diff --git a/common/src/app/common/svg.cljc b/common/src/app/common/svg.cljc
new file mode 100644
index 000000000..e9524182c
--- /dev/null
+++ b/common/src/app/common/svg.cljc
@@ -0,0 +1,16 @@
+;; This Source Code Form is subject to the terms of the Mozilla Public
+;; License, v. 2.0. If a copy of the MPL was not distributed with this
+;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
+;;
+;; Copyright (c) KALEIDOS INC
+
+(ns app.common.svg
+  #?(:cljs
+     (:require
+      ["./svg_optimizer.js" :as svgo])))
+
+#?(:cljs
+   (defn optimize
+     ([input] (optimize input nil))
+     ([input options]
+      (svgo/optimize input (clj->js options)))))
diff --git a/common/src/app/common/svg_optimizer.js b/common/src/app/common/svg_optimizer.js
new file mode 100644
index 000000000..70826b8bd
--- /dev/null
+++ b/common/src/app/common/svg_optimizer.js
@@ -0,0 +1,40525 @@
+(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.penpotSvgo = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
+;(function (sax) { // wrapper for non-node envs
+  sax.parser = function (strict, opt) { return new SAXParser(strict, opt) }
+  sax.SAXParser = SAXParser
+
+  // When we pass the MAX_BUFFER_LENGTH position, start checking for buffer overruns.
+  // When we check, schedule the next check for MAX_BUFFER_LENGTH - (max(buffer lengths)),
+  // since that's the earliest that a buffer overrun could occur.  This way, checks are
+  // as rare as required, but as often as necessary to ensure never crossing this bound.
+  // Furthermore, buffers are only tested at most once per write(), so passing a very
+  // large string into write() might have undesirable effects, but this is manageable by
+  // the caller, so it is assumed to be safe.  Thus, a call to write() may, in the extreme
+  // edge case, result in creating at most one complete copy of the string passed in.
+  // Set to Infinity to have unlimited buffers.
+  sax.MAX_BUFFER_LENGTH = 64 * 1024
+
+  var buffers = [
+    'comment', 'sgmlDecl', 'textNode', 'tagName', 'doctype',
+    'procInstName', 'procInstBody', 'entity', 'attribName',
+    'attribValue', 'cdata', 'script'
+  ]
+
+  sax.EVENTS = [
+    'text',
+    'processinginstruction',
+    'sgmldeclaration',
+    'doctype',
+    'comment',
+    'opentagstart',
+    'attribute',
+    'opentag',
+    'closetag',
+    'opencdata',
+    'cdata',
+    'closecdata',
+    'error',
+    'end',
+    'ready',
+    'script',
+    'opennamespace',
+    'closenamespace'
+  ]
+
+  function SAXParser (strict, opt) {
+    if (!(this instanceof SAXParser)) {
+      return new SAXParser(strict, opt)
+    }
+
+    var parser = this
+    clearBuffers(parser)
+    parser.q = parser.c = ''
+    parser.bufferCheckPosition = sax.MAX_BUFFER_LENGTH
+    parser.opt = opt || {}
+    parser.opt.lowercase = parser.opt.lowercase || parser.opt.lowercasetags
+    parser.looseCase = parser.opt.lowercase ? 'toLowerCase' : 'toUpperCase'
+    parser.tags = []
+    parser.closed = parser.closedRoot = parser.sawRoot = false
+    parser.tag = parser.error = null
+    parser.strict = !!strict
+    parser.noscript = !!(strict || parser.opt.noscript)
+    parser.state = S.BEGIN
+    parser.strictEntities = parser.opt.strictEntities
+    parser.ENTITIES = parser.strictEntities ? Object.create(sax.XML_ENTITIES) : Object.create(sax.ENTITIES)
+    parser.attribList = []
+
+    // namespaces form a prototype chain.
+    // it always points at the current tag,
+    // which protos to its parent tag.
+    if (parser.opt.xmlns) {
+      parser.ns = Object.create(rootNS)
+    }
+
+    // mostly just for error reporting
+    parser.trackPosition = parser.opt.position !== false
+    if (parser.trackPosition) {
+      parser.position = parser.line = parser.column = 0
+    }
+    emit(parser, 'onready')
+  }
+
+  if (!Object.create) {
+    Object.create = function (o) {
+      function F () {}
+      F.prototype = o
+      var newf = new F()
+      return newf
+    }
+  }
+
+  if (!Object.keys) {
+    Object.keys = function (o) {
+      var a = []
+      for (var i in o) if (o.hasOwnProperty(i)) a.push(i)
+      return a
+    }
+  }
+
+  function checkBufferLength (parser) {
+    var maxAllowed = Math.max(sax.MAX_BUFFER_LENGTH, 10)
+    var maxActual = 0
+    for (var i = 0, l = buffers.length; i < l; i++) {
+      var len = parser[buffers[i]].length
+      if (len > maxAllowed) {
+        // Text/cdata nodes can get big, and since they're buffered,
+        // we can get here under normal conditions.
+        // Avoid issues by emitting the text node now,
+        // so at least it won't get any bigger.
+        switch (buffers[i]) {
+          case 'textNode':
+            closeText(parser)
+            break
+
+          case 'cdata':
+            emitNode(parser, 'oncdata', parser.cdata)
+            parser.cdata = ''
+            break
+
+          case 'script':
+            emitNode(parser, 'onscript', parser.script)
+            parser.script = ''
+            break
+
+          default:
+            error(parser, 'Max buffer length exceeded: ' + buffers[i])
+        }
+      }
+      maxActual = Math.max(maxActual, len)
+    }
+    // schedule the next check for the earliest possible buffer overrun.
+    var m = sax.MAX_BUFFER_LENGTH - maxActual
+    parser.bufferCheckPosition = m + parser.position
+  }
+
+  function clearBuffers (parser) {
+    for (var i = 0, l = buffers.length; i < l; i++) {
+      parser[buffers[i]] = ''
+    }
+  }
+
+  function flushBuffers (parser) {
+    closeText(parser)
+    if (parser.cdata !== '') {
+      emitNode(parser, 'oncdata', parser.cdata)
+      parser.cdata = ''
+    }
+    if (parser.script !== '') {
+      emitNode(parser, 'onscript', parser.script)
+      parser.script = ''
+    }
+  }
+
+  SAXParser.prototype = {
+    end: function () { end(this) },
+    write: write,
+    resume: function () { this.error = null; return this },
+    close: function () { return this.write(null) },
+    flush: function () { flushBuffers(this) }
+  }
+
+  // this really needs to be replaced with character classes.
+  // XML allows all manner of ridiculous numbers and digits.
+  var CDATA = '[CDATA['
+  var DOCTYPE = 'DOCTYPE'
+  var XML_NAMESPACE = 'http://www.w3.org/XML/1998/namespace'
+  var XMLNS_NAMESPACE = 'http://www.w3.org/2000/xmlns/'
+  var rootNS = { xml: XML_NAMESPACE, xmlns: XMLNS_NAMESPACE }
+
+  // http://www.w3.org/TR/REC-xml/#NT-NameStartChar
+  // This implementation works on strings, a single character at a time
+  // as such, it cannot ever support astral-plane characters (10000-EFFFF)
+  // without a significant breaking change to either this  parser, or the
+  // JavaScript language.  Implementation of an emoji-capable xml parser
+  // is left as an exercise for the reader.
+  var nameStart = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/
+
+  var nameBody = /[:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/
+
+  var entityStart = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD]/
+  var entityBody = /[#:_A-Za-z\u00C0-\u00D6\u00D8-\u00F6\u00F8-\u02FF\u0370-\u037D\u037F-\u1FFF\u200C-\u200D\u2070-\u218F\u2C00-\u2FEF\u3001-\uD7FF\uF900-\uFDCF\uFDF0-\uFFFD\u00B7\u0300-\u036F\u203F-\u2040.\d-]/
+
+  function isWhitespace (c) {
+    return c === ' ' || c === '\n' || c === '\r' || c === '\t'
+  }
+
+  function isQuote (c) {
+    return c === '"' || c === '\''
+  }
+
+  function isAttribEnd (c) {
+    return c === '>' || isWhitespace(c)
+  }
+
+  function isMatch (regex, c) {
+    return regex.test(c)
+  }
+
+  function notMatch (regex, c) {
+    return !isMatch(regex, c)
+  }
+
+  var S = 0
+  sax.STATE = {
+    BEGIN: S++, // leading byte order mark or whitespace
+    BEGIN_WHITESPACE: S++, // leading whitespace
+    TEXT: S++, // general stuff
+    TEXT_ENTITY: S++, // &amp and such.
+    OPEN_WAKA: S++, // <
+    SGML_DECL: S++, // <!BLARG
+    SGML_DECL_QUOTED: S++, // <!BLARG foo "bar
+    DOCTYPE: S++, // <!DOCTYPE
+    DOCTYPE_QUOTED: S++, // <!DOCTYPE "//blah
+    DOCTYPE_DTD: S++, // <!DOCTYPE "//blah" [ ...
+    DOCTYPE_DTD_QUOTED: S++, // <!DOCTYPE "//blah" [ "foo
+    COMMENT_STARTING: S++, // <!-
+    COMMENT: S++, // <!--
+    COMMENT_ENDING: S++, // <!-- blah -
+    COMMENT_ENDED: S++, // <!-- blah --
+    CDATA: S++, // <![CDATA[ something
+    CDATA_ENDING: S++, // ]
+    CDATA_ENDING_2: S++, // ]]
+    PROC_INST: S++, // <?hi
+    PROC_INST_BODY: S++, // <?hi there
+    PROC_INST_ENDING: S++, // <?hi "there" ?
+    OPEN_TAG: S++, // <strong
+    OPEN_TAG_SLASH: S++, // <strong /
+    ATTRIB: S++, // <a
+    ATTRIB_NAME: S++, // <a foo
+    ATTRIB_NAME_SAW_WHITE: S++, // <a foo _
+    ATTRIB_VALUE: S++, // <a foo=
+    ATTRIB_VALUE_QUOTED: S++, // <a foo="bar
+    ATTRIB_VALUE_CLOSED: S++, // <a foo="bar"
+    ATTRIB_VALUE_UNQUOTED: S++, // <a foo=bar
+    ATTRIB_VALUE_ENTITY_Q: S++, // <foo bar="&quot;"
+    ATTRIB_VALUE_ENTITY_U: S++, // <foo bar=&quot
+    CLOSE_TAG: S++, // </a
+    CLOSE_TAG_SAW_WHITE: S++, // </a   >
+    SCRIPT: S++, // <script> ...
+    SCRIPT_ENDING: S++ // <script> ... <
+  }
+
+  sax.XML_ENTITIES = {
+    'amp': '&',
+    'gt': '>',
+    'lt': '<',
+    'quot': '"',
+    'apos': "'"
+  }
+
+  sax.ENTITIES = {
+    'amp': '&',
+    'gt': '>',
+    'lt': '<',
+    'quot': '"',
+    'apos': "'",
+    'AElig': 198,
+    'Aacute': 193,
+    'Acirc': 194,
+    'Agrave': 192,
+    'Aring': 197,
+    'Atilde': 195,
+    'Auml': 196,
+    'Ccedil': 199,
+    'ETH': 208,
+    'Eacute': 201,
+    'Ecirc': 202,
+    'Egrave': 200,
+    'Euml': 203,
+    'Iacute': 205,
+    'Icirc': 206,
+    'Igrave': 204,
+    'Iuml': 207,
+    'Ntilde': 209,
+    'Oacute': 211,
+    'Ocirc': 212,
+    'Ograve': 210,
+    'Oslash': 216,
+    'Otilde': 213,
+    'Ouml': 214,
+    'THORN': 222,
+    'Uacute': 218,
+    'Ucirc': 219,
+    'Ugrave': 217,
+    'Uuml': 220,
+    'Yacute': 221,
+    'aacute': 225,
+    'acirc': 226,
+    'aelig': 230,
+    'agrave': 224,
+    'aring': 229,
+    'atilde': 227,
+    'auml': 228,
+    'ccedil': 231,
+    'eacute': 233,
+    'ecirc': 234,
+    'egrave': 232,
+    'eth': 240,
+    'euml': 235,
+    'iacute': 237,
+    'icirc': 238,
+    'igrave': 236,
+    'iuml': 239,
+    'ntilde': 241,
+    'oacute': 243,
+    'ocirc': 244,
+    'ograve': 242,
+    'oslash': 248,
+    'otilde': 245,
+    'ouml': 246,
+    'szlig': 223,
+    'thorn': 254,
+    'uacute': 250,
+    'ucirc': 251,
+    'ugrave': 249,
+    'uuml': 252,
+    'yacute': 253,
+    'yuml': 255,
+    'copy': 169,
+    'reg': 174,
+    'nbsp': 160,
+    'iexcl': 161,
+    'cent': 162,
+    'pound': 163,
+    'curren': 164,
+    'yen': 165,
+    'brvbar': 166,
+    'sect': 167,
+    'uml': 168,
+    'ordf': 170,
+    'laquo': 171,
+    'not': 172,
+    'shy': 173,
+    'macr': 175,
+    'deg': 176,
+    'plusmn': 177,
+    'sup1': 185,
+    'sup2': 178,
+    'sup3': 179,
+    'acute': 180,
+    'micro': 181,
+    'para': 182,
+    'middot': 183,
+    'cedil': 184,
+    'ordm': 186,
+    'raquo': 187,
+    'frac14': 188,
+    'frac12': 189,
+    'frac34': 190,
+    'iquest': 191,
+    'times': 215,
+    'divide': 247,
+    'OElig': 338,
+    'oelig': 339,
+    'Scaron': 352,
+    'scaron': 353,
+    'Yuml': 376,
+    'fnof': 402,
+    'circ': 710,
+    'tilde': 732,
+    'Alpha': 913,
+    'Beta': 914,
+    'Gamma': 915,
+    'Delta': 916,
+    'Epsilon': 917,
+    'Zeta': 918,
+    'Eta': 919,
+    'Theta': 920,
+    'Iota': 921,
+    'Kappa': 922,
+    'Lambda': 923,
+    'Mu': 924,
+    'Nu': 925,
+    'Xi': 926,
+    'Omicron': 927,
+    'Pi': 928,
+    'Rho': 929,
+    'Sigma': 931,
+    'Tau': 932,
+    'Upsilon': 933,
+    'Phi': 934,
+    'Chi': 935,
+    'Psi': 936,
+    'Omega': 937,
+    'alpha': 945,
+    'beta': 946,
+    'gamma': 947,
+    'delta': 948,
+    'epsilon': 949,
+    'zeta': 950,
+    'eta': 951,
+    'theta': 952,
+    'iota': 953,
+    'kappa': 954,
+    'lambda': 955,
+    'mu': 956,
+    'nu': 957,
+    'xi': 958,
+    'omicron': 959,
+    'pi': 960,
+    'rho': 961,
+    'sigmaf': 962,
+    'sigma': 963,
+    'tau': 964,
+    'upsilon': 965,
+    'phi': 966,
+    'chi': 967,
+    'psi': 968,
+    'omega': 969,
+    'thetasym': 977,
+    'upsih': 978,
+    'piv': 982,
+    'ensp': 8194,
+    'emsp': 8195,
+    'thinsp': 8201,
+    'zwnj': 8204,
+    'zwj': 8205,
+    'lrm': 8206,
+    'rlm': 8207,
+    'ndash': 8211,
+    'mdash': 8212,
+    'lsquo': 8216,
+    'rsquo': 8217,
+    'sbquo': 8218,
+    'ldquo': 8220,
+    'rdquo': 8221,
+    'bdquo': 8222,
+    'dagger': 8224,
+    'Dagger': 8225,
+    'bull': 8226,
+    'hellip': 8230,
+    'permil': 8240,
+    'prime': 8242,
+    'Prime': 8243,
+    'lsaquo': 8249,
+    'rsaquo': 8250,
+    'oline': 8254,
+    'frasl': 8260,
+    'euro': 8364,
+    'image': 8465,
+    'weierp': 8472,
+    'real': 8476,
+    'trade': 8482,
+    'alefsym': 8501,
+    'larr': 8592,
+    'uarr': 8593,
+    'rarr': 8594,
+    'darr': 8595,
+    'harr': 8596,
+    'crarr': 8629,
+    'lArr': 8656,
+    'uArr': 8657,
+    'rArr': 8658,
+    'dArr': 8659,
+    'hArr': 8660,
+    'forall': 8704,
+    'part': 8706,
+    'exist': 8707,
+    'empty': 8709,
+    'nabla': 8711,
+    'isin': 8712,
+    'notin': 8713,
+    'ni': 8715,
+    'prod': 8719,
+    'sum': 8721,
+    'minus': 8722,
+    'lowast': 8727,
+    'radic': 8730,
+    'prop': 8733,
+    'infin': 8734,
+    'ang': 8736,
+    'and': 8743,
+    'or': 8744,
+    'cap': 8745,
+    'cup': 8746,
+    'int': 8747,
+    'there4': 8756,
+    'sim': 8764,
+    'cong': 8773,
+    'asymp': 8776,
+    'ne': 8800,
+    'equiv': 8801,
+    'le': 8804,
+    'ge': 8805,
+    'sub': 8834,
+    'sup': 8835,
+    'nsub': 8836,
+    'sube': 8838,
+    'supe': 8839,
+    'oplus': 8853,
+    'otimes': 8855,
+    'perp': 8869,
+    'sdot': 8901,
+    'lceil': 8968,
+    'rceil': 8969,
+    'lfloor': 8970,
+    'rfloor': 8971,
+    'lang': 9001,
+    'rang': 9002,
+    'loz': 9674,
+    'spades': 9824,
+    'clubs': 9827,
+    'hearts': 9829,
+    'diams': 9830
+  }
+
+  Object.keys(sax.ENTITIES).forEach(function (key) {
+    var e = sax.ENTITIES[key]
+    var s = typeof e === 'number' ? String.fromCharCode(e) : e
+    sax.ENTITIES[key] = s
+  })
+
+  for (var s in sax.STATE) {
+    sax.STATE[sax.STATE[s]] = s
+  }
+
+  // shorthand
+  S = sax.STATE
+
+  function emit (parser, event, data) {
+    parser[event] && parser[event](data)
+  }
+
+  function emitNode (parser, nodeType, data) {
+    if (parser.textNode) closeText(parser)
+    emit(parser, nodeType, data)
+  }
+
+  function closeText (parser) {
+    parser.textNode = textopts(parser.opt, parser.textNode)
+    if (parser.textNode) emit(parser, 'ontext', parser.textNode)
+    parser.textNode = ''
+  }
+
+  function textopts (opt, text) {
+    if (opt.trim) text = text.trim()
+    if (opt.normalize) text = text.replace(/\s+/g, ' ')
+    return text
+  }
+
+  function error (parser, reason) {
+    closeText(parser)
+    const message = reason +
+      '\nLine: ' + parser.line +
+      '\nColumn: ' + parser.column +
+      '\nChar: ' + parser.c
+    const error = new Error(message)
+    error.reason = reason
+    error.line = parser.line
+    error.column = parser.column
+    parser.error = error
+    emit(parser, 'onerror', error)
+    return parser
+  }
+
+  function end (parser) {
+    if (parser.sawRoot && !parser.closedRoot) strictFail(parser, 'Unclosed root tag')
+    if ((parser.state !== S.BEGIN) &&
+      (parser.state !== S.BEGIN_WHITESPACE) &&
+      (parser.state !== S.TEXT)) {
+      error(parser, 'Unexpected end')
+    }
+    closeText(parser)
+    parser.c = ''
+    parser.closed = true
+    emit(parser, 'onend')
+    SAXParser.call(parser, parser.strict, parser.opt)
+    return parser
+  }
+
+  function strictFail (parser, message) {
+    if (typeof parser !== 'object' || !(parser instanceof SAXParser)) {
+      throw new Error('bad call to strictFail')
+    }
+    if (parser.strict) {
+      error(parser, message)
+    }
+  }
+
+  function newTag (parser) {
+    if (!parser.strict) parser.tagName = parser.tagName[parser.looseCase]()
+    var parent = parser.tags[parser.tags.length - 1] || parser
+    var tag = parser.tag = { name: parser.tagName, attributes: {} }
+
+    // will be overridden if tag contails an xmlns="foo" or xmlns:foo="bar"
+    if (parser.opt.xmlns) {
+      tag.ns = parent.ns
+    }
+    parser.attribList.length = 0
+    emitNode(parser, 'onopentagstart', tag)
+  }
+
+  function qname (name, attribute) {
+    var i = name.indexOf(':')
+    var qualName = i < 0 ? [ '', name ] : name.split(':')
+    var prefix = qualName[0]
+    var local = qualName[1]
+
+    // <x "xmlns"="http://foo">
+    if (attribute && name === 'xmlns') {
+      prefix = 'xmlns'
+      local = ''
+    }
+
+    return { prefix: prefix, local: local }
+  }
+
+  function attrib (parser) {
+    if (!parser.strict) {
+      parser.attribName = parser.attribName[parser.looseCase]()
+    }
+
+    if (parser.attribList.indexOf(parser.attribName) !== -1 ||
+      parser.tag.attributes.hasOwnProperty(parser.attribName)) {
+      parser.attribName = parser.attribValue = ''
+      return
+    }
+
+    if (parser.opt.xmlns) {
+      var qn = qname(parser.attribName, true)
+      var prefix = qn.prefix
+      var local = qn.local
+
+      if (prefix === 'xmlns') {
+        // namespace binding attribute. push the binding into scope
+        if (local === 'xml' && parser.attribValue !== XML_NAMESPACE) {
+          strictFail(parser,
+            'xml: prefix must be bound to ' + XML_NAMESPACE + '\n' +
+            'Actual: ' + parser.attribValue)
+        } else if (local === 'xmlns' && parser.attribValue !== XMLNS_NAMESPACE) {
+          strictFail(parser,
+            'xmlns: prefix must be bound to ' + XMLNS_NAMESPACE + '\n' +
+            'Actual: ' + parser.attribValue)
+        } else {
+          var tag = parser.tag
+          var parent = parser.tags[parser.tags.length - 1] || parser
+          if (tag.ns === parent.ns) {
+            tag.ns = Object.create(parent.ns)
+          }
+          tag.ns[local] = parser.attribValue
+        }
+      }
+
+      // defer onattribute events until all attributes have been seen
+      // so any new bindings can take effect. preserve attribute order
+      // so deferred events can be emitted in document order
+      parser.attribList.push([parser.attribName, parser.attribValue])
+    } else {
+      // in non-xmlns mode, we can emit the event right away
+      parser.tag.attributes[parser.attribName] = parser.attribValue
+      emitNode(parser, 'onattribute', {
+        name: parser.attribName,
+        value: parser.attribValue
+      })
+    }
+
+    parser.attribName = parser.attribValue = ''
+  }
+
+  function openTag (parser, selfClosing) {
+    if (parser.opt.xmlns) {
+      // emit namespace binding events
+      var tag = parser.tag
+
+      // add namespace info to tag
+      var qn = qname(parser.tagName)
+      tag.prefix = qn.prefix
+      tag.local = qn.local
+      tag.uri = tag.ns[qn.prefix] || ''
+
+      if (tag.prefix && !tag.uri) {
+        strictFail(parser, 'Unbound namespace prefix: ' +
+          JSON.stringify(parser.tagName))
+        tag.uri = qn.prefix
+      }
+
+      var parent = parser.tags[parser.tags.length - 1] || parser
+      if (tag.ns && parent.ns !== tag.ns) {
+        Object.keys(tag.ns).forEach(function (p) {
+          emitNode(parser, 'onopennamespace', {
+            prefix: p,
+            uri: tag.ns[p]
+          })
+        })
+      }
+
+      // handle deferred onattribute events
+      // Note: do not apply default ns to attributes:
+      //   http://www.w3.org/TR/REC-xml-names/#defaulting
+      for (var i = 0, l = parser.attribList.length; i < l; i++) {
+        var nv = parser.attribList[i]
+        var name = nv[0]
+        var value = nv[1]
+        var qualName = qname(name, true)
+        var prefix = qualName.prefix
+        var local = qualName.local
+        var uri = prefix === '' ? '' : (tag.ns[prefix] || '')
+        var a = {
+          name: name,
+          value: value,
+          prefix: prefix,
+          local: local,
+          uri: uri
+        }
+
+        // if there's any attributes with an undefined namespace,
+        // then fail on them now.
+        if (prefix && prefix !== 'xmlns' && !uri) {
+          strictFail(parser, 'Unbound namespace prefix: ' +
+            JSON.stringify(prefix))
+          a.uri = prefix
+        }
+        parser.tag.attributes[name] = a
+        emitNode(parser, 'onattribute', a)
+      }
+      parser.attribList.length = 0
+    }
+
+    parser.tag.isSelfClosing = !!selfClosing
+
+    // process the tag
+    parser.sawRoot = true
+    parser.tags.push(parser.tag)
+    emitNode(parser, 'onopentag', parser.tag)
+    if (!selfClosing) {
+      // special case for <script> in non-strict mode.
+      if (!parser.noscript && parser.tagName.toLowerCase() === 'script') {
+        parser.state = S.SCRIPT
+      } else {
+        parser.state = S.TEXT
+      }
+      parser.tag = null
+      parser.tagName = ''
+    }
+    parser.attribName = parser.attribValue = ''
+    parser.attribList.length = 0
+  }
+
+  function closeTag (parser) {
+    if (!parser.tagName) {
+      strictFail(parser, 'Weird empty close tag.')
+      parser.textNode += '</>'
+      parser.state = S.TEXT
+      return
+    }
+
+    if (parser.script) {
+      if (parser.tagName !== 'script') {
+        parser.script += '</' + parser.tagName + '>'
+        parser.tagName = ''
+        parser.state = S.SCRIPT
+        return
+      }
+      emitNode(parser, 'onscript', parser.script)
+      parser.script = ''
+    }
+
+    // first make sure that the closing tag actually exists.
+    // <a><b></c></b></a> will close everything, otherwise.
+    var t = parser.tags.length
+    var tagName = parser.tagName
+    if (!parser.strict) {
+      tagName = tagName[parser.looseCase]()
+    }
+    var closeTo = tagName
+    while (t--) {
+      var close = parser.tags[t]
+      if (close.name !== closeTo) {
+        // fail the first time in strict mode
+        strictFail(parser, 'Unexpected close tag')
+      } else {
+        break
+      }
+    }
+
+    // didn't find it.  we already failed for strict, so just abort.
+    if (t < 0) {
+      strictFail(parser, 'Unmatched closing tag: ' + parser.tagName)
+      parser.textNode += '</' + parser.tagName + '>'
+      parser.state = S.TEXT
+      return
+    }
+    parser.tagName = tagName
+    var s = parser.tags.length
+    while (s-- > t) {
+      var tag = parser.tag = parser.tags.pop()
+      parser.tagName = parser.tag.name
+      emitNode(parser, 'onclosetag', parser.tagName)
+
+      var x = {}
+      for (var i in tag.ns) {
+        x[i] = tag.ns[i]
+      }
+
+      var parent = parser.tags[parser.tags.length - 1] || parser
+      if (parser.opt.xmlns && tag.ns !== parent.ns) {
+        // remove namespace bindings introduced by tag
+        Object.keys(tag.ns).forEach(function (p) {
+          var n = tag.ns[p]
+          emitNode(parser, 'onclosenamespace', { prefix: p, uri: n })
+        })
+      }
+    }
+    if (t === 0) parser.closedRoot = true
+    parser.tagName = parser.attribValue = parser.attribName = ''
+    parser.attribList.length = 0
+    parser.state = S.TEXT
+  }
+
+  function parseEntity (parser) {
+    var entity = parser.entity
+    var entityLC = entity.toLowerCase()
+    var num
+    var numStr = ''
+
+    if (parser.ENTITIES[entity]) {
+      return parser.ENTITIES[entity]
+    }
+    if (parser.ENTITIES[entityLC]) {
+      return parser.ENTITIES[entityLC]
+    }
+    entity = entityLC
+    if (entity.charAt(0) === '#') {
+      if (entity.charAt(1) === 'x') {
+        entity = entity.slice(2)
+        num = parseInt(entity, 16)
+        numStr = num.toString(16)
+      } else {
+        entity = entity.slice(1)
+        num = parseInt(entity, 10)
+        numStr = num.toString(10)
+      }
+    }
+    entity = entity.replace(/^0+/, '')
+    if (isNaN(num) || numStr.toLowerCase() !== entity) {
+      strictFail(parser, 'Invalid character entity')
+      return '&' + parser.entity + ';'
+    }
+
+    return String.fromCodePoint(num)
+  }
+
+  function beginWhiteSpace (parser, c) {
+    if (c === '<') {
+      parser.state = S.OPEN_WAKA
+      parser.startTagPosition = parser.position
+    } else if (!isWhitespace(c)) {
+      // have to process this as a text node.
+      // weird, but happens.
+      strictFail(parser, 'Non-whitespace before first tag.')
+      parser.textNode = c
+      parser.state = S.TEXT
+    }
+  }
+
+  function charAt (chunk, i) {
+    var result = ''
+    if (i < chunk.length) {
+      result = chunk.charAt(i)
+    }
+    return result
+  }
+
+  function write (chunk) {
+    var parser = this
+    if (this.error) {
+      throw this.error
+    }
+    if (parser.closed) {
+      return error(parser,
+        'Cannot write after close. Assign an onready handler.')
+    }
+    if (chunk === null) {
+      return end(parser)
+    }
+    if (typeof chunk === 'object') {
+      chunk = chunk.toString()
+    }
+    var i = 0
+    var c = ''
+    while (true) {
+      c = charAt(chunk, i++)
+      parser.c = c
+
+      if (!c) {
+        break
+      }
+
+      if (parser.trackPosition) {
+        parser.position++
+        if (c === '\n') {
+          parser.line++
+          parser.column = 0
+        } else {
+          parser.column++
+        }
+      }
+
+      switch (parser.state) {
+        case S.BEGIN:
+          parser.state = S.BEGIN_WHITESPACE
+          if (c === '\uFEFF') {
+            continue
+          }
+          beginWhiteSpace(parser, c)
+          continue
+
+        case S.BEGIN_WHITESPACE:
+          beginWhiteSpace(parser, c)
+          continue
+
+        case S.TEXT:
+          if (parser.sawRoot && !parser.closedRoot) {
+            var starti = i - 1
+            while (c && c !== '<' && c !== '&') {
+              c = charAt(chunk, i++)
+              if (c && parser.trackPosition) {
+                parser.position++
+                if (c === '\n') {
+                  parser.line++
+                  parser.column = 0
+                } else {
+                  parser.column++
+                }
+              }
+            }
+            parser.textNode += chunk.substring(starti, i - 1)
+          }
+          if (c === '<' && !(parser.sawRoot && parser.closedRoot && !parser.strict)) {
+            parser.state = S.OPEN_WAKA
+            parser.startTagPosition = parser.position
+          } else {
+            if (!isWhitespace(c) && (!parser.sawRoot || parser.closedRoot)) {
+              strictFail(parser, 'Text data outside of root node.')
+            }
+            if (c === '&') {
+              parser.state = S.TEXT_ENTITY
+            } else {
+              parser.textNode += c
+            }
+          }
+          continue
+
+        case S.SCRIPT:
+          // only non-strict
+          if (c === '<') {
+            parser.state = S.SCRIPT_ENDING
+          } else {
+            parser.script += c
+          }
+          continue
+
+        case S.SCRIPT_ENDING:
+          if (c === '/') {
+            parser.state = S.CLOSE_TAG
+          } else {
+            parser.script += '<' + c
+            parser.state = S.SCRIPT
+          }
+          continue
+
+        case S.OPEN_WAKA:
+          // either a /, ?, !, or text is coming next.
+          if (c === '!') {
+            parser.state = S.SGML_DECL
+            parser.sgmlDecl = ''
+          } else if (isWhitespace(c)) {
+            // wait for it...
+          } else if (isMatch(nameStart, c)) {
+            parser.state = S.OPEN_TAG
+            parser.tagName = c
+          } else if (c === '/') {
+            parser.state = S.CLOSE_TAG
+            parser.tagName = ''
+          } else if (c === '?') {
+            parser.state = S.PROC_INST
+            parser.procInstName = parser.procInstBody = ''
+          } else {
+            strictFail(parser, 'Unencoded <')
+            // if there was some whitespace, then add that in.
+            if (parser.startTagPosition + 1 < parser.position) {
+              var pad = parser.position - parser.startTagPosition
+              c = new Array(pad).join(' ') + c
+            }
+            parser.textNode += '<' + c
+            parser.state = S.TEXT
+          }
+          continue
+
+        case S.SGML_DECL:
+          if ((parser.sgmlDecl + c).toUpperCase() === CDATA) {
+            emitNode(parser, 'onopencdata')
+            parser.state = S.CDATA
+            parser.sgmlDecl = ''
+            parser.cdata = ''
+          } else if (parser.sgmlDecl + c === '--') {
+            parser.state = S.COMMENT
+            parser.comment = ''
+            parser.sgmlDecl = ''
+          } else if ((parser.sgmlDecl + c).toUpperCase() === DOCTYPE) {
+            parser.state = S.DOCTYPE
+            if (parser.doctype || parser.sawRoot) {
+              strictFail(parser,
+                'Inappropriately located doctype declaration')
+            }
+            parser.doctype = ''
+            parser.sgmlDecl = ''
+          } else if (c === '>') {
+            emitNode(parser, 'onsgmldeclaration', parser.sgmlDecl)
+            parser.sgmlDecl = ''
+            parser.state = S.TEXT
+          } else if (isQuote(c)) {
+            parser.state = S.SGML_DECL_QUOTED
+            parser.sgmlDecl += c
+          } else {
+            parser.sgmlDecl += c
+          }
+          continue
+
+        case S.SGML_DECL_QUOTED:
+          if (c === parser.q) {
+            parser.state = S.SGML_DECL
+            parser.q = ''
+          }
+          parser.sgmlDecl += c
+          continue
+
+        case S.DOCTYPE:
+          if (c === '>') {
+            parser.state = S.TEXT
+            emitNode(parser, 'ondoctype', parser.doctype)
+            parser.doctype = true // just remember that we saw it.
+          } else {
+            parser.doctype += c
+            if (c === '[') {
+              parser.state = S.DOCTYPE_DTD
+            } else if (isQuote(c)) {
+              parser.state = S.DOCTYPE_QUOTED
+              parser.q = c
+            }
+          }
+          continue
+
+        case S.DOCTYPE_QUOTED:
+          parser.doctype += c
+          if (c === parser.q) {
+            parser.q = ''
+            parser.state = S.DOCTYPE
+          }
+          continue
+
+        case S.DOCTYPE_DTD:
+          parser.doctype += c
+          if (c === ']') {
+            parser.state = S.DOCTYPE
+          } else if (isQuote(c)) {
+            parser.state = S.DOCTYPE_DTD_QUOTED
+            parser.q = c
+          }
+          continue
+
+        case S.DOCTYPE_DTD_QUOTED:
+          parser.doctype += c
+          if (c === parser.q) {
+            parser.state = S.DOCTYPE_DTD
+            parser.q = ''
+          }
+          continue
+
+        case S.COMMENT:
+          if (c === '-') {
+            parser.state = S.COMMENT_ENDING
+          } else {
+            parser.comment += c
+          }
+          continue
+
+        case S.COMMENT_ENDING:
+          if (c === '-') {
+            parser.state = S.COMMENT_ENDED
+            parser.comment = textopts(parser.opt, parser.comment)
+            if (parser.comment) {
+              emitNode(parser, 'oncomment', parser.comment)
+            }
+            parser.comment = ''
+          } else {
+            parser.comment += '-' + c
+            parser.state = S.COMMENT
+          }
+          continue
+
+        case S.COMMENT_ENDED:
+          if (c !== '>') {
+            strictFail(parser, 'Malformed comment')
+            // allow <!-- blah -- bloo --> in non-strict mode,
+            // which is a comment of " blah -- bloo "
+            parser.comment += '--' + c
+            parser.state = S.COMMENT
+          } else {
+            parser.state = S.TEXT
+          }
+          continue
+
+        case S.CDATA:
+          if (c === ']') {
+            parser.state = S.CDATA_ENDING
+          } else {
+            parser.cdata += c
+          }
+          continue
+
+        case S.CDATA_ENDING:
+          if (c === ']') {
+            parser.state = S.CDATA_ENDING_2
+          } else {
+            parser.cdata += ']' + c
+            parser.state = S.CDATA
+          }
+          continue
+
+        case S.CDATA_ENDING_2:
+          if (c === '>') {
+            if (parser.cdata) {
+              emitNode(parser, 'oncdata', parser.cdata)
+            }
+            emitNode(parser, 'onclosecdata')
+            parser.cdata = ''
+            parser.state = S.TEXT
+          } else if (c === ']') {
+            parser.cdata += ']'
+          } else {
+            parser.cdata += ']]' + c
+            parser.state = S.CDATA
+          }
+          continue
+
+        case S.PROC_INST:
+          if (c === '?') {
+            parser.state = S.PROC_INST_ENDING
+          } else if (isWhitespace(c)) {
+            parser.state = S.PROC_INST_BODY
+          } else {
+            parser.procInstName += c
+          }
+          continue
+
+        case S.PROC_INST_BODY:
+          if (!parser.procInstBody && isWhitespace(c)) {
+            continue
+          } else if (c === '?') {
+            parser.state = S.PROC_INST_ENDING
+          } else {
+            parser.procInstBody += c
+          }
+          continue
+
+        case S.PROC_INST_ENDING:
+          if (c === '>') {
+            emitNode(parser, 'onprocessinginstruction', {
+              name: parser.procInstName,
+              body: parser.procInstBody
+            })
+            parser.procInstName = parser.procInstBody = ''
+            parser.state = S.TEXT
+          } else {
+            parser.procInstBody += '?' + c
+            parser.state = S.PROC_INST_BODY
+          }
+          continue
+
+        case S.OPEN_TAG:
+          if (isMatch(nameBody, c)) {
+            parser.tagName += c
+          } else {
+            newTag(parser)
+            if (c === '>') {
+              openTag(parser)
+            } else if (c === '/') {
+              parser.state = S.OPEN_TAG_SLASH
+            } else {
+              if (!isWhitespace(c)) {
+                strictFail(parser, 'Invalid character in tag name')
+              }
+              parser.state = S.ATTRIB
+            }
+          }
+          continue
+
+        case S.OPEN_TAG_SLASH:
+          if (c === '>') {
+            openTag(parser, true)
+            closeTag(parser)
+          } else {
+            strictFail(parser, 'Forward-slash in opening tag not followed by >')
+            parser.state = S.ATTRIB
+          }
+          continue
+
+        case S.ATTRIB:
+          // haven't read the attribute name yet.
+          if (isWhitespace(c)) {
+            continue
+          } else if (c === '>') {
+            openTag(parser)
+          } else if (c === '/') {
+            parser.state = S.OPEN_TAG_SLASH
+          } else if (isMatch(nameStart, c)) {
+            parser.attribName = c
+            parser.attribValue = ''
+            parser.state = S.ATTRIB_NAME
+          } else {
+            strictFail(parser, 'Invalid attribute name')
+          }
+          continue
+
+        case S.ATTRIB_NAME:
+          if (c === '=') {
+            parser.state = S.ATTRIB_VALUE
+          } else if (c === '>') {
+            strictFail(parser, 'Attribute without value')
+            parser.attribValue = parser.attribName
+            attrib(parser)
+            openTag(parser)
+          } else if (isWhitespace(c)) {
+            parser.state = S.ATTRIB_NAME_SAW_WHITE
+          } else if (isMatch(nameBody, c)) {
+            parser.attribName += c
+          } else {
+            strictFail(parser, 'Invalid attribute name')
+          }
+          continue
+
+        case S.ATTRIB_NAME_SAW_WHITE:
+          if (c === '=') {
+            parser.state = S.ATTRIB_VALUE
+          } else if (isWhitespace(c)) {
+            continue
+          } else {
+            strictFail(parser, 'Attribute without value')
+            parser.tag.attributes[parser.attribName] = ''
+            parser.attribValue = ''
+            emitNode(parser, 'onattribute', {
+              name: parser.attribName,
+              value: ''
+            })
+            parser.attribName = ''
+            if (c === '>') {
+              openTag(parser)
+            } else if (isMatch(nameStart, c)) {
+              parser.attribName = c
+              parser.state = S.ATTRIB_NAME
+            } else {
+              strictFail(parser, 'Invalid attribute name')
+              parser.state = S.ATTRIB
+            }
+          }
+          continue
+
+        case S.ATTRIB_VALUE:
+          if (isWhitespace(c)) {
+            continue
+          } else if (isQuote(c)) {
+            parser.q = c
+            parser.state = S.ATTRIB_VALUE_QUOTED
+          } else {
+            strictFail(parser, 'Unquoted attribute value')
+            parser.state = S.ATTRIB_VALUE_UNQUOTED
+            parser.attribValue = c
+          }
+          continue
+
+        case S.ATTRIB_VALUE_QUOTED:
+          if (c !== parser.q) {
+            if (c === '&') {
+              parser.state = S.ATTRIB_VALUE_ENTITY_Q
+            } else {
+              parser.attribValue += c
+            }
+            continue
+          }
+          attrib(parser)
+          parser.q = ''
+          parser.state = S.ATTRIB_VALUE_CLOSED
+          continue
+
+        case S.ATTRIB_VALUE_CLOSED:
+          if (isWhitespace(c)) {
+            parser.state = S.ATTRIB
+          } else if (c === '>') {
+            openTag(parser)
+          } else if (c === '/') {
+            parser.state = S.OPEN_TAG_SLASH
+          } else if (isMatch(nameStart, c)) {
+            strictFail(parser, 'No whitespace between attributes')
+            parser.attribName = c
+            parser.attribValue = ''
+            parser.state = S.ATTRIB_NAME
+          } else {
+            strictFail(parser, 'Invalid attribute name')
+          }
+          continue
+
+        case S.ATTRIB_VALUE_UNQUOTED:
+          if (!isAttribEnd(c)) {
+            if (c === '&') {
+              parser.state = S.ATTRIB_VALUE_ENTITY_U
+            } else {
+              parser.attribValue += c
+            }
+            continue
+          }
+          attrib(parser)
+          if (c === '>') {
+            openTag(parser)
+          } else {
+            parser.state = S.ATTRIB
+          }
+          continue
+
+        case S.CLOSE_TAG:
+          if (!parser.tagName) {
+            if (isWhitespace(c)) {
+              continue
+            } else if (notMatch(nameStart, c)) {
+              if (parser.script) {
+                parser.script += '</' + c
+                parser.state = S.SCRIPT
+              } else {
+                strictFail(parser, 'Invalid tagname in closing tag.')
+              }
+            } else {
+              parser.tagName = c
+            }
+          } else if (c === '>') {
+            closeTag(parser)
+          } else if (isMatch(nameBody, c)) {
+            parser.tagName += c
+          } else if (parser.script) {
+            parser.script += '</' + parser.tagName
+            parser.tagName = ''
+            parser.state = S.SCRIPT
+          } else {
+            if (!isWhitespace(c)) {
+              strictFail(parser, 'Invalid tagname in closing tag')
+            }
+            parser.state = S.CLOSE_TAG_SAW_WHITE
+          }
+          continue
+
+        case S.CLOSE_TAG_SAW_WHITE:
+          if (isWhitespace(c)) {
+            continue
+          }
+          if (c === '>') {
+            closeTag(parser)
+          } else {
+            strictFail(parser, 'Invalid characters in closing tag')
+          }
+          continue
+
+        case S.TEXT_ENTITY:
+        case S.ATTRIB_VALUE_ENTITY_Q:
+        case S.ATTRIB_VALUE_ENTITY_U:
+          var returnState
+          var buffer
+          switch (parser.state) {
+            case S.TEXT_ENTITY:
+              returnState = S.TEXT
+              buffer = 'textNode'
+              break
+
+            case S.ATTRIB_VALUE_ENTITY_Q:
+              returnState = S.ATTRIB_VALUE_QUOTED
+              buffer = 'attribValue'
+              break
+
+            case S.ATTRIB_VALUE_ENTITY_U:
+              returnState = S.ATTRIB_VALUE_UNQUOTED
+              buffer = 'attribValue'
+              break
+          }
+
+          if (c === ';') {
+            var parsedEntity = parseEntity(parser)
+
+            // Custom entities can contain tags, so we potentially need to parse the result
+            if (parser.state === S.TEXT_ENTITY && !sax.ENTITIES[parser.entity] && parsedEntity !== '&' + parser.entity + ';') {
+              chunk = chunk.slice(0, i) + parsedEntity + chunk.slice(i)
+            } else {
+              parser[buffer] += parsedEntity
+            }
+
+            parser.entity = ''
+            parser.state = returnState
+          } else if (isMatch(parser.entity.length ? entityBody : entityStart, c)) {
+            parser.entity += c
+          } else {
+            strictFail(parser, 'Invalid character in entity name')
+            parser[buffer] += '&' + parser.entity + c
+            parser.entity = ''
+            parser.state = returnState
+          }
+
+          continue
+
+        default:
+          throw new Error(parser, 'Unknown state: ' + parser.state)
+      }
+    } // while
+
+    if (parser.position >= parser.bufferCheckPosition) {
+      checkBufferLength(parser)
+    }
+    return parser
+  }
+})(typeof exports === 'undefined' ? this.sax = {} : exports)
+
+},{}],2:[function(require,module,exports){
+'use strict'
+
+exports.byteLength = byteLength
+exports.toByteArray = toByteArray
+exports.fromByteArray = fromByteArray
+
+var lookup = []
+var revLookup = []
+var Arr = typeof Uint8Array !== 'undefined' ? Uint8Array : Array
+
+var code = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
+for (var i = 0, len = code.length; i < len; ++i) {
+  lookup[i] = code[i]
+  revLookup[code.charCodeAt(i)] = i
+}
+
+// Support decoding URL-safe base64 strings, as Node.js does.
+// See: https://en.wikipedia.org/wiki/Base64#URL_applications
+revLookup['-'.charCodeAt(0)] = 62
+revLookup['_'.charCodeAt(0)] = 63
+
+function getLens (b64) {
+  var len = b64.length
+
+  if (len % 4 > 0) {
+    throw new Error('Invalid string. Length must be a multiple of 4')
+  }
+
+  // Trim off extra bytes after placeholder bytes are found
+  // See: https://github.com/beatgammit/base64-js/issues/42
+  var validLen = b64.indexOf('=')
+  if (validLen === -1) validLen = len
+
+  var placeHoldersLen = validLen === len
+    ? 0
+    : 4 - (validLen % 4)
+
+  return [validLen, placeHoldersLen]
+}
+
+// base64 is 4/3 + up to two characters of the original data
+function byteLength (b64) {
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function _byteLength (b64, validLen, placeHoldersLen) {
+  return ((validLen + placeHoldersLen) * 3 / 4) - placeHoldersLen
+}
+
+function toByteArray (b64) {
+  var tmp
+  var lens = getLens(b64)
+  var validLen = lens[0]
+  var placeHoldersLen = lens[1]
+
+  var arr = new Arr(_byteLength(b64, validLen, placeHoldersLen))
+
+  var curByte = 0
+
+  // if there are placeholders, only get up to the last complete 4 chars
+  var len = placeHoldersLen > 0
+    ? validLen - 4
+    : validLen
+
+  var i
+  for (i = 0; i < len; i += 4) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 18) |
+      (revLookup[b64.charCodeAt(i + 1)] << 12) |
+      (revLookup[b64.charCodeAt(i + 2)] << 6) |
+      revLookup[b64.charCodeAt(i + 3)]
+    arr[curByte++] = (tmp >> 16) & 0xFF
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 2) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 2) |
+      (revLookup[b64.charCodeAt(i + 1)] >> 4)
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  if (placeHoldersLen === 1) {
+    tmp =
+      (revLookup[b64.charCodeAt(i)] << 10) |
+      (revLookup[b64.charCodeAt(i + 1)] << 4) |
+      (revLookup[b64.charCodeAt(i + 2)] >> 2)
+    arr[curByte++] = (tmp >> 8) & 0xFF
+    arr[curByte++] = tmp & 0xFF
+  }
+
+  return arr
+}
+
+function tripletToBase64 (num) {
+  return lookup[num >> 18 & 0x3F] +
+    lookup[num >> 12 & 0x3F] +
+    lookup[num >> 6 & 0x3F] +
+    lookup[num & 0x3F]
+}
+
+function encodeChunk (uint8, start, end) {
+  var tmp
+  var output = []
+  for (var i = start; i < end; i += 3) {
+    tmp =
+      ((uint8[i] << 16) & 0xFF0000) +
+      ((uint8[i + 1] << 8) & 0xFF00) +
+      (uint8[i + 2] & 0xFF)
+    output.push(tripletToBase64(tmp))
+  }
+  return output.join('')
+}
+
+function fromByteArray (uint8) {
+  var tmp
+  var len = uint8.length
+  var extraBytes = len % 3 // if we have 1 byte left, pad 2 bytes
+  var parts = []
+  var maxChunkLength = 16383 // must be multiple of 3
+
+  // go through the array every three bytes, we'll deal with trailing stuff later
+  for (var i = 0, len2 = len - extraBytes; i < len2; i += maxChunkLength) {
+    parts.push(encodeChunk(uint8, i, (i + maxChunkLength) > len2 ? len2 : (i + maxChunkLength)))
+  }
+
+  // pad the end with zeros, but make sure to not forget the extra bytes
+  if (extraBytes === 1) {
+    tmp = uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 2] +
+      lookup[(tmp << 4) & 0x3F] +
+      '=='
+    )
+  } else if (extraBytes === 2) {
+    tmp = (uint8[len - 2] << 8) + uint8[len - 1]
+    parts.push(
+      lookup[tmp >> 10] +
+      lookup[(tmp >> 4) & 0x3F] +
+      lookup[(tmp << 2) & 0x3F] +
+      '='
+    )
+  }
+
+  return parts.join('')
+}
+
+},{}],3:[function(require,module,exports){
+module.exports = {
+	trueFunc: function trueFunc(){
+		return true;
+	},
+	falseFunc: function falseFunc(){
+		return false;
+	}
+};
+},{}],4:[function(require,module,exports){
+(function (Buffer){(function (){
+/*!
+ * The buffer module from node.js, for the browser.
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+/* eslint-disable no-proto */
+
+'use strict'
+
+var base64 = require('base64-js')
+var ieee754 = require('ieee754')
+
+exports.Buffer = Buffer
+exports.SlowBuffer = SlowBuffer
+exports.INSPECT_MAX_BYTES = 50
+
+var K_MAX_LENGTH = 0x7fffffff
+exports.kMaxLength = K_MAX_LENGTH
+
+/**
+ * If `Buffer.TYPED_ARRAY_SUPPORT`:
+ *   === true    Use Uint8Array implementation (fastest)
+ *   === false   Print warning and recommend using `buffer` v4.x which has an Object
+ *               implementation (most compatible, even IE6)
+ *
+ * Browsers that support typed arrays are IE 10+, Firefox 4+, Chrome 7+, Safari 5.1+,
+ * Opera 11.6+, iOS 4.2+.
+ *
+ * We report that the browser does not support typed arrays if the are not subclassable
+ * using __proto__. Firefox 4-29 lacks support for adding new properties to `Uint8Array`
+ * (See: https://bugzilla.mozilla.org/show_bug.cgi?id=695438). IE 10 lacks support
+ * for __proto__ and has a buggy typed array implementation.
+ */
+Buffer.TYPED_ARRAY_SUPPORT = typedArraySupport()
+
+if (!Buffer.TYPED_ARRAY_SUPPORT && typeof console !== 'undefined' &&
+    typeof console.error === 'function') {
+  console.error(
+    'This browser lacks typed array (Uint8Array) support which is required by ' +
+    '`buffer` v5.x. Use `buffer` v4.x if you require old browser support.'
+  )
+}
+
+function typedArraySupport () {
+  // Can typed array instances can be augmented?
+  try {
+    var arr = new Uint8Array(1)
+    arr.__proto__ = { __proto__: Uint8Array.prototype, foo: function () { return 42 } }
+    return arr.foo() === 42
+  } catch (e) {
+    return false
+  }
+}
+
+Object.defineProperty(Buffer.prototype, 'parent', {
+  enumerable: true,
+  get: function () {
+    if (!Buffer.isBuffer(this)) return undefined
+    return this.buffer
+  }
+})
+
+Object.defineProperty(Buffer.prototype, 'offset', {
+  enumerable: true,
+  get: function () {
+    if (!Buffer.isBuffer(this)) return undefined
+    return this.byteOffset
+  }
+})
+
+function createBuffer (length) {
+  if (length > K_MAX_LENGTH) {
+    throw new RangeError('The value "' + length + '" is invalid for option "size"')
+  }
+  // Return an augmented `Uint8Array` instance
+  var buf = new Uint8Array(length)
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+/**
+ * The Buffer constructor returns instances of `Uint8Array` that have their
+ * prototype changed to `Buffer.prototype`. Furthermore, `Buffer` is a subclass of
+ * `Uint8Array`, so the returned instances will have all the node `Buffer` methods
+ * and the `Uint8Array` methods. Square bracket notation works as expected -- it
+ * returns a single octet.
+ *
+ * The `Uint8Array` prototype remains unmodified.
+ */
+
+function Buffer (arg, encodingOrOffset, length) {
+  // Common case.
+  if (typeof arg === 'number') {
+    if (typeof encodingOrOffset === 'string') {
+      throw new TypeError(
+        'The "string" argument must be of type string. Received type number'
+      )
+    }
+    return allocUnsafe(arg)
+  }
+  return from(arg, encodingOrOffset, length)
+}
+
+// Fix subarray() in ES2016. See: https://github.com/feross/buffer/pull/97
+if (typeof Symbol !== 'undefined' && Symbol.species != null &&
+    Buffer[Symbol.species] === Buffer) {
+  Object.defineProperty(Buffer, Symbol.species, {
+    value: null,
+    configurable: true,
+    enumerable: false,
+    writable: false
+  })
+}
+
+Buffer.poolSize = 8192 // not used by this implementation
+
+function from (value, encodingOrOffset, length) {
+  if (typeof value === 'string') {
+    return fromString(value, encodingOrOffset)
+  }
+
+  if (ArrayBuffer.isView(value)) {
+    return fromArrayLike(value)
+  }
+
+  if (value == null) {
+    throw TypeError(
+      'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
+      'or Array-like Object. Received type ' + (typeof value)
+    )
+  }
+
+  if (isInstance(value, ArrayBuffer) ||
+      (value && isInstance(value.buffer, ArrayBuffer))) {
+    return fromArrayBuffer(value, encodingOrOffset, length)
+  }
+
+  if (typeof value === 'number') {
+    throw new TypeError(
+      'The "value" argument must not be of type number. Received type number'
+    )
+  }
+
+  var valueOf = value.valueOf && value.valueOf()
+  if (valueOf != null && valueOf !== value) {
+    return Buffer.from(valueOf, encodingOrOffset, length)
+  }
+
+  var b = fromObject(value)
+  if (b) return b
+
+  if (typeof Symbol !== 'undefined' && Symbol.toPrimitive != null &&
+      typeof value[Symbol.toPrimitive] === 'function') {
+    return Buffer.from(
+      value[Symbol.toPrimitive]('string'), encodingOrOffset, length
+    )
+  }
+
+  throw new TypeError(
+    'The first argument must be one of type string, Buffer, ArrayBuffer, Array, ' +
+    'or Array-like Object. Received type ' + (typeof value)
+  )
+}
+
+/**
+ * Functionally equivalent to Buffer(arg, encoding) but throws a TypeError
+ * if value is a number.
+ * Buffer.from(str[, encoding])
+ * Buffer.from(array)
+ * Buffer.from(buffer)
+ * Buffer.from(arrayBuffer[, byteOffset[, length]])
+ **/
+Buffer.from = function (value, encodingOrOffset, length) {
+  return from(value, encodingOrOffset, length)
+}
+
+// Note: Change prototype *after* Buffer.from is defined to workaround Chrome bug:
+// https://github.com/feross/buffer/pull/148
+Buffer.prototype.__proto__ = Uint8Array.prototype
+Buffer.__proto__ = Uint8Array
+
+function assertSize (size) {
+  if (typeof size !== 'number') {
+    throw new TypeError('"size" argument must be of type number')
+  } else if (size < 0) {
+    throw new RangeError('The value "' + size + '" is invalid for option "size"')
+  }
+}
+
+function alloc (size, fill, encoding) {
+  assertSize(size)
+  if (size <= 0) {
+    return createBuffer(size)
+  }
+  if (fill !== undefined) {
+    // Only pay attention to encoding if it's a string. This
+    // prevents accidentally sending in a number that would
+    // be interpretted as a start offset.
+    return typeof encoding === 'string'
+      ? createBuffer(size).fill(fill, encoding)
+      : createBuffer(size).fill(fill)
+  }
+  return createBuffer(size)
+}
+
+/**
+ * Creates a new filled Buffer instance.
+ * alloc(size[, fill[, encoding]])
+ **/
+Buffer.alloc = function (size, fill, encoding) {
+  return alloc(size, fill, encoding)
+}
+
+function allocUnsafe (size) {
+  assertSize(size)
+  return createBuffer(size < 0 ? 0 : checked(size) | 0)
+}
+
+/**
+ * Equivalent to Buffer(num), by default creates a non-zero-filled Buffer instance.
+ * */
+Buffer.allocUnsafe = function (size) {
+  return allocUnsafe(size)
+}
+/**
+ * Equivalent to SlowBuffer(num), by default creates a non-zero-filled Buffer instance.
+ */
+Buffer.allocUnsafeSlow = function (size) {
+  return allocUnsafe(size)
+}
+
+function fromString (string, encoding) {
+  if (typeof encoding !== 'string' || encoding === '') {
+    encoding = 'utf8'
+  }
+
+  if (!Buffer.isEncoding(encoding)) {
+    throw new TypeError('Unknown encoding: ' + encoding)
+  }
+
+  var length = byteLength(string, encoding) | 0
+  var buf = createBuffer(length)
+
+  var actual = buf.write(string, encoding)
+
+  if (actual !== length) {
+    // Writing a hex string, for example, that contains invalid characters will
+    // cause everything after the first invalid character to be ignored. (e.g.
+    // 'abxxcd' will be treated as 'ab')
+    buf = buf.slice(0, actual)
+  }
+
+  return buf
+}
+
+function fromArrayLike (array) {
+  var length = array.length < 0 ? 0 : checked(array.length) | 0
+  var buf = createBuffer(length)
+  for (var i = 0; i < length; i += 1) {
+    buf[i] = array[i] & 255
+  }
+  return buf
+}
+
+function fromArrayBuffer (array, byteOffset, length) {
+  if (byteOffset < 0 || array.byteLength < byteOffset) {
+    throw new RangeError('"offset" is outside of buffer bounds')
+  }
+
+  if (array.byteLength < byteOffset + (length || 0)) {
+    throw new RangeError('"length" is outside of buffer bounds')
+  }
+
+  var buf
+  if (byteOffset === undefined && length === undefined) {
+    buf = new Uint8Array(array)
+  } else if (length === undefined) {
+    buf = new Uint8Array(array, byteOffset)
+  } else {
+    buf = new Uint8Array(array, byteOffset, length)
+  }
+
+  // Return an augmented `Uint8Array` instance
+  buf.__proto__ = Buffer.prototype
+  return buf
+}
+
+function fromObject (obj) {
+  if (Buffer.isBuffer(obj)) {
+    var len = checked(obj.length) | 0
+    var buf = createBuffer(len)
+
+    if (buf.length === 0) {
+      return buf
+    }
+
+    obj.copy(buf, 0, 0, len)
+    return buf
+  }
+
+  if (obj.length !== undefined) {
+    if (typeof obj.length !== 'number' || numberIsNaN(obj.length)) {
+      return createBuffer(0)
+    }
+    return fromArrayLike(obj)
+  }
+
+  if (obj.type === 'Buffer' && Array.isArray(obj.data)) {
+    return fromArrayLike(obj.data)
+  }
+}
+
+function checked (length) {
+  // Note: cannot use `length < K_MAX_LENGTH` here because that fails when
+  // length is NaN (which is otherwise coerced to zero.)
+  if (length >= K_MAX_LENGTH) {
+    throw new RangeError('Attempt to allocate Buffer larger than maximum ' +
+                         'size: 0x' + K_MAX_LENGTH.toString(16) + ' bytes')
+  }
+  return length | 0
+}
+
+function SlowBuffer (length) {
+  if (+length != length) { // eslint-disable-line eqeqeq
+    length = 0
+  }
+  return Buffer.alloc(+length)
+}
+
+Buffer.isBuffer = function isBuffer (b) {
+  return b != null && b._isBuffer === true &&
+    b !== Buffer.prototype // so Buffer.isBuffer(Buffer.prototype) will be false
+}
+
+Buffer.compare = function compare (a, b) {
+  if (isInstance(a, Uint8Array)) a = Buffer.from(a, a.offset, a.byteLength)
+  if (isInstance(b, Uint8Array)) b = Buffer.from(b, b.offset, b.byteLength)
+  if (!Buffer.isBuffer(a) || !Buffer.isBuffer(b)) {
+    throw new TypeError(
+      'The "buf1", "buf2" arguments must be one of type Buffer or Uint8Array'
+    )
+  }
+
+  if (a === b) return 0
+
+  var x = a.length
+  var y = b.length
+
+  for (var i = 0, len = Math.min(x, y); i < len; ++i) {
+    if (a[i] !== b[i]) {
+      x = a[i]
+      y = b[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+Buffer.isEncoding = function isEncoding (encoding) {
+  switch (String(encoding).toLowerCase()) {
+    case 'hex':
+    case 'utf8':
+    case 'utf-8':
+    case 'ascii':
+    case 'latin1':
+    case 'binary':
+    case 'base64':
+    case 'ucs2':
+    case 'ucs-2':
+    case 'utf16le':
+    case 'utf-16le':
+      return true
+    default:
+      return false
+  }
+}
+
+Buffer.concat = function concat (list, length) {
+  if (!Array.isArray(list)) {
+    throw new TypeError('"list" argument must be an Array of Buffers')
+  }
+
+  if (list.length === 0) {
+    return Buffer.alloc(0)
+  }
+
+  var i
+  if (length === undefined) {
+    length = 0
+    for (i = 0; i < list.length; ++i) {
+      length += list[i].length
+    }
+  }
+
+  var buffer = Buffer.allocUnsafe(length)
+  var pos = 0
+  for (i = 0; i < list.length; ++i) {
+    var buf = list[i]
+    if (isInstance(buf, Uint8Array)) {
+      buf = Buffer.from(buf)
+    }
+    if (!Buffer.isBuffer(buf)) {
+      throw new TypeError('"list" argument must be an Array of Buffers')
+    }
+    buf.copy(buffer, pos)
+    pos += buf.length
+  }
+  return buffer
+}
+
+function byteLength (string, encoding) {
+  if (Buffer.isBuffer(string)) {
+    return string.length
+  }
+  if (ArrayBuffer.isView(string) || isInstance(string, ArrayBuffer)) {
+    return string.byteLength
+  }
+  if (typeof string !== 'string') {
+    throw new TypeError(
+      'The "string" argument must be one of type string, Buffer, or ArrayBuffer. ' +
+      'Received type ' + typeof string
+    )
+  }
+
+  var len = string.length
+  var mustMatch = (arguments.length > 2 && arguments[2] === true)
+  if (!mustMatch && len === 0) return 0
+
+  // Use a for loop to avoid recursion
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'ascii':
+      case 'latin1':
+      case 'binary':
+        return len
+      case 'utf8':
+      case 'utf-8':
+        return utf8ToBytes(string).length
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return len * 2
+      case 'hex':
+        return len >>> 1
+      case 'base64':
+        return base64ToBytes(string).length
+      default:
+        if (loweredCase) {
+          return mustMatch ? -1 : utf8ToBytes(string).length // assume utf8
+        }
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+Buffer.byteLength = byteLength
+
+function slowToString (encoding, start, end) {
+  var loweredCase = false
+
+  // No need to verify that "this.length <= MAX_UINT32" since it's a read-only
+  // property of a typed array.
+
+  // This behaves neither like String nor Uint8Array in that we set start/end
+  // to their upper/lower bounds if the value passed is out of range.
+  // undefined is handled specially as per ECMA-262 6th Edition,
+  // Section 13.3.3.7 Runtime Semantics: KeyedBindingInitialization.
+  if (start === undefined || start < 0) {
+    start = 0
+  }
+  // Return early if start > this.length. Done here to prevent potential uint32
+  // coercion fail below.
+  if (start > this.length) {
+    return ''
+  }
+
+  if (end === undefined || end > this.length) {
+    end = this.length
+  }
+
+  if (end <= 0) {
+    return ''
+  }
+
+  // Force coersion to uint32. This will also coerce falsey/NaN values to 0.
+  end >>>= 0
+  start >>>= 0
+
+  if (end <= start) {
+    return ''
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  while (true) {
+    switch (encoding) {
+      case 'hex':
+        return hexSlice(this, start, end)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Slice(this, start, end)
+
+      case 'ascii':
+        return asciiSlice(this, start, end)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Slice(this, start, end)
+
+      case 'base64':
+        return base64Slice(this, start, end)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return utf16leSlice(this, start, end)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = (encoding + '').toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+// This property is used by `Buffer.isBuffer` (and the `is-buffer` npm package)
+// to detect a Buffer instance. It's not possible to use `instanceof Buffer`
+// reliably in a browserify context because there could be multiple different
+// copies of the 'buffer' package in use. This method works even for Buffer
+// instances that were created from another copy of the `buffer` package.
+// See: https://github.com/feross/buffer/issues/154
+Buffer.prototype._isBuffer = true
+
+function swap (b, n, m) {
+  var i = b[n]
+  b[n] = b[m]
+  b[m] = i
+}
+
+Buffer.prototype.swap16 = function swap16 () {
+  var len = this.length
+  if (len % 2 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 16-bits')
+  }
+  for (var i = 0; i < len; i += 2) {
+    swap(this, i, i + 1)
+  }
+  return this
+}
+
+Buffer.prototype.swap32 = function swap32 () {
+  var len = this.length
+  if (len % 4 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 32-bits')
+  }
+  for (var i = 0; i < len; i += 4) {
+    swap(this, i, i + 3)
+    swap(this, i + 1, i + 2)
+  }
+  return this
+}
+
+Buffer.prototype.swap64 = function swap64 () {
+  var len = this.length
+  if (len % 8 !== 0) {
+    throw new RangeError('Buffer size must be a multiple of 64-bits')
+  }
+  for (var i = 0; i < len; i += 8) {
+    swap(this, i, i + 7)
+    swap(this, i + 1, i + 6)
+    swap(this, i + 2, i + 5)
+    swap(this, i + 3, i + 4)
+  }
+  return this
+}
+
+Buffer.prototype.toString = function toString () {
+  var length = this.length
+  if (length === 0) return ''
+  if (arguments.length === 0) return utf8Slice(this, 0, length)
+  return slowToString.apply(this, arguments)
+}
+
+Buffer.prototype.toLocaleString = Buffer.prototype.toString
+
+Buffer.prototype.equals = function equals (b) {
+  if (!Buffer.isBuffer(b)) throw new TypeError('Argument must be a Buffer')
+  if (this === b) return true
+  return Buffer.compare(this, b) === 0
+}
+
+Buffer.prototype.inspect = function inspect () {
+  var str = ''
+  var max = exports.INSPECT_MAX_BYTES
+  str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
+  if (this.length > max) str += ' ... '
+  return '<Buffer ' + str + '>'
+}
+
+Buffer.prototype.compare = function compare (target, start, end, thisStart, thisEnd) {
+  if (isInstance(target, Uint8Array)) {
+    target = Buffer.from(target, target.offset, target.byteLength)
+  }
+  if (!Buffer.isBuffer(target)) {
+    throw new TypeError(
+      'The "target" argument must be one of type Buffer or Uint8Array. ' +
+      'Received type ' + (typeof target)
+    )
+  }
+
+  if (start === undefined) {
+    start = 0
+  }
+  if (end === undefined) {
+    end = target ? target.length : 0
+  }
+  if (thisStart === undefined) {
+    thisStart = 0
+  }
+  if (thisEnd === undefined) {
+    thisEnd = this.length
+  }
+
+  if (start < 0 || end > target.length || thisStart < 0 || thisEnd > this.length) {
+    throw new RangeError('out of range index')
+  }
+
+  if (thisStart >= thisEnd && start >= end) {
+    return 0
+  }
+  if (thisStart >= thisEnd) {
+    return -1
+  }
+  if (start >= end) {
+    return 1
+  }
+
+  start >>>= 0
+  end >>>= 0
+  thisStart >>>= 0
+  thisEnd >>>= 0
+
+  if (this === target) return 0
+
+  var x = thisEnd - thisStart
+  var y = end - start
+  var len = Math.min(x, y)
+
+  var thisCopy = this.slice(thisStart, thisEnd)
+  var targetCopy = target.slice(start, end)
+
+  for (var i = 0; i < len; ++i) {
+    if (thisCopy[i] !== targetCopy[i]) {
+      x = thisCopy[i]
+      y = targetCopy[i]
+      break
+    }
+  }
+
+  if (x < y) return -1
+  if (y < x) return 1
+  return 0
+}
+
+// Finds either the first index of `val` in `buffer` at offset >= `byteOffset`,
+// OR the last index of `val` in `buffer` at offset <= `byteOffset`.
+//
+// Arguments:
+// - buffer - a Buffer to search
+// - val - a string, Buffer, or number
+// - byteOffset - an index into `buffer`; will be clamped to an int32
+// - encoding - an optional encoding, relevant is val is a string
+// - dir - true for indexOf, false for lastIndexOf
+function bidirectionalIndexOf (buffer, val, byteOffset, encoding, dir) {
+  // Empty buffer means no match
+  if (buffer.length === 0) return -1
+
+  // Normalize byteOffset
+  if (typeof byteOffset === 'string') {
+    encoding = byteOffset
+    byteOffset = 0
+  } else if (byteOffset > 0x7fffffff) {
+    byteOffset = 0x7fffffff
+  } else if (byteOffset < -0x80000000) {
+    byteOffset = -0x80000000
+  }
+  byteOffset = +byteOffset // Coerce to Number.
+  if (numberIsNaN(byteOffset)) {
+    // byteOffset: it it's undefined, null, NaN, "foo", etc, search whole buffer
+    byteOffset = dir ? 0 : (buffer.length - 1)
+  }
+
+  // Normalize byteOffset: negative offsets start from the end of the buffer
+  if (byteOffset < 0) byteOffset = buffer.length + byteOffset
+  if (byteOffset >= buffer.length) {
+    if (dir) return -1
+    else byteOffset = buffer.length - 1
+  } else if (byteOffset < 0) {
+    if (dir) byteOffset = 0
+    else return -1
+  }
+
+  // Normalize val
+  if (typeof val === 'string') {
+    val = Buffer.from(val, encoding)
+  }
+
+  // Finally, search either indexOf (if dir is true) or lastIndexOf
+  if (Buffer.isBuffer(val)) {
+    // Special case: looking for empty string/buffer always fails
+    if (val.length === 0) {
+      return -1
+    }
+    return arrayIndexOf(buffer, val, byteOffset, encoding, dir)
+  } else if (typeof val === 'number') {
+    val = val & 0xFF // Search for a byte value [0-255]
+    if (typeof Uint8Array.prototype.indexOf === 'function') {
+      if (dir) {
+        return Uint8Array.prototype.indexOf.call(buffer, val, byteOffset)
+      } else {
+        return Uint8Array.prototype.lastIndexOf.call(buffer, val, byteOffset)
+      }
+    }
+    return arrayIndexOf(buffer, [ val ], byteOffset, encoding, dir)
+  }
+
+  throw new TypeError('val must be string, number or Buffer')
+}
+
+function arrayIndexOf (arr, val, byteOffset, encoding, dir) {
+  var indexSize = 1
+  var arrLength = arr.length
+  var valLength = val.length
+
+  if (encoding !== undefined) {
+    encoding = String(encoding).toLowerCase()
+    if (encoding === 'ucs2' || encoding === 'ucs-2' ||
+        encoding === 'utf16le' || encoding === 'utf-16le') {
+      if (arr.length < 2 || val.length < 2) {
+        return -1
+      }
+      indexSize = 2
+      arrLength /= 2
+      valLength /= 2
+      byteOffset /= 2
+    }
+  }
+
+  function read (buf, i) {
+    if (indexSize === 1) {
+      return buf[i]
+    } else {
+      return buf.readUInt16BE(i * indexSize)
+    }
+  }
+
+  var i
+  if (dir) {
+    var foundIndex = -1
+    for (i = byteOffset; i < arrLength; i++) {
+      if (read(arr, i) === read(val, foundIndex === -1 ? 0 : i - foundIndex)) {
+        if (foundIndex === -1) foundIndex = i
+        if (i - foundIndex + 1 === valLength) return foundIndex * indexSize
+      } else {
+        if (foundIndex !== -1) i -= i - foundIndex
+        foundIndex = -1
+      }
+    }
+  } else {
+    if (byteOffset + valLength > arrLength) byteOffset = arrLength - valLength
+    for (i = byteOffset; i >= 0; i--) {
+      var found = true
+      for (var j = 0; j < valLength; j++) {
+        if (read(arr, i + j) !== read(val, j)) {
+          found = false
+          break
+        }
+      }
+      if (found) return i
+    }
+  }
+
+  return -1
+}
+
+Buffer.prototype.includes = function includes (val, byteOffset, encoding) {
+  return this.indexOf(val, byteOffset, encoding) !== -1
+}
+
+Buffer.prototype.indexOf = function indexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, true)
+}
+
+Buffer.prototype.lastIndexOf = function lastIndexOf (val, byteOffset, encoding) {
+  return bidirectionalIndexOf(this, val, byteOffset, encoding, false)
+}
+
+function hexWrite (buf, string, offset, length) {
+  offset = Number(offset) || 0
+  var remaining = buf.length - offset
+  if (!length) {
+    length = remaining
+  } else {
+    length = Number(length)
+    if (length > remaining) {
+      length = remaining
+    }
+  }
+
+  var strLen = string.length
+
+  if (length > strLen / 2) {
+    length = strLen / 2
+  }
+  for (var i = 0; i < length; ++i) {
+    var parsed = parseInt(string.substr(i * 2, 2), 16)
+    if (numberIsNaN(parsed)) return i
+    buf[offset + i] = parsed
+  }
+  return i
+}
+
+function utf8Write (buf, string, offset, length) {
+  return blitBuffer(utf8ToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+function asciiWrite (buf, string, offset, length) {
+  return blitBuffer(asciiToBytes(string), buf, offset, length)
+}
+
+function latin1Write (buf, string, offset, length) {
+  return asciiWrite(buf, string, offset, length)
+}
+
+function base64Write (buf, string, offset, length) {
+  return blitBuffer(base64ToBytes(string), buf, offset, length)
+}
+
+function ucs2Write (buf, string, offset, length) {
+  return blitBuffer(utf16leToBytes(string, buf.length - offset), buf, offset, length)
+}
+
+Buffer.prototype.write = function write (string, offset, length, encoding) {
+  // Buffer#write(string)
+  if (offset === undefined) {
+    encoding = 'utf8'
+    length = this.length
+    offset = 0
+  // Buffer#write(string, encoding)
+  } else if (length === undefined && typeof offset === 'string') {
+    encoding = offset
+    length = this.length
+    offset = 0
+  // Buffer#write(string, offset[, length][, encoding])
+  } else if (isFinite(offset)) {
+    offset = offset >>> 0
+    if (isFinite(length)) {
+      length = length >>> 0
+      if (encoding === undefined) encoding = 'utf8'
+    } else {
+      encoding = length
+      length = undefined
+    }
+  } else {
+    throw new Error(
+      'Buffer.write(string, encoding, offset[, length]) is no longer supported'
+    )
+  }
+
+  var remaining = this.length - offset
+  if (length === undefined || length > remaining) length = remaining
+
+  if ((string.length > 0 && (length < 0 || offset < 0)) || offset > this.length) {
+    throw new RangeError('Attempt to write outside buffer bounds')
+  }
+
+  if (!encoding) encoding = 'utf8'
+
+  var loweredCase = false
+  for (;;) {
+    switch (encoding) {
+      case 'hex':
+        return hexWrite(this, string, offset, length)
+
+      case 'utf8':
+      case 'utf-8':
+        return utf8Write(this, string, offset, length)
+
+      case 'ascii':
+        return asciiWrite(this, string, offset, length)
+
+      case 'latin1':
+      case 'binary':
+        return latin1Write(this, string, offset, length)
+
+      case 'base64':
+        // Warning: maxLength not taken into account in base64Write
+        return base64Write(this, string, offset, length)
+
+      case 'ucs2':
+      case 'ucs-2':
+      case 'utf16le':
+      case 'utf-16le':
+        return ucs2Write(this, string, offset, length)
+
+      default:
+        if (loweredCase) throw new TypeError('Unknown encoding: ' + encoding)
+        encoding = ('' + encoding).toLowerCase()
+        loweredCase = true
+    }
+  }
+}
+
+Buffer.prototype.toJSON = function toJSON () {
+  return {
+    type: 'Buffer',
+    data: Array.prototype.slice.call(this._arr || this, 0)
+  }
+}
+
+function base64Slice (buf, start, end) {
+  if (start === 0 && end === buf.length) {
+    return base64.fromByteArray(buf)
+  } else {
+    return base64.fromByteArray(buf.slice(start, end))
+  }
+}
+
+function utf8Slice (buf, start, end) {
+  end = Math.min(buf.length, end)
+  var res = []
+
+  var i = start
+  while (i < end) {
+    var firstByte = buf[i]
+    var codePoint = null
+    var bytesPerSequence = (firstByte > 0xEF) ? 4
+      : (firstByte > 0xDF) ? 3
+        : (firstByte > 0xBF) ? 2
+          : 1
+
+    if (i + bytesPerSequence <= end) {
+      var secondByte, thirdByte, fourthByte, tempCodePoint
+
+      switch (bytesPerSequence) {
+        case 1:
+          if (firstByte < 0x80) {
+            codePoint = firstByte
+          }
+          break
+        case 2:
+          secondByte = buf[i + 1]
+          if ((secondByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0x1F) << 0x6 | (secondByte & 0x3F)
+            if (tempCodePoint > 0x7F) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 3:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0xC | (secondByte & 0x3F) << 0x6 | (thirdByte & 0x3F)
+            if (tempCodePoint > 0x7FF && (tempCodePoint < 0xD800 || tempCodePoint > 0xDFFF)) {
+              codePoint = tempCodePoint
+            }
+          }
+          break
+        case 4:
+          secondByte = buf[i + 1]
+          thirdByte = buf[i + 2]
+          fourthByte = buf[i + 3]
+          if ((secondByte & 0xC0) === 0x80 && (thirdByte & 0xC0) === 0x80 && (fourthByte & 0xC0) === 0x80) {
+            tempCodePoint = (firstByte & 0xF) << 0x12 | (secondByte & 0x3F) << 0xC | (thirdByte & 0x3F) << 0x6 | (fourthByte & 0x3F)
+            if (tempCodePoint > 0xFFFF && tempCodePoint < 0x110000) {
+              codePoint = tempCodePoint
+            }
+          }
+      }
+    }
+
+    if (codePoint === null) {
+      // we did not generate a valid codePoint so insert a
+      // replacement char (U+FFFD) and advance only 1 byte
+      codePoint = 0xFFFD
+      bytesPerSequence = 1
+    } else if (codePoint > 0xFFFF) {
+      // encode to utf16 (surrogate pair dance)
+      codePoint -= 0x10000
+      res.push(codePoint >>> 10 & 0x3FF | 0xD800)
+      codePoint = 0xDC00 | codePoint & 0x3FF
+    }
+
+    res.push(codePoint)
+    i += bytesPerSequence
+  }
+
+  return decodeCodePointsArray(res)
+}
+
+// Based on http://stackoverflow.com/a/22747272/680742, the browser with
+// the lowest limit is Chrome, with 0x10000 args.
+// We go 1 magnitude less, for safety
+var MAX_ARGUMENTS_LENGTH = 0x1000
+
+function decodeCodePointsArray (codePoints) {
+  var len = codePoints.length
+  if (len <= MAX_ARGUMENTS_LENGTH) {
+    return String.fromCharCode.apply(String, codePoints) // avoid extra slice()
+  }
+
+  // Decode in chunks to avoid "call stack size exceeded".
+  var res = ''
+  var i = 0
+  while (i < len) {
+    res += String.fromCharCode.apply(
+      String,
+      codePoints.slice(i, i += MAX_ARGUMENTS_LENGTH)
+    )
+  }
+  return res
+}
+
+function asciiSlice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i] & 0x7F)
+  }
+  return ret
+}
+
+function latin1Slice (buf, start, end) {
+  var ret = ''
+  end = Math.min(buf.length, end)
+
+  for (var i = start; i < end; ++i) {
+    ret += String.fromCharCode(buf[i])
+  }
+  return ret
+}
+
+function hexSlice (buf, start, end) {
+  var len = buf.length
+
+  if (!start || start < 0) start = 0
+  if (!end || end < 0 || end > len) end = len
+
+  var out = ''
+  for (var i = start; i < end; ++i) {
+    out += toHex(buf[i])
+  }
+  return out
+}
+
+function utf16leSlice (buf, start, end) {
+  var bytes = buf.slice(start, end)
+  var res = ''
+  for (var i = 0; i < bytes.length; i += 2) {
+    res += String.fromCharCode(bytes[i] + (bytes[i + 1] * 256))
+  }
+  return res
+}
+
+Buffer.prototype.slice = function slice (start, end) {
+  var len = this.length
+  start = ~~start
+  end = end === undefined ? len : ~~end
+
+  if (start < 0) {
+    start += len
+    if (start < 0) start = 0
+  } else if (start > len) {
+    start = len
+  }
+
+  if (end < 0) {
+    end += len
+    if (end < 0) end = 0
+  } else if (end > len) {
+    end = len
+  }
+
+  if (end < start) end = start
+
+  var newBuf = this.subarray(start, end)
+  // Return an augmented `Uint8Array` instance
+  newBuf.__proto__ = Buffer.prototype
+  return newBuf
+}
+
+/*
+ * Need to make sure that buffer isn't trying to write out of bounds.
+ */
+function checkOffset (offset, ext, length) {
+  if ((offset % 1) !== 0 || offset < 0) throw new RangeError('offset is not uint')
+  if (offset + ext > length) throw new RangeError('Trying to access beyond buffer length')
+}
+
+Buffer.prototype.readUIntLE = function readUIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUIntBE = function readUIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    checkOffset(offset, byteLength, this.length)
+  }
+
+  var val = this[offset + --byteLength]
+  var mul = 1
+  while (byteLength > 0 && (mul *= 0x100)) {
+    val += this[offset + --byteLength] * mul
+  }
+
+  return val
+}
+
+Buffer.prototype.readUInt8 = function readUInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  return this[offset]
+}
+
+Buffer.prototype.readUInt16LE = function readUInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return this[offset] | (this[offset + 1] << 8)
+}
+
+Buffer.prototype.readUInt16BE = function readUInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  return (this[offset] << 8) | this[offset + 1]
+}
+
+Buffer.prototype.readUInt32LE = function readUInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return ((this[offset]) |
+      (this[offset + 1] << 8) |
+      (this[offset + 2] << 16)) +
+      (this[offset + 3] * 0x1000000)
+}
+
+Buffer.prototype.readUInt32BE = function readUInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] * 0x1000000) +
+    ((this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    this[offset + 3])
+}
+
+Buffer.prototype.readIntLE = function readIntLE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var val = this[offset]
+  var mul = 1
+  var i = 0
+  while (++i < byteLength && (mul *= 0x100)) {
+    val += this[offset + i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readIntBE = function readIntBE (offset, byteLength, noAssert) {
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) checkOffset(offset, byteLength, this.length)
+
+  var i = byteLength
+  var mul = 1
+  var val = this[offset + --i]
+  while (i > 0 && (mul *= 0x100)) {
+    val += this[offset + --i] * mul
+  }
+  mul *= 0x80
+
+  if (val >= mul) val -= Math.pow(2, 8 * byteLength)
+
+  return val
+}
+
+Buffer.prototype.readInt8 = function readInt8 (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 1, this.length)
+  if (!(this[offset] & 0x80)) return (this[offset])
+  return ((0xff - this[offset] + 1) * -1)
+}
+
+Buffer.prototype.readInt16LE = function readInt16LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset] | (this[offset + 1] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt16BE = function readInt16BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 2, this.length)
+  var val = this[offset + 1] | (this[offset] << 8)
+  return (val & 0x8000) ? val | 0xFFFF0000 : val
+}
+
+Buffer.prototype.readInt32LE = function readInt32LE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset]) |
+    (this[offset + 1] << 8) |
+    (this[offset + 2] << 16) |
+    (this[offset + 3] << 24)
+}
+
+Buffer.prototype.readInt32BE = function readInt32BE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+
+  return (this[offset] << 24) |
+    (this[offset + 1] << 16) |
+    (this[offset + 2] << 8) |
+    (this[offset + 3])
+}
+
+Buffer.prototype.readFloatLE = function readFloatLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, true, 23, 4)
+}
+
+Buffer.prototype.readFloatBE = function readFloatBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 4, this.length)
+  return ieee754.read(this, offset, false, 23, 4)
+}
+
+Buffer.prototype.readDoubleLE = function readDoubleLE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, true, 52, 8)
+}
+
+Buffer.prototype.readDoubleBE = function readDoubleBE (offset, noAssert) {
+  offset = offset >>> 0
+  if (!noAssert) checkOffset(offset, 8, this.length)
+  return ieee754.read(this, offset, false, 52, 8)
+}
+
+function checkInt (buf, value, offset, ext, max, min) {
+  if (!Buffer.isBuffer(buf)) throw new TypeError('"buffer" argument must be a Buffer instance')
+  if (value > max || value < min) throw new RangeError('"value" argument is out of bounds')
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+}
+
+Buffer.prototype.writeUIntLE = function writeUIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var mul = 1
+  var i = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUIntBE = function writeUIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  byteLength = byteLength >>> 0
+  if (!noAssert) {
+    var maxBytes = Math.pow(2, 8 * byteLength) - 1
+    checkInt(this, value, offset, byteLength, maxBytes, 0)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    this[offset + i] = (value / mul) & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeUInt8 = function writeUInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0xff, 0)
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeUInt16LE = function writeUInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt16BE = function writeUInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0xffff, 0)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeUInt32LE = function writeUInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset + 3] = (value >>> 24)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 1] = (value >>> 8)
+  this[offset] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeUInt32BE = function writeUInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0xffffffff, 0)
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+Buffer.prototype.writeIntLE = function writeIntLE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = 0
+  var mul = 1
+  var sub = 0
+  this[offset] = value & 0xFF
+  while (++i < byteLength && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i - 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeIntBE = function writeIntBE (value, offset, byteLength, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    var limit = Math.pow(2, (8 * byteLength) - 1)
+
+    checkInt(this, value, offset, byteLength, limit - 1, -limit)
+  }
+
+  var i = byteLength - 1
+  var mul = 1
+  var sub = 0
+  this[offset + i] = value & 0xFF
+  while (--i >= 0 && (mul *= 0x100)) {
+    if (value < 0 && sub === 0 && this[offset + i + 1] !== 0) {
+      sub = 1
+    }
+    this[offset + i] = ((value / mul) >> 0) - sub & 0xFF
+  }
+
+  return offset + byteLength
+}
+
+Buffer.prototype.writeInt8 = function writeInt8 (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 1, 0x7f, -0x80)
+  if (value < 0) value = 0xff + value + 1
+  this[offset] = (value & 0xff)
+  return offset + 1
+}
+
+Buffer.prototype.writeInt16LE = function writeInt16LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt16BE = function writeInt16BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 2, 0x7fff, -0x8000)
+  this[offset] = (value >>> 8)
+  this[offset + 1] = (value & 0xff)
+  return offset + 2
+}
+
+Buffer.prototype.writeInt32LE = function writeInt32LE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  this[offset] = (value & 0xff)
+  this[offset + 1] = (value >>> 8)
+  this[offset + 2] = (value >>> 16)
+  this[offset + 3] = (value >>> 24)
+  return offset + 4
+}
+
+Buffer.prototype.writeInt32BE = function writeInt32BE (value, offset, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) checkInt(this, value, offset, 4, 0x7fffffff, -0x80000000)
+  if (value < 0) value = 0xffffffff + value + 1
+  this[offset] = (value >>> 24)
+  this[offset + 1] = (value >>> 16)
+  this[offset + 2] = (value >>> 8)
+  this[offset + 3] = (value & 0xff)
+  return offset + 4
+}
+
+function checkIEEE754 (buf, value, offset, ext, max, min) {
+  if (offset + ext > buf.length) throw new RangeError('Index out of range')
+  if (offset < 0) throw new RangeError('Index out of range')
+}
+
+function writeFloat (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 4, 3.4028234663852886e+38, -3.4028234663852886e+38)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 23, 4)
+  return offset + 4
+}
+
+Buffer.prototype.writeFloatLE = function writeFloatLE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeFloatBE = function writeFloatBE (value, offset, noAssert) {
+  return writeFloat(this, value, offset, false, noAssert)
+}
+
+function writeDouble (buf, value, offset, littleEndian, noAssert) {
+  value = +value
+  offset = offset >>> 0
+  if (!noAssert) {
+    checkIEEE754(buf, value, offset, 8, 1.7976931348623157E+308, -1.7976931348623157E+308)
+  }
+  ieee754.write(buf, value, offset, littleEndian, 52, 8)
+  return offset + 8
+}
+
+Buffer.prototype.writeDoubleLE = function writeDoubleLE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, true, noAssert)
+}
+
+Buffer.prototype.writeDoubleBE = function writeDoubleBE (value, offset, noAssert) {
+  return writeDouble(this, value, offset, false, noAssert)
+}
+
+// copy(targetBuffer, targetStart=0, sourceStart=0, sourceEnd=buffer.length)
+Buffer.prototype.copy = function copy (target, targetStart, start, end) {
+  if (!Buffer.isBuffer(target)) throw new TypeError('argument should be a Buffer')
+  if (!start) start = 0
+  if (!end && end !== 0) end = this.length
+  if (targetStart >= target.length) targetStart = target.length
+  if (!targetStart) targetStart = 0
+  if (end > 0 && end < start) end = start
+
+  // Copy 0 bytes; we're done
+  if (end === start) return 0
+  if (target.length === 0 || this.length === 0) return 0
+
+  // Fatal error conditions
+  if (targetStart < 0) {
+    throw new RangeError('targetStart out of bounds')
+  }
+  if (start < 0 || start >= this.length) throw new RangeError('Index out of range')
+  if (end < 0) throw new RangeError('sourceEnd out of bounds')
+
+  // Are we oob?
+  if (end > this.length) end = this.length
+  if (target.length - targetStart < end - start) {
+    end = target.length - targetStart + start
+  }
+
+  var len = end - start
+
+  if (this === target && typeof Uint8Array.prototype.copyWithin === 'function') {
+    // Use built-in when available, missing from IE11
+    this.copyWithin(targetStart, start, end)
+  } else if (this === target && start < targetStart && targetStart < end) {
+    // descending copy from end
+    for (var i = len - 1; i >= 0; --i) {
+      target[i + targetStart] = this[i + start]
+    }
+  } else {
+    Uint8Array.prototype.set.call(
+      target,
+      this.subarray(start, end),
+      targetStart
+    )
+  }
+
+  return len
+}
+
+// Usage:
+//    buffer.fill(number[, offset[, end]])
+//    buffer.fill(buffer[, offset[, end]])
+//    buffer.fill(string[, offset[, end]][, encoding])
+Buffer.prototype.fill = function fill (val, start, end, encoding) {
+  // Handle string cases:
+  if (typeof val === 'string') {
+    if (typeof start === 'string') {
+      encoding = start
+      start = 0
+      end = this.length
+    } else if (typeof end === 'string') {
+      encoding = end
+      end = this.length
+    }
+    if (encoding !== undefined && typeof encoding !== 'string') {
+      throw new TypeError('encoding must be a string')
+    }
+    if (typeof encoding === 'string' && !Buffer.isEncoding(encoding)) {
+      throw new TypeError('Unknown encoding: ' + encoding)
+    }
+    if (val.length === 1) {
+      var code = val.charCodeAt(0)
+      if ((encoding === 'utf8' && code < 128) ||
+          encoding === 'latin1') {
+        // Fast path: If `val` fits into a single byte, use that numeric value.
+        val = code
+      }
+    }
+  } else if (typeof val === 'number') {
+    val = val & 255
+  }
+
+  // Invalid ranges are not set to a default, so can range check early.
+  if (start < 0 || this.length < start || this.length < end) {
+    throw new RangeError('Out of range index')
+  }
+
+  if (end <= start) {
+    return this
+  }
+
+  start = start >>> 0
+  end = end === undefined ? this.length : end >>> 0
+
+  if (!val) val = 0
+
+  var i
+  if (typeof val === 'number') {
+    for (i = start; i < end; ++i) {
+      this[i] = val
+    }
+  } else {
+    var bytes = Buffer.isBuffer(val)
+      ? val
+      : Buffer.from(val, encoding)
+    var len = bytes.length
+    if (len === 0) {
+      throw new TypeError('The value "' + val +
+        '" is invalid for argument "value"')
+    }
+    for (i = 0; i < end - start; ++i) {
+      this[i + start] = bytes[i % len]
+    }
+  }
+
+  return this
+}
+
+// HELPER FUNCTIONS
+// ================
+
+var INVALID_BASE64_RE = /[^+/0-9A-Za-z-_]/g
+
+function base64clean (str) {
+  // Node takes equal signs as end of the Base64 encoding
+  str = str.split('=')[0]
+  // Node strips out invalid characters like \n and \t from the string, base64-js does not
+  str = str.trim().replace(INVALID_BASE64_RE, '')
+  // Node converts strings with length < 2 to ''
+  if (str.length < 2) return ''
+  // Node allows for non-padded base64 strings (missing trailing ===), base64-js does not
+  while (str.length % 4 !== 0) {
+    str = str + '='
+  }
+  return str
+}
+
+function toHex (n) {
+  if (n < 16) return '0' + n.toString(16)
+  return n.toString(16)
+}
+
+function utf8ToBytes (string, units) {
+  units = units || Infinity
+  var codePoint
+  var length = string.length
+  var leadSurrogate = null
+  var bytes = []
+
+  for (var i = 0; i < length; ++i) {
+    codePoint = string.charCodeAt(i)
+
+    // is surrogate component
+    if (codePoint > 0xD7FF && codePoint < 0xE000) {
+      // last char was a lead
+      if (!leadSurrogate) {
+        // no lead yet
+        if (codePoint > 0xDBFF) {
+          // unexpected trail
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        } else if (i + 1 === length) {
+          // unpaired lead
+          if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+          continue
+        }
+
+        // valid lead
+        leadSurrogate = codePoint
+
+        continue
+      }
+
+      // 2 leads in a row
+      if (codePoint < 0xDC00) {
+        if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+        leadSurrogate = codePoint
+        continue
+      }
+
+      // valid surrogate pair
+      codePoint = (leadSurrogate - 0xD800 << 10 | codePoint - 0xDC00) + 0x10000
+    } else if (leadSurrogate) {
+      // valid bmp char, but last char was a lead
+      if ((units -= 3) > -1) bytes.push(0xEF, 0xBF, 0xBD)
+    }
+
+    leadSurrogate = null
+
+    // encode utf8
+    if (codePoint < 0x80) {
+      if ((units -= 1) < 0) break
+      bytes.push(codePoint)
+    } else if (codePoint < 0x800) {
+      if ((units -= 2) < 0) break
+      bytes.push(
+        codePoint >> 0x6 | 0xC0,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x10000) {
+      if ((units -= 3) < 0) break
+      bytes.push(
+        codePoint >> 0xC | 0xE0,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else if (codePoint < 0x110000) {
+      if ((units -= 4) < 0) break
+      bytes.push(
+        codePoint >> 0x12 | 0xF0,
+        codePoint >> 0xC & 0x3F | 0x80,
+        codePoint >> 0x6 & 0x3F | 0x80,
+        codePoint & 0x3F | 0x80
+      )
+    } else {
+      throw new Error('Invalid code point')
+    }
+  }
+
+  return bytes
+}
+
+function asciiToBytes (str) {
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    // Node's code seems to be doing this and not & 0x7F..
+    byteArray.push(str.charCodeAt(i) & 0xFF)
+  }
+  return byteArray
+}
+
+function utf16leToBytes (str, units) {
+  var c, hi, lo
+  var byteArray = []
+  for (var i = 0; i < str.length; ++i) {
+    if ((units -= 2) < 0) break
+
+    c = str.charCodeAt(i)
+    hi = c >> 8
+    lo = c % 256
+    byteArray.push(lo)
+    byteArray.push(hi)
+  }
+
+  return byteArray
+}
+
+function base64ToBytes (str) {
+  return base64.toByteArray(base64clean(str))
+}
+
+function blitBuffer (src, dst, offset, length) {
+  for (var i = 0; i < length; ++i) {
+    if ((i + offset >= dst.length) || (i >= src.length)) break
+    dst[i + offset] = src[i]
+  }
+  return i
+}
+
+// ArrayBuffer or Uint8Array objects from other contexts (i.e. iframes) do not pass
+// the `instanceof` check but they should be treated as of that type.
+// See: https://github.com/feross/buffer/issues/166
+function isInstance (obj, type) {
+  return obj instanceof type ||
+    (obj != null && obj.constructor != null && obj.constructor.name != null &&
+      obj.constructor.name === type.name)
+}
+function numberIsNaN (obj) {
+  // For IE11 support
+  return obj !== obj // eslint-disable-line no-self-compare
+}
+
+}).call(this)}).call(this,require("buffer").Buffer)
+},{"base64-js":2,"buffer":4,"ieee754":297}],5:[function(require,module,exports){
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.attributeRules = void 0;
+var boolbase_1 = __importDefault(require("boolbase"));
+/**
+ * All reserved characters in a regex, used for escaping.
+ *
+ * Taken from XRegExp, (c) 2007-2020 Steven Levithan under the MIT license
+ * https://github.com/slevithan/xregexp/blob/95eeebeb8fac8754d54eafe2b4743661ac1cf028/src/xregexp.js#L794
+ */
+var reChars = /[-[\]{}()*+?.,\\^$|#\s]/g;
+function escapeRegex(value) {
+    return value.replace(reChars, "\\$&");
+}
+/**
+ * Attributes that are case-insensitive in HTML.
+ *
+ * @private
+ * @see https://html.spec.whatwg.org/multipage/semantics-other.html#case-sensitivity-of-selectors
+ */
+var caseInsensitiveAttributes = new Set([
+    "accept",
+    "accept-charset",
+    "align",
+    "alink",
+    "axis",
+    "bgcolor",
+    "charset",
+    "checked",
+    "clear",
+    "codetype",
+    "color",
+    "compact",
+    "declare",
+    "defer",
+    "dir",
+    "direction",
+    "disabled",
+    "enctype",
+    "face",
+    "frame",
+    "hreflang",
+    "http-equiv",
+    "lang",
+    "language",
+    "link",
+    "media",
+    "method",
+    "multiple",
+    "nohref",
+    "noresize",
+    "noshade",
+    "nowrap",
+    "readonly",
+    "rel",
+    "rev",
+    "rules",
+    "scope",
+    "scrolling",
+    "selected",
+    "shape",
+    "target",
+    "text",
+    "type",
+    "valign",
+    "valuetype",
+    "vlink",
+]);
+function shouldIgnoreCase(selector, options) {
+    return typeof selector.ignoreCase === "boolean"
+        ? selector.ignoreCase
+        : selector.ignoreCase === "quirks"
+            ? !!options.quirksMode
+            : !options.xmlMode && caseInsensitiveAttributes.has(selector.name);
+}
+/**
+ * Attribute selectors
+ */
+exports.attributeRules = {
+    equals: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name;
+        var value = data.value;
+        if (shouldIgnoreCase(data, options)) {
+            value = value.toLowerCase();
+            return function (elem) {
+                var attr = adapter.getAttributeValue(elem, name);
+                return (attr != null &&
+                    attr.length === value.length &&
+                    attr.toLowerCase() === value &&
+                    next(elem));
+            };
+        }
+        return function (elem) {
+            return adapter.getAttributeValue(elem, name) === value && next(elem);
+        };
+    },
+    hyphen: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name;
+        var value = data.value;
+        var len = value.length;
+        if (shouldIgnoreCase(data, options)) {
+            value = value.toLowerCase();
+            return function hyphenIC(elem) {
+                var attr = adapter.getAttributeValue(elem, name);
+                return (attr != null &&
+                    (attr.length === len || attr.charAt(len) === "-") &&
+                    attr.substr(0, len).toLowerCase() === value &&
+                    next(elem));
+            };
+        }
+        return function hyphen(elem) {
+            var attr = adapter.getAttributeValue(elem, name);
+            return (attr != null &&
+                (attr.length === len || attr.charAt(len) === "-") &&
+                attr.substr(0, len) === value &&
+                next(elem));
+        };
+    },
+    element: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name, value = data.value;
+        if (/\s/.test(value)) {
+            return boolbase_1.default.falseFunc;
+        }
+        var regex = new RegExp("(?:^|\\s)".concat(escapeRegex(value), "(?:$|\\s)"), shouldIgnoreCase(data, options) ? "i" : "");
+        return function element(elem) {
+            var attr = adapter.getAttributeValue(elem, name);
+            return (attr != null &&
+                attr.length >= value.length &&
+                regex.test(attr) &&
+                next(elem));
+        };
+    },
+    exists: function (next, _a, _b) {
+        var name = _a.name;
+        var adapter = _b.adapter;
+        return function (elem) { return adapter.hasAttrib(elem, name) && next(elem); };
+    },
+    start: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name;
+        var value = data.value;
+        var len = value.length;
+        if (len === 0) {
+            return boolbase_1.default.falseFunc;
+        }
+        if (shouldIgnoreCase(data, options)) {
+            value = value.toLowerCase();
+            return function (elem) {
+                var attr = adapter.getAttributeValue(elem, name);
+                return (attr != null &&
+                    attr.length >= len &&
+                    attr.substr(0, len).toLowerCase() === value &&
+                    next(elem));
+            };
+        }
+        return function (elem) {
+            var _a;
+            return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.startsWith(value)) &&
+                next(elem);
+        };
+    },
+    end: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name;
+        var value = data.value;
+        var len = -value.length;
+        if (len === 0) {
+            return boolbase_1.default.falseFunc;
+        }
+        if (shouldIgnoreCase(data, options)) {
+            value = value.toLowerCase();
+            return function (elem) {
+                var _a;
+                return ((_a = adapter
+                    .getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.substr(len).toLowerCase()) === value && next(elem);
+            };
+        }
+        return function (elem) {
+            var _a;
+            return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.endsWith(value)) &&
+                next(elem);
+        };
+    },
+    any: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name, value = data.value;
+        if (value === "") {
+            return boolbase_1.default.falseFunc;
+        }
+        if (shouldIgnoreCase(data, options)) {
+            var regex_1 = new RegExp(escapeRegex(value), "i");
+            return function anyIC(elem) {
+                var attr = adapter.getAttributeValue(elem, name);
+                return (attr != null &&
+                    attr.length >= value.length &&
+                    regex_1.test(attr) &&
+                    next(elem));
+            };
+        }
+        return function (elem) {
+            var _a;
+            return !!((_a = adapter.getAttributeValue(elem, name)) === null || _a === void 0 ? void 0 : _a.includes(value)) &&
+                next(elem);
+        };
+    },
+    not: function (next, data, options) {
+        var adapter = options.adapter;
+        var name = data.name;
+        var value = data.value;
+        if (value === "") {
+            return function (elem) {
+                return !!adapter.getAttributeValue(elem, name) && next(elem);
+            };
+        }
+        else if (shouldIgnoreCase(data, options)) {
+            value = value.toLowerCase();
+            return function (elem) {
+                var attr = adapter.getAttributeValue(elem, name);
+                return ((attr == null ||
+                    attr.length !== value.length ||
+                    attr.toLowerCase() !== value) &&
+                    next(elem));
+            };
+        }
+        return function (elem) {
+            return adapter.getAttributeValue(elem, name) !== value && next(elem);
+        };
+    },
+};
+
+},{"boolbase":3}],6:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compileToken = exports.compileUnsafe = exports.compile = void 0;
+var css_what_1 = require("css-what");
+var boolbase_1 = __importDefault(require("boolbase"));
+var sort_js_1 = __importStar(require("./sort.js"));
+var general_js_1 = require("./general.js");
+var subselects_js_1 = require("./pseudo-selectors/subselects.js");
+/**
+ * Compiles a selector to an executable function.
+ *
+ * @param selector Selector to compile.
+ * @param options Compilation options.
+ * @param context Optional context for the selector.
+ */
+function compile(selector, options, context) {
+    var next = compileUnsafe(selector, options, context);
+    return (0, subselects_js_1.ensureIsTag)(next, options.adapter);
+}
+exports.compile = compile;
+function compileUnsafe(selector, options, context) {
+    var token = typeof selector === "string" ? (0, css_what_1.parse)(selector) : selector;
+    return compileToken(token, options, context);
+}
+exports.compileUnsafe = compileUnsafe;
+function includesScopePseudo(t) {
+    return (t.type === css_what_1.SelectorType.Pseudo &&
+        (t.name === "scope" ||
+            (Array.isArray(t.data) &&
+                t.data.some(function (data) { return data.some(includesScopePseudo); }))));
+}
+var DESCENDANT_TOKEN = { type: css_what_1.SelectorType.Descendant };
+var FLEXIBLE_DESCENDANT_TOKEN = {
+    type: "_flexibleDescendant",
+};
+var SCOPE_TOKEN = {
+    type: css_what_1.SelectorType.Pseudo,
+    name: "scope",
+    data: null,
+};
+/*
+ * CSS 4 Spec (Draft): 3.4.1. Absolutizing a Relative Selector
+ * http://www.w3.org/TR/selectors4/#absolutizing
+ */
+function absolutize(token, _a, context) {
+    var adapter = _a.adapter;
+    // TODO Use better check if the context is a document
+    var hasContext = !!(context === null || context === void 0 ? void 0 : context.every(function (e) {
+        var parent = adapter.isTag(e) && adapter.getParent(e);
+        return e === subselects_js_1.PLACEHOLDER_ELEMENT || (parent && adapter.isTag(parent));
+    }));
+    for (var _i = 0, token_1 = token; _i < token_1.length; _i++) {
+        var t = token_1[_i];
+        if (t.length > 0 &&
+            (0, sort_js_1.isTraversal)(t[0]) &&
+            t[0].type !== css_what_1.SelectorType.Descendant) {
+            // Don't continue in else branch
+        }
+        else if (hasContext && !t.some(includesScopePseudo)) {
+            t.unshift(DESCENDANT_TOKEN);
+        }
+        else {
+            continue;
+        }
+        t.unshift(SCOPE_TOKEN);
+    }
+}
+function compileToken(token, options, context) {
+    var _a;
+    token.forEach(sort_js_1.default);
+    context = (_a = options.context) !== null && _a !== void 0 ? _a : context;
+    var isArrayContext = Array.isArray(context);
+    var finalContext = context && (Array.isArray(context) ? context : [context]);
+    // Check if the selector is relative
+    if (options.relativeSelector !== false) {
+        absolutize(token, options, finalContext);
+    }
+    else if (token.some(function (t) { return t.length > 0 && (0, sort_js_1.isTraversal)(t[0]); })) {
+        throw new Error("Relative selectors are not allowed when the `relativeSelector` option is disabled");
+    }
+    var shouldTestNextSiblings = false;
+    var query = token
+        .map(function (rules) {
+        if (rules.length >= 2) {
+            var first = rules[0], second = rules[1];
+            if (first.type !== css_what_1.SelectorType.Pseudo ||
+                first.name !== "scope") {
+                // Ignore
+            }
+            else if (isArrayContext &&
+                second.type === css_what_1.SelectorType.Descendant) {
+                rules[1] = FLEXIBLE_DESCENDANT_TOKEN;
+            }
+            else if (second.type === css_what_1.SelectorType.Adjacent ||
+                second.type === css_what_1.SelectorType.Sibling) {
+                shouldTestNextSiblings = true;
+            }
+        }
+        return compileRules(rules, options, finalContext);
+    })
+        .reduce(reduceRules, boolbase_1.default.falseFunc);
+    query.shouldTestNextSiblings = shouldTestNextSiblings;
+    return query;
+}
+exports.compileToken = compileToken;
+function compileRules(rules, options, context) {
+    var _a;
+    return rules.reduce(function (previous, rule) {
+        return previous === boolbase_1.default.falseFunc
+            ? boolbase_1.default.falseFunc
+            : (0, general_js_1.compileGeneralSelector)(previous, rule, options, context, compileToken);
+    }, (_a = options.rootFunc) !== null && _a !== void 0 ? _a : boolbase_1.default.trueFunc);
+}
+function reduceRules(a, b) {
+    if (b === boolbase_1.default.falseFunc || a === boolbase_1.default.trueFunc) {
+        return a;
+    }
+    if (a === boolbase_1.default.falseFunc || b === boolbase_1.default.trueFunc) {
+        return b;
+    }
+    return function combine(elem) {
+        return a(elem) || b(elem);
+    };
+}
+
+},{"./general.js":7,"./pseudo-selectors/subselects.js":13,"./sort.js":14,"boolbase":3,"css-what":124}],7:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compileGeneralSelector = void 0;
+var attributes_js_1 = require("./attributes.js");
+var index_js_1 = require("./pseudo-selectors/index.js");
+var css_what_1 = require("css-what");
+function getElementParent(node, adapter) {
+    var parent = adapter.getParent(node);
+    if (parent && adapter.isTag(parent)) {
+        return parent;
+    }
+    return null;
+}
+/*
+ * All available rules
+ */
+function compileGeneralSelector(next, selector, options, context, compileToken) {
+    var adapter = options.adapter, equals = options.equals;
+    switch (selector.type) {
+        case css_what_1.SelectorType.PseudoElement: {
+            throw new Error("Pseudo-elements are not supported by css-select");
+        }
+        case css_what_1.SelectorType.ColumnCombinator: {
+            throw new Error("Column combinators are not yet supported by css-select");
+        }
+        case css_what_1.SelectorType.Attribute: {
+            if (selector.namespace != null) {
+                throw new Error("Namespaced attributes are not yet supported by css-select");
+            }
+            if (!options.xmlMode || options.lowerCaseAttributeNames) {
+                selector.name = selector.name.toLowerCase();
+            }
+            return attributes_js_1.attributeRules[selector.action](next, selector, options);
+        }
+        case css_what_1.SelectorType.Pseudo: {
+            return (0, index_js_1.compilePseudoSelector)(next, selector, options, context, compileToken);
+        }
+        // Tags
+        case css_what_1.SelectorType.Tag: {
+            if (selector.namespace != null) {
+                throw new Error("Namespaced tag names are not yet supported by css-select");
+            }
+            var name_1 = selector.name;
+            if (!options.xmlMode || options.lowerCaseTags) {
+                name_1 = name_1.toLowerCase();
+            }
+            return function tag(elem) {
+                return adapter.getName(elem) === name_1 && next(elem);
+            };
+        }
+        // Traversal
+        case css_what_1.SelectorType.Descendant: {
+            if (options.cacheResults === false ||
+                typeof WeakSet === "undefined") {
+                return function descendant(elem) {
+                    var current = elem;
+                    while ((current = getElementParent(current, adapter))) {
+                        if (next(current)) {
+                            return true;
+                        }
+                    }
+                    return false;
+                };
+            }
+            // @ts-expect-error `ElementNode` is not extending object
+            var isFalseCache_1 = new WeakSet();
+            return function cachedDescendant(elem) {
+                var current = elem;
+                while ((current = getElementParent(current, adapter))) {
+                    if (!isFalseCache_1.has(current)) {
+                        if (adapter.isTag(current) && next(current)) {
+                            return true;
+                        }
+                        isFalseCache_1.add(current);
+                    }
+                }
+                return false;
+            };
+        }
+        case "_flexibleDescendant": {
+            // Include element itself, only used while querying an array
+            return function flexibleDescendant(elem) {
+                var current = elem;
+                do {
+                    if (next(current))
+                        return true;
+                } while ((current = getElementParent(current, adapter)));
+                return false;
+            };
+        }
+        case css_what_1.SelectorType.Parent: {
+            return function parent(elem) {
+                return adapter
+                    .getChildren(elem)
+                    .some(function (elem) { return adapter.isTag(elem) && next(elem); });
+            };
+        }
+        case css_what_1.SelectorType.Child: {
+            return function child(elem) {
+                var parent = adapter.getParent(elem);
+                return parent != null && adapter.isTag(parent) && next(parent);
+            };
+        }
+        case css_what_1.SelectorType.Sibling: {
+            return function sibling(elem) {
+                var siblings = adapter.getSiblings(elem);
+                for (var i = 0; i < siblings.length; i++) {
+                    var currentSibling = siblings[i];
+                    if (equals(elem, currentSibling))
+                        break;
+                    if (adapter.isTag(currentSibling) && next(currentSibling)) {
+                        return true;
+                    }
+                }
+                return false;
+            };
+        }
+        case css_what_1.SelectorType.Adjacent: {
+            if (adapter.prevElementSibling) {
+                return function adjacent(elem) {
+                    var previous = adapter.prevElementSibling(elem);
+                    return previous != null && next(previous);
+                };
+            }
+            return function adjacent(elem) {
+                var siblings = adapter.getSiblings(elem);
+                var lastElement;
+                for (var i = 0; i < siblings.length; i++) {
+                    var currentSibling = siblings[i];
+                    if (equals(elem, currentSibling))
+                        break;
+                    if (adapter.isTag(currentSibling)) {
+                        lastElement = currentSibling;
+                    }
+                }
+                return !!lastElement && next(lastElement);
+            };
+        }
+        case css_what_1.SelectorType.Universal: {
+            if (selector.namespace != null && selector.namespace !== "*") {
+                throw new Error("Namespaced universal selectors are not yet supported by css-select");
+            }
+            return next;
+        }
+    }
+}
+exports.compileGeneralSelector = compileGeneralSelector;
+
+},{"./attributes.js":5,"./pseudo-selectors/index.js":11,"css-what":124}],8:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.aliases = exports.pseudos = exports.filters = exports.is = exports.selectOne = exports.selectAll = exports.prepareContext = exports._compileToken = exports._compileUnsafe = exports.compile = void 0;
+var DomUtils = __importStar(require("domutils"));
+var boolbase_1 = __importDefault(require("boolbase"));
+var compile_js_1 = require("./compile.js");
+var subselects_js_1 = require("./pseudo-selectors/subselects.js");
+var defaultEquals = function (a, b) { return a === b; };
+var defaultOptions = {
+    adapter: DomUtils,
+    equals: defaultEquals,
+};
+function convertOptionFormats(options) {
+    var _a, _b, _c, _d;
+    /*
+     * We force one format of options to the other one.
+     */
+    // @ts-expect-error Default options may have incompatible `Node` / `ElementNode`.
+    var opts = options !== null && options !== void 0 ? options : defaultOptions;
+    // @ts-expect-error Same as above.
+    (_a = opts.adapter) !== null && _a !== void 0 ? _a : (opts.adapter = DomUtils);
+    // @ts-expect-error `equals` does not exist on `Options`
+    (_b = opts.equals) !== null && _b !== void 0 ? _b : (opts.equals = (_d = (_c = opts.adapter) === null || _c === void 0 ? void 0 : _c.equals) !== null && _d !== void 0 ? _d : defaultEquals);
+    return opts;
+}
+function wrapCompile(func) {
+    return function addAdapter(selector, options, context) {
+        var opts = convertOptionFormats(options);
+        return func(selector, opts, context);
+    };
+}
+/**
+ * Compiles the query, returns a function.
+ */
+exports.compile = wrapCompile(compile_js_1.compile);
+exports._compileUnsafe = wrapCompile(compile_js_1.compileUnsafe);
+exports._compileToken = wrapCompile(compile_js_1.compileToken);
+function getSelectorFunc(searchFunc) {
+    return function select(query, elements, options) {
+        var opts = convertOptionFormats(options);
+        if (typeof query !== "function") {
+            query = (0, compile_js_1.compileUnsafe)(query, opts, elements);
+        }
+        var filteredElements = prepareContext(elements, opts.adapter, query.shouldTestNextSiblings);
+        return searchFunc(query, filteredElements, opts);
+    };
+}
+function prepareContext(elems, adapter, shouldTestNextSiblings) {
+    if (shouldTestNextSiblings === void 0) { shouldTestNextSiblings = false; }
+    /*
+     * Add siblings if the query requires them.
+     * See https://github.com/fb55/css-select/pull/43#issuecomment-225414692
+     */
+    if (shouldTestNextSiblings) {
+        elems = appendNextSiblings(elems, adapter);
+    }
+    return Array.isArray(elems)
+        ? adapter.removeSubsets(elems)
+        : adapter.getChildren(elems);
+}
+exports.prepareContext = prepareContext;
+function appendNextSiblings(elem, adapter) {
+    // Order matters because jQuery seems to check the children before the siblings
+    var elems = Array.isArray(elem) ? elem.slice(0) : [elem];
+    var elemsLength = elems.length;
+    for (var i = 0; i < elemsLength; i++) {
+        var nextSiblings = (0, subselects_js_1.getNextSiblings)(elems[i], adapter);
+        elems.push.apply(elems, nextSiblings);
+    }
+    return elems;
+}
+/**
+ * @template Node The generic Node type for the DOM adapter being used.
+ * @template ElementNode The Node type for elements for the DOM adapter being used.
+ * @param elems Elements to query. If it is an element, its children will be queried..
+ * @param query can be either a CSS selector string or a compiled query function.
+ * @param [options] options for querying the document.
+ * @see compile for supported selector queries.
+ * @returns All matching elements.
+ *
+ */
+exports.selectAll = getSelectorFunc(function (query, elems, options) {
+    return query === boolbase_1.default.falseFunc || !elems || elems.length === 0
+        ? []
+        : options.adapter.findAll(query, elems);
+});
+/**
+ * @template Node The generic Node type for the DOM adapter being used.
+ * @template ElementNode The Node type for elements for the DOM adapter being used.
+ * @param elems Elements to query. If it is an element, its children will be queried..
+ * @param query can be either a CSS selector string or a compiled query function.
+ * @param [options] options for querying the document.
+ * @see compile for supported selector queries.
+ * @returns the first match, or null if there was no match.
+ */
+exports.selectOne = getSelectorFunc(function (query, elems, options) {
+    return query === boolbase_1.default.falseFunc || !elems || elems.length === 0
+        ? null
+        : options.adapter.findOne(query, elems);
+});
+/**
+ * Tests whether or not an element is matched by query.
+ *
+ * @template Node The generic Node type for the DOM adapter being used.
+ * @template ElementNode The Node type for elements for the DOM adapter being used.
+ * @param elem The element to test if it matches the query.
+ * @param query can be either a CSS selector string or a compiled query function.
+ * @param [options] options for querying the document.
+ * @see compile for supported selector queries.
+ * @returns
+ */
+function is(elem, query, options) {
+    var opts = convertOptionFormats(options);
+    return (typeof query === "function" ? query : (0, compile_js_1.compile)(query, opts))(elem);
+}
+exports.is = is;
+/**
+ * Alias for selectAll(query, elems, options).
+ * @see [compile] for supported selector queries.
+ */
+exports.default = exports.selectAll;
+// Export filters, pseudos and aliases to allow users to supply their own.
+/** @deprecated Use the `pseudos` option instead. */
+var index_js_1 = require("./pseudo-selectors/index.js");
+Object.defineProperty(exports, "filters", { enumerable: true, get: function () { return index_js_1.filters; } });
+Object.defineProperty(exports, "pseudos", { enumerable: true, get: function () { return index_js_1.pseudos; } });
+Object.defineProperty(exports, "aliases", { enumerable: true, get: function () { return index_js_1.aliases; } });
+
+},{"./compile.js":6,"./pseudo-selectors/index.js":11,"./pseudo-selectors/subselects.js":13,"boolbase":3,"domutils":283}],9:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.aliases = void 0;
+/**
+ * Aliases are pseudos that are expressed as selectors.
+ */
+exports.aliases = {
+    // Links
+    "any-link": ":is(a, area, link)[href]",
+    link: ":any-link:not(:visited)",
+    // Forms
+    // https://html.spec.whatwg.org/multipage/scripting.html#disabled-elements
+    disabled: ":is(\n        :is(button, input, select, textarea, optgroup, option)[disabled],\n        optgroup[disabled] > option,\n        fieldset[disabled]:not(fieldset[disabled] legend:first-of-type *)\n    )",
+    enabled: ":not(:disabled)",
+    checked: ":is(:is(input[type=radio], input[type=checkbox])[checked], option:selected)",
+    required: ":is(input, select, textarea)[required]",
+    optional: ":is(input, select, textarea):not([required])",
+    // JQuery extensions
+    // https://html.spec.whatwg.org/multipage/form-elements.html#concept-option-selectedness
+    selected: "option:is([selected], select:not([multiple]):not(:has(> option[selected])) > :first-of-type)",
+    checkbox: "[type=checkbox]",
+    file: "[type=file]",
+    password: "[type=password]",
+    radio: "[type=radio]",
+    reset: "[type=reset]",
+    image: "[type=image]",
+    submit: "[type=submit]",
+    parent: ":not(:empty)",
+    header: ":is(h1, h2, h3, h4, h5, h6)",
+    button: ":is(button, input[type=button])",
+    input: ":is(input, textarea, select, button)",
+    text: "input:is(:not([type!='']), [type=text])",
+};
+
+},{}],10:[function(require,module,exports){
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.filters = void 0;
+var nth_check_1 = __importDefault(require("nth-check"));
+var boolbase_1 = __importDefault(require("boolbase"));
+function getChildFunc(next, adapter) {
+    return function (elem) {
+        var parent = adapter.getParent(elem);
+        return parent != null && adapter.isTag(parent) && next(elem);
+    };
+}
+exports.filters = {
+    contains: function (next, text, _a) {
+        var adapter = _a.adapter;
+        return function contains(elem) {
+            return next(elem) && adapter.getText(elem).includes(text);
+        };
+    },
+    icontains: function (next, text, _a) {
+        var adapter = _a.adapter;
+        var itext = text.toLowerCase();
+        return function icontains(elem) {
+            return (next(elem) &&
+                adapter.getText(elem).toLowerCase().includes(itext));
+        };
+    },
+    // Location specific methods
+    "nth-child": function (next, rule, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var func = (0, nth_check_1.default)(rule);
+        if (func === boolbase_1.default.falseFunc)
+            return boolbase_1.default.falseFunc;
+        if (func === boolbase_1.default.trueFunc)
+            return getChildFunc(next, adapter);
+        return function nthChild(elem) {
+            var siblings = adapter.getSiblings(elem);
+            var pos = 0;
+            for (var i = 0; i < siblings.length; i++) {
+                if (equals(elem, siblings[i]))
+                    break;
+                if (adapter.isTag(siblings[i])) {
+                    pos++;
+                }
+            }
+            return func(pos) && next(elem);
+        };
+    },
+    "nth-last-child": function (next, rule, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var func = (0, nth_check_1.default)(rule);
+        if (func === boolbase_1.default.falseFunc)
+            return boolbase_1.default.falseFunc;
+        if (func === boolbase_1.default.trueFunc)
+            return getChildFunc(next, adapter);
+        return function nthLastChild(elem) {
+            var siblings = adapter.getSiblings(elem);
+            var pos = 0;
+            for (var i = siblings.length - 1; i >= 0; i--) {
+                if (equals(elem, siblings[i]))
+                    break;
+                if (adapter.isTag(siblings[i])) {
+                    pos++;
+                }
+            }
+            return func(pos) && next(elem);
+        };
+    },
+    "nth-of-type": function (next, rule, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var func = (0, nth_check_1.default)(rule);
+        if (func === boolbase_1.default.falseFunc)
+            return boolbase_1.default.falseFunc;
+        if (func === boolbase_1.default.trueFunc)
+            return getChildFunc(next, adapter);
+        return function nthOfType(elem) {
+            var siblings = adapter.getSiblings(elem);
+            var pos = 0;
+            for (var i = 0; i < siblings.length; i++) {
+                var currentSibling = siblings[i];
+                if (equals(elem, currentSibling))
+                    break;
+                if (adapter.isTag(currentSibling) &&
+                    adapter.getName(currentSibling) === adapter.getName(elem)) {
+                    pos++;
+                }
+            }
+            return func(pos) && next(elem);
+        };
+    },
+    "nth-last-of-type": function (next, rule, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var func = (0, nth_check_1.default)(rule);
+        if (func === boolbase_1.default.falseFunc)
+            return boolbase_1.default.falseFunc;
+        if (func === boolbase_1.default.trueFunc)
+            return getChildFunc(next, adapter);
+        return function nthLastOfType(elem) {
+            var siblings = adapter.getSiblings(elem);
+            var pos = 0;
+            for (var i = siblings.length - 1; i >= 0; i--) {
+                var currentSibling = siblings[i];
+                if (equals(elem, currentSibling))
+                    break;
+                if (adapter.isTag(currentSibling) &&
+                    adapter.getName(currentSibling) === adapter.getName(elem)) {
+                    pos++;
+                }
+            }
+            return func(pos) && next(elem);
+        };
+    },
+    // TODO determine the actual root element
+    root: function (next, _rule, _a) {
+        var adapter = _a.adapter;
+        return function (elem) {
+            var parent = adapter.getParent(elem);
+            return (parent == null || !adapter.isTag(parent)) && next(elem);
+        };
+    },
+    scope: function (next, rule, options, context) {
+        var equals = options.equals;
+        if (!context || context.length === 0) {
+            // Equivalent to :root
+            return exports.filters["root"](next, rule, options);
+        }
+        if (context.length === 1) {
+            // NOTE: can't be unpacked, as :has uses this for side-effects
+            return function (elem) { return equals(context[0], elem) && next(elem); };
+        }
+        return function (elem) { return context.includes(elem) && next(elem); };
+    },
+    hover: dynamicStatePseudo("isHovered"),
+    visited: dynamicStatePseudo("isVisited"),
+    active: dynamicStatePseudo("isActive"),
+};
+/**
+ * Dynamic state pseudos. These depend on optional Adapter methods.
+ *
+ * @param name The name of the adapter method to call.
+ * @returns Pseudo for the `filters` object.
+ */
+function dynamicStatePseudo(name) {
+    return function dynamicPseudo(next, _rule, _a) {
+        var adapter = _a.adapter;
+        var func = adapter[name];
+        if (typeof func !== "function") {
+            return boolbase_1.default.falseFunc;
+        }
+        return function active(elem) {
+            return func(elem) && next(elem);
+        };
+    };
+}
+
+},{"boolbase":3,"nth-check":311}],11:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.compilePseudoSelector = exports.aliases = exports.pseudos = exports.filters = void 0;
+var css_what_1 = require("css-what");
+var filters_js_1 = require("./filters.js");
+Object.defineProperty(exports, "filters", { enumerable: true, get: function () { return filters_js_1.filters; } });
+var pseudos_js_1 = require("./pseudos.js");
+Object.defineProperty(exports, "pseudos", { enumerable: true, get: function () { return pseudos_js_1.pseudos; } });
+var aliases_js_1 = require("./aliases.js");
+Object.defineProperty(exports, "aliases", { enumerable: true, get: function () { return aliases_js_1.aliases; } });
+var subselects_js_1 = require("./subselects.js");
+function compilePseudoSelector(next, selector, options, context, compileToken) {
+    var _a;
+    var name = selector.name, data = selector.data;
+    if (Array.isArray(data)) {
+        if (!(name in subselects_js_1.subselects)) {
+            throw new Error("Unknown pseudo-class :".concat(name, "(").concat(data, ")"));
+        }
+        return subselects_js_1.subselects[name](next, data, options, context, compileToken);
+    }
+    var userPseudo = (_a = options.pseudos) === null || _a === void 0 ? void 0 : _a[name];
+    var stringPseudo = typeof userPseudo === "string" ? userPseudo : aliases_js_1.aliases[name];
+    if (typeof stringPseudo === "string") {
+        if (data != null) {
+            throw new Error("Pseudo ".concat(name, " doesn't have any arguments"));
+        }
+        // The alias has to be parsed here, to make sure options are respected.
+        var alias = (0, css_what_1.parse)(stringPseudo);
+        return subselects_js_1.subselects["is"](next, alias, options, context, compileToken);
+    }
+    if (typeof userPseudo === "function") {
+        (0, pseudos_js_1.verifyPseudoArgs)(userPseudo, name, data, 1);
+        return function (elem) { return userPseudo(elem, data) && next(elem); };
+    }
+    if (name in filters_js_1.filters) {
+        return filters_js_1.filters[name](next, data, options, context);
+    }
+    if (name in pseudos_js_1.pseudos) {
+        var pseudo_1 = pseudos_js_1.pseudos[name];
+        (0, pseudos_js_1.verifyPseudoArgs)(pseudo_1, name, data, 2);
+        return function (elem) { return pseudo_1(elem, options, data) && next(elem); };
+    }
+    throw new Error("Unknown pseudo-class :".concat(name));
+}
+exports.compilePseudoSelector = compilePseudoSelector;
+
+},{"./aliases.js":9,"./filters.js":10,"./pseudos.js":12,"./subselects.js":13,"css-what":124}],12:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.verifyPseudoArgs = exports.pseudos = void 0;
+// While filters are precompiled, pseudos get called when they are needed
+exports.pseudos = {
+    empty: function (elem, _a) {
+        var adapter = _a.adapter;
+        return !adapter.getChildren(elem).some(function (elem) {
+            // FIXME: `getText` call is potentially expensive.
+            return adapter.isTag(elem) || adapter.getText(elem) !== "";
+        });
+    },
+    "first-child": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        if (adapter.prevElementSibling) {
+            return adapter.prevElementSibling(elem) == null;
+        }
+        var firstChild = adapter
+            .getSiblings(elem)
+            .find(function (elem) { return adapter.isTag(elem); });
+        return firstChild != null && equals(elem, firstChild);
+    },
+    "last-child": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var siblings = adapter.getSiblings(elem);
+        for (var i = siblings.length - 1; i >= 0; i--) {
+            if (equals(elem, siblings[i]))
+                return true;
+            if (adapter.isTag(siblings[i]))
+                break;
+        }
+        return false;
+    },
+    "first-of-type": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var siblings = adapter.getSiblings(elem);
+        var elemName = adapter.getName(elem);
+        for (var i = 0; i < siblings.length; i++) {
+            var currentSibling = siblings[i];
+            if (equals(elem, currentSibling))
+                return true;
+            if (adapter.isTag(currentSibling) &&
+                adapter.getName(currentSibling) === elemName) {
+                break;
+            }
+        }
+        return false;
+    },
+    "last-of-type": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var siblings = adapter.getSiblings(elem);
+        var elemName = adapter.getName(elem);
+        for (var i = siblings.length - 1; i >= 0; i--) {
+            var currentSibling = siblings[i];
+            if (equals(elem, currentSibling))
+                return true;
+            if (adapter.isTag(currentSibling) &&
+                adapter.getName(currentSibling) === elemName) {
+                break;
+            }
+        }
+        return false;
+    },
+    "only-of-type": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        var elemName = adapter.getName(elem);
+        return adapter
+            .getSiblings(elem)
+            .every(function (sibling) {
+            return equals(elem, sibling) ||
+                !adapter.isTag(sibling) ||
+                adapter.getName(sibling) !== elemName;
+        });
+    },
+    "only-child": function (elem, _a) {
+        var adapter = _a.adapter, equals = _a.equals;
+        return adapter
+            .getSiblings(elem)
+            .every(function (sibling) { return equals(elem, sibling) || !adapter.isTag(sibling); });
+    },
+};
+function verifyPseudoArgs(func, name, subselect, argIndex) {
+    if (subselect === null) {
+        if (func.length > argIndex) {
+            throw new Error("Pseudo-class :".concat(name, " requires an argument"));
+        }
+    }
+    else if (func.length === argIndex) {
+        throw new Error("Pseudo-class :".concat(name, " doesn't have any arguments"));
+    }
+}
+exports.verifyPseudoArgs = verifyPseudoArgs;
+
+},{}],13:[function(require,module,exports){
+"use strict";
+var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
+    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
+        if (ar || !(i in from)) {
+            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
+            ar[i] = from[i];
+        }
+    }
+    return to.concat(ar || Array.prototype.slice.call(from));
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.subselects = exports.getNextSiblings = exports.ensureIsTag = exports.PLACEHOLDER_ELEMENT = void 0;
+var boolbase_1 = __importDefault(require("boolbase"));
+var sort_js_1 = require("../sort.js");
+/** Used as a placeholder for :has. Will be replaced with the actual element. */
+exports.PLACEHOLDER_ELEMENT = {};
+function ensureIsTag(next, adapter) {
+    if (next === boolbase_1.default.falseFunc)
+        return boolbase_1.default.falseFunc;
+    return function (elem) { return adapter.isTag(elem) && next(elem); };
+}
+exports.ensureIsTag = ensureIsTag;
+function getNextSiblings(elem, adapter) {
+    var siblings = adapter.getSiblings(elem);
+    if (siblings.length <= 1)
+        return [];
+    var elemIndex = siblings.indexOf(elem);
+    if (elemIndex < 0 || elemIndex === siblings.length - 1)
+        return [];
+    return siblings.slice(elemIndex + 1).filter(adapter.isTag);
+}
+exports.getNextSiblings = getNextSiblings;
+function copyOptions(options) {
+    // Not copied: context, rootFunc
+    return {
+        xmlMode: !!options.xmlMode,
+        lowerCaseAttributeNames: !!options.lowerCaseAttributeNames,
+        lowerCaseTags: !!options.lowerCaseTags,
+        quirksMode: !!options.quirksMode,
+        cacheResults: !!options.cacheResults,
+        pseudos: options.pseudos,
+        adapter: options.adapter,
+        equals: options.equals,
+    };
+}
+var is = function (next, token, options, context, compileToken) {
+    var func = compileToken(token, copyOptions(options), context);
+    return func === boolbase_1.default.trueFunc
+        ? next
+        : func === boolbase_1.default.falseFunc
+            ? boolbase_1.default.falseFunc
+            : function (elem) { return func(elem) && next(elem); };
+};
+/*
+ * :not, :has, :is, :matches and :where have to compile selectors
+ * doing this in src/pseudos.ts would lead to circular dependencies,
+ * so we add them here
+ */
+exports.subselects = {
+    is: is,
+    /**
+     * `:matches` and `:where` are aliases for `:is`.
+     */
+    matches: is,
+    where: is,
+    not: function (next, token, options, context, compileToken) {
+        var func = compileToken(token, copyOptions(options), context);
+        return func === boolbase_1.default.falseFunc
+            ? next
+            : func === boolbase_1.default.trueFunc
+                ? boolbase_1.default.falseFunc
+                : function (elem) { return !func(elem) && next(elem); };
+    },
+    has: function (next, subselect, options, _context, compileToken) {
+        var adapter = options.adapter;
+        var opts = copyOptions(options);
+        opts.relativeSelector = true;
+        var context = subselect.some(function (s) { return s.some(sort_js_1.isTraversal); })
+            ? // Used as a placeholder. Will be replaced with the actual element.
+                [exports.PLACEHOLDER_ELEMENT]
+            : undefined;
+        var compiled = compileToken(subselect, opts, context);
+        if (compiled === boolbase_1.default.falseFunc)
+            return boolbase_1.default.falseFunc;
+        var hasElement = ensureIsTag(compiled, adapter);
+        // If `compiled` is `trueFunc`, we can skip this.
+        if (context && compiled !== boolbase_1.default.trueFunc) {
+            /*
+             * `shouldTestNextSiblings` will only be true if the query starts with
+             * a traversal (sibling or adjacent). That means we will always have a context.
+             */
+            var _a = compiled.shouldTestNextSiblings, shouldTestNextSiblings_1 = _a === void 0 ? false : _a;
+            return function (elem) {
+                if (!next(elem))
+                    return false;
+                context[0] = elem;
+                var childs = adapter.getChildren(elem);
+                var nextElements = shouldTestNextSiblings_1
+                    ? __spreadArray(__spreadArray([], childs, true), getNextSiblings(elem, adapter), true) : childs;
+                return adapter.existsOne(hasElement, nextElements);
+            };
+        }
+        return function (elem) {
+            return next(elem) &&
+                adapter.existsOne(hasElement, adapter.getChildren(elem));
+        };
+    },
+};
+
+},{"../sort.js":14,"boolbase":3}],14:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.isTraversal = void 0;
+var css_what_1 = require("css-what");
+var procedure = new Map([
+    [css_what_1.SelectorType.Universal, 50],
+    [css_what_1.SelectorType.Tag, 30],
+    [css_what_1.SelectorType.Attribute, 1],
+    [css_what_1.SelectorType.Pseudo, 0],
+]);
+function isTraversal(token) {
+    return !procedure.has(token.type);
+}
+exports.isTraversal = isTraversal;
+var attributes = new Map([
+    [css_what_1.AttributeAction.Exists, 10],
+    [css_what_1.AttributeAction.Equals, 8],
+    [css_what_1.AttributeAction.Not, 7],
+    [css_what_1.AttributeAction.Start, 6],
+    [css_what_1.AttributeAction.End, 6],
+    [css_what_1.AttributeAction.Any, 5],
+]);
+/**
+ * Sort the parts of the passed selector,
+ * as there is potential for optimization
+ * (some types of selectors are faster than others)
+ *
+ * @param arr Selector to sort
+ */
+function sortByProcedure(arr) {
+    var procs = arr.map(getProcedure);
+    for (var i = 1; i < arr.length; i++) {
+        var procNew = procs[i];
+        if (procNew < 0)
+            continue;
+        for (var j = i - 1; j >= 0 && procNew < procs[j]; j--) {
+            var token = arr[j + 1];
+            arr[j + 1] = arr[j];
+            arr[j] = token;
+            procs[j + 1] = procs[j];
+            procs[j] = procNew;
+        }
+    }
+}
+exports.default = sortByProcedure;
+function getProcedure(token) {
+    var _a, _b;
+    var proc = (_a = procedure.get(token.type)) !== null && _a !== void 0 ? _a : -1;
+    if (token.type === css_what_1.SelectorType.Attribute) {
+        proc = (_b = attributes.get(token.action)) !== null && _b !== void 0 ? _b : 4;
+        if (token.action === css_what_1.AttributeAction.Equals && token.name === "id") {
+            // Prefer ID selectors (eg. #ID)
+            proc = 9;
+        }
+        if (token.ignoreCase) {
+            /*
+             * IgnoreCase adds some overhead, prefer "normal" token
+             * this is a binary operation, to ensure it's still an int
+             */
+            proc >>= 1;
+        }
+    }
+    else if (token.type === css_what_1.SelectorType.Pseudo) {
+        if (!token.data) {
+            proc = 3;
+        }
+        else if (token.name === "has" || token.name === "contains") {
+            proc = 0; // Expensive in any case
+        }
+        else if (Array.isArray(token.data)) {
+            // Eg. :matches, :not
+            proc = Math.min.apply(Math, token.data.map(function (d) { return Math.min.apply(Math, d.map(getProcedure)); }));
+            // If we have traversals, try to avoid executing this selector
+            if (proc < 0) {
+                proc = 0;
+            }
+        }
+        else {
+            proc = 2;
+        }
+    }
+    return proc;
+}
+
+},{"css-what":124}],15:[function(require,module,exports){
+'use strict';
+
+const List = require('../utils/List.cjs');
+
+function createConvertor(walk) {
+    return {
+        fromPlainObject(ast) {
+            walk(ast, {
+                enter(node) {
+                    if (node.children && node.children instanceof List.List === false) {
+                        node.children = new List.List().fromArray(node.children);
+                    }
+                }
+            });
+
+            return ast;
+        },
+        toPlainObject(ast) {
+            walk(ast, {
+                leave(node) {
+                    if (node.children && node.children instanceof List.List) {
+                        node.children = node.children.toArray();
+                    }
+                }
+            });
+
+            return ast;
+        }
+    };
+}
+
+exports.createConvertor = createConvertor;
+
+},{"../utils/List.cjs":114}],16:[function(require,module,exports){
+'use strict';
+
+const createCustomError = require('../utils/create-custom-error.cjs');
+
+function SyntaxError(message, input, offset) {
+    return Object.assign(createCustomError.createCustomError('SyntaxError', message), {
+        input,
+        offset,
+        rawMessage: message,
+        message: message + '\n' +
+            '  ' + input + '\n' +
+            '--' + new Array((offset || input.length) + 1).join('-') + '^'
+    });
+}
+
+exports.SyntaxError = SyntaxError;
+
+},{"../utils/create-custom-error.cjs":116}],17:[function(require,module,exports){
+'use strict';
+
+function noop(value) {
+    return value;
+}
+
+function generateMultiplier(multiplier) {
+    const { min, max, comma } = multiplier;
+
+    if (min === 0 && max === 0) {
+        return comma ? '#?' : '*';
+    }
+
+    if (min === 0 && max === 1) {
+        return '?';
+    }
+
+    if (min === 1 && max === 0) {
+        return comma ? '#' : '+';
+    }
+
+    if (min === 1 && max === 1) {
+        return '';
+    }
+
+    return (
+        (comma ? '#' : '') +
+        (min === max
+            ? '{' + min + '}'
+            : '{' + min + ',' + (max !== 0 ? max : '') + '}'
+        )
+    );
+}
+
+function generateTypeOpts(node) {
+    switch (node.type) {
+        case 'Range':
+            return (
+                ' [' +
+                (node.min === null ? '-∞' : node.min) +
+                ',' +
+                (node.max === null ? '∞' : node.max) +
+                ']'
+            );
+
+        default:
+            throw new Error('Unknown node type `' + node.type + '`');
+    }
+}
+
+function generateSequence(node, decorate, forceBraces, compact) {
+    const combinator = node.combinator === ' ' || compact ? node.combinator : ' ' + node.combinator + ' ';
+    const result = node.terms
+        .map(term => internalGenerate(term, decorate, forceBraces, compact))
+        .join(combinator);
+
+    if (node.explicit || forceBraces) {
+        return (compact || result[0] === ',' ? '[' : '[ ') + result + (compact ? ']' : ' ]');
+    }
+
+    return result;
+}
+
+function internalGenerate(node, decorate, forceBraces, compact) {
+    let result;
+
+    switch (node.type) {
+        case 'Group':
+            result =
+                generateSequence(node, decorate, forceBraces, compact) +
+                (node.disallowEmpty ? '!' : '');
+            break;
+
+        case 'Multiplier':
+            // return since node is a composition
+            return (
+                internalGenerate(node.term, decorate, forceBraces, compact) +
+                decorate(generateMultiplier(node), node)
+            );
+
+        case 'Type':
+            result = '<' + node.name + (node.opts ? decorate(generateTypeOpts(node.opts), node.opts) : '') + '>';
+            break;
+
+        case 'Property':
+            result = '<\'' + node.name + '\'>';
+            break;
+
+        case 'Keyword':
+            result = node.name;
+            break;
+
+        case 'AtKeyword':
+            result = '@' + node.name;
+            break;
+
+        case 'Function':
+            result = node.name + '(';
+            break;
+
+        case 'String':
+        case 'Token':
+            result = node.value;
+            break;
+
+        case 'Comma':
+            result = ',';
+            break;
+
+        default:
+            throw new Error('Unknown node type `' + node.type + '`');
+    }
+
+    return decorate(result, node);
+}
+
+function generate(node, options) {
+    let decorate = noop;
+    let forceBraces = false;
+    let compact = false;
+
+    if (typeof options === 'function') {
+        decorate = options;
+    } else if (options) {
+        forceBraces = Boolean(options.forceBraces);
+        compact = Boolean(options.compact);
+        if (typeof options.decorate === 'function') {
+            decorate = options.decorate;
+        }
+    }
+
+    return internalGenerate(node, decorate, forceBraces, compact);
+}
+
+exports.generate = generate;
+
+},{}],18:[function(require,module,exports){
+'use strict';
+
+const SyntaxError = require('./SyntaxError.cjs');
+const generate = require('./generate.cjs');
+const parse = require('./parse.cjs');
+const walk = require('./walk.cjs');
+
+
+
+exports.SyntaxError = SyntaxError.SyntaxError;
+exports.generate = generate.generate;
+exports.parse = parse.parse;
+exports.walk = walk.walk;
+
+},{"./SyntaxError.cjs":16,"./generate.cjs":17,"./parse.cjs":19,"./walk.cjs":21}],19:[function(require,module,exports){
+'use strict';
+
+const tokenizer = require('./tokenizer.cjs');
+
+const TAB = 9;
+const N = 10;
+const F = 12;
+const R = 13;
+const SPACE = 32;
+const EXCLAMATIONMARK = 33;    // !
+const NUMBERSIGN = 35;         // #
+const AMPERSAND = 38;          // &
+const APOSTROPHE = 39;         // '
+const LEFTPARENTHESIS = 40;    // (
+const RIGHTPARENTHESIS = 41;   // )
+const ASTERISK = 42;           // *
+const PLUSSIGN = 43;           // +
+const COMMA = 44;              // ,
+const HYPERMINUS = 45;         // -
+const LESSTHANSIGN = 60;       // <
+const GREATERTHANSIGN = 62;    // >
+const QUESTIONMARK = 63;       // ?
+const COMMERCIALAT = 64;       // @
+const LEFTSQUAREBRACKET = 91;  // [
+const RIGHTSQUAREBRACKET = 93; // ]
+const LEFTCURLYBRACKET = 123;  // {
+const VERTICALLINE = 124;      // |
+const RIGHTCURLYBRACKET = 125; // }
+const INFINITY = 8734;         // ∞
+const NAME_CHAR = new Uint8Array(128).map((_, idx) =>
+    /[a-zA-Z0-9\-]/.test(String.fromCharCode(idx)) ? 1 : 0
+);
+const COMBINATOR_PRECEDENCE = {
+    ' ': 1,
+    '&&': 2,
+    '||': 3,
+    '|': 4
+};
+
+function scanSpaces(tokenizer) {
+    return tokenizer.substringToPos(
+        tokenizer.findWsEnd(tokenizer.pos)
+    );
+}
+
+function scanWord(tokenizer) {
+    let end = tokenizer.pos;
+
+    for (; end < tokenizer.str.length; end++) {
+        const code = tokenizer.str.charCodeAt(end);
+        if (code >= 128 || NAME_CHAR[code] === 0) {
+            break;
+        }
+    }
+
+    if (tokenizer.pos === end) {
+        tokenizer.error('Expect a keyword');
+    }
+
+    return tokenizer.substringToPos(end);
+}
+
+function scanNumber(tokenizer) {
+    let end = tokenizer.pos;
+
+    for (; end < tokenizer.str.length; end++) {
+        const code = tokenizer.str.charCodeAt(end);
+        if (code < 48 || code > 57) {
+            break;
+        }
+    }
+
+    if (tokenizer.pos === end) {
+        tokenizer.error('Expect a number');
+    }
+
+    return tokenizer.substringToPos(end);
+}
+
+function scanString(tokenizer) {
+    const end = tokenizer.str.indexOf('\'', tokenizer.pos + 1);
+
+    if (end === -1) {
+        tokenizer.pos = tokenizer.str.length;
+        tokenizer.error('Expect an apostrophe');
+    }
+
+    return tokenizer.substringToPos(end + 1);
+}
+
+function readMultiplierRange(tokenizer) {
+    let min = null;
+    let max = null;
+
+    tokenizer.eat(LEFTCURLYBRACKET);
+
+    min = scanNumber(tokenizer);
+
+    if (tokenizer.charCode() === COMMA) {
+        tokenizer.pos++;
+        if (tokenizer.charCode() !== RIGHTCURLYBRACKET) {
+            max = scanNumber(tokenizer);
+        }
+    } else {
+        max = min;
+    }
+
+    tokenizer.eat(RIGHTCURLYBRACKET);
+
+    return {
+        min: Number(min),
+        max: max ? Number(max) : 0
+    };
+}
+
+function readMultiplier(tokenizer) {
+    let range = null;
+    let comma = false;
+
+    switch (tokenizer.charCode()) {
+        case ASTERISK:
+            tokenizer.pos++;
+
+            range = {
+                min: 0,
+                max: 0
+            };
+
+            break;
+
+        case PLUSSIGN:
+            tokenizer.pos++;
+
+            range = {
+                min: 1,
+                max: 0
+            };
+
+            break;
+
+        case QUESTIONMARK:
+            tokenizer.pos++;
+
+            range = {
+                min: 0,
+                max: 1
+            };
+
+            break;
+
+        case NUMBERSIGN:
+            tokenizer.pos++;
+
+            comma = true;
+
+            if (tokenizer.charCode() === LEFTCURLYBRACKET) {
+                range = readMultiplierRange(tokenizer);
+            } else if (tokenizer.charCode() === QUESTIONMARK) {
+                // https://www.w3.org/TR/css-values-4/#component-multipliers
+                // > the # and ? multipliers may be stacked as #?
+                // In this case just treat "#?" as a single multiplier
+                // { min: 0, max: 0, comma: true }
+                tokenizer.pos++;
+                range = {
+                    min: 0,
+                    max: 0
+                };
+            } else {
+                range = {
+                    min: 1,
+                    max: 0
+                };
+            }
+
+            break;
+
+        case LEFTCURLYBRACKET:
+            range = readMultiplierRange(tokenizer);
+            break;
+
+        default:
+            return null;
+    }
+
+    return {
+        type: 'Multiplier',
+        comma,
+        min: range.min,
+        max: range.max,
+        term: null
+    };
+}
+
+function maybeMultiplied(tokenizer, node) {
+    const multiplier = readMultiplier(tokenizer);
+
+    if (multiplier !== null) {
+        multiplier.term = node;
+
+        // https://www.w3.org/TR/css-values-4/#component-multipliers
+        // > The + and # multipliers may be stacked as +#;
+        // Represent "+#" as nested multipliers:
+        // { ...<multiplier #>,
+        //   term: {
+        //     ...<multipler +>,
+        //     term: node
+        //   }
+        // }
+        if (tokenizer.charCode() === NUMBERSIGN &&
+            tokenizer.charCodeAt(tokenizer.pos - 1) === PLUSSIGN) {
+            return maybeMultiplied(tokenizer, multiplier);
+        }
+
+        return multiplier;
+    }
+
+    return node;
+}
+
+function maybeToken(tokenizer) {
+    const ch = tokenizer.peek();
+
+    if (ch === '') {
+        return null;
+    }
+
+    return {
+        type: 'Token',
+        value: ch
+    };
+}
+
+function readProperty(tokenizer) {
+    let name;
+
+    tokenizer.eat(LESSTHANSIGN);
+    tokenizer.eat(APOSTROPHE);
+
+    name = scanWord(tokenizer);
+
+    tokenizer.eat(APOSTROPHE);
+    tokenizer.eat(GREATERTHANSIGN);
+
+    return maybeMultiplied(tokenizer, {
+        type: 'Property',
+        name
+    });
+}
+
+// https://drafts.csswg.org/css-values-3/#numeric-ranges
+// 4.1. Range Restrictions and Range Definition Notation
+//
+// Range restrictions can be annotated in the numeric type notation using CSS bracketed
+// range notation—[min,max]—within the angle brackets, after the identifying keyword,
+// indicating a closed range between (and including) min and max.
+// For example, <integer [0, 10]> indicates an integer between 0 and 10, inclusive.
+function readTypeRange(tokenizer) {
+    // use null for Infinity to make AST format JSON serializable/deserializable
+    let min = null; // -Infinity
+    let max = null; // Infinity
+    let sign = 1;
+
+    tokenizer.eat(LEFTSQUAREBRACKET);
+
+    if (tokenizer.charCode() === HYPERMINUS) {
+        tokenizer.peek();
+        sign = -1;
+    }
+
+    if (sign == -1 && tokenizer.charCode() === INFINITY) {
+        tokenizer.peek();
+    } else {
+        min = sign * Number(scanNumber(tokenizer));
+
+        if (NAME_CHAR[tokenizer.charCode()] !== 0) {
+            min += scanWord(tokenizer);
+        }
+    }
+
+    scanSpaces(tokenizer);
+    tokenizer.eat(COMMA);
+    scanSpaces(tokenizer);
+
+    if (tokenizer.charCode() === INFINITY) {
+        tokenizer.peek();
+    } else {
+        sign = 1;
+
+        if (tokenizer.charCode() === HYPERMINUS) {
+            tokenizer.peek();
+            sign = -1;
+        }
+
+        max = sign * Number(scanNumber(tokenizer));
+
+        if (NAME_CHAR[tokenizer.charCode()] !== 0) {
+            max += scanWord(tokenizer);
+        }
+    }
+
+    tokenizer.eat(RIGHTSQUAREBRACKET);
+
+    return {
+        type: 'Range',
+        min,
+        max
+    };
+}
+
+function readType(tokenizer) {
+    let name;
+    let opts = null;
+
+    tokenizer.eat(LESSTHANSIGN);
+    name = scanWord(tokenizer);
+
+    if (tokenizer.charCode() === LEFTPARENTHESIS &&
+        tokenizer.nextCharCode() === RIGHTPARENTHESIS) {
+        tokenizer.pos += 2;
+        name += '()';
+    }
+
+    if (tokenizer.charCodeAt(tokenizer.findWsEnd(tokenizer.pos)) === LEFTSQUAREBRACKET) {
+        scanSpaces(tokenizer);
+        opts = readTypeRange(tokenizer);
+    }
+
+    tokenizer.eat(GREATERTHANSIGN);
+
+    return maybeMultiplied(tokenizer, {
+        type: 'Type',
+        name,
+        opts
+    });
+}
+
+function readKeywordOrFunction(tokenizer) {
+    const name = scanWord(tokenizer);
+
+    if (tokenizer.charCode() === LEFTPARENTHESIS) {
+        tokenizer.pos++;
+
+        return {
+            type: 'Function',
+            name
+        };
+    }
+
+    return maybeMultiplied(tokenizer, {
+        type: 'Keyword',
+        name
+    });
+}
+
+function regroupTerms(terms, combinators) {
+    function createGroup(terms, combinator) {
+        return {
+            type: 'Group',
+            terms,
+            combinator,
+            disallowEmpty: false,
+            explicit: false
+        };
+    }
+
+    let combinator;
+
+    combinators = Object.keys(combinators)
+        .sort((a, b) => COMBINATOR_PRECEDENCE[a] - COMBINATOR_PRECEDENCE[b]);
+
+    while (combinators.length > 0) {
+        combinator = combinators.shift();
+
+        let i = 0;
+        let subgroupStart = 0;
+
+        for (; i < terms.length; i++) {
+            const term = terms[i];
+
+            if (term.type === 'Combinator') {
+                if (term.value === combinator) {
+                    if (subgroupStart === -1) {
+                        subgroupStart = i - 1;
+                    }
+                    terms.splice(i, 1);
+                    i--;
+                } else {
+                    if (subgroupStart !== -1 && i - subgroupStart > 1) {
+                        terms.splice(
+                            subgroupStart,
+                            i - subgroupStart,
+                            createGroup(terms.slice(subgroupStart, i), combinator)
+                        );
+                        i = subgroupStart + 1;
+                    }
+                    subgroupStart = -1;
+                }
+            }
+        }
+
+        if (subgroupStart !== -1 && combinators.length) {
+            terms.splice(
+                subgroupStart,
+                i - subgroupStart,
+                createGroup(terms.slice(subgroupStart, i), combinator)
+            );
+        }
+    }
+
+    return combinator;
+}
+
+function readImplicitGroup(tokenizer) {
+    const terms = [];
+    const combinators = {};
+    let token;
+    let prevToken = null;
+    let prevTokenPos = tokenizer.pos;
+
+    while (token = peek(tokenizer)) {
+        if (token.type !== 'Spaces') {
+            if (token.type === 'Combinator') {
+                // check for combinator in group beginning and double combinator sequence
+                if (prevToken === null || prevToken.type === 'Combinator') {
+                    tokenizer.pos = prevTokenPos;
+                    tokenizer.error('Unexpected combinator');
+                }
+
+                combinators[token.value] = true;
+            } else if (prevToken !== null && prevToken.type !== 'Combinator') {
+                combinators[' '] = true;  // a b
+                terms.push({
+                    type: 'Combinator',
+                    value: ' '
+                });
+            }
+
+            terms.push(token);
+            prevToken = token;
+            prevTokenPos = tokenizer.pos;
+        }
+    }
+
+    // check for combinator in group ending
+    if (prevToken !== null && prevToken.type === 'Combinator') {
+        tokenizer.pos -= prevTokenPos;
+        tokenizer.error('Unexpected combinator');
+    }
+
+    return {
+        type: 'Group',
+        terms,
+        combinator: regroupTerms(terms, combinators) || ' ',
+        disallowEmpty: false,
+        explicit: false
+    };
+}
+
+function readGroup(tokenizer) {
+    let result;
+
+    tokenizer.eat(LEFTSQUAREBRACKET);
+    result = readImplicitGroup(tokenizer);
+    tokenizer.eat(RIGHTSQUAREBRACKET);
+
+    result.explicit = true;
+
+    if (tokenizer.charCode() === EXCLAMATIONMARK) {
+        tokenizer.pos++;
+        result.disallowEmpty = true;
+    }
+
+    return result;
+}
+
+function peek(tokenizer) {
+    let code = tokenizer.charCode();
+
+    if (code < 128 && NAME_CHAR[code] === 1) {
+        return readKeywordOrFunction(tokenizer);
+    }
+
+    switch (code) {
+        case RIGHTSQUAREBRACKET:
+            // don't eat, stop scan a group
+            break;
+
+        case LEFTSQUAREBRACKET:
+            return maybeMultiplied(tokenizer, readGroup(tokenizer));
+
+        case LESSTHANSIGN:
+            return tokenizer.nextCharCode() === APOSTROPHE
+                ? readProperty(tokenizer)
+                : readType(tokenizer);
+
+        case VERTICALLINE:
+            return {
+                type: 'Combinator',
+                value: tokenizer.substringToPos(
+                    tokenizer.pos + (tokenizer.nextCharCode() === VERTICALLINE ? 2 : 1)
+                )
+            };
+
+        case AMPERSAND:
+            tokenizer.pos++;
+            tokenizer.eat(AMPERSAND);
+
+            return {
+                type: 'Combinator',
+                value: '&&'
+            };
+
+        case COMMA:
+            tokenizer.pos++;
+            return {
+                type: 'Comma'
+            };
+
+        case APOSTROPHE:
+            return maybeMultiplied(tokenizer, {
+                type: 'String',
+                value: scanString(tokenizer)
+            });
+
+        case SPACE:
+        case TAB:
+        case N:
+        case R:
+        case F:
+            return {
+                type: 'Spaces',
+                value: scanSpaces(tokenizer)
+            };
+
+        case COMMERCIALAT:
+            code = tokenizer.nextCharCode();
+
+            if (code < 128 && NAME_CHAR[code] === 1) {
+                tokenizer.pos++;
+                return {
+                    type: 'AtKeyword',
+                    name: scanWord(tokenizer)
+                };
+            }
+
+            return maybeToken(tokenizer);
+
+        case ASTERISK:
+        case PLUSSIGN:
+        case QUESTIONMARK:
+        case NUMBERSIGN:
+        case EXCLAMATIONMARK:
+            // prohibited tokens (used as a multiplier start)
+            break;
+
+        case LEFTCURLYBRACKET:
+            // LEFTCURLYBRACKET is allowed since mdn/data uses it w/o quoting
+            // check next char isn't a number, because it's likely a disjoined multiplier
+            code = tokenizer.nextCharCode();
+
+            if (code < 48 || code > 57) {
+                return maybeToken(tokenizer);
+            }
+
+            break;
+
+        default:
+            return maybeToken(tokenizer);
+    }
+}
+
+function parse(source) {
+    const tokenizer$1 = new tokenizer.Tokenizer(source);
+    const result = readImplicitGroup(tokenizer$1);
+
+    if (tokenizer$1.pos !== source.length) {
+        tokenizer$1.error('Unexpected input');
+    }
+
+    // reduce redundant groups with single group term
+    if (result.terms.length === 1 && result.terms[0].type === 'Group') {
+        return result.terms[0];
+    }
+
+    return result;
+}
+
+exports.parse = parse;
+
+},{"./tokenizer.cjs":20}],20:[function(require,module,exports){
+'use strict';
+
+const SyntaxError = require('./SyntaxError.cjs');
+
+const TAB = 9;
+const N = 10;
+const F = 12;
+const R = 13;
+const SPACE = 32;
+
+class Tokenizer {
+    constructor(str) {
+        this.str = str;
+        this.pos = 0;
+    }
+    charCodeAt(pos) {
+        return pos < this.str.length ? this.str.charCodeAt(pos) : 0;
+    }
+    charCode() {
+        return this.charCodeAt(this.pos);
+    }
+    nextCharCode() {
+        return this.charCodeAt(this.pos + 1);
+    }
+    nextNonWsCode(pos) {
+        return this.charCodeAt(this.findWsEnd(pos));
+    }
+    findWsEnd(pos) {
+        for (; pos < this.str.length; pos++) {
+            const code = this.str.charCodeAt(pos);
+            if (code !== R && code !== N && code !== F && code !== SPACE && code !== TAB) {
+                break;
+            }
+        }
+
+        return pos;
+    }
+    substringToPos(end) {
+        return this.str.substring(this.pos, this.pos = end);
+    }
+    eat(code) {
+        if (this.charCode() !== code) {
+            this.error('Expect `' + String.fromCharCode(code) + '`');
+        }
+
+        this.pos++;
+    }
+    peek() {
+        return this.pos < this.str.length ? this.str.charAt(this.pos++) : '';
+    }
+    error(message) {
+        throw new SyntaxError.SyntaxError(message, this.str, this.pos);
+    }
+}
+
+exports.Tokenizer = Tokenizer;
+
+},{"./SyntaxError.cjs":16}],21:[function(require,module,exports){
+'use strict';
+
+const noop = function() {};
+
+function ensureFunction(value) {
+    return typeof value === 'function' ? value : noop;
+}
+
+function walk(node, options, context) {
+    function walk(node) {
+        enter.call(context, node);
+
+        switch (node.type) {
+            case 'Group':
+                node.terms.forEach(walk);
+                break;
+
+            case 'Multiplier':
+                walk(node.term);
+                break;
+
+            case 'Type':
+            case 'Property':
+            case 'Keyword':
+            case 'AtKeyword':
+            case 'Function':
+            case 'String':
+            case 'Token':
+            case 'Comma':
+                break;
+
+            default:
+                throw new Error('Unknown type: ' + node.type);
+        }
+
+        leave.call(context, node);
+    }
+
+    let enter = noop;
+    let leave = noop;
+
+    if (typeof options === 'function') {
+        enter = options;
+    } else if (options) {
+        enter = ensureFunction(options.enter);
+        leave = ensureFunction(options.leave);
+    }
+
+    if (enter === noop && leave === noop) {
+        throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
+    }
+
+    walk(node);
+}
+
+exports.walk = walk;
+
+},{}],22:[function(require,module,exports){
+'use strict';
+
+const index = require('../tokenizer/index.cjs');
+const sourceMap = require('./sourceMap.cjs');
+const tokenBefore = require('./token-before.cjs');
+const types = require('../tokenizer/types.cjs');
+
+const REVERSESOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\)
+
+function processChildren(node, delimeter) {
+    if (typeof delimeter === 'function') {
+        let prev = null;
+
+        node.children.forEach(node => {
+            if (prev !== null) {
+                delimeter.call(this, prev);
+            }
+
+            this.node(node);
+            prev = node;
+        });
+
+        return;
+    }
+
+    node.children.forEach(this.node, this);
+}
+
+function processChunk(chunk) {
+    index.tokenize(chunk, (type, start, end) => {
+        this.token(type, chunk.slice(start, end));
+    });
+}
+
+function createGenerator(config) {
+    const types$1 = new Map();
+
+    for (let name in config.node) {
+        const item = config.node[name];
+        const fn = item.generate || item;
+
+        if (typeof fn === 'function') {
+            types$1.set(name, item.generate || item);
+        }
+    }
+
+    return function(node, options) {
+        let buffer = '';
+        let prevCode = 0;
+        let handlers = {
+            node(node) {
+                if (types$1.has(node.type)) {
+                    types$1.get(node.type).call(publicApi, node);
+                } else {
+                    throw new Error('Unknown node type: ' + node.type);
+                }
+            },
+            tokenBefore: tokenBefore.safe,
+            token(type, value) {
+                prevCode = this.tokenBefore(prevCode, type, value);
+
+                this.emit(value, type, false);
+
+                if (type === types.Delim && value.charCodeAt(0) === REVERSESOLIDUS) {
+                    this.emit('\n', types.WhiteSpace, true);
+                }
+            },
+            emit(value) {
+                buffer += value;
+            },
+            result() {
+                return buffer;
+            }
+        };
+
+        if (options) {
+            if (typeof options.decorator === 'function') {
+                handlers = options.decorator(handlers);
+            }
+
+            if (options.sourceMap) {
+                handlers = sourceMap.generateSourceMap(handlers);
+            }
+
+            if (options.mode in tokenBefore) {
+                handlers.tokenBefore = tokenBefore[options.mode];
+            }
+        }
+
+        const publicApi = {
+            node: (node) => handlers.node(node),
+            children: processChildren,
+            token: (type, value) => handlers.token(type, value),
+            tokenize: processChunk
+        };
+
+        handlers.node(node);
+
+        return handlers.result();
+    };
+}
+
+exports.createGenerator = createGenerator;
+
+},{"../tokenizer/index.cjs":110,"../tokenizer/types.cjs":112,"./sourceMap.cjs":23,"./token-before.cjs":24}],23:[function(require,module,exports){
+'use strict';
+
+const sourceMapGenerator_js = require('source-map-js/lib/source-map-generator.js');
+
+const trackNodes = new Set(['Atrule', 'Selector', 'Declaration']);
+
+function generateSourceMap(handlers) {
+    const map = new sourceMapGenerator_js.SourceMapGenerator();
+    const generated = {
+        line: 1,
+        column: 0
+    };
+    const original = {
+        line: 0, // should be zero to add first mapping
+        column: 0
+    };
+    const activatedGenerated = {
+        line: 1,
+        column: 0
+    };
+    const activatedMapping = {
+        generated: activatedGenerated
+    };
+    let line = 1;
+    let column = 0;
+    let sourceMappingActive = false;
+
+    const origHandlersNode = handlers.node;
+    handlers.node = function(node) {
+        if (node.loc && node.loc.start && trackNodes.has(node.type)) {
+            const nodeLine = node.loc.start.line;
+            const nodeColumn = node.loc.start.column - 1;
+
+            if (original.line !== nodeLine ||
+                original.column !== nodeColumn) {
+                original.line = nodeLine;
+                original.column = nodeColumn;
+
+                generated.line = line;
+                generated.column = column;
+
+                if (sourceMappingActive) {
+                    sourceMappingActive = false;
+                    if (generated.line !== activatedGenerated.line ||
+                        generated.column !== activatedGenerated.column) {
+                        map.addMapping(activatedMapping);
+                    }
+                }
+
+                sourceMappingActive = true;
+                map.addMapping({
+                    source: node.loc.source,
+                    original,
+                    generated
+                });
+            }
+        }
+
+        origHandlersNode.call(this, node);
+
+        if (sourceMappingActive && trackNodes.has(node.type)) {
+            activatedGenerated.line = line;
+            activatedGenerated.column = column;
+        }
+    };
+
+    const origHandlersEmit = handlers.emit;
+    handlers.emit = function(value, type, auto) {
+        for (let i = 0; i < value.length; i++) {
+            if (value.charCodeAt(i) === 10) { // \n
+                line++;
+                column = 0;
+            } else {
+                column++;
+            }
+        }
+
+        origHandlersEmit(value, type, auto);
+    };
+
+    const origHandlersResult = handlers.result;
+    handlers.result = function() {
+        if (sourceMappingActive) {
+            map.addMapping(activatedMapping);
+        }
+
+        return {
+            css: origHandlersResult(),
+            map
+        };
+    };
+
+    return handlers;
+}
+
+exports.generateSourceMap = generateSourceMap;
+
+},{"source-map-js/lib/source-map-generator.js":317}],24:[function(require,module,exports){
+'use strict';
+
+const types = require('../tokenizer/types.cjs');
+
+const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
+
+const code = (type, value) => {
+    if (type === types.Delim) {
+        type = value;
+    }
+
+    if (typeof type === 'string') {
+        const charCode = type.charCodeAt(0);
+        return charCode > 0x7F ? 0x8000 : charCode << 8;
+    }
+
+    return type;
+};
+
+// https://www.w3.org/TR/css-syntax-3/#serialization
+// The only requirement for serialization is that it must "round-trip" with parsing,
+// that is, parsing the stylesheet must produce the same data structures as parsing,
+// serializing, and parsing again, except for consecutive <whitespace-token>s,
+// which may be collapsed into a single token.
+
+const specPairs = [
+    [types.Ident, types.Ident],
+    [types.Ident, types.Function],
+    [types.Ident, types.Url],
+    [types.Ident, types.BadUrl],
+    [types.Ident, '-'],
+    [types.Ident, types.Number],
+    [types.Ident, types.Percentage],
+    [types.Ident, types.Dimension],
+    [types.Ident, types.CDC],
+    [types.Ident, types.LeftParenthesis],
+
+    [types.AtKeyword, types.Ident],
+    [types.AtKeyword, types.Function],
+    [types.AtKeyword, types.Url],
+    [types.AtKeyword, types.BadUrl],
+    [types.AtKeyword, '-'],
+    [types.AtKeyword, types.Number],
+    [types.AtKeyword, types.Percentage],
+    [types.AtKeyword, types.Dimension],
+    [types.AtKeyword, types.CDC],
+
+    [types.Hash, types.Ident],
+    [types.Hash, types.Function],
+    [types.Hash, types.Url],
+    [types.Hash, types.BadUrl],
+    [types.Hash, '-'],
+    [types.Hash, types.Number],
+    [types.Hash, types.Percentage],
+    [types.Hash, types.Dimension],
+    [types.Hash, types.CDC],
+
+    [types.Dimension, types.Ident],
+    [types.Dimension, types.Function],
+    [types.Dimension, types.Url],
+    [types.Dimension, types.BadUrl],
+    [types.Dimension, '-'],
+    [types.Dimension, types.Number],
+    [types.Dimension, types.Percentage],
+    [types.Dimension, types.Dimension],
+    [types.Dimension, types.CDC],
+
+    ['#', types.Ident],
+    ['#', types.Function],
+    ['#', types.Url],
+    ['#', types.BadUrl],
+    ['#', '-'],
+    ['#', types.Number],
+    ['#', types.Percentage],
+    ['#', types.Dimension],
+    ['#', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['-', types.Ident],
+    ['-', types.Function],
+    ['-', types.Url],
+    ['-', types.BadUrl],
+    ['-', '-'],
+    ['-', types.Number],
+    ['-', types.Percentage],
+    ['-', types.Dimension],
+    ['-', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    [types.Number, types.Ident],
+    [types.Number, types.Function],
+    [types.Number, types.Url],
+    [types.Number, types.BadUrl],
+    [types.Number, types.Number],
+    [types.Number, types.Percentage],
+    [types.Number, types.Dimension],
+    [types.Number, '%'],
+    [types.Number, types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['@', types.Ident],
+    ['@', types.Function],
+    ['@', types.Url],
+    ['@', types.BadUrl],
+    ['@', '-'],
+    ['@', types.CDC], // https://github.com/w3c/csswg-drafts/pull/6874
+
+    ['.', types.Number],
+    ['.', types.Percentage],
+    ['.', types.Dimension],
+
+    ['+', types.Number],
+    ['+', types.Percentage],
+    ['+', types.Dimension],
+
+    ['/', '*']
+];
+// validate with scripts/generate-safe
+const safePairs = specPairs.concat([
+    [types.Ident, types.Hash],
+
+    [types.Dimension, types.Hash],
+
+    [types.Hash, types.Hash],
+
+    [types.AtKeyword, types.LeftParenthesis],
+    [types.AtKeyword, types.String],
+    [types.AtKeyword, types.Colon],
+
+    [types.Percentage, types.Percentage],
+    [types.Percentage, types.Dimension],
+    [types.Percentage, types.Function],
+    [types.Percentage, '-'],
+
+    [types.RightParenthesis, types.Ident],
+    [types.RightParenthesis, types.Function],
+    [types.RightParenthesis, types.Percentage],
+    [types.RightParenthesis, types.Dimension],
+    [types.RightParenthesis, types.Hash],
+    [types.RightParenthesis, '-']
+]);
+
+function createMap(pairs) {
+    const isWhiteSpaceRequired = new Set(
+        pairs.map(([prev, next]) => (code(prev) << 16 | code(next)))
+    );
+
+    return function(prevCode, type, value) {
+        const nextCode = code(type, value);
+        const nextCharCode = value.charCodeAt(0);
+        const emitWs =
+            (nextCharCode === HYPHENMINUS &&
+                type !== types.Ident &&
+                type !== types.Function &&
+                type !== types.CDC) ||
+            (nextCharCode === PLUSSIGN)
+                ? isWhiteSpaceRequired.has(prevCode << 16 | nextCharCode << 8)
+                : isWhiteSpaceRequired.has(prevCode << 16 | nextCode);
+
+        if (emitWs) {
+            this.emit(' ', types.WhiteSpace, true);
+        }
+
+        return nextCode;
+    };
+}
+
+const spec = createMap(specPairs);
+const safe = createMap(safePairs);
+
+exports.safe = safe;
+exports.spec = spec;
+
+},{"../tokenizer/types.cjs":112}],25:[function(require,module,exports){
+'use strict';
+
+const index$1 = require('./syntax/index.cjs');
+const version = require('./version.cjs');
+const create = require('./syntax/create.cjs');
+const List = require('./utils/List.cjs');
+const Lexer = require('./lexer/Lexer.cjs');
+const index = require('./definition-syntax/index.cjs');
+const clone = require('./utils/clone.cjs');
+const names$1 = require('./utils/names.cjs');
+const ident = require('./utils/ident.cjs');
+const string = require('./utils/string.cjs');
+const url = require('./utils/url.cjs');
+const types = require('./tokenizer/types.cjs');
+const names = require('./tokenizer/names.cjs');
+const TokenStream = require('./tokenizer/TokenStream.cjs');
+
+const {
+    tokenize,
+    parse,
+    generate,
+    lexer,
+    createLexer,
+
+    walk,
+    find,
+    findLast,
+    findAll,
+
+    toPlainObject,
+    fromPlainObject,
+
+    fork
+} = index$1;
+
+exports.version = version.version;
+exports.createSyntax = create;
+exports.List = List.List;
+exports.Lexer = Lexer.Lexer;
+exports.definitionSyntax = index;
+exports.clone = clone.clone;
+exports.isCustomProperty = names$1.isCustomProperty;
+exports.keyword = names$1.keyword;
+exports.property = names$1.property;
+exports.vendorPrefix = names$1.vendorPrefix;
+exports.ident = ident;
+exports.string = string;
+exports.url = url;
+exports.tokenTypes = types;
+exports.tokenNames = names;
+exports.TokenStream = TokenStream.TokenStream;
+exports.createLexer = createLexer;
+exports.find = find;
+exports.findAll = findAll;
+exports.findLast = findLast;
+exports.fork = fork;
+exports.fromPlainObject = fromPlainObject;
+exports.generate = generate;
+exports.lexer = lexer;
+exports.parse = parse;
+exports.toPlainObject = toPlainObject;
+exports.tokenize = tokenize;
+exports.walk = walk;
+
+},{"./definition-syntax/index.cjs":18,"./lexer/Lexer.cjs":26,"./syntax/create.cjs":53,"./syntax/index.cjs":56,"./tokenizer/TokenStream.cjs":107,"./tokenizer/names.cjs":111,"./tokenizer/types.cjs":112,"./utils/List.cjs":114,"./utils/clone.cjs":115,"./utils/ident.cjs":117,"./utils/names.cjs":118,"./utils/string.cjs":119,"./utils/url.cjs":120,"./version.cjs":123}],26:[function(require,module,exports){
+'use strict';
+
+const error = require('./error.cjs');
+const names = require('../utils/names.cjs');
+const genericConst = require('./generic-const.cjs');
+const generic = require('./generic.cjs');
+const units = require('./units.cjs');
+const prepareTokens = require('./prepare-tokens.cjs');
+const matchGraph = require('./match-graph.cjs');
+const match = require('./match.cjs');
+const trace = require('./trace.cjs');
+const search = require('./search.cjs');
+const structure = require('./structure.cjs');
+const parse = require('../definition-syntax/parse.cjs');
+const generate = require('../definition-syntax/generate.cjs');
+const walk = require('../definition-syntax/walk.cjs');
+
+const cssWideKeywordsSyntax = matchGraph.buildMatchGraph(genericConst.cssWideKeywords.join(' | '));
+
+function dumpMapSyntax(map, compact, syntaxAsAst) {
+    const result = {};
+
+    for (const name in map) {
+        if (map[name].syntax) {
+            result[name] = syntaxAsAst
+                ? map[name].syntax
+                : generate.generate(map[name].syntax, { compact });
+        }
+    }
+
+    return result;
+}
+
+function dumpAtruleMapSyntax(map, compact, syntaxAsAst) {
+    const result = {};
+
+    for (const [name, atrule] of Object.entries(map)) {
+        result[name] = {
+            prelude: atrule.prelude && (
+                syntaxAsAst
+                    ? atrule.prelude.syntax
+                    : generate.generate(atrule.prelude.syntax, { compact })
+            ),
+            descriptors: atrule.descriptors && dumpMapSyntax(atrule.descriptors, compact, syntaxAsAst)
+        };
+    }
+
+    return result;
+}
+
+function valueHasVar(tokens) {
+    for (let i = 0; i < tokens.length; i++) {
+        if (tokens[i].value.toLowerCase() === 'var(') {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function buildMatchResult(matched, error, iterations) {
+    return {
+        matched,
+        iterations,
+        error,
+        ...trace
+    };
+}
+
+function matchSyntax(lexer, syntax, value, useCssWideKeywords) {
+    const tokens = prepareTokens(value, lexer.syntax);
+    let result;
+
+    if (valueHasVar(tokens)) {
+        return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));
+    }
+
+    if (useCssWideKeywords) {
+        result = match.matchAsTree(tokens, lexer.cssWideKeywordsSyntax, lexer);
+    }
+
+    if (!useCssWideKeywords || !result.match) {
+        result = match.matchAsTree(tokens, syntax.match, lexer);
+        if (!result.match) {
+            return buildMatchResult(
+                null,
+                new error.SyntaxMatchError(result.reason, syntax.syntax, value, result),
+                result.iterations
+            );
+        }
+    }
+
+    return buildMatchResult(result.match, null, result.iterations);
+}
+
+class Lexer {
+    constructor(config, syntax, structure$1) {
+        this.cssWideKeywordsSyntax = cssWideKeywordsSyntax;
+        this.syntax = syntax;
+        this.generic = false;
+        this.units = { ...units };
+        this.atrules = Object.create(null);
+        this.properties = Object.create(null);
+        this.types = Object.create(null);
+        this.structure = structure$1 || structure.getStructureFromConfig(config);
+
+        if (config) {
+            if (config.units) {
+                for (const group of Object.keys(units)) {
+                    if (Array.isArray(config.units[group])) {
+                        this.units[group] = config.units[group];
+                    }
+                }
+            }
+
+            if (config.types) {
+                for (const name in config.types) {
+                    this.addType_(name, config.types[name]);
+                }
+            }
+
+            if (config.generic) {
+                this.generic = true;
+                for (const [name, value] of Object.entries(generic.createGenericTypes(this.units))) {
+                    this.addType_(name, value);
+                }
+            }
+
+            if (config.atrules) {
+                for (const name in config.atrules) {
+                    this.addAtrule_(name, config.atrules[name]);
+                }
+            }
+
+            if (config.properties) {
+                for (const name in config.properties) {
+                    this.addProperty_(name, config.properties[name]);
+                }
+            }
+        }
+    }
+
+    checkStructure(ast) {
+        function collectWarning(node, message) {
+            warns.push({ node, message });
+        }
+
+        const structure = this.structure;
+        const warns = [];
+
+        this.syntax.walk(ast, function(node) {
+            if (structure.hasOwnProperty(node.type)) {
+                structure[node.type].check(node, collectWarning);
+            } else {
+                collectWarning(node, 'Unknown node type `' + node.type + '`');
+            }
+        });
+
+        return warns.length ? warns : false;
+    }
+
+    createDescriptor(syntax, type, name, parent = null) {
+        const ref = {
+            type,
+            name
+        };
+        const descriptor = {
+            type,
+            name,
+            parent,
+            serializable: typeof syntax === 'string' || (syntax && typeof syntax.type === 'string'),
+            syntax: null,
+            match: null
+        };
+
+        if (typeof syntax === 'function') {
+            descriptor.match = matchGraph.buildMatchGraph(syntax, ref);
+        } else {
+            if (typeof syntax === 'string') {
+                // lazy parsing on first access
+                Object.defineProperty(descriptor, 'syntax', {
+                    get() {
+                        Object.defineProperty(descriptor, 'syntax', {
+                            value: parse.parse(syntax)
+                        });
+
+                        return descriptor.syntax;
+                    }
+                });
+            } else {
+                descriptor.syntax = syntax;
+            }
+
+            // lazy graph build on first access
+            Object.defineProperty(descriptor, 'match', {
+                get() {
+                    Object.defineProperty(descriptor, 'match', {
+                        value: matchGraph.buildMatchGraph(descriptor.syntax, ref)
+                    });
+
+                    return descriptor.match;
+                }
+            });
+        }
+
+        return descriptor;
+    }
+    addAtrule_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.atrules[name] = {
+            type: 'Atrule',
+            name: name,
+            prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null,
+            descriptors: syntax.descriptors
+                ? Object.keys(syntax.descriptors).reduce(
+                    (map, descName) => {
+                        map[descName] = this.createDescriptor(syntax.descriptors[descName], 'AtruleDescriptor', descName, name);
+                        return map;
+                    },
+                    Object.create(null)
+                )
+                : null
+        };
+    }
+    addProperty_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.properties[name] = this.createDescriptor(syntax, 'Property', name);
+    }
+    addType_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.types[name] = this.createDescriptor(syntax, 'Type', name);
+    }
+
+    checkAtruleName(atruleName) {
+        if (!this.getAtrule(atruleName)) {
+            return new error.SyntaxReferenceError('Unknown at-rule', '@' + atruleName);
+        }
+    }
+    checkAtrulePrelude(atruleName, prelude) {
+        const error = this.checkAtruleName(atruleName);
+
+        if (error) {
+            return error;
+        }
+
+        const atrule = this.getAtrule(atruleName);
+
+        if (!atrule.prelude && prelude) {
+            return new SyntaxError('At-rule `@' + atruleName + '` should not contain a prelude');
+        }
+
+        if (atrule.prelude && !prelude) {
+            if (!matchSyntax(this, atrule.prelude, '', false).matched) {
+                return new SyntaxError('At-rule `@' + atruleName + '` should contain a prelude');
+            }
+        }
+    }
+    checkAtruleDescriptorName(atruleName, descriptorName) {
+        const error$1 = this.checkAtruleName(atruleName);
+
+        if (error$1) {
+            return error$1;
+        }
+
+        const atrule = this.getAtrule(atruleName);
+        const descriptor = names.keyword(descriptorName);
+
+        if (!atrule.descriptors) {
+            return new SyntaxError('At-rule `@' + atruleName + '` has no known descriptors');
+        }
+
+        if (!atrule.descriptors[descriptor.name] &&
+            !atrule.descriptors[descriptor.basename]) {
+            return new error.SyntaxReferenceError('Unknown at-rule descriptor', descriptorName);
+        }
+    }
+    checkPropertyName(propertyName) {
+        if (!this.getProperty(propertyName)) {
+            return new error.SyntaxReferenceError('Unknown property', propertyName);
+        }
+    }
+
+    matchAtrulePrelude(atruleName, prelude) {
+        const error = this.checkAtrulePrelude(atruleName, prelude);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        const atrule = this.getAtrule(atruleName);
+
+        if (!atrule.prelude) {
+            return buildMatchResult(null, null);
+        }
+
+        return matchSyntax(this, atrule.prelude, prelude || '', false);
+    }
+    matchAtruleDescriptor(atruleName, descriptorName, value) {
+        const error = this.checkAtruleDescriptorName(atruleName, descriptorName);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        const atrule = this.getAtrule(atruleName);
+        const descriptor = names.keyword(descriptorName);
+
+        return matchSyntax(this, atrule.descriptors[descriptor.name] || atrule.descriptors[descriptor.basename], value, false);
+    }
+    matchDeclaration(node) {
+        if (node.type !== 'Declaration') {
+            return buildMatchResult(null, new Error('Not a Declaration node'));
+        }
+
+        return this.matchProperty(node.property, node.value);
+    }
+    matchProperty(propertyName, value) {
+        // don't match syntax for a custom property at the moment
+        if (names.property(propertyName).custom) {
+            return buildMatchResult(null, new Error('Lexer matching doesn\'t applicable for custom properties'));
+        }
+
+        const error = this.checkPropertyName(propertyName);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        return matchSyntax(this, this.getProperty(propertyName), value, true);
+    }
+    matchType(typeName, value) {
+        const typeSyntax = this.getType(typeName);
+
+        if (!typeSyntax) {
+            return buildMatchResult(null, new error.SyntaxReferenceError('Unknown type', typeName));
+        }
+
+        return matchSyntax(this, typeSyntax, value, false);
+    }
+    match(syntax, value) {
+        if (typeof syntax !== 'string' && (!syntax || !syntax.type)) {
+            return buildMatchResult(null, new error.SyntaxReferenceError('Bad syntax'));
+        }
+
+        if (typeof syntax === 'string' || !syntax.match) {
+            syntax = this.createDescriptor(syntax, 'Type', 'anonymous');
+        }
+
+        return matchSyntax(this, syntax, value, false);
+    }
+
+    findValueFragments(propertyName, value, type, name) {
+        return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name);
+    }
+    findDeclarationValueFragments(declaration, type, name) {
+        return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);
+    }
+    findAllFragments(ast, type, name) {
+        const result = [];
+
+        this.syntax.walk(ast, {
+            visit: 'Declaration',
+            enter: (declaration) => {
+                result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));
+            }
+        });
+
+        return result;
+    }
+
+    getAtrule(atruleName, fallbackBasename = true) {
+        const atrule = names.keyword(atruleName);
+        const atruleEntry = atrule.vendor && fallbackBasename
+            ? this.atrules[atrule.name] || this.atrules[atrule.basename]
+            : this.atrules[atrule.name];
+
+        return atruleEntry || null;
+    }
+    getAtrulePrelude(atruleName, fallbackBasename = true) {
+        const atrule = this.getAtrule(atruleName, fallbackBasename);
+
+        return atrule && atrule.prelude || null;
+    }
+    getAtruleDescriptor(atruleName, name) {
+        return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators
+            ? this.atrules[atruleName].declarators[name] || null
+            : null;
+    }
+    getProperty(propertyName, fallbackBasename = true) {
+        const property = names.property(propertyName);
+        const propertyEntry = property.vendor && fallbackBasename
+            ? this.properties[property.name] || this.properties[property.basename]
+            : this.properties[property.name];
+
+        return propertyEntry || null;
+    }
+    getType(name) {
+        return hasOwnProperty.call(this.types, name) ? this.types[name] : null;
+    }
+
+    validate() {
+        function validate(syntax, name, broken, descriptor) {
+            if (broken.has(name)) {
+                return broken.get(name);
+            }
+
+            broken.set(name, false);
+            if (descriptor.syntax !== null) {
+                walk.walk(descriptor.syntax, function(node) {
+                    if (node.type !== 'Type' && node.type !== 'Property') {
+                        return;
+                    }
+
+                    const map = node.type === 'Type' ? syntax.types : syntax.properties;
+                    const brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;
+
+                    if (!hasOwnProperty.call(map, node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {
+                        broken.set(name, true);
+                    }
+                }, this);
+            }
+        }
+
+        let brokenTypes = new Map();
+        let brokenProperties = new Map();
+
+        for (const key in this.types) {
+            validate(this, key, brokenTypes, this.types[key]);
+        }
+
+        for (const key in this.properties) {
+            validate(this, key, brokenProperties, this.properties[key]);
+        }
+
+        brokenTypes = [...brokenTypes.keys()].filter(name => brokenTypes.get(name));
+        brokenProperties = [...brokenProperties.keys()].filter(name => brokenProperties.get(name));
+
+        if (brokenTypes.length || brokenProperties.length) {
+            return {
+                types: brokenTypes,
+                properties: brokenProperties
+            };
+        }
+
+        return null;
+    }
+    dump(syntaxAsAst, pretty) {
+        return {
+            generic: this.generic,
+            units: this.units,
+            types: dumpMapSyntax(this.types, !pretty, syntaxAsAst),
+            properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst),
+            atrules: dumpAtruleMapSyntax(this.atrules, !pretty, syntaxAsAst)
+        };
+    }
+    toString() {
+        return JSON.stringify(this.dump());
+    }
+}
+
+exports.Lexer = Lexer;
+
+},{"../definition-syntax/generate.cjs":17,"../definition-syntax/parse.cjs":19,"../definition-syntax/walk.cjs":21,"../utils/names.cjs":118,"./error.cjs":27,"./generic-const.cjs":29,"./generic.cjs":31,"./match-graph.cjs":32,"./match.cjs":33,"./prepare-tokens.cjs":34,"./search.cjs":35,"./structure.cjs":36,"./trace.cjs":37,"./units.cjs":38}],27:[function(require,module,exports){
+'use strict';
+
+const createCustomError = require('../utils/create-custom-error.cjs');
+const generate = require('../definition-syntax/generate.cjs');
+
+const defaultLoc = { offset: 0, line: 1, column: 1 };
+
+function locateMismatch(matchResult, node) {
+    const tokens = matchResult.tokens;
+    const longestMatch = matchResult.longestMatch;
+    const mismatchNode = longestMatch < tokens.length ? tokens[longestMatch].node || null : null;
+    const badNode = mismatchNode !== node ? mismatchNode : null;
+    let mismatchOffset = 0;
+    let mismatchLength = 0;
+    let entries = 0;
+    let css = '';
+    let start;
+    let end;
+
+    for (let i = 0; i < tokens.length; i++) {
+        const token = tokens[i].value;
+
+        if (i === longestMatch) {
+            mismatchLength = token.length;
+            mismatchOffset = css.length;
+        }
+
+        if (badNode !== null && tokens[i].node === badNode) {
+            if (i <= longestMatch) {
+                entries++;
+            } else {
+                entries = 0;
+            }
+        }
+
+        css += token;
+    }
+
+    if (longestMatch === tokens.length || entries > 1) { // last
+        start = fromLoc(badNode || node, 'end') || buildLoc(defaultLoc, css);
+        end = buildLoc(start);
+    } else {
+        start = fromLoc(badNode, 'start') ||
+            buildLoc(fromLoc(node, 'start') || defaultLoc, css.slice(0, mismatchOffset));
+        end = fromLoc(badNode, 'end') ||
+            buildLoc(start, css.substr(mismatchOffset, mismatchLength));
+    }
+
+    return {
+        css,
+        mismatchOffset,
+        mismatchLength,
+        start,
+        end
+    };
+}
+
+function fromLoc(node, point) {
+    const value = node && node.loc && node.loc[point];
+
+    if (value) {
+        return 'line' in value ? buildLoc(value) : value;
+    }
+
+    return null;
+}
+
+function buildLoc({ offset, line, column }, extra) {
+    const loc = {
+        offset,
+        line,
+        column
+    };
+
+    if (extra) {
+        const lines = extra.split(/\n|\r\n?|\f/);
+
+        loc.offset += extra.length;
+        loc.line += lines.length - 1;
+        loc.column = lines.length === 1 ? loc.column + extra.length : lines.pop().length + 1;
+    }
+
+    return loc;
+}
+
+const SyntaxReferenceError = function(type, referenceName) {
+    const error = createCustomError.createCustomError(
+        'SyntaxReferenceError',
+        type + (referenceName ? ' `' + referenceName + '`' : '')
+    );
+
+    error.reference = referenceName;
+
+    return error;
+};
+
+const SyntaxMatchError = function(message, syntax, node, matchResult) {
+    const error = createCustomError.createCustomError('SyntaxMatchError', message);
+    const {
+        css,
+        mismatchOffset,
+        mismatchLength,
+        start,
+        end
+    } = locateMismatch(matchResult, node);
+
+    error.rawMessage = message;
+    error.syntax = syntax ? generate.generate(syntax) : '<generic>';
+    error.css = css;
+    error.mismatchOffset = mismatchOffset;
+    error.mismatchLength = mismatchLength;
+    error.message = message + '\n' +
+        '  syntax: ' + error.syntax + '\n' +
+        '   value: ' + (css || '<empty string>') + '\n' +
+        '  --------' + new Array(error.mismatchOffset + 1).join('-') + '^';
+
+    Object.assign(error, start);
+    error.loc = {
+        source: (node && node.loc && node.loc.source) || '<unknown>',
+        start,
+        end
+    };
+
+    return error;
+};
+
+exports.SyntaxMatchError = SyntaxMatchError;
+exports.SyntaxReferenceError = SyntaxReferenceError;
+
+},{"../definition-syntax/generate.cjs":17,"../utils/create-custom-error.cjs":116}],28:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const types = require('../tokenizer/types.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
+const N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)
+const DISALLOW_SIGN = true;
+const ALLOW_SIGN = false;
+
+function isDelim(token, code) {
+    return token !== null && token.type === types.Delim && token.value.charCodeAt(0) === code;
+}
+
+function skipSC(token, offset, getNextToken) {
+    while (token !== null && (token.type === types.WhiteSpace || token.type === types.Comment)) {
+        token = getNextToken(++offset);
+    }
+
+    return offset;
+}
+
+function checkInteger(token, valueOffset, disallowSign, offset) {
+    if (!token) {
+        return 0;
+    }
+
+    const code = token.value.charCodeAt(valueOffset);
+
+    if (code === PLUSSIGN || code === HYPHENMINUS) {
+        if (disallowSign) {
+            // Number sign is not allowed
+            return 0;
+        }
+        valueOffset++;
+    }
+
+    for (; valueOffset < token.value.length; valueOffset++) {
+        if (!charCodeDefinitions.isDigit(token.value.charCodeAt(valueOffset))) {
+            // Integer is expected
+            return 0;
+        }
+    }
+
+    return offset + 1;
+}
+
+// ... <signed-integer>
+// ... ['+' | '-'] <signless-integer>
+function consumeB(token, offset_, getNextToken) {
+    let sign = false;
+    let offset = skipSC(token, offset_, getNextToken);
+
+    token = getNextToken(offset);
+
+    if (token === null) {
+        return offset_;
+    }
+
+    if (token.type !== types.Number) {
+        if (isDelim(token, PLUSSIGN) || isDelim(token, HYPHENMINUS)) {
+            sign = true;
+            offset = skipSC(getNextToken(++offset), offset, getNextToken);
+            token = getNextToken(offset);
+
+            if (token === null || token.type !== types.Number) {
+                return 0;
+            }
+        } else {
+            return offset_;
+        }
+    }
+
+    if (!sign) {
+        const code = token.value.charCodeAt(0);
+        if (code !== PLUSSIGN && code !== HYPHENMINUS) {
+            // Number sign is expected
+            return 0;
+        }
+    }
+
+    return checkInteger(token, sign ? 0 : 1, sign, offset);
+}
+
+// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb
+function anPlusB(token, getNextToken) {
+    /* eslint-disable brace-style*/
+    let offset = 0;
+
+    if (!token) {
+        return 0;
+    }
+
+    // <integer>
+    if (token.type === types.Number) {
+        return checkInteger(token, 0, ALLOW_SIGN, offset); // b
+    }
+
+    // -n
+    // -n <signed-integer>
+    // -n ['+' | '-'] <signless-integer>
+    // -n- <signless-integer>
+    // <dashndashdigit-ident>
+    else if (token.type === types.Ident && token.value.charCodeAt(0) === HYPHENMINUS) {
+        // expect 1st char is N
+        if (!utils.cmpChar(token.value, 1, N)) {
+            return 0;
+        }
+
+        switch (token.value.length) {
+            // -n
+            // -n <signed-integer>
+            // -n ['+' | '-'] <signless-integer>
+            case 2:
+                return consumeB(getNextToken(++offset), offset, getNextToken);
+
+            // -n- <signless-integer>
+            case 3:
+                if (token.value.charCodeAt(2) !== HYPHENMINUS) {
+                    return 0;
+                }
+
+                offset = skipSC(getNextToken(++offset), offset, getNextToken);
+                token = getNextToken(offset);
+
+                return checkInteger(token, 0, DISALLOW_SIGN, offset);
+
+            // <dashndashdigit-ident>
+            default:
+                if (token.value.charCodeAt(2) !== HYPHENMINUS) {
+                    return 0;
+                }
+
+                return checkInteger(token, 3, DISALLOW_SIGN, offset);
+        }
+    }
+
+    // '+'? n
+    // '+'? n <signed-integer>
+    // '+'? n ['+' | '-'] <signless-integer>
+    // '+'? n- <signless-integer>
+    // '+'? <ndashdigit-ident>
+    else if (token.type === types.Ident || (isDelim(token, PLUSSIGN) && getNextToken(offset + 1).type === types.Ident)) {
+        // just ignore a plus
+        if (token.type !== types.Ident) {
+            token = getNextToken(++offset);
+        }
+
+        if (token === null || !utils.cmpChar(token.value, 0, N)) {
+            return 0;
+        }
+
+        switch (token.value.length) {
+            // '+'? n
+            // '+'? n <signed-integer>
+            // '+'? n ['+' | '-'] <signless-integer>
+            case 1:
+                return consumeB(getNextToken(++offset), offset, getNextToken);
+
+            // '+'? n- <signless-integer>
+            case 2:
+                if (token.value.charCodeAt(1) !== HYPHENMINUS) {
+                    return 0;
+                }
+
+                offset = skipSC(getNextToken(++offset), offset, getNextToken);
+                token = getNextToken(offset);
+
+                return checkInteger(token, 0, DISALLOW_SIGN, offset);
+
+            // '+'? <ndashdigit-ident>
+            default:
+                if (token.value.charCodeAt(1) !== HYPHENMINUS) {
+                    return 0;
+                }
+
+                return checkInteger(token, 2, DISALLOW_SIGN, offset);
+        }
+    }
+
+    // <ndashdigit-dimension>
+    // <ndash-dimension> <signless-integer>
+    // <n-dimension>
+    // <n-dimension> <signed-integer>
+    // <n-dimension> ['+' | '-'] <signless-integer>
+    else if (token.type === types.Dimension) {
+        let code = token.value.charCodeAt(0);
+        let sign = code === PLUSSIGN || code === HYPHENMINUS ? 1 : 0;
+        let i = sign;
+
+        for (; i < token.value.length; i++) {
+            if (!charCodeDefinitions.isDigit(token.value.charCodeAt(i))) {
+                break;
+            }
+        }
+
+        if (i === sign) {
+            // Integer is expected
+            return 0;
+        }
+
+        if (!utils.cmpChar(token.value, i, N)) {
+            return 0;
+        }
+
+        // <n-dimension>
+        // <n-dimension> <signed-integer>
+        // <n-dimension> ['+' | '-'] <signless-integer>
+        if (i + 1 === token.value.length) {
+            return consumeB(getNextToken(++offset), offset, getNextToken);
+        } else {
+            if (token.value.charCodeAt(i + 1) !== HYPHENMINUS) {
+                return 0;
+            }
+
+            // <ndash-dimension> <signless-integer>
+            if (i + 2 === token.value.length) {
+                offset = skipSC(getNextToken(++offset), offset, getNextToken);
+                token = getNextToken(offset);
+
+                return checkInteger(token, 0, DISALLOW_SIGN, offset);
+            }
+            // <ndashdigit-dimension>
+            else {
+                return checkInteger(token, i + 2, DISALLOW_SIGN, offset);
+            }
+        }
+    }
+
+    return 0;
+}
+
+module.exports = anPlusB;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/types.cjs":112,"../tokenizer/utils.cjs":113}],29:[function(require,module,exports){
+'use strict';
+
+// https://drafts.csswg.org/css-cascade-5/
+const cssWideKeywords = [
+    'initial',
+    'inherit',
+    'unset',
+    'revert',
+    'revert-layer'
+];
+
+exports.cssWideKeywords = cssWideKeywords;
+
+},{}],30:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const types = require('../tokenizer/types.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)
+const QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)
+const U = 0x0075;            // U+0075 LATIN SMALL LETTER U (u)
+
+function isDelim(token, code) {
+    return token !== null && token.type === types.Delim && token.value.charCodeAt(0) === code;
+}
+
+function startsWith(token, code) {
+    return token.value.charCodeAt(0) === code;
+}
+
+function hexSequence(token, offset, allowDash) {
+    let hexlen = 0;
+
+    for (let pos = offset; pos < token.value.length; pos++) {
+        const code = token.value.charCodeAt(pos);
+
+        if (code === HYPHENMINUS && allowDash && hexlen !== 0) {
+            hexSequence(token, offset + hexlen + 1, false);
+            return 6; // dissallow following question marks
+        }
+
+        if (!charCodeDefinitions.isHexDigit(code)) {
+            return 0; // not a hex digit
+        }
+
+        if (++hexlen > 6) {
+            return 0; // too many hex digits
+        }    }
+
+    return hexlen;
+}
+
+function withQuestionMarkSequence(consumed, length, getNextToken) {
+    if (!consumed) {
+        return 0; // nothing consumed
+    }
+
+    while (isDelim(getNextToken(length), QUESTIONMARK)) {
+        if (++consumed > 6) {
+            return 0; // too many question marks
+        }
+
+        length++;
+    }
+
+    return length;
+}
+
+// https://drafts.csswg.org/css-syntax/#urange
+// Informally, the <urange> production has three forms:
+// U+0001
+//      Defines a range consisting of a single code point, in this case the code point "1".
+// U+0001-00ff
+//      Defines a range of codepoints between the first and the second value, in this case
+//      the range between "1" and "ff" (255 in decimal) inclusive.
+// U+00??
+//      Defines a range of codepoints where the "?" characters range over all hex digits,
+//      in this case defining the same as the value U+0000-00ff.
+// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat "?" as a hexadecimal digit).
+//
+// <urange> =
+//   u '+' <ident-token> '?'* |
+//   u <dimension-token> '?'* |
+//   u <number-token> '?'* |
+//   u <number-token> <dimension-token> |
+//   u <number-token> <number-token> |
+//   u '+' '?'+
+function urange(token, getNextToken) {
+    let length = 0;
+
+    // should start with `u` or `U`
+    if (token === null || token.type !== types.Ident || !utils.cmpChar(token.value, 0, U)) {
+        return 0;
+    }
+
+    token = getNextToken(++length);
+    if (token === null) {
+        return 0;
+    }
+
+    // u '+' <ident-token> '?'*
+    // u '+' '?'+
+    if (isDelim(token, PLUSSIGN)) {
+        token = getNextToken(++length);
+        if (token === null) {
+            return 0;
+        }
+
+        if (token.type === types.Ident) {
+            // u '+' <ident-token> '?'*
+            return withQuestionMarkSequence(hexSequence(token, 0, true), ++length, getNextToken);
+        }
+
+        if (isDelim(token, QUESTIONMARK)) {
+            // u '+' '?'+
+            return withQuestionMarkSequence(1, ++length, getNextToken);
+        }
+
+        // Hex digit or question mark is expected
+        return 0;
+    }
+
+    // u <number-token> '?'*
+    // u <number-token> <dimension-token>
+    // u <number-token> <number-token>
+    if (token.type === types.Number) {
+        const consumedHexLength = hexSequence(token, 1, true);
+        if (consumedHexLength === 0) {
+            return 0;
+        }
+
+        token = getNextToken(++length);
+        if (token === null) {
+            // u <number-token> <eof>
+            return length;
+        }
+
+        if (token.type === types.Dimension || token.type === types.Number) {
+            // u <number-token> <dimension-token>
+            // u <number-token> <number-token>
+            if (!startsWith(token, HYPHENMINUS) || !hexSequence(token, 1, false)) {
+                return 0;
+            }
+
+            return length + 1;
+        }
+
+        // u <number-token> '?'*
+        return withQuestionMarkSequence(consumedHexLength, length, getNextToken);
+    }
+
+    // u <dimension-token> '?'*
+    if (token.type === types.Dimension) {
+        return withQuestionMarkSequence(hexSequence(token, 1, true), ++length, getNextToken);
+    }
+
+    return 0;
+}
+
+module.exports = urange;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/types.cjs":112,"../tokenizer/utils.cjs":113}],31:[function(require,module,exports){
+'use strict';
+
+const genericConst = require('./generic-const.cjs');
+const genericAnPlusB = require('./generic-an-plus-b.cjs');
+const genericUrange = require('./generic-urange.cjs');
+const types = require('../tokenizer/types.cjs');
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];
+const balancePair = new Map([
+    [types.Function, types.RightParenthesis],
+    [types.LeftParenthesis, types.RightParenthesis],
+    [types.LeftSquareBracket, types.RightSquareBracket],
+    [types.LeftCurlyBracket, types.RightCurlyBracket]
+]);
+
+// safe char code getter
+function charCodeAt(str, index) {
+    return index < str.length ? str.charCodeAt(index) : 0;
+}
+
+function eqStr(actual, expected) {
+    return utils.cmpStr(actual, 0, actual.length, expected);
+}
+
+function eqStrAny(actual, expected) {
+    for (let i = 0; i < expected.length; i++) {
+        if (eqStr(actual, expected[i])) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// IE postfix hack, i.e. 123\0 or 123px\9
+function isPostfixIeHack(str, offset) {
+    if (offset !== str.length - 2) {
+        return false;
+    }
+
+    return (
+        charCodeAt(str, offset) === 0x005C &&  // U+005C REVERSE SOLIDUS (\)
+        charCodeDefinitions.isDigit(charCodeAt(str, offset + 1))
+    );
+}
+
+function outOfRange(opts, value, numEnd) {
+    if (opts && opts.type === 'Range') {
+        const num = Number(
+            numEnd !== undefined && numEnd !== value.length
+                ? value.substr(0, numEnd)
+                : value
+        );
+
+        if (isNaN(num)) {
+            return true;
+        }
+
+        // FIXME: when opts.min is a string it's a dimension, skip a range validation
+        // for now since it requires a type covertation which is not implmented yet
+        if (opts.min !== null && num < opts.min && typeof opts.min !== 'string') {
+            return true;
+        }
+
+        // FIXME: when opts.max is a string it's a dimension, skip a range validation
+        // for now since it requires a type covertation which is not implmented yet
+        if (opts.max !== null && num > opts.max && typeof opts.max !== 'string') {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function consumeFunction(token, getNextToken) {
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // balanced token consuming
+    scan:
+    do {
+        switch (token.type) {
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+
+                if (balanceStash.length === 0) {
+                    length++;
+                    break scan;
+                }
+
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// TODO: implement
+// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed
+// https://drafts.csswg.org/css-values/#calc-notation
+function calc(next) {
+    return function(token, getNextToken, opts) {
+        if (token === null) {
+            return 0;
+        }
+
+        if (token.type === types.Function && eqStrAny(token.value, calcFunctionNames)) {
+            return consumeFunction(token, getNextToken);
+        }
+
+        return next(token, getNextToken, opts);
+    };
+}
+
+function tokenType(expectedTokenType) {
+    return function(token) {
+        if (token === null || token.type !== expectedTokenType) {
+            return 0;
+        }
+
+        return 1;
+    };
+}
+
+// =========================
+// Complex types
+//
+
+// https://drafts.csswg.org/css-values-4/#custom-idents
+// 4.2. Author-defined Identifiers: the <custom-ident> type
+// Some properties accept arbitrary author-defined identifiers as a component value.
+// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier
+// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.
+//
+// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident
+function customIdent(token) {
+    if (token === null || token.type !== types.Ident) {
+        return 0;
+    }
+
+    const name = token.value.toLowerCase();
+
+    // The CSS-wide keywords are not valid <custom-ident>s
+    if (eqStrAny(name, genericConst.cssWideKeywords)) {
+        return 0;
+    }
+
+    // The default keyword is reserved and is also not a valid <custom-ident>
+    if (eqStr(name, 'default')) {
+        return 0;
+    }
+
+    // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)
+    // Specifications using <custom-ident> must specify clearly what other keywords
+    // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords
+    // in that property’s value definition are excluded. Excluded keywords are excluded
+    // in all ASCII case permutations.
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-variables/#typedef-custom-property-name
+// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.
+// The <custom-property-name> production corresponds to this: it’s defined as any valid identifier
+// that starts with two dashes, except -- itself, which is reserved for future use by CSS.
+// NOTE: Current implementation treat `--` as a valid name since most (all?) major browsers treat it as valid.
+function customPropertyName(token) {
+    // ... defined as any valid identifier
+    if (token === null || token.type !== types.Ident) {
+        return 0;
+    }
+
+    // ... that starts with two dashes (U+002D HYPHEN-MINUS)
+    if (charCodeAt(token.value, 0) !== 0x002D || charCodeAt(token.value, 1) !== 0x002D) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-color-4/#hex-notation
+// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.
+// In other words, a hex color is written as a hash character, "#", followed by some number of digits 0-9 or
+// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).
+function hexColor(token) {
+    if (token === null || token.type !== types.Hash) {
+        return 0;
+    }
+
+    const length = token.value.length;
+
+    // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)
+    if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {
+        return 0;
+    }
+
+    for (let i = 1; i < length; i++) {
+        if (!charCodeDefinitions.isHexDigit(charCodeAt(token.value, i))) {
+            return 0;
+        }
+    }
+
+    return 1;
+}
+
+function idSelector(token) {
+    if (token === null || token.type !== types.Hash) {
+        return 0;
+    }
+
+    if (!charCodeDefinitions.isIdentifierStart(charCodeAt(token.value, 1), charCodeAt(token.value, 2), charCodeAt(token.value, 3))) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-syntax/#any-value
+// It represents the entirety of what a valid declaration can have as its value.
+function declarationValue(token, getNextToken) {
+    if (!token) {
+        return 0;
+    }
+
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // The <declaration-value> production matches any sequence of one or more tokens,
+    // so long as the sequence does not contain ...
+    scan:
+    do {
+        switch (token.type) {
+            // ... <bad-string-token>, <bad-url-token>,
+            case types.BadString:
+            case types.BadUrl:
+                break scan;
+
+            // ... unmatched <)-token>, <]-token>, or <}-token>,
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+                break;
+
+            // ... or top-level <semicolon-token> tokens
+            case types.Semicolon:
+                if (balanceCloseType === 0) {
+                    break scan;
+                }
+
+                break;
+
+            // ... or <delim-token> tokens with a value of "!"
+            case types.Delim:
+                if (balanceCloseType === 0 && token.value === '!') {
+                    break scan;
+                }
+
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// https://drafts.csswg.org/css-syntax/#any-value
+// The <any-value> production is identical to <declaration-value>, but also
+// allows top-level <semicolon-token> tokens and <delim-token> tokens
+// with a value of "!". It represents the entirety of what valid CSS can be in any context.
+function anyValue(token, getNextToken) {
+    if (!token) {
+        return 0;
+    }
+
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // The <any-value> production matches any sequence of one or more tokens,
+    // so long as the sequence ...
+    scan:
+    do {
+        switch (token.type) {
+            // ... does not contain <bad-string-token>, <bad-url-token>,
+            case types.BadString:
+            case types.BadUrl:
+                break scan;
+
+            // ... unmatched <)-token>, <]-token>, or <}-token>,
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// =========================
+// Dimensions
+//
+
+function dimension(type) {
+    if (type) {
+        type = new Set(type);
+    }
+
+    return function(token, getNextToken, opts) {
+        if (token === null || token.type !== types.Dimension) {
+            return 0;
+        }
+
+        const numberEnd = utils.consumeNumber(token.value, 0);
+
+        // check unit
+        if (type !== null) {
+            // check for IE postfix hack, i.e. 123px\0 or 123px\9
+            const reverseSolidusOffset = token.value.indexOf('\\', numberEnd);
+            const unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)
+                ? token.value.substr(numberEnd)
+                : token.value.substring(numberEnd, reverseSolidusOffset);
+
+            if (type.has(unit.toLowerCase()) === false) {
+                return 0;
+            }
+        }
+
+        // check range if specified
+        if (outOfRange(opts, token.value, numberEnd)) {
+            return 0;
+        }
+
+        return 1;
+    };
+}
+
+// =========================
+// Percentage
+//
+
+// §5.5. Percentages: the <percentage> type
+// https://drafts.csswg.org/css-values-4/#percentages
+function percentage(token, getNextToken, opts) {
+    // ... corresponds to the <percentage-token> production
+    if (token === null || token.type !== types.Percentage) {
+        return 0;
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, token.value.length - 1)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// =========================
+// Numeric
+//
+
+// https://drafts.csswg.org/css-values-4/#numbers
+// The value <zero> represents a literal number with the value 0. Expressions that merely
+// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;
+// only literal <number-token>s do.
+function zero(next) {
+    if (typeof next !== 'function') {
+        next = function() {
+            return 0;
+        };
+    }
+
+    return function(token, getNextToken, opts) {
+        if (token !== null && token.type === types.Number) {
+            if (Number(token.value) === 0) {
+                return 1;
+            }
+        }
+
+        return next(token, getNextToken, opts);
+    };
+}
+
+// § 5.3. Real Numbers: the <number> type
+// https://drafts.csswg.org/css-values-4/#numbers
+// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.
+// ... It corresponds to the <number-token> production
+function number(token, getNextToken, opts) {
+    if (token === null) {
+        return 0;
+    }
+
+    const numberEnd = utils.consumeNumber(token.value, 0);
+    const isNumber = numberEnd === token.value.length;
+    if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {
+        return 0;
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, numberEnd)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// §5.2. Integers: the <integer> type
+// https://drafts.csswg.org/css-values-4/#integers
+function integer(token, getNextToken, opts) {
+    // ... corresponds to a subset of the <number-token> production
+    if (token === null || token.type !== types.Number) {
+        return 0;
+    }
+
+    // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.
+    let i = charCodeAt(token.value, 0) === 0x002B ||       // U+002B PLUS SIGN (+)
+            charCodeAt(token.value, 0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)
+
+    // When written literally, an integer is one or more decimal digits 0 through 9 ...
+    for (; i < token.value.length; i++) {
+        if (!charCodeDefinitions.isDigit(charCodeAt(token.value, i))) {
+            return 0;
+        }
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, i)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// token types
+const tokenTypes = {
+    'ident-token': tokenType(types.Ident),
+    'function-token': tokenType(types.Function),
+    'at-keyword-token': tokenType(types.AtKeyword),
+    'hash-token': tokenType(types.Hash),
+    'string-token': tokenType(types.String),
+    'bad-string-token': tokenType(types.BadString),
+    'url-token': tokenType(types.Url),
+    'bad-url-token': tokenType(types.BadUrl),
+    'delim-token': tokenType(types.Delim),
+    'number-token': tokenType(types.Number),
+    'percentage-token': tokenType(types.Percentage),
+    'dimension-token': tokenType(types.Dimension),
+    'whitespace-token': tokenType(types.WhiteSpace),
+    'CDO-token': tokenType(types.CDO),
+    'CDC-token': tokenType(types.CDC),
+    'colon-token': tokenType(types.Colon),
+    'semicolon-token': tokenType(types.Semicolon),
+    'comma-token': tokenType(types.Comma),
+    '[-token': tokenType(types.LeftSquareBracket),
+    ']-token': tokenType(types.RightSquareBracket),
+    '(-token': tokenType(types.LeftParenthesis),
+    ')-token': tokenType(types.RightParenthesis),
+    '{-token': tokenType(types.LeftCurlyBracket),
+    '}-token': tokenType(types.RightCurlyBracket)
+};
+
+// token production types
+const productionTypes = {
+    // token type aliases
+    'string': tokenType(types.String),
+    'ident': tokenType(types.Ident),
+
+    // percentage
+    'percentage': calc(percentage),
+
+    // numeric
+    'zero': zero(),
+    'number': calc(number),
+    'integer': calc(integer),
+
+    // complex types
+    'custom-ident': customIdent,
+    'custom-property-name': customPropertyName,
+    'hex-color': hexColor,
+    'id-selector': idSelector, // element( <id-selector> )
+    'an-plus-b': genericAnPlusB,
+    'urange': genericUrange,
+    'declaration-value': declarationValue,
+    'any-value': anyValue
+};
+
+// dimensions types depend on units set
+function createDemensionTypes(units) {
+    const {
+        angle,
+        decibel,
+        frequency,
+        flex,
+        length,
+        resolution,
+        semitones,
+        time
+    } = units || {};
+
+    return {
+        'dimension': calc(dimension(null)),
+        'angle': calc(dimension(angle)),
+        'decibel': calc(dimension(decibel)),
+        'frequency': calc(dimension(frequency)),
+        'flex': calc(dimension(flex)),
+        'length': calc(zero(dimension(length))),
+        'resolution': calc(dimension(resolution)),
+        'semitones': calc(dimension(semitones)),
+        'time': calc(dimension(time))
+    };
+}
+
+function createGenericTypes(units) {
+    return {
+        ...tokenTypes,
+        ...productionTypes,
+        ...createDemensionTypes(units)
+    };
+}
+
+exports.createDemensionTypes = createDemensionTypes;
+exports.createGenericTypes = createGenericTypes;
+exports.productionTypes = productionTypes;
+exports.tokenTypes = tokenTypes;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/types.cjs":112,"../tokenizer/utils.cjs":113,"./generic-an-plus-b.cjs":28,"./generic-const.cjs":29,"./generic-urange.cjs":30}],32:[function(require,module,exports){
+'use strict';
+
+const parse = require('../definition-syntax/parse.cjs');
+
+const MATCH = { type: 'Match' };
+const MISMATCH = { type: 'Mismatch' };
+const DISALLOW_EMPTY = { type: 'DisallowEmpty' };
+
+const LEFTPARENTHESIS = 40;  // (
+const RIGHTPARENTHESIS = 41; // )
+
+function createCondition(match, thenBranch, elseBranch) {
+    // reduce node count
+    if (thenBranch === MATCH && elseBranch === MISMATCH) {
+        return match;
+    }
+
+    if (match === MATCH && thenBranch === MATCH && elseBranch === MATCH) {
+        return match;
+    }
+
+    if (match.type === 'If' && match.else === MISMATCH && thenBranch === MATCH) {
+        thenBranch = match.then;
+        match = match.match;
+    }
+
+    return {
+        type: 'If',
+        match,
+        then: thenBranch,
+        else: elseBranch
+    };
+}
+
+function isFunctionType(name) {
+    return (
+        name.length > 2 &&
+        name.charCodeAt(name.length - 2) === LEFTPARENTHESIS &&
+        name.charCodeAt(name.length - 1) === RIGHTPARENTHESIS
+    );
+}
+
+function isEnumCapatible(term) {
+    return (
+        term.type === 'Keyword' ||
+        term.type === 'AtKeyword' ||
+        term.type === 'Function' ||
+        term.type === 'Type' && isFunctionType(term.name)
+    );
+}
+
+function buildGroupMatchGraph(combinator, terms, atLeastOneTermMatched) {
+    switch (combinator) {
+        case ' ': {
+            // Juxtaposing components means that all of them must occur, in the given order.
+            //
+            // a b c
+            // =
+            // match a
+            //   then match b
+            //     then match c
+            //       then MATCH
+            //       else MISMATCH
+            //     else MISMATCH
+            //   else MISMATCH
+            let result = MATCH;
+
+            for (let i = terms.length - 1; i >= 0; i--) {
+                const term = terms[i];
+
+                result = createCondition(
+                    term,
+                    result,
+                    MISMATCH
+                );
+            }
+            return result;
+        }
+
+        case '|': {
+            // A bar (|) separates two or more alternatives: exactly one of them must occur.
+            //
+            // a | b | c
+            // =
+            // match a
+            //   then MATCH
+            //   else match b
+            //     then MATCH
+            //     else match c
+            //       then MATCH
+            //       else MISMATCH
+
+            let result = MISMATCH;
+            let map = null;
+
+            for (let i = terms.length - 1; i >= 0; i--) {
+                let term = terms[i];
+
+                // reduce sequence of keywords into a Enum
+                if (isEnumCapatible(term)) {
+                    if (map === null && i > 0 && isEnumCapatible(terms[i - 1])) {
+                        map = Object.create(null);
+                        result = createCondition(
+                            {
+                                type: 'Enum',
+                                map
+                            },
+                            MATCH,
+                            result
+                        );
+                    }
+
+                    if (map !== null) {
+                        const key = (isFunctionType(term.name) ? term.name.slice(0, -1) : term.name).toLowerCase();
+                        if (key in map === false) {
+                            map[key] = term;
+                            continue;
+                        }
+                    }
+                }
+
+                map = null;
+
+                // create a new conditonal node
+                result = createCondition(
+                    term,
+                    MATCH,
+                    result
+                );
+            }
+            return result;
+        }
+
+        case '&&': {
+            // A double ampersand (&&) separates two or more components,
+            // all of which must occur, in any order.
+
+            // Use MatchOnce for groups with a large number of terms,
+            // since &&-groups produces at least N!-node trees
+            if (terms.length > 5) {
+                return {
+                    type: 'MatchOnce',
+                    terms,
+                    all: true
+                };
+            }
+
+            // Use a combination tree for groups with small number of terms
+            //
+            // a && b && c
+            // =
+            // match a
+            //   then [b && c]
+            //   else match b
+            //     then [a && c]
+            //     else match c
+            //       then [a && b]
+            //       else MISMATCH
+            //
+            // a && b
+            // =
+            // match a
+            //   then match b
+            //     then MATCH
+            //     else MISMATCH
+            //   else match b
+            //     then match a
+            //       then MATCH
+            //       else MISMATCH
+            //     else MISMATCH
+            let result = MISMATCH;
+
+            for (let i = terms.length - 1; i >= 0; i--) {
+                const term = terms[i];
+                let thenClause;
+
+                if (terms.length > 1) {
+                    thenClause = buildGroupMatchGraph(
+                        combinator,
+                        terms.filter(function(newGroupTerm) {
+                            return newGroupTerm !== term;
+                        }),
+                        false
+                    );
+                } else {
+                    thenClause = MATCH;
+                }
+
+                result = createCondition(
+                    term,
+                    thenClause,
+                    result
+                );
+            }
+            return result;
+        }
+
+        case '||': {
+            // A double bar (||) separates two or more options:
+            // one or more of them must occur, in any order.
+
+            // Use MatchOnce for groups with a large number of terms,
+            // since ||-groups produces at least N!-node trees
+            if (terms.length > 5) {
+                return {
+                    type: 'MatchOnce',
+                    terms,
+                    all: false
+                };
+            }
+
+            // Use a combination tree for groups with small number of terms
+            //
+            // a || b || c
+            // =
+            // match a
+            //   then [b || c]
+            //   else match b
+            //     then [a || c]
+            //     else match c
+            //       then [a || b]
+            //       else MISMATCH
+            //
+            // a || b
+            // =
+            // match a
+            //   then match b
+            //     then MATCH
+            //     else MATCH
+            //   else match b
+            //     then match a
+            //       then MATCH
+            //       else MATCH
+            //     else MISMATCH
+            let result = atLeastOneTermMatched ? MATCH : MISMATCH;
+
+            for (let i = terms.length - 1; i >= 0; i--) {
+                const term = terms[i];
+                let thenClause;
+
+                if (terms.length > 1) {
+                    thenClause = buildGroupMatchGraph(
+                        combinator,
+                        terms.filter(function(newGroupTerm) {
+                            return newGroupTerm !== term;
+                        }),
+                        true
+                    );
+                } else {
+                    thenClause = MATCH;
+                }
+
+                result = createCondition(
+                    term,
+                    thenClause,
+                    result
+                );
+            }
+            return result;
+        }
+    }
+}
+
+function buildMultiplierMatchGraph(node) {
+    let result = MATCH;
+    let matchTerm = buildMatchGraphInternal(node.term);
+
+    if (node.max === 0) {
+        // disable repeating of empty match to prevent infinite loop
+        matchTerm = createCondition(
+            matchTerm,
+            DISALLOW_EMPTY,
+            MISMATCH
+        );
+
+        // an occurrence count is not limited, make a cycle;
+        // to collect more terms on each following matching mismatch
+        result = createCondition(
+            matchTerm,
+            null, // will be a loop
+            MISMATCH
+        );
+
+        result.then = createCondition(
+            MATCH,
+            MATCH,
+            result // make a loop
+        );
+
+        if (node.comma) {
+            result.then.else = createCondition(
+                { type: 'Comma', syntax: node },
+                result,
+                MISMATCH
+            );
+        }
+    } else {
+        // create a match node chain for [min .. max] interval with optional matches
+        for (let i = node.min || 1; i <= node.max; i++) {
+            if (node.comma && result !== MATCH) {
+                result = createCondition(
+                    { type: 'Comma', syntax: node },
+                    result,
+                    MISMATCH
+                );
+            }
+
+            result = createCondition(
+                matchTerm,
+                createCondition(
+                    MATCH,
+                    MATCH,
+                    result
+                ),
+                MISMATCH
+            );
+        }
+    }
+
+    if (node.min === 0) {
+        // allow zero match
+        result = createCondition(
+            MATCH,
+            MATCH,
+            result
+        );
+    } else {
+        // create a match node chain to collect [0 ... min - 1] required matches
+        for (let i = 0; i < node.min - 1; i++) {
+            if (node.comma && result !== MATCH) {
+                result = createCondition(
+                    { type: 'Comma', syntax: node },
+                    result,
+                    MISMATCH
+                );
+            }
+
+            result = createCondition(
+                matchTerm,
+                result,
+                MISMATCH
+            );
+        }
+    }
+
+    return result;
+}
+
+function buildMatchGraphInternal(node) {
+    if (typeof node === 'function') {
+        return {
+            type: 'Generic',
+            fn: node
+        };
+    }
+
+    switch (node.type) {
+        case 'Group': {
+            let result = buildGroupMatchGraph(
+                node.combinator,
+                node.terms.map(buildMatchGraphInternal),
+                false
+            );
+
+            if (node.disallowEmpty) {
+                result = createCondition(
+                    result,
+                    DISALLOW_EMPTY,
+                    MISMATCH
+                );
+            }
+
+            return result;
+        }
+
+        case 'Multiplier':
+            return buildMultiplierMatchGraph(node);
+
+        case 'Type':
+        case 'Property':
+            return {
+                type: node.type,
+                name: node.name,
+                syntax: node
+            };
+
+        case 'Keyword':
+            return {
+                type: node.type,
+                name: node.name.toLowerCase(),
+                syntax: node
+            };
+
+        case 'AtKeyword':
+            return {
+                type: node.type,
+                name: '@' + node.name.toLowerCase(),
+                syntax: node
+            };
+
+        case 'Function':
+            return {
+                type: node.type,
+                name: node.name.toLowerCase() + '(',
+                syntax: node
+            };
+
+        case 'String':
+            // convert a one char length String to a Token
+            if (node.value.length === 3) {
+                return {
+                    type: 'Token',
+                    value: node.value.charAt(1),
+                    syntax: node
+                };
+            }
+
+            // otherwise use it as is
+            return {
+                type: node.type,
+                value: node.value.substr(1, node.value.length - 2).replace(/\\'/g, '\''),
+                syntax: node
+            };
+
+        case 'Token':
+            return {
+                type: node.type,
+                value: node.value,
+                syntax: node
+            };
+
+        case 'Comma':
+            return {
+                type: node.type,
+                syntax: node
+            };
+
+        default:
+            throw new Error('Unknown node type:', node.type);
+    }
+}
+
+function buildMatchGraph(syntaxTree, ref) {
+    if (typeof syntaxTree === 'string') {
+        syntaxTree = parse.parse(syntaxTree);
+    }
+
+    return {
+        type: 'MatchGraph',
+        match: buildMatchGraphInternal(syntaxTree),
+        syntax: ref || null,
+        source: syntaxTree
+    };
+}
+
+exports.DISALLOW_EMPTY = DISALLOW_EMPTY;
+exports.MATCH = MATCH;
+exports.MISMATCH = MISMATCH;
+exports.buildMatchGraph = buildMatchGraph;
+
+},{"../definition-syntax/parse.cjs":19}],33:[function(require,module,exports){
+'use strict';
+
+const matchGraph = require('./match-graph.cjs');
+const types = require('../tokenizer/types.cjs');
+
+const { hasOwnProperty } = Object.prototype;
+const STUB = 0;
+const TOKEN = 1;
+const OPEN_SYNTAX = 2;
+const CLOSE_SYNTAX = 3;
+
+const EXIT_REASON_MATCH = 'Match';
+const EXIT_REASON_MISMATCH = 'Mismatch';
+const EXIT_REASON_ITERATION_LIMIT = 'Maximum iteration number exceeded (please fill an issue on https://github.com/csstree/csstree/issues)';
+
+const ITERATION_LIMIT = 15000;
+
+function reverseList(list) {
+    let prev = null;
+    let next = null;
+    let item = list;
+
+    while (item !== null) {
+        next = item.prev;
+        item.prev = prev;
+        prev = item;
+        item = next;
+    }
+
+    return prev;
+}
+
+function areStringsEqualCaseInsensitive(testStr, referenceStr) {
+    if (testStr.length !== referenceStr.length) {
+        return false;
+    }
+
+    for (let i = 0; i < testStr.length; i++) {
+        const referenceCode = referenceStr.charCodeAt(i);
+        let testCode = testStr.charCodeAt(i);
+
+        // testCode.toLowerCase() for U+0041 LATIN CAPITAL LETTER A (A) .. U+005A LATIN CAPITAL LETTER Z (Z).
+        if (testCode >= 0x0041 && testCode <= 0x005A) {
+            testCode = testCode | 32;
+        }
+
+        if (testCode !== referenceCode) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+function isContextEdgeDelim(token) {
+    if (token.type !== types.Delim) {
+        return false;
+    }
+
+    // Fix matching for unicode-range: U+30??, U+FF00-FF9F
+    // Probably we need to check out previous match instead
+    return token.value !== '?';
+}
+
+function isCommaContextStart(token) {
+    if (token === null) {
+        return true;
+    }
+
+    return (
+        token.type === types.Comma ||
+        token.type === types.Function ||
+        token.type === types.LeftParenthesis ||
+        token.type === types.LeftSquareBracket ||
+        token.type === types.LeftCurlyBracket ||
+        isContextEdgeDelim(token)
+    );
+}
+
+function isCommaContextEnd(token) {
+    if (token === null) {
+        return true;
+    }
+
+    return (
+        token.type === types.RightParenthesis ||
+        token.type === types.RightSquareBracket ||
+        token.type === types.RightCurlyBracket ||
+        (token.type === types.Delim && token.value === '/')
+    );
+}
+
+function internalMatch(tokens, state, syntaxes) {
+    function moveToNextToken() {
+        do {
+            tokenIndex++;
+            token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;
+        } while (token !== null && (token.type === types.WhiteSpace || token.type === types.Comment));
+    }
+
+    function getNextToken(offset) {
+        const nextIndex = tokenIndex + offset;
+
+        return nextIndex < tokens.length ? tokens[nextIndex] : null;
+    }
+
+    function stateSnapshotFromSyntax(nextState, prev) {
+        return {
+            nextState,
+            matchStack,
+            syntaxStack,
+            thenStack,
+            tokenIndex,
+            prev
+        };
+    }
+
+    function pushThenStack(nextState) {
+        thenStack = {
+            nextState,
+            matchStack,
+            syntaxStack,
+            prev: thenStack
+        };
+    }
+
+    function pushElseStack(nextState) {
+        elseStack = stateSnapshotFromSyntax(nextState, elseStack);
+    }
+
+    function addTokenToMatch() {
+        matchStack = {
+            type: TOKEN,
+            syntax: state.syntax,
+            token,
+            prev: matchStack
+        };
+
+        moveToNextToken();
+        syntaxStash = null;
+
+        if (tokenIndex > longestMatch) {
+            longestMatch = tokenIndex;
+        }
+    }
+
+    function openSyntax() {
+        syntaxStack = {
+            syntax: state.syntax,
+            opts: state.syntax.opts || (syntaxStack !== null && syntaxStack.opts) || null,
+            prev: syntaxStack
+        };
+
+        matchStack = {
+            type: OPEN_SYNTAX,
+            syntax: state.syntax,
+            token: matchStack.token,
+            prev: matchStack
+        };
+    }
+
+    function closeSyntax() {
+        if (matchStack.type === OPEN_SYNTAX) {
+            matchStack = matchStack.prev;
+        } else {
+            matchStack = {
+                type: CLOSE_SYNTAX,
+                syntax: syntaxStack.syntax,
+                token: matchStack.token,
+                prev: matchStack
+            };
+        }
+
+        syntaxStack = syntaxStack.prev;
+    }
+
+    let syntaxStack = null;
+    let thenStack = null;
+    let elseStack = null;
+
+    // null – stashing allowed, nothing stashed
+    // false – stashing disabled, nothing stashed
+    // anithing else – fail stashable syntaxes, some syntax stashed
+    let syntaxStash = null;
+
+    let iterationCount = 0; // count iterations and prevent infinite loop
+    let exitReason = null;
+
+    let token = null;
+    let tokenIndex = -1;
+    let longestMatch = 0;
+    let matchStack = {
+        type: STUB,
+        syntax: null,
+        token: null,
+        prev: null
+    };
+
+    moveToNextToken();
+
+    while (exitReason === null && ++iterationCount < ITERATION_LIMIT) {
+        // function mapList(list, fn) {
+        //     const result = [];
+        //     while (list) {
+        //         result.unshift(fn(list));
+        //         list = list.prev;
+        //     }
+        //     return result;
+        // }
+        // console.log('--\n',
+        //     '#' + iterationCount,
+        //     require('util').inspect({
+        //         match: mapList(matchStack, x => x.type === TOKEN ? x.token && x.token.value : x.syntax ? ({ [OPEN_SYNTAX]: '<', [CLOSE_SYNTAX]: '</' }[x.type] || x.type) + '!' + x.syntax.name : null),
+        //         token: token && token.value,
+        //         tokenIndex,
+        //         syntax: syntax.type + (syntax.id ? ' #' + syntax.id : '')
+        //     }, { depth: null })
+        // );
+        switch (state.type) {
+            case 'Match':
+                if (thenStack === null) {
+                    // turn to MISMATCH when some tokens left unmatched
+                    if (token !== null) {
+                        // doesn't mismatch if just one token left and it's an IE hack
+                        if (tokenIndex !== tokens.length - 1 || (token.value !== '\\0' && token.value !== '\\9')) {
+                            state = matchGraph.MISMATCH;
+                            break;
+                        }
+                    }
+
+                    // break the main loop, return a result - MATCH
+                    exitReason = EXIT_REASON_MATCH;
+                    break;
+                }
+
+                // go to next syntax (`then` branch)
+                state = thenStack.nextState;
+
+                // check match is not empty
+                if (state === matchGraph.DISALLOW_EMPTY) {
+                    if (thenStack.matchStack === matchStack) {
+                        state = matchGraph.MISMATCH;
+                        break;
+                    } else {
+                        state = matchGraph.MATCH;
+                    }
+                }
+
+                // close syntax if needed
+                while (thenStack.syntaxStack !== syntaxStack) {
+                    closeSyntax();
+                }
+
+                // pop stack
+                thenStack = thenStack.prev;
+                break;
+
+            case 'Mismatch':
+                // when some syntax is stashed
+                if (syntaxStash !== null && syntaxStash !== false) {
+                    // there is no else branches or a branch reduce match stack
+                    if (elseStack === null || tokenIndex > elseStack.tokenIndex) {
+                        // restore state from the stash
+                        elseStack = syntaxStash;
+                        syntaxStash = false; // disable stashing
+                    }
+                } else if (elseStack === null) {
+                    // no else branches -> break the main loop
+                    // return a result - MISMATCH
+                    exitReason = EXIT_REASON_MISMATCH;
+                    break;
+                }
+
+                // go to next syntax (`else` branch)
+                state = elseStack.nextState;
+
+                // restore all the rest stack states
+                thenStack = elseStack.thenStack;
+                syntaxStack = elseStack.syntaxStack;
+                matchStack = elseStack.matchStack;
+                tokenIndex = elseStack.tokenIndex;
+                token = tokenIndex < tokens.length ? tokens[tokenIndex] : null;
+
+                // pop stack
+                elseStack = elseStack.prev;
+                break;
+
+            case 'MatchGraph':
+                state = state.match;
+                break;
+
+            case 'If':
+                // IMPORTANT: else stack push must go first,
+                // since it stores the state of thenStack before changes
+                if (state.else !== matchGraph.MISMATCH) {
+                    pushElseStack(state.else);
+                }
+
+                if (state.then !== matchGraph.MATCH) {
+                    pushThenStack(state.then);
+                }
+
+                state = state.match;
+                break;
+
+            case 'MatchOnce':
+                state = {
+                    type: 'MatchOnceBuffer',
+                    syntax: state,
+                    index: 0,
+                    mask: 0
+                };
+                break;
+
+            case 'MatchOnceBuffer': {
+                const terms = state.syntax.terms;
+
+                if (state.index === terms.length) {
+                    // no matches at all or it's required all terms to be matched
+                    if (state.mask === 0 || state.syntax.all) {
+                        state = matchGraph.MISMATCH;
+                        break;
+                    }
+
+                    // a partial match is ok
+                    state = matchGraph.MATCH;
+                    break;
+                }
+
+                // all terms are matched
+                if (state.mask === (1 << terms.length) - 1) {
+                    state = matchGraph.MATCH;
+                    break;
+                }
+
+                for (; state.index < terms.length; state.index++) {
+                    const matchFlag = 1 << state.index;
+
+                    if ((state.mask & matchFlag) === 0) {
+                        // IMPORTANT: else stack push must go first,
+                        // since it stores the state of thenStack before changes
+                        pushElseStack(state);
+                        pushThenStack({
+                            type: 'AddMatchOnce',
+                            syntax: state.syntax,
+                            mask: state.mask | matchFlag
+                        });
+
+                        // match
+                        state = terms[state.index++];
+                        break;
+                    }
+                }
+                break;
+            }
+
+            case 'AddMatchOnce':
+                state = {
+                    type: 'MatchOnceBuffer',
+                    syntax: state.syntax,
+                    index: 0,
+                    mask: state.mask
+                };
+                break;
+
+            case 'Enum':
+                if (token !== null) {
+                    let name = token.value.toLowerCase();
+
+                    // drop \0 and \9 hack from keyword name
+                    if (name.indexOf('\\') !== -1) {
+                        name = name.replace(/\\[09].*$/, '');
+                    }
+
+                    if (hasOwnProperty.call(state.map, name)) {
+                        state = state.map[name];
+                        break;
+                    }
+                }
+
+                state = matchGraph.MISMATCH;
+                break;
+
+            case 'Generic': {
+                const opts = syntaxStack !== null ? syntaxStack.opts : null;
+                const lastTokenIndex = tokenIndex + Math.floor(state.fn(token, getNextToken, opts));
+
+                if (!isNaN(lastTokenIndex) && lastTokenIndex > tokenIndex) {
+                    while (tokenIndex < lastTokenIndex) {
+                        addTokenToMatch();
+                    }
+
+                    state = matchGraph.MATCH;
+                } else {
+                    state = matchGraph.MISMATCH;
+                }
+
+                break;
+            }
+
+            case 'Type':
+            case 'Property': {
+                const syntaxDict = state.type === 'Type' ? 'types' : 'properties';
+                const dictSyntax = hasOwnProperty.call(syntaxes, syntaxDict) ? syntaxes[syntaxDict][state.name] : null;
+
+                if (!dictSyntax || !dictSyntax.match) {
+                    throw new Error(
+                        'Bad syntax reference: ' +
+                        (state.type === 'Type'
+                            ? '<' + state.name + '>'
+                            : '<\'' + state.name + '\'>')
+                    );
+                }
+
+                // stash a syntax for types with low priority
+                if (syntaxStash !== false && token !== null && state.type === 'Type') {
+                    const lowPriorityMatching =
+                        // https://drafts.csswg.org/css-values-4/#custom-idents
+                        // When parsing positionally-ambiguous keywords in a property value, a <custom-ident> production
+                        // can only claim the keyword if no other unfulfilled production can claim it.
+                        (state.name === 'custom-ident' && token.type === types.Ident) ||
+
+                        // https://drafts.csswg.org/css-values-4/#lengths
+                        // ... if a `0` could be parsed as either a <number> or a <length> in a property (such as line-height),
+                        // it must parse as a <number>
+                        (state.name === 'length' && token.value === '0');
+
+                    if (lowPriorityMatching) {
+                        if (syntaxStash === null) {
+                            syntaxStash = stateSnapshotFromSyntax(state, elseStack);
+                        }
+
+                        state = matchGraph.MISMATCH;
+                        break;
+                    }
+                }
+
+                openSyntax();
+                state = dictSyntax.match;
+                break;
+            }
+
+            case 'Keyword': {
+                const name = state.name;
+
+                if (token !== null) {
+                    let keywordName = token.value;
+
+                    // drop \0 and \9 hack from keyword name
+                    if (keywordName.indexOf('\\') !== -1) {
+                        keywordName = keywordName.replace(/\\[09].*$/, '');
+                    }
+
+                    if (areStringsEqualCaseInsensitive(keywordName, name)) {
+                        addTokenToMatch();
+                        state = matchGraph.MATCH;
+                        break;
+                    }
+                }
+
+                state = matchGraph.MISMATCH;
+                break;
+            }
+
+            case 'AtKeyword':
+            case 'Function':
+                if (token !== null && areStringsEqualCaseInsensitive(token.value, state.name)) {
+                    addTokenToMatch();
+                    state = matchGraph.MATCH;
+                    break;
+                }
+
+                state = matchGraph.MISMATCH;
+                break;
+
+            case 'Token':
+                if (token !== null && token.value === state.value) {
+                    addTokenToMatch();
+                    state = matchGraph.MATCH;
+                    break;
+                }
+
+                state = matchGraph.MISMATCH;
+                break;
+
+            case 'Comma':
+                if (token !== null && token.type === types.Comma) {
+                    if (isCommaContextStart(matchStack.token)) {
+                        state = matchGraph.MISMATCH;
+                    } else {
+                        addTokenToMatch();
+                        state = isCommaContextEnd(token) ? matchGraph.MISMATCH : matchGraph.MATCH;
+                    }
+                } else {
+                    state = isCommaContextStart(matchStack.token) || isCommaContextEnd(token) ? matchGraph.MATCH : matchGraph.MISMATCH;
+                }
+
+                break;
+
+            case 'String':
+                let string = '';
+                let lastTokenIndex = tokenIndex;
+
+                for (; lastTokenIndex < tokens.length && string.length < state.value.length; lastTokenIndex++) {
+                    string += tokens[lastTokenIndex].value;
+                }
+
+                if (areStringsEqualCaseInsensitive(string, state.value)) {
+                    while (tokenIndex < lastTokenIndex) {
+                        addTokenToMatch();
+                    }
+
+                    state = matchGraph.MATCH;
+                } else {
+                    state = matchGraph.MISMATCH;
+                }
+
+                break;
+
+            default:
+                throw new Error('Unknown node type: ' + state.type);
+        }
+    }
+
+    switch (exitReason) {
+        case null:
+            console.warn('[csstree-match] BREAK after ' + ITERATION_LIMIT + ' iterations');
+            exitReason = EXIT_REASON_ITERATION_LIMIT;
+            matchStack = null;
+            break;
+
+        case EXIT_REASON_MATCH:
+            while (syntaxStack !== null) {
+                closeSyntax();
+            }
+            break;
+
+        default:
+            matchStack = null;
+    }
+
+    return {
+        tokens,
+        reason: exitReason,
+        iterations: iterationCount,
+        match: matchStack,
+        longestMatch
+    };
+}
+
+function matchAsList(tokens, matchGraph, syntaxes) {
+    const matchResult = internalMatch(tokens, matchGraph, syntaxes || {});
+
+    if (matchResult.match !== null) {
+        let item = reverseList(matchResult.match).prev;
+
+        matchResult.match = [];
+
+        while (item !== null) {
+            switch (item.type) {
+                case OPEN_SYNTAX:
+                case CLOSE_SYNTAX:
+                    matchResult.match.push({
+                        type: item.type,
+                        syntax: item.syntax
+                    });
+                    break;
+
+                default:
+                    matchResult.match.push({
+                        token: item.token.value,
+                        node: item.token.node
+                    });
+                    break;
+            }
+
+            item = item.prev;
+        }
+    }
+
+    return matchResult;
+}
+
+function matchAsTree(tokens, matchGraph, syntaxes) {
+    const matchResult = internalMatch(tokens, matchGraph, syntaxes || {});
+
+    if (matchResult.match === null) {
+        return matchResult;
+    }
+
+    let item = matchResult.match;
+    let host = matchResult.match = {
+        syntax: matchGraph.syntax || null,
+        match: []
+    };
+    const hostStack = [host];
+
+    // revert a list and start with 2nd item since 1st is a stub item
+    item = reverseList(item).prev;
+
+    // build a tree
+    while (item !== null) {
+        switch (item.type) {
+            case OPEN_SYNTAX:
+                host.match.push(host = {
+                    syntax: item.syntax,
+                    match: []
+                });
+                hostStack.push(host);
+                break;
+
+            case CLOSE_SYNTAX:
+                hostStack.pop();
+                host = hostStack[hostStack.length - 1];
+                break;
+
+            default:
+                host.match.push({
+                    syntax: item.syntax || null,
+                    token: item.token.value,
+                    node: item.token.node
+                });
+        }
+
+        item = item.prev;
+    }
+
+    return matchResult;
+}
+
+exports.matchAsList = matchAsList;
+exports.matchAsTree = matchAsTree;
+
+},{"../tokenizer/types.cjs":112,"./match-graph.cjs":32}],34:[function(require,module,exports){
+'use strict';
+
+const index = require('../tokenizer/index.cjs');
+
+const astToTokens = {
+    decorator(handlers) {
+        const tokens = [];
+        let curNode = null;
+
+        return {
+            ...handlers,
+            node(node) {
+                const tmp = curNode;
+                curNode = node;
+                handlers.node.call(this, node);
+                curNode = tmp;
+            },
+            emit(value, type, auto) {
+                tokens.push({
+                    type,
+                    value,
+                    node: auto ? null : curNode
+                });
+            },
+            result() {
+                return tokens;
+            }
+        };
+    }
+};
+
+function stringToTokens(str) {
+    const tokens = [];
+
+    index.tokenize(str, (type, start, end) =>
+        tokens.push({
+            type,
+            value: str.slice(start, end),
+            node: null
+        })
+    );
+
+    return tokens;
+}
+
+function prepareTokens(value, syntax) {
+    if (typeof value === 'string') {
+        return stringToTokens(value);
+    }
+
+    return syntax.generate(value, astToTokens);
+}
+
+module.exports = prepareTokens;
+
+},{"../tokenizer/index.cjs":110}],35:[function(require,module,exports){
+'use strict';
+
+const List = require('../utils/List.cjs');
+
+function getFirstMatchNode(matchNode) {
+    if ('node' in matchNode) {
+        return matchNode.node;
+    }
+
+    return getFirstMatchNode(matchNode.match[0]);
+}
+
+function getLastMatchNode(matchNode) {
+    if ('node' in matchNode) {
+        return matchNode.node;
+    }
+
+    return getLastMatchNode(matchNode.match[matchNode.match.length - 1]);
+}
+
+function matchFragments(lexer, ast, match, type, name) {
+    function findFragments(matchNode) {
+        if (matchNode.syntax !== null &&
+            matchNode.syntax.type === type &&
+            matchNode.syntax.name === name) {
+            const start = getFirstMatchNode(matchNode);
+            const end = getLastMatchNode(matchNode);
+
+            lexer.syntax.walk(ast, function(node, item, list) {
+                if (node === start) {
+                    const nodes = new List.List();
+
+                    do {
+                        nodes.appendData(item.data);
+
+                        if (item.data === end) {
+                            break;
+                        }
+
+                        item = item.next;
+                    } while (item !== null);
+
+                    fragments.push({
+                        parent: list,
+                        nodes
+                    });
+                }
+            });
+        }
+
+        if (Array.isArray(matchNode.match)) {
+            matchNode.match.forEach(findFragments);
+        }
+    }
+
+    const fragments = [];
+
+    if (match.matched !== null) {
+        findFragments(match.matched);
+    }
+
+    return fragments;
+}
+
+exports.matchFragments = matchFragments;
+
+},{"../utils/List.cjs":114}],36:[function(require,module,exports){
+'use strict';
+
+const List = require('../utils/List.cjs');
+
+const { hasOwnProperty } = Object.prototype;
+
+function isValidNumber(value) {
+    // Number.isInteger(value) && value >= 0
+    return (
+        typeof value === 'number' &&
+        isFinite(value) &&
+        Math.floor(value) === value &&
+        value >= 0
+    );
+}
+
+function isValidLocation(loc) {
+    return (
+        Boolean(loc) &&
+        isValidNumber(loc.offset) &&
+        isValidNumber(loc.line) &&
+        isValidNumber(loc.column)
+    );
+}
+
+function createNodeStructureChecker(type, fields) {
+    return function checkNode(node, warn) {
+        if (!node || node.constructor !== Object) {
+            return warn(node, 'Type of node should be an Object');
+        }
+
+        for (let key in node) {
+            let valid = true;
+
+            if (hasOwnProperty.call(node, key) === false) {
+                continue;
+            }
+
+            if (key === 'type') {
+                if (node.type !== type) {
+                    warn(node, 'Wrong node type `' + node.type + '`, expected `' + type + '`');
+                }
+            } else if (key === 'loc') {
+                if (node.loc === null) {
+                    continue;
+                } else if (node.loc && node.loc.constructor === Object) {
+                    if (typeof node.loc.source !== 'string') {
+                        key += '.source';
+                    } else if (!isValidLocation(node.loc.start)) {
+                        key += '.start';
+                    } else if (!isValidLocation(node.loc.end)) {
+                        key += '.end';
+                    } else {
+                        continue;
+                    }
+                }
+
+                valid = false;
+            } else if (fields.hasOwnProperty(key)) {
+                valid = false;
+
+                for (let i = 0; !valid && i < fields[key].length; i++) {
+                    const fieldType = fields[key][i];
+
+                    switch (fieldType) {
+                        case String:
+                            valid = typeof node[key] === 'string';
+                            break;
+
+                        case Boolean:
+                            valid = typeof node[key] === 'boolean';
+                            break;
+
+                        case null:
+                            valid = node[key] === null;
+                            break;
+
+                        default:
+                            if (typeof fieldType === 'string') {
+                                valid = node[key] && node[key].type === fieldType;
+                            } else if (Array.isArray(fieldType)) {
+                                valid = node[key] instanceof List.List;
+                            }
+                    }
+                }
+            } else {
+                warn(node, 'Unknown field `' + key + '` for ' + type + ' node type');
+            }
+
+            if (!valid) {
+                warn(node, 'Bad value for `' + type + '.' + key + '`');
+            }
+        }
+
+        for (const key in fields) {
+            if (hasOwnProperty.call(fields, key) &&
+                hasOwnProperty.call(node, key) === false) {
+                warn(node, 'Field `' + type + '.' + key + '` is missed');
+            }
+        }
+    };
+}
+
+function processStructure(name, nodeType) {
+    const structure = nodeType.structure;
+    const fields = {
+        type: String,
+        loc: true
+    };
+    const docs = {
+        type: '"' + name + '"'
+    };
+
+    for (const key in structure) {
+        if (hasOwnProperty.call(structure, key) === false) {
+            continue;
+        }
+
+        const docsTypes = [];
+        const fieldTypes = fields[key] = Array.isArray(structure[key])
+            ? structure[key].slice()
+            : [structure[key]];
+
+        for (let i = 0; i < fieldTypes.length; i++) {
+            const fieldType = fieldTypes[i];
+            if (fieldType === String || fieldType === Boolean) {
+                docsTypes.push(fieldType.name);
+            } else if (fieldType === null) {
+                docsTypes.push('null');
+            } else if (typeof fieldType === 'string') {
+                docsTypes.push('<' + fieldType + '>');
+            } else if (Array.isArray(fieldType)) {
+                docsTypes.push('List'); // TODO: use type enum
+            } else {
+                throw new Error('Wrong value `' + fieldType + '` in `' + name + '.' + key + '` structure definition');
+            }
+        }
+
+        docs[key] = docsTypes.join(' | ');
+    }
+
+    return {
+        docs,
+        check: createNodeStructureChecker(name, fields)
+    };
+}
+
+function getStructureFromConfig(config) {
+    const structure = {};
+
+    if (config.node) {
+        for (const name in config.node) {
+            if (hasOwnProperty.call(config.node, name)) {
+                const nodeType = config.node[name];
+
+                if (nodeType.structure) {
+                    structure[name] = processStructure(name, nodeType);
+                } else {
+                    throw new Error('Missed `structure` field in `' + name + '` node type definition');
+                }
+            }
+        }
+    }
+
+    return structure;
+}
+
+exports.getStructureFromConfig = getStructureFromConfig;
+
+},{"../utils/List.cjs":114}],37:[function(require,module,exports){
+'use strict';
+
+function getTrace(node) {
+    function shouldPutToTrace(syntax) {
+        if (syntax === null) {
+            return false;
+        }
+
+        return (
+            syntax.type === 'Type' ||
+            syntax.type === 'Property' ||
+            syntax.type === 'Keyword'
+        );
+    }
+
+    function hasMatch(matchNode) {
+        if (Array.isArray(matchNode.match)) {
+            // use for-loop for better perfomance
+            for (let i = 0; i < matchNode.match.length; i++) {
+                if (hasMatch(matchNode.match[i])) {
+                    if (shouldPutToTrace(matchNode.syntax)) {
+                        result.unshift(matchNode.syntax);
+                    }
+
+                    return true;
+                }
+            }
+        } else if (matchNode.node === node) {
+            result = shouldPutToTrace(matchNode.syntax)
+                ? [matchNode.syntax]
+                : [];
+
+            return true;
+        }
+
+        return false;
+    }
+
+    let result = null;
+
+    if (this.matched !== null) {
+        hasMatch(this.matched);
+    }
+
+    return result;
+}
+
+function isType(node, type) {
+    return testNode(this, node, match => match.type === 'Type' && match.name === type);
+}
+
+function isProperty(node, property) {
+    return testNode(this, node, match => match.type === 'Property' && match.name === property);
+}
+
+function isKeyword(node) {
+    return testNode(this, node, match => match.type === 'Keyword');
+}
+
+function testNode(match, node, fn) {
+    const trace = getTrace.call(match, node);
+
+    if (trace === null) {
+        return false;
+    }
+
+    return trace.some(fn);
+}
+
+exports.getTrace = getTrace;
+exports.isKeyword = isKeyword;
+exports.isProperty = isProperty;
+exports.isType = isType;
+
+},{}],38:[function(require,module,exports){
+'use strict';
+
+const length = [
+    // absolute length units https://www.w3.org/TR/css-values-3/#lengths
+    'cm', 'mm', 'q', 'in', 'pt', 'pc', 'px',
+    // font-relative length units https://drafts.csswg.org/css-values-4/#font-relative-lengths
+    'em', 'rem',
+    'ex', 'rex',
+    'cap', 'rcap',
+    'ch', 'rch',
+    'ic', 'ric',
+    'lh', 'rlh',
+    // viewport-percentage lengths https://drafts.csswg.org/css-values-4/#viewport-relative-lengths
+    'vw', 'svw', 'lvw', 'dvw',
+    'vh', 'svh', 'lvh', 'dvh',
+    'vi', 'svi', 'lvi', 'dvi',
+    'vb', 'svb', 'lvb', 'dvb',
+    'vmin', 'svmin', 'lvmin', 'dvmin',
+    'vmax', 'svmax', 'lvmax', 'dvmax',
+    // container relative lengths https://drafts.csswg.org/css-contain-3/#container-lengths
+    'cqw', 'cqh', 'cqi', 'cqb', 'cqmin', 'cqmax'
+];
+const angle = ['deg', 'grad', 'rad', 'turn'];    // https://www.w3.org/TR/css-values-3/#angles
+const time = ['s', 'ms'];                        // https://www.w3.org/TR/css-values-3/#time
+const frequency = ['hz', 'khz'];                 // https://www.w3.org/TR/css-values-3/#frequency
+const resolution = ['dpi', 'dpcm', 'dppx', 'x']; // https://www.w3.org/TR/css-values-3/#resolution
+const flex = ['fr'];                             // https://drafts.csswg.org/css-grid/#fr-unit
+const decibel = ['db'];                          // https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume
+const semitones = ['st'];                        // https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch
+
+exports.angle = angle;
+exports.decibel = decibel;
+exports.flex = flex;
+exports.frequency = frequency;
+exports.length = length;
+exports.resolution = resolution;
+exports.semitones = semitones;
+exports.time = time;
+
+},{}],39:[function(require,module,exports){
+'use strict';
+
+const createCustomError = require('../utils/create-custom-error.cjs');
+
+const MAX_LINE_LENGTH = 100;
+const OFFSET_CORRECTION = 60;
+const TAB_REPLACEMENT = '    ';
+
+function sourceFragment({ source, line, column }, extraLines) {
+    function processLines(start, end) {
+        return lines
+            .slice(start, end)
+            .map((line, idx) =>
+                String(start + idx + 1).padStart(maxNumLength) + ' |' + line
+            ).join('\n');
+    }
+
+    const lines = source.split(/\r\n?|\n|\f/);
+    const startLine = Math.max(1, line - extraLines) - 1;
+    const endLine = Math.min(line + extraLines, lines.length + 1);
+    const maxNumLength = Math.max(4, String(endLine).length) + 1;
+    let cutLeft = 0;
+
+    // column correction according to replaced tab before column
+    column += (TAB_REPLACEMENT.length - 1) * (lines[line - 1].substr(0, column - 1).match(/\t/g) || []).length;
+
+    if (column > MAX_LINE_LENGTH) {
+        cutLeft = column - OFFSET_CORRECTION + 3;
+        column = OFFSET_CORRECTION - 2;
+    }
+
+    for (let i = startLine; i <= endLine; i++) {
+        if (i >= 0 && i < lines.length) {
+            lines[i] = lines[i].replace(/\t/g, TAB_REPLACEMENT);
+            lines[i] =
+                (cutLeft > 0 && lines[i].length > cutLeft ? '\u2026' : '') +
+                lines[i].substr(cutLeft, MAX_LINE_LENGTH - 2) +
+                (lines[i].length > cutLeft + MAX_LINE_LENGTH - 1 ? '\u2026' : '');
+        }
+    }
+
+    return [
+        processLines(startLine, line),
+        new Array(column + maxNumLength + 2).join('-') + '^',
+        processLines(line, endLine)
+    ].filter(Boolean).join('\n');
+}
+
+function SyntaxError(message, source, offset, line, column) {
+    const error = Object.assign(createCustomError.createCustomError('SyntaxError', message), {
+        source,
+        offset,
+        line,
+        column,
+        sourceFragment(extraLines) {
+            return sourceFragment({ source, line, column }, isNaN(extraLines) ? 0 : extraLines);
+        },
+        get formattedMessage() {
+            return (
+                `Parse error: ${message}\n` +
+                sourceFragment({ source, line, column }, 2)
+            );
+        }
+    });
+
+    return error;
+}
+
+exports.SyntaxError = SyntaxError;
+
+},{"../utils/create-custom-error.cjs":116}],40:[function(require,module,exports){
+'use strict';
+
+const List = require('../utils/List.cjs');
+const SyntaxError = require('./SyntaxError.cjs');
+const index = require('../tokenizer/index.cjs');
+const sequence = require('./sequence.cjs');
+const OffsetToLocation = require('../tokenizer/OffsetToLocation.cjs');
+const TokenStream = require('../tokenizer/TokenStream.cjs');
+const utils = require('../tokenizer/utils.cjs');
+const types = require('../tokenizer/types.cjs');
+const names = require('../tokenizer/names.cjs');
+
+const NOOP = () => {};
+const EXCLAMATIONMARK = 0x0021;  // U+0021 EXCLAMATION MARK (!)
+const NUMBERSIGN = 0x0023;       // U+0023 NUMBER SIGN (#)
+const SEMICOLON = 0x003B;        // U+003B SEMICOLON (;)
+const LEFTCURLYBRACKET = 0x007B; // U+007B LEFT CURLY BRACKET ({)
+const NULL = 0;
+
+function createParseContext(name) {
+    return function() {
+        return this[name]();
+    };
+}
+
+function fetchParseValues(dict) {
+    const result = Object.create(null);
+
+    for (const name in dict) {
+        const item = dict[name];
+        const fn = item.parse || item;
+
+        if (fn) {
+            result[name] = fn;
+        }
+    }
+
+    return result;
+}
+
+function processConfig(config) {
+    const parseConfig = {
+        context: Object.create(null),
+        scope: Object.assign(Object.create(null), config.scope),
+        atrule: fetchParseValues(config.atrule),
+        pseudo: fetchParseValues(config.pseudo),
+        node: fetchParseValues(config.node)
+    };
+
+    for (const name in config.parseContext) {
+        switch (typeof config.parseContext[name]) {
+            case 'function':
+                parseConfig.context[name] = config.parseContext[name];
+                break;
+
+            case 'string':
+                parseConfig.context[name] = createParseContext(config.parseContext[name]);
+                break;
+        }
+    }
+
+    return {
+        config: parseConfig,
+        ...parseConfig,
+        ...parseConfig.node
+    };
+}
+
+function createParser(config) {
+    let source = '';
+    let filename = '<unknown>';
+    let needPositions = false;
+    let onParseError = NOOP;
+    let onParseErrorThrow = false;
+
+    const locationMap = new OffsetToLocation.OffsetToLocation();
+    const parser = Object.assign(new TokenStream.TokenStream(), processConfig(config || {}), {
+        parseAtrulePrelude: true,
+        parseRulePrelude: true,
+        parseValue: true,
+        parseCustomProperty: false,
+
+        readSequence: sequence.readSequence,
+
+        consumeUntilBalanceEnd: () => 0,
+        consumeUntilLeftCurlyBracket(code) {
+            return code === LEFTCURLYBRACKET ? 1 : 0;
+        },
+        consumeUntilLeftCurlyBracketOrSemicolon(code) {
+            return code === LEFTCURLYBRACKET || code === SEMICOLON ? 1 : 0;
+        },
+        consumeUntilExclamationMarkOrSemicolon(code) {
+            return code === EXCLAMATIONMARK || code === SEMICOLON ? 1 : 0;
+        },
+        consumeUntilSemicolonIncluded(code) {
+            return code === SEMICOLON ? 2 : 0;
+        },
+
+        createList() {
+            return new List.List();
+        },
+        createSingleNodeList(node) {
+            return new List.List().appendData(node);
+        },
+        getFirstListNode(list) {
+            return list && list.first;
+        },
+        getLastListNode(list) {
+            return list && list.last;
+        },
+
+        parseWithFallback(consumer, fallback) {
+            const startToken = this.tokenIndex;
+
+            try {
+                return consumer.call(this);
+            } catch (e) {
+                if (onParseErrorThrow) {
+                    throw e;
+                }
+
+                const fallbackNode = fallback.call(this, startToken);
+
+                onParseErrorThrow = true;
+                onParseError(e, fallbackNode);
+                onParseErrorThrow = false;
+
+                return fallbackNode;
+            }
+        },
+
+        lookupNonWSType(offset) {
+            let type;
+
+            do {
+                type = this.lookupType(offset++);
+                if (type !== types.WhiteSpace) {
+                    return type;
+                }
+            } while (type !== NULL);
+
+            return NULL;
+        },
+
+        charCodeAt(offset) {
+            return offset >= 0 && offset < source.length ? source.charCodeAt(offset) : 0;
+        },
+        substring(offsetStart, offsetEnd) {
+            return source.substring(offsetStart, offsetEnd);
+        },
+        substrToCursor(start) {
+            return this.source.substring(start, this.tokenStart);
+        },
+
+        cmpChar(offset, charCode) {
+            return utils.cmpChar(source, offset, charCode);
+        },
+        cmpStr(offsetStart, offsetEnd, str) {
+            return utils.cmpStr(source, offsetStart, offsetEnd, str);
+        },
+
+        consume(tokenType) {
+            const start = this.tokenStart;
+
+            this.eat(tokenType);
+
+            return this.substrToCursor(start);
+        },
+        consumeFunctionName() {
+            const name = source.substring(this.tokenStart, this.tokenEnd - 1);
+
+            this.eat(types.Function);
+
+            return name;
+        },
+        consumeNumber(type) {
+            const number = source.substring(this.tokenStart, utils.consumeNumber(source, this.tokenStart));
+
+            this.eat(type);
+
+            return number;
+        },
+
+        eat(tokenType) {
+            if (this.tokenType !== tokenType) {
+                const tokenName = names[tokenType].slice(0, -6).replace(/-/g, ' ').replace(/^./, m => m.toUpperCase());
+                let message = `${/[[\](){}]/.test(tokenName) ? `"${tokenName}"` : tokenName} is expected`;
+                let offset = this.tokenStart;
+
+                // tweak message and offset
+                switch (tokenType) {
+                    case types.Ident:
+                        // when identifier is expected but there is a function or url
+                        if (this.tokenType === types.Function || this.tokenType === types.Url) {
+                            offset = this.tokenEnd - 1;
+                            message = 'Identifier is expected but function found';
+                        } else {
+                            message = 'Identifier is expected';
+                        }
+                        break;
+
+                    case types.Hash:
+                        if (this.isDelim(NUMBERSIGN)) {
+                            this.next();
+                            offset++;
+                            message = 'Name is expected';
+                        }
+                        break;
+
+                    case types.Percentage:
+                        if (this.tokenType === types.Number) {
+                            offset = this.tokenEnd;
+                            message = 'Percent sign is expected';
+                        }
+                        break;
+                }
+
+                this.error(message, offset);
+            }
+
+            this.next();
+        },
+        eatIdent(name) {
+            if (this.tokenType !== types.Ident || this.lookupValue(0, name) === false) {
+                this.error(`Identifier "${name}" is expected`);
+            }
+
+            this.next();
+        },
+        eatDelim(code) {
+            if (!this.isDelim(code)) {
+                this.error(`Delim "${String.fromCharCode(code)}" is expected`);
+            }
+
+            this.next();
+        },
+
+        getLocation(start, end) {
+            if (needPositions) {
+                return locationMap.getLocationRange(
+                    start,
+                    end,
+                    filename
+                );
+            }
+
+            return null;
+        },
+        getLocationFromList(list) {
+            if (needPositions) {
+                const head = this.getFirstListNode(list);
+                const tail = this.getLastListNode(list);
+                return locationMap.getLocationRange(
+                    head !== null ? head.loc.start.offset - locationMap.startOffset : this.tokenStart,
+                    tail !== null ? tail.loc.end.offset - locationMap.startOffset : this.tokenStart,
+                    filename
+                );
+            }
+
+            return null;
+        },
+
+        error(message, offset) {
+            const location = typeof offset !== 'undefined' && offset < source.length
+                ? locationMap.getLocation(offset)
+                : this.eof
+                    ? locationMap.getLocation(utils.findWhiteSpaceStart(source, source.length - 1))
+                    : locationMap.getLocation(this.tokenStart);
+
+            throw new SyntaxError.SyntaxError(
+                message || 'Unexpected input',
+                source,
+                location.offset,
+                location.line,
+                location.column
+            );
+        }
+    });
+
+    const parse = function(source_, options) {
+        source = source_;
+        options = options || {};
+
+        parser.setSource(source, index.tokenize);
+        locationMap.setSource(
+            source,
+            options.offset,
+            options.line,
+            options.column
+        );
+
+        filename = options.filename || '<unknown>';
+        needPositions = Boolean(options.positions);
+        onParseError = typeof options.onParseError === 'function' ? options.onParseError : NOOP;
+        onParseErrorThrow = false;
+
+        parser.parseAtrulePrelude = 'parseAtrulePrelude' in options ? Boolean(options.parseAtrulePrelude) : true;
+        parser.parseRulePrelude = 'parseRulePrelude' in options ? Boolean(options.parseRulePrelude) : true;
+        parser.parseValue = 'parseValue' in options ? Boolean(options.parseValue) : true;
+        parser.parseCustomProperty = 'parseCustomProperty' in options ? Boolean(options.parseCustomProperty) : false;
+
+        const { context = 'default', onComment } = options;
+
+        if (context in parser.context === false) {
+            throw new Error('Unknown context `' + context + '`');
+        }
+
+        if (typeof onComment === 'function') {
+            parser.forEachToken((type, start, end) => {
+                if (type === types.Comment) {
+                    const loc = parser.getLocation(start, end);
+                    const value = utils.cmpStr(source, end - 2, end, '*/')
+                        ? source.slice(start + 2, end - 2)
+                        : source.slice(start + 2, end);
+
+                    onComment(value, loc);
+                }
+            });
+        }
+
+        const ast = parser.context[context].call(parser, options);
+
+        if (!parser.eof) {
+            parser.error();
+        }
+
+        return ast;
+    };
+
+    return Object.assign(parse, {
+        SyntaxError: SyntaxError.SyntaxError,
+        config: parser.config
+    });
+}
+
+exports.createParser = createParser;
+
+},{"../tokenizer/OffsetToLocation.cjs":106,"../tokenizer/TokenStream.cjs":107,"../tokenizer/index.cjs":110,"../tokenizer/names.cjs":111,"../tokenizer/types.cjs":112,"../tokenizer/utils.cjs":113,"../utils/List.cjs":114,"./SyntaxError.cjs":39,"./sequence.cjs":41}],41:[function(require,module,exports){
+'use strict';
+
+const types = require('../tokenizer/types.cjs');
+
+function readSequence(recognizer) {
+    const children = this.createList();
+    let space = false;
+    const context = {
+        recognizer
+    };
+
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.Comment:
+                this.next();
+                continue;
+
+            case types.WhiteSpace:
+                space = true;
+                this.next();
+                continue;
+        }
+
+        let child = recognizer.getNode.call(this, context);
+
+        if (child === undefined) {
+            break;
+        }
+
+        if (space) {
+            if (recognizer.onWhiteSpace) {
+                recognizer.onWhiteSpace.call(this, child, children, context);
+            }
+            space = false;
+        }
+
+        children.push(child);
+    }
+
+    if (space && recognizer.onWhiteSpace) {
+        recognizer.onWhiteSpace.call(this, null, children, context);
+    }
+
+    return children;
+}
+
+exports.readSequence = readSequence;
+
+},{"../tokenizer/types.cjs":112}],42:[function(require,module,exports){
+'use strict';
+
+const fontFace = {
+    parse: {
+        prelude: null,
+        block() {
+            return this.Block(true);
+        }
+    }
+};
+
+module.exports = fontFace;
+
+},{}],43:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const importAtrule = {
+    parse: {
+        prelude() {
+            const children = this.createList();
+
+            this.skipSC();
+
+            switch (this.tokenType) {
+                case types.String:
+                    children.push(this.String());
+                    break;
+
+                case types.Url:
+                case types.Function:
+                    children.push(this.Url());
+                    break;
+
+                default:
+                    this.error('String or url() is expected');
+            }
+
+            if (this.lookupNonWSType(0) === types.Ident ||
+                this.lookupNonWSType(0) === types.LeftParenthesis) {
+                children.push(this.MediaQueryList());
+            }
+
+            return children;
+        },
+        block: null
+    }
+};
+
+module.exports = importAtrule;
+
+},{"../../tokenizer/types.cjs":112}],44:[function(require,module,exports){
+'use strict';
+
+const fontFace = require('./font-face.cjs');
+const _import = require('./import.cjs');
+const media = require('./media.cjs');
+const nest = require('./nest.cjs');
+const page = require('./page.cjs');
+const supports = require('./supports.cjs');
+
+const atrule = {
+    'font-face': fontFace,
+    'import': _import,
+    media,
+    nest,
+    page,
+    supports
+};
+
+module.exports = atrule;
+
+},{"./font-face.cjs":42,"./import.cjs":43,"./media.cjs":45,"./nest.cjs":46,"./page.cjs":47,"./supports.cjs":48}],45:[function(require,module,exports){
+'use strict';
+
+const media = {
+    parse: {
+        prelude() {
+            return this.createSingleNodeList(
+                this.MediaQueryList()
+            );
+        },
+        block(isStyleBlock = false) {
+            return this.Block(isStyleBlock);
+        }
+    }
+};
+
+module.exports = media;
+
+},{}],46:[function(require,module,exports){
+'use strict';
+
+const nest = {
+    parse: {
+        prelude() {
+            return this.createSingleNodeList(
+                this.SelectorList()
+            );
+        },
+        block() {
+            return this.Block(true);
+        }
+    }
+};
+
+module.exports = nest;
+
+},{}],47:[function(require,module,exports){
+'use strict';
+
+const page = {
+    parse: {
+        prelude() {
+            return this.createSingleNodeList(
+                this.SelectorList()
+            );
+        },
+        block() {
+            return this.Block(true);
+        }
+    }
+};
+
+module.exports = page;
+
+},{}],48:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw() {
+    return this.createSingleNodeList(
+        this.Raw(this.tokenIndex, null, false)
+    );
+}
+
+function parentheses() {
+    this.skipSC();
+
+    if (this.tokenType === types.Ident &&
+        this.lookupNonWSType(1) === types.Colon) {
+        return this.createSingleNodeList(
+            this.Declaration()
+        );
+    }
+
+    return readSequence.call(this);
+}
+
+function readSequence() {
+    const children = this.createList();
+    let child;
+
+    this.skipSC();
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.Comment:
+            case types.WhiteSpace:
+                this.next();
+                continue;
+
+            case types.Function:
+                child = this.Function(consumeRaw, this.scope.AtrulePrelude);
+                break;
+
+            case types.Ident:
+                child = this.Identifier();
+                break;
+
+            case types.LeftParenthesis:
+                child = this.Parentheses(parentheses, this.scope.AtrulePrelude);
+                break;
+
+            default:
+                break scan;
+        }
+
+        children.push(child);
+    }
+
+    return children;
+}
+
+const supports = {
+    parse: {
+        prelude() {
+            const children = readSequence.call(this);
+
+            if (this.getFirstListNode(children) === null) {
+                this.error('Condition is expected');
+            }
+
+            return children;
+        },
+        block(isStyleBlock = false) {
+            return this.Block(isStyleBlock);
+        }
+    }
+};
+
+module.exports = supports;
+
+},{"../../tokenizer/types.cjs":112}],49:[function(require,module,exports){
+'use strict';
+
+const data = require('../../data.cjs');
+const index = require('../node/index.cjs');
+
+const lexerConfig = {
+    generic: true,
+    ...data,
+    node: index
+};
+
+module.exports = lexerConfig;
+
+},{"../../data.cjs":122,"../node/index.cjs":99}],50:[function(require,module,exports){
+'use strict';
+
+function appendOrSet(a, b) {
+    if (typeof b === 'string' && /^\s*\|/.test(b)) {
+        return typeof a === 'string'
+            ? a + b
+            : b.replace(/^\s*\|\s*/, '');
+    }
+
+    return b || null;
+}
+
+function sliceProps(obj, props) {
+    const result = Object.create(null);
+
+    for (const [key, value] of Object.entries(obj)) {
+        if (value) {
+            result[key] = {};
+            for (const prop of Object.keys(value)) {
+                if (props.includes(prop)) {
+                    result[key][prop] = value[prop];
+                }
+            }
+        }
+    }
+
+    return result;
+}
+
+function mix(dest, src) {
+    const result = { ...dest };
+
+    for (const [prop, value] of Object.entries(src)) {
+        switch (prop) {
+            case 'generic':
+                result[prop] = Boolean(value);
+                break;
+
+            case 'units':
+                result[prop] = { ...dest[prop] };
+                for (const [name, patch] of Object.entries(value)) {
+                    result[prop][name] = Array.isArray(patch) ? patch : [];
+                }
+                break;
+
+            case 'atrules':
+                result[prop] = { ...dest[prop] };
+
+                for (const [name, atrule] of Object.entries(value)) {
+                    const exists = result[prop][name] || {};
+                    const current = result[prop][name] = {
+                        prelude: exists.prelude || null,
+                        descriptors: {
+                            ...exists.descriptors
+                        }
+                    };
+
+                    if (!atrule) {
+                        continue;
+                    }
+
+                    current.prelude = atrule.prelude
+                        ? appendOrSet(current.prelude, atrule.prelude)
+                        : current.prelude || null;
+
+                    for (const [descriptorName, descriptorValue] of Object.entries(atrule.descriptors || {})) {
+                        current.descriptors[descriptorName] = descriptorValue
+                            ? appendOrSet(current.descriptors[descriptorName], descriptorValue)
+                            : null;
+                    }
+
+                    if (!Object.keys(current.descriptors).length) {
+                        current.descriptors = null;
+                    }
+                }
+                break;
+
+            case 'types':
+            case 'properties':
+                result[prop] = { ...dest[prop] };
+                for (const [name, syntax] of Object.entries(value)) {
+                    result[prop][name] = appendOrSet(result[prop][name], syntax);
+                }
+                break;
+
+            case 'scope':
+                result[prop] = { ...dest[prop] };
+                for (const [name, props] of Object.entries(value)) {
+                    result[prop][name] = { ...result[prop][name], ...props };
+                }
+                break;
+
+            case 'parseContext':
+                result[prop] = {
+                    ...dest[prop],
+                    ...value
+                };
+                break;
+
+            case 'atrule':
+            case 'pseudo':
+                result[prop] = {
+                    ...dest[prop],
+                    ...sliceProps(value, ['parse']) };
+                break;
+
+            case 'node':
+                result[prop] = {
+                    ...dest[prop],
+                    ...sliceProps(value, ['name', 'structure', 'parse', 'generate', 'walkContext'])
+                };
+                break;
+        }
+    }
+
+    return result;
+}
+
+module.exports = mix;
+
+},{}],51:[function(require,module,exports){
+'use strict';
+
+const index = require('../scope/index.cjs');
+const index$1 = require('../atrule/index.cjs');
+const index$2 = require('../pseudo/index.cjs');
+const indexParse = require('../node/index-parse.cjs');
+
+const config = {
+    parseContext: {
+        default: 'StyleSheet',
+        stylesheet: 'StyleSheet',
+        atrule: 'Atrule',
+        atrulePrelude(options) {
+            return this.AtrulePrelude(options.atrule ? String(options.atrule) : null);
+        },
+        mediaQueryList: 'MediaQueryList',
+        mediaQuery: 'MediaQuery',
+        rule: 'Rule',
+        selectorList: 'SelectorList',
+        selector: 'Selector',
+        block() {
+            return this.Block(true);
+        },
+        declarationList: 'DeclarationList',
+        declaration: 'Declaration',
+        value: 'Value'
+    },
+    scope: index,
+    atrule: index$1,
+    pseudo: index$2,
+    node: indexParse
+};
+
+module.exports = config;
+
+},{"../atrule/index.cjs":44,"../node/index-parse.cjs":98,"../pseudo/index.cjs":100,"../scope/index.cjs":103}],52:[function(require,module,exports){
+'use strict';
+
+const index = require('../node/index.cjs');
+
+const config = {
+    node: index
+};
+
+module.exports = config;
+
+},{"../node/index.cjs":99}],53:[function(require,module,exports){
+'use strict';
+
+const index = require('../tokenizer/index.cjs');
+const create = require('../parser/create.cjs');
+const create$2 = require('../generator/create.cjs');
+const create$3 = require('../convertor/create.cjs');
+const create$1 = require('../walker/create.cjs');
+const Lexer = require('../lexer/Lexer.cjs');
+const mix = require('./config/mix.cjs');
+
+function createSyntax(config) {
+    const parse = create.createParser(config);
+    const walk = create$1.createWalker(config);
+    const generate = create$2.createGenerator(config);
+    const { fromPlainObject, toPlainObject } = create$3.createConvertor(walk);
+
+    const syntax = {
+        lexer: null,
+        createLexer: config => new Lexer.Lexer(config, syntax, syntax.lexer.structure),
+
+        tokenize: index.tokenize,
+        parse,
+        generate,
+
+        walk,
+        find: walk.find,
+        findLast: walk.findLast,
+        findAll: walk.findAll,
+
+        fromPlainObject,
+        toPlainObject,
+
+        fork(extension) {
+            const base = mix({}, config); // copy of config
+
+            return createSyntax(
+                typeof extension === 'function'
+                    ? extension(base, Object.assign)
+                    : mix(base, extension)
+            );
+        }
+    };
+
+    syntax.lexer = new Lexer.Lexer({
+        generic: true,
+        units: config.units,
+        types: config.types,
+        atrules: config.atrules,
+        properties: config.properties,
+        node: config.node
+    }, syntax);
+
+    return syntax;
+}
+const createSyntax$1 = config => createSyntax(mix({}, config));
+
+module.exports = createSyntax$1;
+
+},{"../convertor/create.cjs":15,"../generator/create.cjs":22,"../lexer/Lexer.cjs":26,"../parser/create.cjs":40,"../tokenizer/index.cjs":110,"../walker/create.cjs":121,"./config/mix.cjs":50}],54:[function(require,module,exports){
+'use strict';
+
+// legacy IE function
+// expression( <any-value> )
+function expressionFn() {
+    return this.createSingleNodeList(
+        this.Raw(this.tokenIndex, null, false)
+    );
+}
+
+module.exports = expressionFn;
+
+},{}],55:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+// var( <ident> , <value>? )
+function varFn() {
+    const children = this.createList();
+
+    this.skipSC();
+
+    // NOTE: Don't check more than a first argument is an ident, rest checks are for lexer
+    children.push(this.Identifier());
+
+    this.skipSC();
+
+    if (this.tokenType === types.Comma) {
+        children.push(this.Operator());
+
+        const startIndex = this.tokenIndex;
+        const value = this.parseCustomProperty
+            ? this.Value(null)
+            : this.Raw(this.tokenIndex, this.consumeUntilExclamationMarkOrSemicolon, false);
+
+        if (value.type === 'Value' && value.children.isEmpty) {
+            for (let offset = startIndex - this.tokenIndex; offset <= 0; offset++) {
+                if (this.lookupType(offset) === types.WhiteSpace) {
+                    value.children.appendData({
+                        type: 'WhiteSpace',
+                        loc: null,
+                        value: ' '
+                    });
+                    break;
+                }
+            }
+        }
+
+        children.push(value);
+    }
+
+    return children;
+}
+
+module.exports = varFn;
+
+},{"../../tokenizer/types.cjs":112}],56:[function(require,module,exports){
+'use strict';
+
+const create = require('./create.cjs');
+const lexer = require('./config/lexer.cjs');
+const parser = require('./config/parser.cjs');
+const walker = require('./config/walker.cjs');
+
+const syntax = create({
+    ...lexer,
+    ...parser,
+    ...walker
+});
+
+module.exports = syntax;
+
+},{"./config/lexer.cjs":49,"./config/parser.cjs":51,"./config/walker.cjs":52,"./create.cjs":53}],57:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+const charCodeDefinitions = require('../../tokenizer/char-code-definitions.cjs');
+
+const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
+const N = 0x006E;           // U+006E LATIN SMALL LETTER N (n)
+const DISALLOW_SIGN = true;
+const ALLOW_SIGN = false;
+
+function checkInteger(offset, disallowSign) {
+    let pos = this.tokenStart + offset;
+    const code = this.charCodeAt(pos);
+
+    if (code === PLUSSIGN || code === HYPHENMINUS) {
+        if (disallowSign) {
+            this.error('Number sign is not allowed');
+        }
+        pos++;
+    }
+
+    for (; pos < this.tokenEnd; pos++) {
+        if (!charCodeDefinitions.isDigit(this.charCodeAt(pos))) {
+            this.error('Integer is expected', pos);
+        }
+    }
+}
+
+function checkTokenIsInteger(disallowSign) {
+    return checkInteger.call(this, 0, disallowSign);
+}
+
+function expectCharCode(offset, code) {
+    if (!this.cmpChar(this.tokenStart + offset, code)) {
+        let msg = '';
+
+        switch (code) {
+            case N:
+                msg = 'N is expected';
+                break;
+            case HYPHENMINUS:
+                msg = 'HyphenMinus is expected';
+                break;
+        }
+
+        this.error(msg, this.tokenStart + offset);
+    }
+}
+
+// ... <signed-integer>
+// ... ['+' | '-'] <signless-integer>
+function consumeB() {
+    let offset = 0;
+    let sign = 0;
+    let type = this.tokenType;
+
+    while (type === types.WhiteSpace || type === types.Comment) {
+        type = this.lookupType(++offset);
+    }
+
+    if (type !== types.Number) {
+        if (this.isDelim(PLUSSIGN, offset) ||
+            this.isDelim(HYPHENMINUS, offset)) {
+            sign = this.isDelim(PLUSSIGN, offset) ? PLUSSIGN : HYPHENMINUS;
+
+            do {
+                type = this.lookupType(++offset);
+            } while (type === types.WhiteSpace || type === types.Comment);
+
+            if (type !== types.Number) {
+                this.skip(offset);
+                checkTokenIsInteger.call(this, DISALLOW_SIGN);
+            }
+        } else {
+            return null;
+        }
+    }
+
+    if (offset > 0) {
+        this.skip(offset);
+    }
+
+    if (sign === 0) {
+        type = this.charCodeAt(this.tokenStart);
+        if (type !== PLUSSIGN && type !== HYPHENMINUS) {
+            this.error('Number sign is expected');
+        }
+    }
+
+    checkTokenIsInteger.call(this, sign !== 0);
+    return sign === HYPHENMINUS ? '-' + this.consume(types.Number) : this.consume(types.Number);
+}
+
+// An+B microsyntax https://www.w3.org/TR/css-syntax-3/#anb
+const name = 'AnPlusB';
+const structure = {
+    a: [String, null],
+    b: [String, null]
+};
+
+function parse() {
+    /* eslint-disable brace-style*/
+    const start = this.tokenStart;
+    let a = null;
+    let b = null;
+
+    // <integer>
+    if (this.tokenType === types.Number) {
+        checkTokenIsInteger.call(this, ALLOW_SIGN);
+        b = this.consume(types.Number);
+    }
+
+    // -n
+    // -n <signed-integer>
+    // -n ['+' | '-'] <signless-integer>
+    // -n- <signless-integer>
+    // <dashndashdigit-ident>
+    else if (this.tokenType === types.Ident && this.cmpChar(this.tokenStart, HYPHENMINUS)) {
+        a = '-1';
+
+        expectCharCode.call(this, 1, N);
+
+        switch (this.tokenEnd - this.tokenStart) {
+            // -n
+            // -n <signed-integer>
+            // -n ['+' | '-'] <signless-integer>
+            case 2:
+                this.next();
+                b = consumeB.call(this);
+                break;
+
+            // -n- <signless-integer>
+            case 3:
+                expectCharCode.call(this, 2, HYPHENMINUS);
+
+                this.next();
+                this.skipSC();
+
+                checkTokenIsInteger.call(this, DISALLOW_SIGN);
+
+                b = '-' + this.consume(types.Number);
+                break;
+
+            // <dashndashdigit-ident>
+            default:
+                expectCharCode.call(this, 2, HYPHENMINUS);
+                checkInteger.call(this, 3, DISALLOW_SIGN);
+                this.next();
+
+                b = this.substrToCursor(start + 2);
+        }
+    }
+
+    // '+'? n
+    // '+'? n <signed-integer>
+    // '+'? n ['+' | '-'] <signless-integer>
+    // '+'? n- <signless-integer>
+    // '+'? <ndashdigit-ident>
+    else if (this.tokenType === types.Ident || (this.isDelim(PLUSSIGN) && this.lookupType(1) === types.Ident)) {
+        let sign = 0;
+        a = '1';
+
+        // just ignore a plus
+        if (this.isDelim(PLUSSIGN)) {
+            sign = 1;
+            this.next();
+        }
+
+        expectCharCode.call(this, 0, N);
+
+        switch (this.tokenEnd - this.tokenStart) {
+            // '+'? n
+            // '+'? n <signed-integer>
+            // '+'? n ['+' | '-'] <signless-integer>
+            case 1:
+                this.next();
+                b = consumeB.call(this);
+                break;
+
+            // '+'? n- <signless-integer>
+            case 2:
+                expectCharCode.call(this, 1, HYPHENMINUS);
+
+                this.next();
+                this.skipSC();
+
+                checkTokenIsInteger.call(this, DISALLOW_SIGN);
+
+                b = '-' + this.consume(types.Number);
+                break;
+
+            // '+'? <ndashdigit-ident>
+            default:
+                expectCharCode.call(this, 1, HYPHENMINUS);
+                checkInteger.call(this, 2, DISALLOW_SIGN);
+                this.next();
+
+                b = this.substrToCursor(start + sign + 1);
+        }
+    }
+
+    // <ndashdigit-dimension>
+    // <ndash-dimension> <signless-integer>
+    // <n-dimension>
+    // <n-dimension> <signed-integer>
+    // <n-dimension> ['+' | '-'] <signless-integer>
+    else if (this.tokenType === types.Dimension) {
+        const code = this.charCodeAt(this.tokenStart);
+        const sign = code === PLUSSIGN || code === HYPHENMINUS;
+        let i = this.tokenStart + sign;
+
+        for (; i < this.tokenEnd; i++) {
+            if (!charCodeDefinitions.isDigit(this.charCodeAt(i))) {
+                break;
+            }
+        }
+
+        if (i === this.tokenStart + sign) {
+            this.error('Integer is expected', this.tokenStart + sign);
+        }
+
+        expectCharCode.call(this, i - this.tokenStart, N);
+        a = this.substring(start, i);
+
+        // <n-dimension>
+        // <n-dimension> <signed-integer>
+        // <n-dimension> ['+' | '-'] <signless-integer>
+        if (i + 1 === this.tokenEnd) {
+            this.next();
+            b = consumeB.call(this);
+        } else {
+            expectCharCode.call(this, i - this.tokenStart + 1, HYPHENMINUS);
+
+            // <ndash-dimension> <signless-integer>
+            if (i + 2 === this.tokenEnd) {
+                this.next();
+                this.skipSC();
+                checkTokenIsInteger.call(this, DISALLOW_SIGN);
+                b = '-' + this.consume(types.Number);
+            }
+            // <ndashdigit-dimension>
+            else {
+                checkInteger.call(this, i - this.tokenStart + 2, DISALLOW_SIGN);
+                this.next();
+                b = this.substrToCursor(i + 1);
+            }
+        }
+    } else {
+        this.error();
+    }
+
+    if (a !== null && a.charCodeAt(0) === PLUSSIGN) {
+        a = a.substr(1);
+    }
+
+    if (b !== null && b.charCodeAt(0) === PLUSSIGN) {
+        b = b.substr(1);
+    }
+
+    return {
+        type: 'AnPlusB',
+        loc: this.getLocation(start, this.tokenStart),
+        a,
+        b
+    };
+}
+
+function generate(node) {
+    if (node.a) {
+        const a =
+            node.a === '+1' && 'n' ||
+            node.a ===  '1' && 'n' ||
+            node.a === '-1' && '-n' ||
+            node.a + 'n';
+
+        if (node.b) {
+            const b = node.b[0] === '-' || node.b[0] === '+'
+                ? node.b
+                : '+' + node.b;
+            this.tokenize(a + b);
+        } else {
+            this.tokenize(a);
+        }
+    } else {
+        this.tokenize(node.b);
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/char-code-definitions.cjs":109,"../../tokenizer/types.cjs":112}],58:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilLeftCurlyBracketOrSemicolon, true);
+}
+
+function isDeclarationBlockAtrule() {
+    for (let offset = 1, type; type = this.lookupType(offset); offset++) {
+        if (type === types.RightCurlyBracket) {
+            return true;
+        }
+
+        if (type === types.LeftCurlyBracket ||
+            type === types.AtKeyword) {
+            return false;
+        }
+    }
+
+    return false;
+}
+
+
+const name = 'Atrule';
+const walkContext = 'atrule';
+const structure = {
+    name: String,
+    prelude: ['AtrulePrelude', 'Raw', null],
+    block: ['Block', null]
+};
+
+function parse(isDeclaration = false) {
+    const start = this.tokenStart;
+    let name;
+    let nameLowerCase;
+    let prelude = null;
+    let block = null;
+
+    this.eat(types.AtKeyword);
+
+    name = this.substrToCursor(start + 1);
+    nameLowerCase = name.toLowerCase();
+    this.skipSC();
+
+    // parse prelude
+    if (this.eof === false &&
+        this.tokenType !== types.LeftCurlyBracket &&
+        this.tokenType !== types.Semicolon) {
+        if (this.parseAtrulePrelude) {
+            prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name, isDeclaration), consumeRaw);
+        } else {
+            prelude = consumeRaw.call(this, this.tokenIndex);
+        }
+
+        this.skipSC();
+    }
+
+    switch (this.tokenType) {
+        case types.Semicolon:
+            this.next();
+            break;
+
+        case types.LeftCurlyBracket:
+            if (hasOwnProperty.call(this.atrule, nameLowerCase) &&
+                typeof this.atrule[nameLowerCase].block === 'function') {
+                block = this.atrule[nameLowerCase].block.call(this, isDeclaration);
+            } else {
+                // TODO: should consume block content as Raw?
+                block = this.Block(isDeclarationBlockAtrule.call(this));
+            }
+
+            break;
+    }
+
+    return {
+        type: 'Atrule',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        prelude,
+        block
+    };
+}
+
+function generate(node) {
+    this.token(types.AtKeyword, '@' + node.name);
+
+    if (node.prelude !== null) {
+        this.node(node.prelude);
+    }
+
+    if (node.block) {
+        this.node(node.block);
+    } else {
+        this.token(types.Semicolon, ';');
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],59:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'AtrulePrelude';
+const walkContext = 'atrulePrelude';
+const structure = {
+    children: [[]]
+};
+
+function parse(name) {
+    let children = null;
+
+    if (name !== null) {
+        name = name.toLowerCase();
+    }
+
+    this.skipSC();
+
+    if (hasOwnProperty.call(this.atrule, name) &&
+        typeof this.atrule[name].prelude === 'function') {
+        // custom consumer
+        children = this.atrule[name].prelude.call(this);
+    } else {
+        // default consumer
+        children = this.readSequence(this.scope.AtrulePrelude);
+    }
+
+    this.skipSC();
+
+    if (this.eof !== true &&
+        this.tokenType !== types.LeftCurlyBracket &&
+        this.tokenType !== types.Semicolon) {
+        this.error('Semicolon or block is expected');
+    }
+
+    return {
+        type: 'AtrulePrelude',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],60:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const DOLLARSIGN = 0x0024;       // U+0024 DOLLAR SIGN ($)
+const ASTERISK = 0x002A;         // U+002A ASTERISK (*)
+const EQUALSSIGN = 0x003D;       // U+003D EQUALS SIGN (=)
+const CIRCUMFLEXACCENT = 0x005E; // U+005E (^)
+const VERTICALLINE = 0x007C;     // U+007C VERTICAL LINE (|)
+const TILDE = 0x007E;            // U+007E TILDE (~)
+
+function getAttributeName() {
+    if (this.eof) {
+        this.error('Unexpected end of input');
+    }
+
+    const start = this.tokenStart;
+    let expectIdent = false;
+
+    if (this.isDelim(ASTERISK)) {
+        expectIdent = true;
+        this.next();
+    } else if (!this.isDelim(VERTICALLINE)) {
+        this.eat(types.Ident);
+    }
+
+    if (this.isDelim(VERTICALLINE)) {
+        if (this.charCodeAt(this.tokenStart + 1) !== EQUALSSIGN) {
+            this.next();
+            this.eat(types.Ident);
+        } else if (expectIdent) {
+            this.error('Identifier is expected', this.tokenEnd);
+        }
+    } else if (expectIdent) {
+        this.error('Vertical line is expected');
+    }
+
+    return {
+        type: 'Identifier',
+        loc: this.getLocation(start, this.tokenStart),
+        name: this.substrToCursor(start)
+    };
+}
+
+function getOperator() {
+    const start = this.tokenStart;
+    const code = this.charCodeAt(start);
+
+    if (code !== EQUALSSIGN &&        // =
+        code !== TILDE &&             // ~=
+        code !== CIRCUMFLEXACCENT &&  // ^=
+        code !== DOLLARSIGN &&        // $=
+        code !== ASTERISK &&          // *=
+        code !== VERTICALLINE         // |=
+    ) {
+        this.error('Attribute selector (=, ~=, ^=, $=, *=, |=) is expected');
+    }
+
+    this.next();
+
+    if (code !== EQUALSSIGN) {
+        if (!this.isDelim(EQUALSSIGN)) {
+            this.error('Equal sign is expected');
+        }
+
+        this.next();
+    }
+
+    return this.substrToCursor(start);
+}
+
+// '[' <wq-name> ']'
+// '[' <wq-name> <attr-matcher> [ <string-token> | <ident-token> ] <attr-modifier>? ']'
+const name = 'AttributeSelector';
+const structure = {
+    name: 'Identifier',
+    matcher: [String, null],
+    value: ['String', 'Identifier', null],
+    flags: [String, null]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    let name;
+    let matcher = null;
+    let value = null;
+    let flags = null;
+
+    this.eat(types.LeftSquareBracket);
+    this.skipSC();
+
+    name = getAttributeName.call(this);
+    this.skipSC();
+
+    if (this.tokenType !== types.RightSquareBracket) {
+        // avoid case `[name i]`
+        if (this.tokenType !== types.Ident) {
+            matcher = getOperator.call(this);
+
+            this.skipSC();
+
+            value = this.tokenType === types.String
+                ? this.String()
+                : this.Identifier();
+
+            this.skipSC();
+        }
+
+        // attribute flags
+        if (this.tokenType === types.Ident) {
+            flags = this.consume(types.Ident);
+
+            this.skipSC();
+        }
+    }
+
+    this.eat(types.RightSquareBracket);
+
+    return {
+        type: 'AttributeSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        matcher,
+        value,
+        flags
+    };
+}
+
+function generate(node) {
+    this.token(types.Delim, '[');
+    this.node(node.name);
+
+    if (node.matcher !== null) {
+        this.tokenize(node.matcher);
+        this.node(node.value);
+    }
+
+    if (node.flags !== null) {
+        this.token(types.Ident, node.flags);
+    }
+
+    this.token(types.Delim, ']');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],61:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, null, true);
+}
+function consumeRule() {
+    return this.parseWithFallback(this.Rule, consumeRaw);
+}
+function consumeRawDeclaration(startToken) {
+    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
+}
+function consumeDeclaration() {
+    if (this.tokenType === types.Semicolon) {
+        return consumeRawDeclaration.call(this, this.tokenIndex);
+    }
+
+    const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
+
+    if (this.tokenType === types.Semicolon) {
+        this.next();
+    }
+
+    return node;
+}
+
+const name = 'Block';
+const walkContext = 'block';
+const structure = {
+    children: [[
+        'Atrule',
+        'Rule',
+        'Declaration'
+    ]]
+};
+
+function parse(isStyleBlock) {
+    const consumer = isStyleBlock ? consumeDeclaration : consumeRule;
+    const start = this.tokenStart;
+    let children = this.createList();
+
+    this.eat(types.LeftCurlyBracket);
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.RightCurlyBracket:
+                break scan;
+
+            case types.WhiteSpace:
+            case types.Comment:
+                this.next();
+                break;
+
+            case types.AtKeyword:
+                children.push(this.parseWithFallback(this.Atrule.bind(this, isStyleBlock), consumeRaw));
+                break;
+
+            default:
+                if (isStyleBlock && this.isDelim(AMPERSAND))  {
+                    children.push(consumeRule.call(this));
+                } else {
+                    children.push(consumer.call(this));
+                }
+        }
+    }
+
+    if (!this.eof) {
+        this.eat(types.RightCurlyBracket);
+    }
+
+    return {
+        type: 'Block',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftCurlyBracket, '{');
+    this.children(node, prev => {
+        if (prev.type === 'Declaration') {
+            this.token(types.Semicolon, ';');
+        }
+    });
+    this.token(types.RightCurlyBracket, '}');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],62:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Brackets';
+const structure = {
+    children: [[]]
+};
+
+function parse(readSequence, recognizer) {
+    const start = this.tokenStart;
+    let children = null;
+
+    this.eat(types.LeftSquareBracket);
+
+    children = readSequence.call(this, recognizer);
+
+    if (!this.eof) {
+        this.eat(types.RightSquareBracket);
+    }
+
+    return {
+        type: 'Brackets',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.Delim, '[');
+    this.children(node);
+    this.token(types.Delim, ']');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],63:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'CDC';
+const structure = [];
+
+function parse() {
+    const start = this.tokenStart;
+
+    this.eat(types.CDC); // -->
+
+    return {
+        type: 'CDC',
+        loc: this.getLocation(start, this.tokenStart)
+    };
+}
+
+function generate() {
+    this.token(types.CDC, '-->');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],64:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'CDO';
+const structure = [];
+
+function parse() {
+    const start = this.tokenStart;
+
+    this.eat(types.CDO); // <!--
+
+    return {
+        type: 'CDO',
+        loc: this.getLocation(start, this.tokenStart)
+    };
+}
+
+function generate() {
+    this.token(types.CDO, '<!--');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],65:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
+
+// '.' ident
+const name = 'ClassSelector';
+const structure = {
+    name: String
+};
+
+function parse() {
+    this.eatDelim(FULLSTOP);
+
+    return {
+        type: 'ClassSelector',
+        loc: this.getLocation(this.tokenStart - 1, this.tokenEnd),
+        name: this.consume(types.Ident)
+    };
+}
+
+function generate(node) {
+    this.token(types.Delim, '.');
+    this.token(types.Ident, node.name);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],66:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
+const TILDE = 0x007E;           // U+007E TILDE (~)
+
+const name = 'Combinator';
+const structure = {
+    name: String
+};
+
+// + | > | ~ | /deep/
+function parse() {
+    const start = this.tokenStart;
+    let name;
+
+    switch (this.tokenType) {
+        case types.WhiteSpace:
+            name = ' ';
+            break;
+
+        case types.Delim:
+            switch (this.charCodeAt(this.tokenStart)) {
+                case GREATERTHANSIGN:
+                case PLUSSIGN:
+                case TILDE:
+                    this.next();
+                    break;
+
+                case SOLIDUS:
+                    this.next();
+                    this.eatIdent('deep');
+                    this.eatDelim(SOLIDUS);
+                    break;
+
+                default:
+                    this.error('Combinator is expected');
+            }
+
+            name = this.substrToCursor(start);
+            break;
+    }
+
+    return {
+        type: 'Combinator',
+        loc: this.getLocation(start, this.tokenStart),
+        name
+    };
+}
+
+function generate(node) {
+    this.tokenize(node.name);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],67:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+
+
+const name = 'Comment';
+const structure = {
+    value: String
+};
+
+function parse() {
+    const start = this.tokenStart;
+    let end = this.tokenEnd;
+
+    this.eat(types.Comment);
+
+    if ((end - start + 2) >= 2 &&
+        this.charCodeAt(end - 2) === ASTERISK &&
+        this.charCodeAt(end - 1) === SOLIDUS) {
+        end -= 2;
+    }
+
+    return {
+        type: 'Comment',
+        loc: this.getLocation(start, this.tokenStart),
+        value: this.substring(start + 2, end)
+    };
+}
+
+function generate(node) {
+    this.token(types.Comment, '/*' + node.value + '*/');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],68:[function(require,module,exports){
+'use strict';
+
+const names = require('../../utils/names.cjs');
+const types = require('../../tokenizer/types.cjs');
+
+const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)
+const NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)
+const DOLLARSIGN = 0x0024;      // U+0024 DOLLAR SIGN ($)
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
+const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+
+function consumeValueRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilExclamationMarkOrSemicolon, true);
+}
+
+function consumeCustomPropertyRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilExclamationMarkOrSemicolon, false);
+}
+
+function consumeValue() {
+    const startValueToken = this.tokenIndex;
+    const value = this.Value();
+
+    if (value.type !== 'Raw' &&
+        this.eof === false &&
+        this.tokenType !== types.Semicolon &&
+        this.isDelim(EXCLAMATIONMARK) === false &&
+        this.isBalanceEdge(startValueToken) === false) {
+        this.error();
+    }
+
+    return value;
+}
+
+const name = 'Declaration';
+const walkContext = 'declaration';
+const structure = {
+    important: [Boolean, String],
+    property: String,
+    value: ['Value', 'Raw']
+};
+
+function parse() {
+    const start = this.tokenStart;
+    const startToken = this.tokenIndex;
+    const property = readProperty.call(this);
+    const customProperty = names.isCustomProperty(property);
+    const parseValue = customProperty ? this.parseCustomProperty : this.parseValue;
+    const consumeRaw = customProperty ? consumeCustomPropertyRaw : consumeValueRaw;
+    let important = false;
+    let value;
+
+    this.skipSC();
+    this.eat(types.Colon);
+
+    const valueStart = this.tokenIndex;
+
+    if (!customProperty) {
+        this.skipSC();
+    }
+
+    if (parseValue) {
+        value = this.parseWithFallback(consumeValue, consumeRaw);
+    } else {
+        value = consumeRaw.call(this, this.tokenIndex);
+    }
+
+    if (customProperty && value.type === 'Value' && value.children.isEmpty) {
+        for (let offset = valueStart - this.tokenIndex; offset <= 0; offset++) {
+            if (this.lookupType(offset) === types.WhiteSpace) {
+                value.children.appendData({
+                    type: 'WhiteSpace',
+                    loc: null,
+                    value: ' '
+                });
+                break;
+            }
+        }
+    }
+
+    if (this.isDelim(EXCLAMATIONMARK)) {
+        important = getImportant.call(this);
+        this.skipSC();
+    }
+
+    // Do not include semicolon to range per spec
+    // https://drafts.csswg.org/css-syntax/#declaration-diagram
+
+    if (this.eof === false &&
+        this.tokenType !== types.Semicolon &&
+        this.isBalanceEdge(startToken) === false) {
+        this.error();
+    }
+
+    return {
+        type: 'Declaration',
+        loc: this.getLocation(start, this.tokenStart),
+        important,
+        property,
+        value
+    };
+}
+
+function generate(node) {
+    this.token(types.Ident, node.property);
+    this.token(types.Colon, ':');
+    this.node(node.value);
+
+    if (node.important) {
+        this.token(types.Delim, '!');
+        this.token(types.Ident, node.important === true ? 'important' : node.important);
+    }
+}
+
+function readProperty() {
+    const start = this.tokenStart;
+
+    // hacks
+    if (this.tokenType === types.Delim) {
+        switch (this.charCodeAt(this.tokenStart)) {
+            case ASTERISK:
+            case DOLLARSIGN:
+            case PLUSSIGN:
+            case NUMBERSIGN:
+            case AMPERSAND:
+                this.next();
+                break;
+
+            // TODO: not sure we should support this hack
+            case SOLIDUS:
+                this.next();
+                if (this.isDelim(SOLIDUS)) {
+                    this.next();
+                }
+                break;
+        }
+    }
+
+    if (this.tokenType === types.Hash) {
+        this.eat(types.Hash);
+    } else {
+        this.eat(types.Ident);
+    }
+
+    return this.substrToCursor(start);
+}
+
+// ! ws* important
+function getImportant() {
+    this.eat(types.Delim);
+    this.skipSC();
+
+    const important = this.consume(types.Ident);
+
+    // store original value in case it differ from `important`
+    // for better original source restoring and hacks like `!ie` support
+    return important === 'important' ? true : important;
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112,"../../utils/names.cjs":118}],69:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
+}
+
+const name = 'DeclarationList';
+const structure = {
+    children: [[
+        'Declaration',
+        'Atrule',
+        'Rule'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.WhiteSpace:
+            case types.Comment:
+            case types.Semicolon:
+                this.next();
+                break;
+
+            case types.AtKeyword:
+                children.push(this.parseWithFallback(this.Atrule.bind(this, true), consumeRaw));
+                break;
+
+            default:
+                if (this.isDelim(AMPERSAND))  {
+                    children.push(this.parseWithFallback(this.Rule, consumeRaw));
+                } else {
+                    children.push(this.parseWithFallback(this.Declaration, consumeRaw));
+                }
+        }
+    }
+
+    return {
+        type: 'DeclarationList',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node, prev => {
+        if (prev.type === 'Declaration') {
+            this.token(types.Semicolon, ';');
+        }
+    });
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],70:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Dimension';
+const structure = {
+    value: String,
+    unit: String
+};
+
+function parse() {
+    const start = this.tokenStart;
+    const value = this.consumeNumber(types.Dimension);
+
+    return {
+        type: 'Dimension',
+        loc: this.getLocation(start, this.tokenStart),
+        value,
+        unit: this.substring(start + value.length, this.tokenStart)
+    };
+}
+
+function generate(node) {
+    this.token(types.Dimension, node.value + node.unit);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],71:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Function';
+const walkContext = 'function';
+const structure = {
+    name: String,
+    children: [[]]
+};
+
+// <function-token> <sequence> )
+function parse(readSequence, recognizer) {
+    const start = this.tokenStart;
+    const name = this.consumeFunctionName();
+    const nameLowerCase = name.toLowerCase();
+    let children;
+
+    children = recognizer.hasOwnProperty(nameLowerCase)
+        ? recognizer[nameLowerCase].call(this, recognizer)
+        : readSequence.call(this, recognizer);
+
+    if (!this.eof) {
+        this.eat(types.RightParenthesis);
+    }
+
+    return {
+        type: 'Function',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.Function, node.name + '(');
+    this.children(node);
+    this.token(types.RightParenthesis, ')');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],72:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+// '#' ident
+const xxx = 'XXX';
+const name = 'Hash';
+const structure = {
+    value: String
+};
+function parse() {
+    const start = this.tokenStart;
+
+    this.eat(types.Hash);
+
+    return {
+        type: 'Hash',
+        loc: this.getLocation(start, this.tokenStart),
+        value: this.substrToCursor(start + 1)
+    };
+}
+function generate(node) {
+    this.token(types.Hash, '#' + node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.xxx = xxx;
+
+},{"../../tokenizer/types.cjs":112}],73:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'IdSelector';
+const structure = {
+    name: String
+};
+
+function parse() {
+    const start = this.tokenStart;
+
+    // TODO: check value is an ident
+    this.eat(types.Hash);
+
+    return {
+        type: 'IdSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name: this.substrToCursor(start + 1)
+    };
+}
+
+function generate(node) {
+    // Using Delim instead of Hash is a hack to avoid for a whitespace between ident and id-selector
+    // in safe mode (e.g. "a#id"), because IE11 doesn't allow a sequence <ident-token> <hash-token>
+    // without a whitespace in values (e.g. "1px solid#000")
+    this.token(types.Delim, '#' + node.name);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],74:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Identifier';
+const structure = {
+    name: String
+};
+
+function parse() {
+    return {
+        type: 'Identifier',
+        loc: this.getLocation(this.tokenStart, this.tokenEnd),
+        name: this.consume(types.Ident)
+    };
+}
+
+function generate(node) {
+    this.token(types.Ident, node.name);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],75:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'MediaFeature';
+const structure = {
+    name: String,
+    value: ['Identifier', 'Number', 'Dimension', 'Ratio', null]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    let name;
+    let value = null;
+
+    this.eat(types.LeftParenthesis);
+    this.skipSC();
+
+    name = this.consume(types.Ident);
+    this.skipSC();
+
+    if (this.tokenType !== types.RightParenthesis) {
+        this.eat(types.Colon);
+        this.skipSC();
+
+        switch (this.tokenType) {
+            case types.Number:
+                if (this.lookupNonWSType(1) === types.Delim) {
+                    value = this.Ratio();
+                } else {
+                    value = this.Number();
+                }
+
+                break;
+
+            case types.Dimension:
+                value = this.Dimension();
+                break;
+
+            case types.Ident:
+                value = this.Identifier();
+                break;
+
+            default:
+                this.error('Number, dimension, ratio or identifier is expected');
+        }
+
+        this.skipSC();
+    }
+
+    this.eat(types.RightParenthesis);
+
+    return {
+        type: 'MediaFeature',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        value
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftParenthesis, '(');
+    this.token(types.Ident, node.name);
+
+    if (node.value !== null) {
+        this.token(types.Colon, ':');
+        this.node(node.value);
+    }
+
+    this.token(types.RightParenthesis, ')');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],76:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'MediaQuery';
+const structure = {
+    children: [[
+        'Identifier',
+        'MediaFeature',
+        'WhiteSpace'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+    let child = null;
+
+    this.skipSC();
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.Comment:
+            case types.WhiteSpace:
+                this.next();
+                continue;
+
+            case types.Ident:
+                child = this.Identifier();
+                break;
+
+            case types.LeftParenthesis:
+                child = this.MediaFeature();
+                break;
+
+            default:
+                break scan;
+        }
+
+        children.push(child);
+    }
+
+    if (child === null) {
+        this.error('Identifier or parenthesis is expected');
+    }
+
+    return {
+        type: 'MediaQuery',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],77:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'MediaQueryList';
+const structure = {
+    children: [[
+        'MediaQuery'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    this.skipSC();
+
+    while (!this.eof) {
+        children.push(this.MediaQuery());
+
+        if (this.tokenType !== types.Comma) {
+            break;
+        }
+
+        this.next();
+    }
+
+    return {
+        type: 'MediaQueryList',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node, () => this.token(types.Comma, ','));
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],78:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+
+const name = 'NestingSelector';
+const structure = {
+};
+
+function parse() {
+    const start = this.tokenStart;
+
+    this.eatDelim(AMPERSAND);
+
+    return {
+        type: 'NestingSelector',
+        loc: this.getLocation(start, this.tokenStart)
+    };
+}
+
+function generate() {
+    this.token(types.Delim, '&');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],79:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Nth';
+const structure = {
+    nth: ['AnPlusB', 'Identifier'],
+    selector: ['SelectorList', null]
+};
+
+function parse() {
+    this.skipSC();
+
+    const start = this.tokenStart;
+    let end = start;
+    let selector = null;
+    let nth;
+
+    if (this.lookupValue(0, 'odd') || this.lookupValue(0, 'even')) {
+        nth = this.Identifier();
+    } else {
+        nth = this.AnPlusB();
+    }
+
+    end = this.tokenStart;
+    this.skipSC();
+
+    if (this.lookupValue(0, 'of')) {
+        this.next();
+
+        selector = this.SelectorList();
+        end = this.tokenStart;
+    }
+
+    return {
+        type: 'Nth',
+        loc: this.getLocation(start, end),
+        nth,
+        selector
+    };
+}
+
+function generate(node) {
+    this.node(node.nth);
+    if (node.selector !== null) {
+        this.token(types.Ident, 'of');
+        this.node(node.selector);
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],80:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Number';
+const structure = {
+    value: String
+};
+
+function parse() {
+    return {
+        type: 'Number',
+        loc: this.getLocation(this.tokenStart, this.tokenEnd),
+        value: this.consume(types.Number)
+    };
+}
+
+function generate(node) {
+    this.token(types.Number, node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],81:[function(require,module,exports){
+'use strict';
+
+// '/' | '*' | ',' | ':' | '+' | '-'
+const name = 'Operator';
+const structure = {
+    value: String
+};
+
+function parse() {
+    const start = this.tokenStart;
+
+    this.next();
+
+    return {
+        type: 'Operator',
+        loc: this.getLocation(start, this.tokenStart),
+        value: this.substrToCursor(start)
+    };
+}
+
+function generate(node) {
+    this.tokenize(node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{}],82:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Parentheses';
+const structure = {
+    children: [[]]
+};
+
+function parse(readSequence, recognizer) {
+    const start = this.tokenStart;
+    let children = null;
+
+    this.eat(types.LeftParenthesis);
+
+    children = readSequence.call(this, recognizer);
+
+    if (!this.eof) {
+        this.eat(types.RightParenthesis);
+    }
+
+    return {
+        type: 'Parentheses',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftParenthesis, '(');
+    this.children(node);
+    this.token(types.RightParenthesis, ')');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],83:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Percentage';
+const structure = {
+    value: String
+};
+
+function parse() {
+    return {
+        type: 'Percentage',
+        loc: this.getLocation(this.tokenStart, this.tokenEnd),
+        value: this.consumeNumber(types.Percentage)
+    };
+}
+
+function generate(node) {
+    this.token(types.Percentage, node.value + '%');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],84:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'PseudoClassSelector';
+const walkContext = 'function';
+const structure = {
+    name: String,
+    children: [['Raw'], null]
+};
+
+// : [ <ident> | <function-token> <any-value>? ) ]
+function parse() {
+    const start = this.tokenStart;
+    let children = null;
+    let name;
+    let nameLowerCase;
+
+    this.eat(types.Colon);
+
+    if (this.tokenType === types.Function) {
+        name = this.consumeFunctionName();
+        nameLowerCase = name.toLowerCase();
+
+        if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
+            this.skipSC();
+            children = this.pseudo[nameLowerCase].call(this);
+            this.skipSC();
+        } else {
+            children = this.createList();
+            children.push(
+                this.Raw(this.tokenIndex, null, false)
+            );
+        }
+
+        this.eat(types.RightParenthesis);
+    } else {
+        name = this.consume(types.Ident);
+    }
+
+    return {
+        type: 'PseudoClassSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.Colon, ':');
+
+    if (node.children === null) {
+        this.token(types.Ident, node.name);
+    } else {
+        this.token(types.Function, node.name + '(');
+        this.children(node);
+        this.token(types.RightParenthesis, ')');
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],85:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'PseudoElementSelector';
+const walkContext = 'function';
+const structure = {
+    name: String,
+    children: [['Raw'], null]
+};
+
+// :: [ <ident> | <function-token> <any-value>? ) ]
+function parse() {
+    const start = this.tokenStart;
+    let children = null;
+    let name;
+    let nameLowerCase;
+
+    this.eat(types.Colon);
+    this.eat(types.Colon);
+
+    if (this.tokenType === types.Function) {
+        name = this.consumeFunctionName();
+        nameLowerCase = name.toLowerCase();
+
+        if (hasOwnProperty.call(this.pseudo, nameLowerCase)) {
+            this.skipSC();
+            children = this.pseudo[nameLowerCase].call(this);
+            this.skipSC();
+        } else {
+            children = this.createList();
+            children.push(
+                this.Raw(this.tokenIndex, null, false)
+            );
+        }
+
+        this.eat(types.RightParenthesis);
+    } else {
+        name = this.consume(types.Ident);
+    }
+
+    return {
+        type: 'PseudoElementSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.Colon, ':');
+    this.token(types.Colon, ':');
+
+    if (node.children === null) {
+        this.token(types.Ident, node.name);
+    } else {
+        this.token(types.Function, node.name + '(');
+        this.children(node);
+        this.token(types.RightParenthesis, ')');
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],86:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+const charCodeDefinitions = require('../../tokenizer/char-code-definitions.cjs');
+
+const SOLIDUS = 0x002F;  // U+002F SOLIDUS (/)
+const FULLSTOP = 0x002E; // U+002E FULL STOP (.)
+
+// Terms of <ratio> should be a positive numbers (not zero or negative)
+// (see https://drafts.csswg.org/mediaqueries-3/#values)
+// However, -o-min-device-pixel-ratio takes fractional values as a ratio's term
+// and this is using by various sites. Therefore we relax checking on parse
+// to test a term is unsigned number without an exponent part.
+// Additional checking may be applied on lexer validation.
+function consumeNumber() {
+    this.skipSC();
+
+    const value = this.consume(types.Number);
+
+    for (let i = 0; i < value.length; i++) {
+        const code = value.charCodeAt(i);
+        if (!charCodeDefinitions.isDigit(code) && code !== FULLSTOP) {
+            this.error('Unsigned number is expected', this.tokenStart - value.length + i);
+        }
+    }
+
+    if (Number(value) === 0) {
+        this.error('Zero number is not allowed', this.tokenStart - value.length);
+    }
+
+    return value;
+}
+
+const name = 'Ratio';
+const structure = {
+    left: String,
+    right: String
+};
+
+// <positive-integer> S* '/' S* <positive-integer>
+function parse() {
+    const start = this.tokenStart;
+    const left = consumeNumber.call(this);
+    let right;
+
+    this.skipSC();
+    this.eatDelim(SOLIDUS);
+    right = consumeNumber.call(this);
+
+    return {
+        type: 'Ratio',
+        loc: this.getLocation(start, this.tokenStart),
+        left,
+        right
+    };
+}
+
+function generate(node) {
+    this.token(types.Number, node.left);
+    this.token(types.Delim, '/');
+    this.token(types.Number, node.right);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/char-code-definitions.cjs":109,"../../tokenizer/types.cjs":112}],87:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function getOffsetExcludeWS() {
+    if (this.tokenIndex > 0) {
+        if (this.lookupType(-1) === types.WhiteSpace) {
+            return this.tokenIndex > 1
+                ? this.getTokenStart(this.tokenIndex - 1)
+                : this.firstCharOffset;
+        }
+    }
+
+    return this.tokenStart;
+}
+
+const name = 'Raw';
+const structure = {
+    value: String
+};
+
+function parse(startToken, consumeUntil, excludeWhiteSpace) {
+    const startOffset = this.getTokenStart(startToken);
+    let endOffset;
+
+    this.skipUntilBalanced(startToken, consumeUntil || this.consumeUntilBalanceEnd);
+
+    if (excludeWhiteSpace && this.tokenStart > startOffset) {
+        endOffset = getOffsetExcludeWS.call(this);
+    } else {
+        endOffset = this.tokenStart;
+    }
+
+    return {
+        type: 'Raw',
+        loc: this.getLocation(startOffset, endOffset),
+        value: this.substring(startOffset, endOffset)
+    };
+}
+
+function generate(node) {
+    this.tokenize(node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],88:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilLeftCurlyBracket, true);
+}
+
+function consumePrelude() {
+    const prelude = this.SelectorList();
+
+    if (prelude.type !== 'Raw' &&
+        this.eof === false &&
+        this.tokenType !== types.LeftCurlyBracket) {
+        this.error();
+    }
+
+    return prelude;
+}
+
+const name = 'Rule';
+const walkContext = 'rule';
+const structure = {
+    prelude: ['SelectorList', 'Raw'],
+    block: ['Block']
+};
+
+function parse() {
+    const startToken = this.tokenIndex;
+    const startOffset = this.tokenStart;
+    let prelude;
+    let block;
+
+    if (this.parseRulePrelude) {
+        prelude = this.parseWithFallback(consumePrelude, consumeRaw);
+    } else {
+        prelude = consumeRaw.call(this, startToken);
+    }
+
+    block = this.Block(true);
+
+    return {
+        type: 'Rule',
+        loc: this.getLocation(startOffset, this.tokenStart),
+        prelude,
+        block
+    };
+}
+function generate(node) {
+    this.node(node.prelude);
+    this.node(node.block);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],89:[function(require,module,exports){
+'use strict';
+
+const name = 'Selector';
+const structure = {
+    children: [[
+        'TypeSelector',
+        'IdSelector',
+        'ClassSelector',
+        'AttributeSelector',
+        'PseudoClassSelector',
+        'PseudoElementSelector',
+        'Combinator',
+        'WhiteSpace'
+    ]]
+};
+
+function parse() {
+    const children = this.readSequence(this.scope.Selector);
+
+    // nothing were consumed
+    if (this.getFirstListNode(children) === null) {
+        this.error('Selector is expected');
+    }
+
+    return {
+        type: 'Selector',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{}],90:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'SelectorList';
+const walkContext = 'selector';
+const structure = {
+    children: [[
+        'Selector',
+        'Raw'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    while (!this.eof) {
+        children.push(this.Selector());
+
+        if (this.tokenType === types.Comma) {
+            this.next();
+            continue;
+        }
+
+        break;
+    }
+
+    return {
+        type: 'SelectorList',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node, () => this.token(types.Comma, ','));
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],91:[function(require,module,exports){
+'use strict';
+
+const string = require('../../utils/string.cjs');
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'String';
+const structure = {
+    value: String
+};
+
+function parse() {
+    return {
+        type: 'String',
+        loc: this.getLocation(this.tokenStart, this.tokenEnd),
+        value: string.decode(this.consume(types.String))
+    };
+}
+
+function generate(node) {
+    this.token(types.String, string.encode(node.value));
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112,"../../utils/string.cjs":119}],92:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const EXCLAMATIONMARK = 0x0021; // U+0021 EXCLAMATION MARK (!)
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, null, false);
+}
+
+const name = 'StyleSheet';
+const walkContext = 'stylesheet';
+const structure = {
+    children: [[
+        'Comment',
+        'CDO',
+        'CDC',
+        'Atrule',
+        'Rule',
+        'Raw'
+    ]]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    const children = this.createList();
+    let child;
+
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.WhiteSpace:
+                this.next();
+                continue;
+
+            case types.Comment:
+                // ignore comments except exclamation comments (i.e. /*! .. */) on top level
+                if (this.charCodeAt(this.tokenStart + 2) !== EXCLAMATIONMARK) {
+                    this.next();
+                    continue;
+                }
+
+                child = this.Comment();
+                break;
+
+            case types.CDO: // <!--
+                child = this.CDO();
+                break;
+
+            case types.CDC: // -->
+                child = this.CDC();
+                break;
+
+            // CSS Syntax Module Level 3
+            // §2.2 Error handling
+            // At the "top level" of a stylesheet, an <at-keyword-token> starts an at-rule.
+            case types.AtKeyword:
+                child = this.parseWithFallback(this.Atrule, consumeRaw);
+                break;
+
+            // Anything else starts a qualified rule ...
+            default:
+                child = this.parseWithFallback(this.Rule, consumeRaw);
+        }
+
+        children.push(child);
+    }
+
+    return {
+        type: 'StyleSheet',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":112}],93:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const ASTERISK = 0x002A;     // U+002A ASTERISK (*)
+const VERTICALLINE = 0x007C; // U+007C VERTICAL LINE (|)
+
+function eatIdentifierOrAsterisk() {
+    if (this.tokenType !== types.Ident &&
+        this.isDelim(ASTERISK) === false) {
+        this.error('Identifier or asterisk is expected');
+    }
+
+    this.next();
+}
+
+const name = 'TypeSelector';
+const structure = {
+    name: String
+};
+
+// ident
+// ident|ident
+// ident|*
+// *
+// *|ident
+// *|*
+// |ident
+// |*
+function parse() {
+    const start = this.tokenStart;
+
+    if (this.isDelim(VERTICALLINE)) {
+        this.next();
+        eatIdentifierOrAsterisk.call(this);
+    } else {
+        eatIdentifierOrAsterisk.call(this);
+
+        if (this.isDelim(VERTICALLINE)) {
+            this.next();
+            eatIdentifierOrAsterisk.call(this);
+        }
+    }
+
+    return {
+        type: 'TypeSelector',
+        loc: this.getLocation(start, this.tokenStart),
+        name: this.substrToCursor(start)
+    };
+}
+
+function generate(node) {
+    this.tokenize(node.name);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],94:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+const charCodeDefinitions = require('../../tokenizer/char-code-definitions.cjs');
+
+const PLUSSIGN = 0x002B;     // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D;  // U+002D HYPHEN-MINUS (-)
+const QUESTIONMARK = 0x003F; // U+003F QUESTION MARK (?)
+
+function eatHexSequence(offset, allowDash) {
+    let len = 0;
+
+    for (let pos = this.tokenStart + offset; pos < this.tokenEnd; pos++) {
+        const code = this.charCodeAt(pos);
+
+        if (code === HYPHENMINUS && allowDash && len !== 0) {
+            eatHexSequence.call(this, offset + len + 1, false);
+            return -1;
+        }
+
+        if (!charCodeDefinitions.isHexDigit(code)) {
+            this.error(
+                allowDash && len !== 0
+                    ? 'Hyphen minus' + (len < 6 ? ' or hex digit' : '') + ' is expected'
+                    : (len < 6 ? 'Hex digit is expected' : 'Unexpected input'),
+                pos
+            );
+        }
+
+        if (++len > 6) {
+            this.error('Too many hex digits', pos);
+        }    }
+
+    this.next();
+    return len;
+}
+
+function eatQuestionMarkSequence(max) {
+    let count = 0;
+
+    while (this.isDelim(QUESTIONMARK)) {
+        if (++count > max) {
+            this.error('Too many question marks');
+        }
+
+        this.next();
+    }
+}
+
+function startsWith(code) {
+    if (this.charCodeAt(this.tokenStart) !== code) {
+        this.error((code === PLUSSIGN ? 'Plus sign' : 'Hyphen minus') + ' is expected');
+    }
+}
+
+// https://drafts.csswg.org/css-syntax/#urange
+// Informally, the <urange> production has three forms:
+// U+0001
+//      Defines a range consisting of a single code point, in this case the code point "1".
+// U+0001-00ff
+//      Defines a range of codepoints between the first and the second value, in this case
+//      the range between "1" and "ff" (255 in decimal) inclusive.
+// U+00??
+//      Defines a range of codepoints where the "?" characters range over all hex digits,
+//      in this case defining the same as the value U+0000-00ff.
+// In each form, a maximum of 6 digits is allowed for each hexadecimal number (if you treat "?" as a hexadecimal digit).
+//
+// <urange> =
+//   u '+' <ident-token> '?'* |
+//   u <dimension-token> '?'* |
+//   u <number-token> '?'* |
+//   u <number-token> <dimension-token> |
+//   u <number-token> <number-token> |
+//   u '+' '?'+
+function scanUnicodeRange() {
+    let hexLength = 0;
+
+    switch (this.tokenType) {
+        case types.Number:
+            // u <number-token> '?'*
+            // u <number-token> <dimension-token>
+            // u <number-token> <number-token>
+            hexLength = eatHexSequence.call(this, 1, true);
+
+            if (this.isDelim(QUESTIONMARK)) {
+                eatQuestionMarkSequence.call(this, 6 - hexLength);
+                break;
+            }
+
+            if (this.tokenType === types.Dimension ||
+                this.tokenType === types.Number) {
+                startsWith.call(this, HYPHENMINUS);
+                eatHexSequence.call(this, 1, false);
+                break;
+            }
+
+            break;
+
+        case types.Dimension:
+            // u <dimension-token> '?'*
+            hexLength = eatHexSequence.call(this, 1, true);
+
+            if (hexLength > 0) {
+                eatQuestionMarkSequence.call(this, 6 - hexLength);
+            }
+
+            break;
+
+        default:
+            // u '+' <ident-token> '?'*
+            // u '+' '?'+
+            this.eatDelim(PLUSSIGN);
+
+            if (this.tokenType === types.Ident) {
+                hexLength = eatHexSequence.call(this, 0, true);
+                if (hexLength > 0) {
+                    eatQuestionMarkSequence.call(this, 6 - hexLength);
+                }
+                break;
+            }
+
+            if (this.isDelim(QUESTIONMARK)) {
+                this.next();
+                eatQuestionMarkSequence.call(this, 5);
+                break;
+            }
+
+            this.error('Hex digit or question mark is expected');
+    }
+}
+
+const name = 'UnicodeRange';
+const structure = {
+    value: String
+};
+
+function parse() {
+    const start = this.tokenStart;
+
+    // U or u
+    this.eatIdent('u');
+    scanUnicodeRange.call(this);
+
+    return {
+        type: 'UnicodeRange',
+        loc: this.getLocation(start, this.tokenStart),
+        value: this.substrToCursor(start)
+    };
+}
+
+function generate(node) {
+    this.tokenize(node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/char-code-definitions.cjs":109,"../../tokenizer/types.cjs":112}],95:[function(require,module,exports){
+'use strict';
+
+const url = require('../../utils/url.cjs');
+const string = require('../../utils/string.cjs');
+const types = require('../../tokenizer/types.cjs');
+
+const name = 'Url';
+const structure = {
+    value: String
+};
+
+// <url-token> | <function-token> <string> )
+function parse() {
+    const start = this.tokenStart;
+    let value;
+
+    switch (this.tokenType) {
+        case types.Url:
+            value = url.decode(this.consume(types.Url));
+            break;
+
+        case types.Function:
+            if (!this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')) {
+                this.error('Function name must be `url`');
+            }
+
+            this.eat(types.Function);
+            this.skipSC();
+            value = string.decode(this.consume(types.String));
+            this.skipSC();
+            if (!this.eof) {
+                this.eat(types.RightParenthesis);
+            }
+            break;
+
+        default:
+            this.error('Url or Function is expected');
+    }
+
+    return {
+        type: 'Url',
+        loc: this.getLocation(start, this.tokenStart),
+        value
+    };
+}
+
+function generate(node) {
+    this.token(types.Url, url.encode(node.value));
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112,"../../utils/string.cjs":119,"../../utils/url.cjs":120}],96:[function(require,module,exports){
+'use strict';
+
+const name = 'Value';
+const structure = {
+    children: [[]]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    const children = this.readSequence(this.scope.Value);
+
+    return {
+        type: 'Value',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{}],97:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const SPACE = Object.freeze({
+    type: 'WhiteSpace',
+    loc: null,
+    value: ' '
+});
+
+const name = 'WhiteSpace';
+const structure = {
+    value: String
+};
+
+function parse() {
+    this.eat(types.WhiteSpace);
+    return SPACE;
+
+    // return {
+    //     type: 'WhiteSpace',
+    //     loc: this.getLocation(this.tokenStart, this.tokenEnd),
+    //     value: this.consume(WHITESPACE)
+    // };
+}
+
+function generate(node) {
+    this.token(types.WhiteSpace, node.value);
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":112}],98:[function(require,module,exports){
+'use strict';
+
+const AnPlusB = require('./AnPlusB.cjs');
+const Atrule = require('./Atrule.cjs');
+const AtrulePrelude = require('./AtrulePrelude.cjs');
+const AttributeSelector = require('./AttributeSelector.cjs');
+const Block = require('./Block.cjs');
+const Brackets = require('./Brackets.cjs');
+const CDC = require('./CDC.cjs');
+const CDO = require('./CDO.cjs');
+const ClassSelector = require('./ClassSelector.cjs');
+const Combinator = require('./Combinator.cjs');
+const Comment = require('./Comment.cjs');
+const Declaration = require('./Declaration.cjs');
+const DeclarationList = require('./DeclarationList.cjs');
+const Dimension = require('./Dimension.cjs');
+const Function = require('./Function.cjs');
+const Hash = require('./Hash.cjs');
+const Identifier = require('./Identifier.cjs');
+const IdSelector = require('./IdSelector.cjs');
+const MediaFeature = require('./MediaFeature.cjs');
+const MediaQuery = require('./MediaQuery.cjs');
+const MediaQueryList = require('./MediaQueryList.cjs');
+const NestingSelector = require('./NestingSelector.cjs');
+const Nth = require('./Nth.cjs');
+const Number = require('./Number.cjs');
+const Operator = require('./Operator.cjs');
+const Parentheses = require('./Parentheses.cjs');
+const Percentage = require('./Percentage.cjs');
+const PseudoClassSelector = require('./PseudoClassSelector.cjs');
+const PseudoElementSelector = require('./PseudoElementSelector.cjs');
+const Ratio = require('./Ratio.cjs');
+const Raw = require('./Raw.cjs');
+const Rule = require('./Rule.cjs');
+const Selector = require('./Selector.cjs');
+const SelectorList = require('./SelectorList.cjs');
+const String = require('./String.cjs');
+const StyleSheet = require('./StyleSheet.cjs');
+const TypeSelector = require('./TypeSelector.cjs');
+const UnicodeRange = require('./UnicodeRange.cjs');
+const Url = require('./Url.cjs');
+const Value = require('./Value.cjs');
+const WhiteSpace = require('./WhiteSpace.cjs');
+
+
+
+exports.AnPlusB = AnPlusB.parse;
+exports.Atrule = Atrule.parse;
+exports.AtrulePrelude = AtrulePrelude.parse;
+exports.AttributeSelector = AttributeSelector.parse;
+exports.Block = Block.parse;
+exports.Brackets = Brackets.parse;
+exports.CDC = CDC.parse;
+exports.CDO = CDO.parse;
+exports.ClassSelector = ClassSelector.parse;
+exports.Combinator = Combinator.parse;
+exports.Comment = Comment.parse;
+exports.Declaration = Declaration.parse;
+exports.DeclarationList = DeclarationList.parse;
+exports.Dimension = Dimension.parse;
+exports.Function = Function.parse;
+exports.Hash = Hash.parse;
+exports.Identifier = Identifier.parse;
+exports.IdSelector = IdSelector.parse;
+exports.MediaFeature = MediaFeature.parse;
+exports.MediaQuery = MediaQuery.parse;
+exports.MediaQueryList = MediaQueryList.parse;
+exports.NestingSelector = NestingSelector.parse;
+exports.Nth = Nth.parse;
+exports.Number = Number.parse;
+exports.Operator = Operator.parse;
+exports.Parentheses = Parentheses.parse;
+exports.Percentage = Percentage.parse;
+exports.PseudoClassSelector = PseudoClassSelector.parse;
+exports.PseudoElementSelector = PseudoElementSelector.parse;
+exports.Ratio = Ratio.parse;
+exports.Raw = Raw.parse;
+exports.Rule = Rule.parse;
+exports.Selector = Selector.parse;
+exports.SelectorList = SelectorList.parse;
+exports.String = String.parse;
+exports.StyleSheet = StyleSheet.parse;
+exports.TypeSelector = TypeSelector.parse;
+exports.UnicodeRange = UnicodeRange.parse;
+exports.Url = Url.parse;
+exports.Value = Value.parse;
+exports.WhiteSpace = WhiteSpace.parse;
+
+},{"./AnPlusB.cjs":57,"./Atrule.cjs":58,"./AtrulePrelude.cjs":59,"./AttributeSelector.cjs":60,"./Block.cjs":61,"./Brackets.cjs":62,"./CDC.cjs":63,"./CDO.cjs":64,"./ClassSelector.cjs":65,"./Combinator.cjs":66,"./Comment.cjs":67,"./Declaration.cjs":68,"./DeclarationList.cjs":69,"./Dimension.cjs":70,"./Function.cjs":71,"./Hash.cjs":72,"./IdSelector.cjs":73,"./Identifier.cjs":74,"./MediaFeature.cjs":75,"./MediaQuery.cjs":76,"./MediaQueryList.cjs":77,"./NestingSelector.cjs":78,"./Nth.cjs":79,"./Number.cjs":80,"./Operator.cjs":81,"./Parentheses.cjs":82,"./Percentage.cjs":83,"./PseudoClassSelector.cjs":84,"./PseudoElementSelector.cjs":85,"./Ratio.cjs":86,"./Raw.cjs":87,"./Rule.cjs":88,"./Selector.cjs":89,"./SelectorList.cjs":90,"./String.cjs":91,"./StyleSheet.cjs":92,"./TypeSelector.cjs":93,"./UnicodeRange.cjs":94,"./Url.cjs":95,"./Value.cjs":96,"./WhiteSpace.cjs":97}],99:[function(require,module,exports){
+'use strict';
+
+const AnPlusB = require('./AnPlusB.cjs');
+const Atrule = require('./Atrule.cjs');
+const AtrulePrelude = require('./AtrulePrelude.cjs');
+const AttributeSelector = require('./AttributeSelector.cjs');
+const Block = require('./Block.cjs');
+const Brackets = require('./Brackets.cjs');
+const CDC = require('./CDC.cjs');
+const CDO = require('./CDO.cjs');
+const ClassSelector = require('./ClassSelector.cjs');
+const Combinator = require('./Combinator.cjs');
+const Comment = require('./Comment.cjs');
+const Declaration = require('./Declaration.cjs');
+const DeclarationList = require('./DeclarationList.cjs');
+const Dimension = require('./Dimension.cjs');
+const Function = require('./Function.cjs');
+const Hash = require('./Hash.cjs');
+const Identifier = require('./Identifier.cjs');
+const IdSelector = require('./IdSelector.cjs');
+const MediaFeature = require('./MediaFeature.cjs');
+const MediaQuery = require('./MediaQuery.cjs');
+const MediaQueryList = require('./MediaQueryList.cjs');
+const NestingSelector = require('./NestingSelector.cjs');
+const Nth = require('./Nth.cjs');
+const Number$1 = require('./Number.cjs');
+const Operator = require('./Operator.cjs');
+const Parentheses = require('./Parentheses.cjs');
+const Percentage = require('./Percentage.cjs');
+const PseudoClassSelector = require('./PseudoClassSelector.cjs');
+const PseudoElementSelector = require('./PseudoElementSelector.cjs');
+const Ratio = require('./Ratio.cjs');
+const Raw = require('./Raw.cjs');
+const Rule = require('./Rule.cjs');
+const Selector = require('./Selector.cjs');
+const SelectorList = require('./SelectorList.cjs');
+const String$1 = require('./String.cjs');
+const StyleSheet = require('./StyleSheet.cjs');
+const TypeSelector = require('./TypeSelector.cjs');
+const UnicodeRange = require('./UnicodeRange.cjs');
+const Url = require('./Url.cjs');
+const Value = require('./Value.cjs');
+const WhiteSpace = require('./WhiteSpace.cjs');
+
+
+
+exports.AnPlusB = AnPlusB;
+exports.Atrule = Atrule;
+exports.AtrulePrelude = AtrulePrelude;
+exports.AttributeSelector = AttributeSelector;
+exports.Block = Block;
+exports.Brackets = Brackets;
+exports.CDC = CDC;
+exports.CDO = CDO;
+exports.ClassSelector = ClassSelector;
+exports.Combinator = Combinator;
+exports.Comment = Comment;
+exports.Declaration = Declaration;
+exports.DeclarationList = DeclarationList;
+exports.Dimension = Dimension;
+exports.Function = Function;
+exports.Hash = Hash;
+exports.Identifier = Identifier;
+exports.IdSelector = IdSelector;
+exports.MediaFeature = MediaFeature;
+exports.MediaQuery = MediaQuery;
+exports.MediaQueryList = MediaQueryList;
+exports.NestingSelector = NestingSelector;
+exports.Nth = Nth;
+exports.Number = Number$1;
+exports.Operator = Operator;
+exports.Parentheses = Parentheses;
+exports.Percentage = Percentage;
+exports.PseudoClassSelector = PseudoClassSelector;
+exports.PseudoElementSelector = PseudoElementSelector;
+exports.Ratio = Ratio;
+exports.Raw = Raw;
+exports.Rule = Rule;
+exports.Selector = Selector;
+exports.SelectorList = SelectorList;
+exports.String = String$1;
+exports.StyleSheet = StyleSheet;
+exports.TypeSelector = TypeSelector;
+exports.UnicodeRange = UnicodeRange;
+exports.Url = Url;
+exports.Value = Value;
+exports.WhiteSpace = WhiteSpace;
+
+},{"./AnPlusB.cjs":57,"./Atrule.cjs":58,"./AtrulePrelude.cjs":59,"./AttributeSelector.cjs":60,"./Block.cjs":61,"./Brackets.cjs":62,"./CDC.cjs":63,"./CDO.cjs":64,"./ClassSelector.cjs":65,"./Combinator.cjs":66,"./Comment.cjs":67,"./Declaration.cjs":68,"./DeclarationList.cjs":69,"./Dimension.cjs":70,"./Function.cjs":71,"./Hash.cjs":72,"./IdSelector.cjs":73,"./Identifier.cjs":74,"./MediaFeature.cjs":75,"./MediaQuery.cjs":76,"./MediaQueryList.cjs":77,"./NestingSelector.cjs":78,"./Nth.cjs":79,"./Number.cjs":80,"./Operator.cjs":81,"./Parentheses.cjs":82,"./Percentage.cjs":83,"./PseudoClassSelector.cjs":84,"./PseudoElementSelector.cjs":85,"./Ratio.cjs":86,"./Raw.cjs":87,"./Rule.cjs":88,"./Selector.cjs":89,"./SelectorList.cjs":90,"./String.cjs":91,"./StyleSheet.cjs":92,"./TypeSelector.cjs":93,"./UnicodeRange.cjs":94,"./Url.cjs":95,"./Value.cjs":96,"./WhiteSpace.cjs":97}],100:[function(require,module,exports){
+'use strict';
+
+const selectorList = {
+    parse() {
+        return this.createSingleNodeList(
+            this.SelectorList()
+        );
+    }
+};
+
+const selector = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Selector()
+        );
+    }
+};
+
+const identList = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Identifier()
+        );
+    }
+};
+
+const nth = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Nth()
+        );
+    }
+};
+
+const pseudo = {
+    'dir': identList,
+    'has': selectorList,
+    'lang': identList,
+    'matches': selectorList,
+    'is': selectorList,
+    '-moz-any': selectorList,
+    '-webkit-any': selectorList,
+    'where': selectorList,
+    'not': selectorList,
+    'nth-child': nth,
+    'nth-last-child': nth,
+    'nth-last-of-type': nth,
+    'nth-of-type': nth,
+    'slotted': selector,
+    'host': selector,
+    'host-context': selector
+};
+
+module.exports = pseudo;
+
+},{}],101:[function(require,module,exports){
+'use strict';
+
+const _default = require('./default.cjs');
+
+const atrulePrelude = {
+    getNode: _default
+};
+
+module.exports = atrulePrelude;
+
+},{"./default.cjs":102}],102:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const NUMBERSIGN = 0x0023;  // U+0023 NUMBER SIGN (#)
+const ASTERISK = 0x002A;    // U+002A ASTERISK (*)
+const PLUSSIGN = 0x002B;    // U+002B PLUS SIGN (+)
+const HYPHENMINUS = 0x002D; // U+002D HYPHEN-MINUS (-)
+const SOLIDUS = 0x002F;     // U+002F SOLIDUS (/)
+const U = 0x0075;           // U+0075 LATIN SMALL LETTER U (u)
+
+function defaultRecognizer(context) {
+    switch (this.tokenType) {
+        case types.Hash:
+            return this.Hash();
+
+        case types.Comma:
+            return this.Operator();
+
+        case types.LeftParenthesis:
+            return this.Parentheses(this.readSequence, context.recognizer);
+
+        case types.LeftSquareBracket:
+            return this.Brackets(this.readSequence, context.recognizer);
+
+        case types.String:
+            return this.String();
+
+        case types.Dimension:
+            return this.Dimension();
+
+        case types.Percentage:
+            return this.Percentage();
+
+        case types.Number:
+            return this.Number();
+
+        case types.Function:
+            return this.cmpStr(this.tokenStart, this.tokenEnd, 'url(')
+                ? this.Url()
+                : this.Function(this.readSequence, context.recognizer);
+
+        case types.Url:
+            return this.Url();
+
+        case types.Ident:
+            // check for unicode range, it should start with u+ or U+
+            if (this.cmpChar(this.tokenStart, U) &&
+                this.cmpChar(this.tokenStart + 1, PLUSSIGN)) {
+                return this.UnicodeRange();
+            } else {
+                return this.Identifier();
+            }
+
+        case types.Delim: {
+            const code = this.charCodeAt(this.tokenStart);
+
+            if (code === SOLIDUS ||
+                code === ASTERISK ||
+                code === PLUSSIGN ||
+                code === HYPHENMINUS) {
+                return this.Operator(); // TODO: replace with Delim
+            }
+
+            // TODO: produce a node with Delim node type
+
+            if (code === NUMBERSIGN) {
+                this.error('Hex or identifier is expected', this.tokenStart + 1);
+            }
+
+            break;
+        }
+    }
+}
+
+module.exports = defaultRecognizer;
+
+},{"../../tokenizer/types.cjs":112}],103:[function(require,module,exports){
+'use strict';
+
+const atrulePrelude = require('./atrulePrelude.cjs');
+const selector = require('./selector.cjs');
+const value = require('./value.cjs');
+
+
+
+exports.AtrulePrelude = atrulePrelude;
+exports.Selector = selector;
+exports.Value = value;
+
+},{"./atrulePrelude.cjs":101,"./selector.cjs":104,"./value.cjs":105}],104:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)
+const AMPERSAND = 0x0026;       // U+0026 AMPERSAND (&)
+const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
+const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+const FULLSTOP = 0x002E;        // U+002E FULL STOP (.)
+const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
+const VERTICALLINE = 0x007C;    // U+007C VERTICAL LINE (|)
+const TILDE = 0x007E;           // U+007E TILDE (~)
+
+function onWhiteSpace(next, children) {
+    if (children.last !== null && children.last.type !== 'Combinator' &&
+        next !== null && next.type !== 'Combinator') {
+        children.push({  // FIXME: this.Combinator() should be used instead
+            type: 'Combinator',
+            loc: null,
+            name: ' '
+        });
+    }
+}
+
+function getNode() {
+    switch (this.tokenType) {
+        case types.LeftSquareBracket:
+            return this.AttributeSelector();
+
+        case types.Hash:
+            return this.IdSelector();
+
+        case types.Colon:
+            if (this.lookupType(1) === types.Colon) {
+                return this.PseudoElementSelector();
+            } else {
+                return this.PseudoClassSelector();
+            }
+
+        case types.Ident:
+            return this.TypeSelector();
+
+        case types.Number:
+        case types.Percentage:
+            return this.Percentage();
+
+        case types.Dimension:
+            // throws when .123ident
+            if (this.charCodeAt(this.tokenStart) === FULLSTOP) {
+                this.error('Identifier is expected', this.tokenStart + 1);
+            }
+            break;
+
+        case types.Delim: {
+            const code = this.charCodeAt(this.tokenStart);
+
+            switch (code) {
+                case PLUSSIGN:
+                case GREATERTHANSIGN:
+                case TILDE:
+                case SOLIDUS:  // /deep/
+                    return this.Combinator();
+
+                case FULLSTOP:
+                    return this.ClassSelector();
+
+                case ASTERISK:
+                case VERTICALLINE:
+                    return this.TypeSelector();
+
+                case NUMBERSIGN:
+                    return this.IdSelector();
+
+                case AMPERSAND:
+                    return this.NestingSelector();
+            }
+
+            break;
+        }
+    }
+}
+const Selector = {
+    onWhiteSpace,
+    getNode
+};
+
+module.exports = Selector;
+
+},{"../../tokenizer/types.cjs":112}],105:[function(require,module,exports){
+'use strict';
+
+const _default = require('./default.cjs');
+const expression = require('../function/expression.cjs');
+const _var = require('../function/var.cjs');
+
+function isPlusMinusOperator(node) {
+    return (
+        node !== null &&
+        node.type === 'Operator' &&
+        (node.value[node.value.length - 1] === '-' || node.value[node.value.length - 1] === '+')
+    );
+}
+
+const value = {
+    getNode: _default,
+    onWhiteSpace(next, children) {
+        if (isPlusMinusOperator(next)) {
+            next.value = ' ' + next.value;
+        }
+        if (isPlusMinusOperator(children.last)) {
+            children.last.value += ' ';
+        }
+    },
+    'expression': expression,
+    'var': _var
+};
+
+module.exports = value;
+
+},{"../function/expression.cjs":54,"../function/var.cjs":55,"./default.cjs":102}],106:[function(require,module,exports){
+'use strict';
+
+const adoptBuffer = require('./adopt-buffer.cjs');
+const charCodeDefinitions = require('./char-code-definitions.cjs');
+
+const N = 10;
+const F = 12;
+const R = 13;
+
+function computeLinesAndColumns(host) {
+    const source = host.source;
+    const sourceLength = source.length;
+    const startOffset = source.length > 0 ? charCodeDefinitions.isBOM(source.charCodeAt(0)) : 0;
+    const lines = adoptBuffer.adoptBuffer(host.lines, sourceLength);
+    const columns = adoptBuffer.adoptBuffer(host.columns, sourceLength);
+    let line = host.startLine;
+    let column = host.startColumn;
+
+    for (let i = startOffset; i < sourceLength; i++) {
+        const code = source.charCodeAt(i);
+
+        lines[i] = line;
+        columns[i] = column++;
+
+        if (code === N || code === R || code === F) {
+            if (code === R && i + 1 < sourceLength && source.charCodeAt(i + 1) === N) {
+                i++;
+                lines[i] = line;
+                columns[i] = column;
+            }
+
+            line++;
+            column = 1;
+        }
+    }
+
+    lines[sourceLength] = line;
+    columns[sourceLength] = column;
+
+    host.lines = lines;
+    host.columns = columns;
+    host.computed = true;
+}
+
+class OffsetToLocation {
+    constructor() {
+        this.lines = null;
+        this.columns = null;
+        this.computed = false;
+    }
+    setSource(source, startOffset = 0, startLine = 1, startColumn = 1) {
+        this.source = source;
+        this.startOffset = startOffset;
+        this.startLine = startLine;
+        this.startColumn = startColumn;
+        this.computed = false;
+    }
+    getLocation(offset, filename) {
+        if (!this.computed) {
+            computeLinesAndColumns(this);
+        }
+
+        return {
+            source: filename,
+            offset: this.startOffset + offset,
+            line: this.lines[offset],
+            column: this.columns[offset]
+        };
+    }
+    getLocationRange(start, end, filename) {
+        if (!this.computed) {
+            computeLinesAndColumns(this);
+        }
+
+        return {
+            source: filename,
+            start: {
+                offset: this.startOffset + start,
+                line: this.lines[start],
+                column: this.columns[start]
+            },
+            end: {
+                offset: this.startOffset + end,
+                line: this.lines[end],
+                column: this.columns[end]
+            }
+        };
+    }
+}
+
+exports.OffsetToLocation = OffsetToLocation;
+
+},{"./adopt-buffer.cjs":108,"./char-code-definitions.cjs":109}],107:[function(require,module,exports){
+'use strict';
+
+const adoptBuffer = require('./adopt-buffer.cjs');
+const utils = require('./utils.cjs');
+const names = require('./names.cjs');
+const types = require('./types.cjs');
+
+const OFFSET_MASK = 0x00FFFFFF;
+const TYPE_SHIFT = 24;
+const balancePair = new Map([
+    [types.Function, types.RightParenthesis],
+    [types.LeftParenthesis, types.RightParenthesis],
+    [types.LeftSquareBracket, types.RightSquareBracket],
+    [types.LeftCurlyBracket, types.RightCurlyBracket]
+]);
+
+class TokenStream {
+    constructor(source, tokenize) {
+        this.setSource(source, tokenize);
+    }
+    reset() {
+        this.eof = false;
+        this.tokenIndex = -1;
+        this.tokenType = 0;
+        this.tokenStart = this.firstCharOffset;
+        this.tokenEnd = this.firstCharOffset;
+    }
+    setSource(source = '', tokenize = () => {}) {
+        source = String(source || '');
+
+        const sourceLength = source.length;
+        const offsetAndType = adoptBuffer.adoptBuffer(this.offsetAndType, source.length + 1); // +1 because of eof-token
+        const balance = adoptBuffer.adoptBuffer(this.balance, source.length + 1);
+        let tokenCount = 0;
+        let balanceCloseType = 0;
+        let balanceStart = 0;
+        let firstCharOffset = -1;
+
+        // capture buffers
+        this.offsetAndType = null;
+        this.balance = null;
+
+        tokenize(source, (type, start, end) => {
+            switch (type) {
+                default:
+                    balance[tokenCount] = sourceLength;
+                    break;
+
+                case balanceCloseType: {
+                    let balancePrev = balanceStart & OFFSET_MASK;
+                    balanceStart = balance[balancePrev];
+                    balanceCloseType = balanceStart >> TYPE_SHIFT;
+                    balance[tokenCount] = balancePrev;
+                    balance[balancePrev++] = tokenCount;
+                    for (; balancePrev < tokenCount; balancePrev++) {
+                        if (balance[balancePrev] === sourceLength) {
+                            balance[balancePrev] = tokenCount;
+                        }
+                    }
+                    break;
+                }
+
+                case types.LeftParenthesis:
+                case types.Function:
+                case types.LeftSquareBracket:
+                case types.LeftCurlyBracket:
+                    balance[tokenCount] = balanceStart;
+                    balanceCloseType = balancePair.get(type);
+                    balanceStart = (balanceCloseType << TYPE_SHIFT) | tokenCount;
+                    break;
+            }
+
+            offsetAndType[tokenCount++] = (type << TYPE_SHIFT) | end;
+            if (firstCharOffset === -1) {
+                firstCharOffset = start;
+            }
+        });
+
+        // finalize buffers
+        offsetAndType[tokenCount] = (types.EOF << TYPE_SHIFT) | sourceLength; // <EOF-token>
+        balance[tokenCount] = sourceLength;
+        balance[sourceLength] = sourceLength; // prevents false positive balance match with any token
+        while (balanceStart !== 0) {
+            const balancePrev = balanceStart & OFFSET_MASK;
+            balanceStart = balance[balancePrev];
+            balance[balancePrev] = sourceLength;
+        }
+
+        this.source = source;
+        this.firstCharOffset = firstCharOffset === -1 ? 0 : firstCharOffset;
+        this.tokenCount = tokenCount;
+        this.offsetAndType = offsetAndType;
+        this.balance = balance;
+
+        this.reset();
+        this.next();
+    }
+
+    lookupType(offset) {
+        offset += this.tokenIndex;
+
+        if (offset < this.tokenCount) {
+            return this.offsetAndType[offset] >> TYPE_SHIFT;
+        }
+
+        return types.EOF;
+    }
+    lookupOffset(offset) {
+        offset += this.tokenIndex;
+
+        if (offset < this.tokenCount) {
+            return this.offsetAndType[offset - 1] & OFFSET_MASK;
+        }
+
+        return this.source.length;
+    }
+    lookupValue(offset, referenceStr) {
+        offset += this.tokenIndex;
+
+        if (offset < this.tokenCount) {
+            return utils.cmpStr(
+                this.source,
+                this.offsetAndType[offset - 1] & OFFSET_MASK,
+                this.offsetAndType[offset] & OFFSET_MASK,
+                referenceStr
+            );
+        }
+
+        return false;
+    }
+    getTokenStart(tokenIndex) {
+        if (tokenIndex === this.tokenIndex) {
+            return this.tokenStart;
+        }
+
+        if (tokenIndex > 0) {
+            return tokenIndex < this.tokenCount
+                ? this.offsetAndType[tokenIndex - 1] & OFFSET_MASK
+                : this.offsetAndType[this.tokenCount] & OFFSET_MASK;
+        }
+
+        return this.firstCharOffset;
+    }
+    substrToCursor(start) {
+        return this.source.substring(start, this.tokenStart);
+    }
+
+    isBalanceEdge(pos) {
+        return this.balance[this.tokenIndex] < pos;
+    }
+    isDelim(code, offset) {
+        if (offset) {
+            return (
+                this.lookupType(offset) === types.Delim &&
+                this.source.charCodeAt(this.lookupOffset(offset)) === code
+            );
+        }
+
+        return (
+            this.tokenType === types.Delim &&
+            this.source.charCodeAt(this.tokenStart) === code
+        );
+    }
+
+    skip(tokenCount) {
+        let next = this.tokenIndex + tokenCount;
+
+        if (next < this.tokenCount) {
+            this.tokenIndex = next;
+            this.tokenStart = this.offsetAndType[next - 1] & OFFSET_MASK;
+            next = this.offsetAndType[next];
+            this.tokenType = next >> TYPE_SHIFT;
+            this.tokenEnd = next & OFFSET_MASK;
+        } else {
+            this.tokenIndex = this.tokenCount;
+            this.next();
+        }
+    }
+    next() {
+        let next = this.tokenIndex + 1;
+
+        if (next < this.tokenCount) {
+            this.tokenIndex = next;
+            this.tokenStart = this.tokenEnd;
+            next = this.offsetAndType[next];
+            this.tokenType = next >> TYPE_SHIFT;
+            this.tokenEnd = next & OFFSET_MASK;
+        } else {
+            this.eof = true;
+            this.tokenIndex = this.tokenCount;
+            this.tokenType = types.EOF;
+            this.tokenStart = this.tokenEnd = this.source.length;
+        }
+    }
+    skipSC() {
+        while (this.tokenType === types.WhiteSpace || this.tokenType === types.Comment) {
+            this.next();
+        }
+    }
+    skipUntilBalanced(startToken, stopConsume) {
+        let cursor = startToken;
+        let balanceEnd;
+        let offset;
+
+        loop:
+        for (; cursor < this.tokenCount; cursor++) {
+            balanceEnd = this.balance[cursor];
+
+            // stop scanning on balance edge that points to offset before start token
+            if (balanceEnd < startToken) {
+                break loop;
+            }
+
+            offset = cursor > 0 ? this.offsetAndType[cursor - 1] & OFFSET_MASK : this.firstCharOffset;
+
+            // check stop condition
+            switch (stopConsume(this.source.charCodeAt(offset))) {
+                case 1: // just stop
+                    break loop;
+
+                case 2: // stop & included
+                    cursor++;
+                    break loop;
+
+                default:
+                    // fast forward to the end of balanced block
+                    if (this.balance[balanceEnd] === cursor) {
+                        cursor = balanceEnd;
+                    }
+            }
+        }
+
+        this.skip(cursor - this.tokenIndex);
+    }
+
+    forEachToken(fn) {
+        for (let i = 0, offset = this.firstCharOffset; i < this.tokenCount; i++) {
+            const start = offset;
+            const item = this.offsetAndType[i];
+            const end = item & OFFSET_MASK;
+            const type = item >> TYPE_SHIFT;
+
+            offset = end;
+
+            fn(type, start, end, i);
+        }
+    }
+    dump() {
+        const tokens = new Array(this.tokenCount);
+
+        this.forEachToken((type, start, end, index) => {
+            tokens[index] = {
+                idx: index,
+                type: names[type],
+                chunk: this.source.substring(start, end),
+                balance: this.balance[index]
+            };
+        });
+
+        return tokens;
+    }
+}
+
+exports.TokenStream = TokenStream;
+
+},{"./adopt-buffer.cjs":108,"./names.cjs":111,"./types.cjs":112,"./utils.cjs":113}],108:[function(require,module,exports){
+'use strict';
+
+const MIN_SIZE = 16 * 1024;
+
+function adoptBuffer(buffer = null, size) {
+    if (buffer === null || buffer.length < size) {
+        return new Uint32Array(Math.max(size + 1024, MIN_SIZE));
+    }
+
+    return buffer;
+}
+
+exports.adoptBuffer = adoptBuffer;
+
+},{}],109:[function(require,module,exports){
+'use strict';
+
+const EOF = 0;
+
+// https://drafts.csswg.org/css-syntax-3/
+// § 4.2. Definitions
+
+// digit
+// A code point between U+0030 DIGIT ZERO (0) and U+0039 DIGIT NINE (9).
+function isDigit(code) {
+    return code >= 0x0030 && code <= 0x0039;
+}
+
+// hex digit
+// A digit, or a code point between U+0041 LATIN CAPITAL LETTER A (A) and U+0046 LATIN CAPITAL LETTER F (F),
+// or a code point between U+0061 LATIN SMALL LETTER A (a) and U+0066 LATIN SMALL LETTER F (f).
+function isHexDigit(code) {
+    return (
+        isDigit(code) || // 0 .. 9
+        (code >= 0x0041 && code <= 0x0046) || // A .. F
+        (code >= 0x0061 && code <= 0x0066)    // a .. f
+    );
+}
+
+// uppercase letter
+// A code point between U+0041 LATIN CAPITAL LETTER A (A) and U+005A LATIN CAPITAL LETTER Z (Z).
+function isUppercaseLetter(code) {
+    return code >= 0x0041 && code <= 0x005A;
+}
+
+// lowercase letter
+// A code point between U+0061 LATIN SMALL LETTER A (a) and U+007A LATIN SMALL LETTER Z (z).
+function isLowercaseLetter(code) {
+    return code >= 0x0061 && code <= 0x007A;
+}
+
+// letter
+// An uppercase letter or a lowercase letter.
+function isLetter(code) {
+    return isUppercaseLetter(code) || isLowercaseLetter(code);
+}
+
+// non-ASCII code point
+// A code point with a value equal to or greater than U+0080 <control>.
+function isNonAscii(code) {
+    return code >= 0x0080;
+}
+
+// name-start code point
+// A letter, a non-ASCII code point, or U+005F LOW LINE (_).
+function isNameStart(code) {
+    return isLetter(code) || isNonAscii(code) || code === 0x005F;
+}
+
+// name code point
+// A name-start code point, a digit, or U+002D HYPHEN-MINUS (-).
+function isName(code) {
+    return isNameStart(code) || isDigit(code) || code === 0x002D;
+}
+
+// non-printable code point
+// A code point between U+0000 NULL and U+0008 BACKSPACE, or U+000B LINE TABULATION,
+// or a code point between U+000E SHIFT OUT and U+001F INFORMATION SEPARATOR ONE, or U+007F DELETE.
+function isNonPrintable(code) {
+    return (
+        (code >= 0x0000 && code <= 0x0008) ||
+        (code === 0x000B) ||
+        (code >= 0x000E && code <= 0x001F) ||
+        (code === 0x007F)
+    );
+}
+
+// newline
+// U+000A LINE FEED. Note that U+000D CARRIAGE RETURN and U+000C FORM FEED are not included in this definition,
+// as they are converted to U+000A LINE FEED during preprocessing.
+// TODO: we doesn't do a preprocessing, so check a code point for U+000D CARRIAGE RETURN and U+000C FORM FEED
+function isNewline(code) {
+    return code === 0x000A || code === 0x000D || code === 0x000C;
+}
+
+// whitespace
+// A newline, U+0009 CHARACTER TABULATION, or U+0020 SPACE.
+function isWhiteSpace(code) {
+    return isNewline(code) || code === 0x0020 || code === 0x0009;
+}
+
+// § 4.3.8. Check if two code points are a valid escape
+function isValidEscape(first, second) {
+    // If the first code point is not U+005C REVERSE SOLIDUS (\), return false.
+    if (first !== 0x005C) {
+        return false;
+    }
+
+    // Otherwise, if the second code point is a newline or EOF, return false.
+    if (isNewline(second) || second === EOF) {
+        return false;
+    }
+
+    // Otherwise, return true.
+    return true;
+}
+
+// § 4.3.9. Check if three code points would start an identifier
+function isIdentifierStart(first, second, third) {
+    // Look at the first code point:
+
+    // U+002D HYPHEN-MINUS
+    if (first === 0x002D) {
+        // If the second code point is a name-start code point or a U+002D HYPHEN-MINUS,
+        // or the second and third code points are a valid escape, return true. Otherwise, return false.
+        return (
+            isNameStart(second) ||
+            second === 0x002D ||
+            isValidEscape(second, third)
+        );
+    }
+
+    // name-start code point
+    if (isNameStart(first)) {
+        // Return true.
+        return true;
+    }
+
+    // U+005C REVERSE SOLIDUS (\)
+    if (first === 0x005C) {
+        // If the first and second code points are a valid escape, return true. Otherwise, return false.
+        return isValidEscape(first, second);
+    }
+
+    // anything else
+    // Return false.
+    return false;
+}
+
+// § 4.3.10. Check if three code points would start a number
+function isNumberStart(first, second, third) {
+    // Look at the first code point:
+
+    // U+002B PLUS SIGN (+)
+    // U+002D HYPHEN-MINUS (-)
+    if (first === 0x002B || first === 0x002D) {
+        // If the second code point is a digit, return true.
+        if (isDigit(second)) {
+            return 2;
+        }
+
+        // Otherwise, if the second code point is a U+002E FULL STOP (.)
+        // and the third code point is a digit, return true.
+        // Otherwise, return false.
+        return second === 0x002E && isDigit(third) ? 3 : 0;
+    }
+
+    // U+002E FULL STOP (.)
+    if (first === 0x002E) {
+        // If the second code point is a digit, return true. Otherwise, return false.
+        return isDigit(second) ? 2 : 0;
+    }
+
+    // digit
+    if (isDigit(first)) {
+        // Return true.
+        return 1;
+    }
+
+    // anything else
+    // Return false.
+    return 0;
+}
+
+//
+// Misc
+//
+
+// detect BOM (https://en.wikipedia.org/wiki/Byte_order_mark)
+function isBOM(code) {
+    // UTF-16BE
+    if (code === 0xFEFF) {
+        return 1;
+    }
+
+    // UTF-16LE
+    if (code === 0xFFFE) {
+        return 1;
+    }
+
+    return 0;
+}
+
+// Fast code category
+// Only ASCII code points has a special meaning, that's why we define a maps for 0..127 codes only
+const CATEGORY = new Array(0x80);
+const EofCategory = 0x80;
+const WhiteSpaceCategory = 0x82;
+const DigitCategory = 0x83;
+const NameStartCategory = 0x84;
+const NonPrintableCategory = 0x85;
+
+for (let i = 0; i < CATEGORY.length; i++) {
+    CATEGORY[i] =
+        isWhiteSpace(i) && WhiteSpaceCategory ||
+        isDigit(i) && DigitCategory ||
+        isNameStart(i) && NameStartCategory ||
+        isNonPrintable(i) && NonPrintableCategory ||
+        i || EofCategory;
+}
+
+function charCodeCategory(code) {
+    return code < 0x80 ? CATEGORY[code] : NameStartCategory;
+}
+
+exports.DigitCategory = DigitCategory;
+exports.EofCategory = EofCategory;
+exports.NameStartCategory = NameStartCategory;
+exports.NonPrintableCategory = NonPrintableCategory;
+exports.WhiteSpaceCategory = WhiteSpaceCategory;
+exports.charCodeCategory = charCodeCategory;
+exports.isBOM = isBOM;
+exports.isDigit = isDigit;
+exports.isHexDigit = isHexDigit;
+exports.isIdentifierStart = isIdentifierStart;
+exports.isLetter = isLetter;
+exports.isLowercaseLetter = isLowercaseLetter;
+exports.isName = isName;
+exports.isNameStart = isNameStart;
+exports.isNewline = isNewline;
+exports.isNonAscii = isNonAscii;
+exports.isNonPrintable = isNonPrintable;
+exports.isNumberStart = isNumberStart;
+exports.isUppercaseLetter = isUppercaseLetter;
+exports.isValidEscape = isValidEscape;
+exports.isWhiteSpace = isWhiteSpace;
+
+},{}],110:[function(require,module,exports){
+'use strict';
+
+const types = require('./types.cjs');
+const charCodeDefinitions = require('./char-code-definitions.cjs');
+const utils = require('./utils.cjs');
+const names = require('./names.cjs');
+const OffsetToLocation = require('./OffsetToLocation.cjs');
+const TokenStream = require('./TokenStream.cjs');
+
+function tokenize(source, onToken) {
+    function getCharCode(offset) {
+        return offset < sourceLength ? source.charCodeAt(offset) : 0;
+    }
+
+    // § 4.3.3. Consume a numeric token
+    function consumeNumericToken() {
+        // Consume a number and let number be the result.
+        offset = utils.consumeNumber(source, offset);
+
+        // If the next 3 input code points would start an identifier, then:
+        if (charCodeDefinitions.isIdentifierStart(getCharCode(offset), getCharCode(offset + 1), getCharCode(offset + 2))) {
+            // Create a <dimension-token> with the same value and type flag as number, and a unit set initially to the empty string.
+            // Consume a name. Set the <dimension-token>’s unit to the returned value.
+            // Return the <dimension-token>.
+            type = types.Dimension;
+            offset = utils.consumeName(source, offset);
+            return;
+        }
+
+        // Otherwise, if the next input code point is U+0025 PERCENTAGE SIGN (%), consume it.
+        if (getCharCode(offset) === 0x0025) {
+            // Create a <percentage-token> with the same value as number, and return it.
+            type = types.Percentage;
+            offset++;
+            return;
+        }
+
+        // Otherwise, create a <number-token> with the same value and type flag as number, and return it.
+        type = types.Number;
+    }
+
+    // § 4.3.4. Consume an ident-like token
+    function consumeIdentLikeToken() {
+        const nameStartOffset = offset;
+
+        // Consume a name, and let string be the result.
+        offset = utils.consumeName(source, offset);
+
+        // If string’s value is an ASCII case-insensitive match for "url",
+        // and the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.
+        if (utils.cmpStr(source, nameStartOffset, offset, 'url') && getCharCode(offset) === 0x0028) {
+            // While the next two input code points are whitespace, consume the next input code point.
+            offset = utils.findWhiteSpaceEnd(source, offset + 1);
+
+            // If the next one or two input code points are U+0022 QUOTATION MARK ("), U+0027 APOSTROPHE ('),
+            // or whitespace followed by U+0022 QUOTATION MARK (") or U+0027 APOSTROPHE ('),
+            // then create a <function-token> with its value set to string and return it.
+            if (getCharCode(offset) === 0x0022 ||
+                getCharCode(offset) === 0x0027) {
+                type = types.Function;
+                offset = nameStartOffset + 4;
+                return;
+            }
+
+            // Otherwise, consume a url token, and return it.
+            consumeUrlToken();
+            return;
+        }
+
+        // Otherwise, if the next input code point is U+0028 LEFT PARENTHESIS ((), consume it.
+        // Create a <function-token> with its value set to string and return it.
+        if (getCharCode(offset) === 0x0028) {
+            type = types.Function;
+            offset++;
+            return;
+        }
+
+        // Otherwise, create an <ident-token> with its value set to string and return it.
+        type = types.Ident;
+    }
+
+    // § 4.3.5. Consume a string token
+    function consumeStringToken(endingCodePoint) {
+        // This algorithm may be called with an ending code point, which denotes the code point
+        // that ends the string. If an ending code point is not specified,
+        // the current input code point is used.
+        if (!endingCodePoint) {
+            endingCodePoint = getCharCode(offset++);
+        }
+
+        // Initially create a <string-token> with its value set to the empty string.
+        type = types.String;
+
+        // Repeatedly consume the next input code point from the stream:
+        for (; offset < source.length; offset++) {
+            const code = source.charCodeAt(offset);
+
+            switch (charCodeDefinitions.charCodeCategory(code)) {
+                // ending code point
+                case endingCodePoint:
+                    // Return the <string-token>.
+                    offset++;
+                    return;
+
+                    // EOF
+                    // case EofCategory:
+                    // This is a parse error. Return the <string-token>.
+                    // return;
+
+                // newline
+                case charCodeDefinitions.WhiteSpaceCategory:
+                    if (charCodeDefinitions.isNewline(code)) {
+                        // This is a parse error. Reconsume the current input code point,
+                        // create a <bad-string-token>, and return it.
+                        offset += utils.getNewlineLength(source, offset, code);
+                        type = types.BadString;
+                        return;
+                    }
+                    break;
+
+                // U+005C REVERSE SOLIDUS (\)
+                case 0x005C:
+                    // If the next input code point is EOF, do nothing.
+                    if (offset === source.length - 1) {
+                        break;
+                    }
+
+                    const nextCode = getCharCode(offset + 1);
+
+                    // Otherwise, if the next input code point is a newline, consume it.
+                    if (charCodeDefinitions.isNewline(nextCode)) {
+                        offset += utils.getNewlineLength(source, offset + 1, nextCode);
+                    } else if (charCodeDefinitions.isValidEscape(code, nextCode)) {
+                        // Otherwise, (the stream starts with a valid escape) consume
+                        // an escaped code point and append the returned code point to
+                        // the <string-token>’s value.
+                        offset = utils.consumeEscaped(source, offset) - 1;
+                    }
+                    break;
+
+                // anything else
+                // Append the current input code point to the <string-token>’s value.
+            }
+        }
+    }
+
+    // § 4.3.6. Consume a url token
+    // Note: This algorithm assumes that the initial "url(" has already been consumed.
+    // This algorithm also assumes that it’s being called to consume an "unquoted" value, like url(foo).
+    // A quoted value, like url("foo"), is parsed as a <function-token>. Consume an ident-like token
+    // automatically handles this distinction; this algorithm shouldn’t be called directly otherwise.
+    function consumeUrlToken() {
+        // Initially create a <url-token> with its value set to the empty string.
+        type = types.Url;
+
+        // Consume as much whitespace as possible.
+        offset = utils.findWhiteSpaceEnd(source, offset);
+
+        // Repeatedly consume the next input code point from the stream:
+        for (; offset < source.length; offset++) {
+            const code = source.charCodeAt(offset);
+
+            switch (charCodeDefinitions.charCodeCategory(code)) {
+                // U+0029 RIGHT PARENTHESIS ())
+                case 0x0029:
+                    // Return the <url-token>.
+                    offset++;
+                    return;
+
+                    // EOF
+                    // case EofCategory:
+                    // This is a parse error. Return the <url-token>.
+                    // return;
+
+                // whitespace
+                case charCodeDefinitions.WhiteSpaceCategory:
+                    // Consume as much whitespace as possible.
+                    offset = utils.findWhiteSpaceEnd(source, offset);
+
+                    // If the next input code point is U+0029 RIGHT PARENTHESIS ()) or EOF,
+                    // consume it and return the <url-token>
+                    // (if EOF was encountered, this is a parse error);
+                    if (getCharCode(offset) === 0x0029 || offset >= source.length) {
+                        if (offset < source.length) {
+                            offset++;
+                        }
+                        return;
+                    }
+
+                    // otherwise, consume the remnants of a bad url, create a <bad-url-token>,
+                    // and return it.
+                    offset = utils.consumeBadUrlRemnants(source, offset);
+                    type = types.BadUrl;
+                    return;
+
+                // U+0022 QUOTATION MARK (")
+                // U+0027 APOSTROPHE (')
+                // U+0028 LEFT PARENTHESIS (()
+                // non-printable code point
+                case 0x0022:
+                case 0x0027:
+                case 0x0028:
+                case charCodeDefinitions.NonPrintableCategory:
+                    // This is a parse error. Consume the remnants of a bad url,
+                    // create a <bad-url-token>, and return it.
+                    offset = utils.consumeBadUrlRemnants(source, offset);
+                    type = types.BadUrl;
+                    return;
+
+                // U+005C REVERSE SOLIDUS (\)
+                case 0x005C:
+                    // If the stream starts with a valid escape, consume an escaped code point and
+                    // append the returned code point to the <url-token>’s value.
+                    if (charCodeDefinitions.isValidEscape(code, getCharCode(offset + 1))) {
+                        offset = utils.consumeEscaped(source, offset) - 1;
+                        break;
+                    }
+
+                    // Otherwise, this is a parse error. Consume the remnants of a bad url,
+                    // create a <bad-url-token>, and return it.
+                    offset = utils.consumeBadUrlRemnants(source, offset);
+                    type = types.BadUrl;
+                    return;
+
+                // anything else
+                // Append the current input code point to the <url-token>’s value.
+            }
+        }
+    }
+
+    // ensure source is a string
+    source = String(source || '');
+
+    const sourceLength = source.length;
+    let start = charCodeDefinitions.isBOM(getCharCode(0));
+    let offset = start;
+    let type;
+
+    // https://drafts.csswg.org/css-syntax-3/#consume-token
+    // § 4.3.1. Consume a token
+    while (offset < sourceLength) {
+        const code = source.charCodeAt(offset);
+
+        switch (charCodeDefinitions.charCodeCategory(code)) {
+            // whitespace
+            case charCodeDefinitions.WhiteSpaceCategory:
+                // Consume as much whitespace as possible. Return a <whitespace-token>.
+                type = types.WhiteSpace;
+                offset = utils.findWhiteSpaceEnd(source, offset + 1);
+                break;
+
+            // U+0022 QUOTATION MARK (")
+            case 0x0022:
+                // Consume a string token and return it.
+                consumeStringToken();
+                break;
+
+            // U+0023 NUMBER SIGN (#)
+            case 0x0023:
+                // If the next input code point is a name code point or the next two input code points are a valid escape, then:
+                if (charCodeDefinitions.isName(getCharCode(offset + 1)) || charCodeDefinitions.isValidEscape(getCharCode(offset + 1), getCharCode(offset + 2))) {
+                    // Create a <hash-token>.
+                    type = types.Hash;
+
+                    // If the next 3 input code points would start an identifier, set the <hash-token>’s type flag to "id".
+                    // if (isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {
+                    //     // TODO: set id flag
+                    // }
+
+                    // Consume a name, and set the <hash-token>’s value to the returned string.
+                    offset = utils.consumeName(source, offset + 1);
+
+                    // Return the <hash-token>.
+                } else {
+                    // Otherwise, return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+
+                break;
+
+            // U+0027 APOSTROPHE (')
+            case 0x0027:
+                // Consume a string token and return it.
+                consumeStringToken();
+                break;
+
+            // U+0028 LEFT PARENTHESIS (()
+            case 0x0028:
+                // Return a <(-token>.
+                type = types.LeftParenthesis;
+                offset++;
+                break;
+
+            // U+0029 RIGHT PARENTHESIS ())
+            case 0x0029:
+                // Return a <)-token>.
+                type = types.RightParenthesis;
+                offset++;
+                break;
+
+            // U+002B PLUS SIGN (+)
+            case 0x002B:
+                // If the input stream starts with a number, ...
+                if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {
+                    // ... reconsume the current input code point, consume a numeric token, and return it.
+                    consumeNumericToken();
+                } else {
+                    // Otherwise, return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+                break;
+
+            // U+002C COMMA (,)
+            case 0x002C:
+                // Return a <comma-token>.
+                type = types.Comma;
+                offset++;
+                break;
+
+            // U+002D HYPHEN-MINUS (-)
+            case 0x002D:
+                // If the input stream starts with a number, reconsume the current input code point, consume a numeric token, and return it.
+                if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {
+                    consumeNumericToken();
+                } else {
+                    // Otherwise, if the next 2 input code points are U+002D HYPHEN-MINUS U+003E GREATER-THAN SIGN (->), consume them and return a <CDC-token>.
+                    if (getCharCode(offset + 1) === 0x002D &&
+                        getCharCode(offset + 2) === 0x003E) {
+                        type = types.CDC;
+                        offset = offset + 3;
+                    } else {
+                        // Otherwise, if the input stream starts with an identifier, ...
+                        if (charCodeDefinitions.isIdentifierStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {
+                            // ... reconsume the current input code point, consume an ident-like token, and return it.
+                            consumeIdentLikeToken();
+                        } else {
+                            // Otherwise, return a <delim-token> with its value set to the current input code point.
+                            type = types.Delim;
+                            offset++;
+                        }
+                    }
+                }
+                break;
+
+            // U+002E FULL STOP (.)
+            case 0x002E:
+                // If the input stream starts with a number, ...
+                if (charCodeDefinitions.isNumberStart(code, getCharCode(offset + 1), getCharCode(offset + 2))) {
+                    // ... reconsume the current input code point, consume a numeric token, and return it.
+                    consumeNumericToken();
+                } else {
+                    // Otherwise, return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+
+                break;
+
+            // U+002F SOLIDUS (/)
+            case 0x002F:
+                // If the next two input code point are U+002F SOLIDUS (/) followed by a U+002A ASTERISK (*),
+                if (getCharCode(offset + 1) === 0x002A) {
+                    // ... consume them and all following code points up to and including the first U+002A ASTERISK (*)
+                    // followed by a U+002F SOLIDUS (/), or up to an EOF code point.
+                    type = types.Comment;
+                    offset = source.indexOf('*/', offset + 2);
+                    offset = offset === -1 ? source.length : offset + 2;
+                } else {
+                    type = types.Delim;
+                    offset++;
+                }
+                break;
+
+            // U+003A COLON (:)
+            case 0x003A:
+                // Return a <colon-token>.
+                type = types.Colon;
+                offset++;
+                break;
+
+            // U+003B SEMICOLON (;)
+            case 0x003B:
+                // Return a <semicolon-token>.
+                type = types.Semicolon;
+                offset++;
+                break;
+
+            // U+003C LESS-THAN SIGN (<)
+            case 0x003C:
+                // If the next 3 input code points are U+0021 EXCLAMATION MARK U+002D HYPHEN-MINUS U+002D HYPHEN-MINUS (!--), ...
+                if (getCharCode(offset + 1) === 0x0021 &&
+                    getCharCode(offset + 2) === 0x002D &&
+                    getCharCode(offset + 3) === 0x002D) {
+                    // ... consume them and return a <CDO-token>.
+                    type = types.CDO;
+                    offset = offset + 4;
+                } else {
+                    // Otherwise, return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+
+                break;
+
+            // U+0040 COMMERCIAL AT (@)
+            case 0x0040:
+                // If the next 3 input code points would start an identifier, ...
+                if (charCodeDefinitions.isIdentifierStart(getCharCode(offset + 1), getCharCode(offset + 2), getCharCode(offset + 3))) {
+                    // ... consume a name, create an <at-keyword-token> with its value set to the returned value, and return it.
+                    type = types.AtKeyword;
+                    offset = utils.consumeName(source, offset + 1);
+                } else {
+                    // Otherwise, return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+
+                break;
+
+            // U+005B LEFT SQUARE BRACKET ([)
+            case 0x005B:
+                // Return a <[-token>.
+                type = types.LeftSquareBracket;
+                offset++;
+                break;
+
+            // U+005C REVERSE SOLIDUS (\)
+            case 0x005C:
+                // If the input stream starts with a valid escape, ...
+                if (charCodeDefinitions.isValidEscape(code, getCharCode(offset + 1))) {
+                    // ... reconsume the current input code point, consume an ident-like token, and return it.
+                    consumeIdentLikeToken();
+                } else {
+                    // Otherwise, this is a parse error. Return a <delim-token> with its value set to the current input code point.
+                    type = types.Delim;
+                    offset++;
+                }
+                break;
+
+            // U+005D RIGHT SQUARE BRACKET (])
+            case 0x005D:
+                // Return a <]-token>.
+                type = types.RightSquareBracket;
+                offset++;
+                break;
+
+            // U+007B LEFT CURLY BRACKET ({)
+            case 0x007B:
+                // Return a <{-token>.
+                type = types.LeftCurlyBracket;
+                offset++;
+                break;
+
+            // U+007D RIGHT CURLY BRACKET (})
+            case 0x007D:
+                // Return a <}-token>.
+                type = types.RightCurlyBracket;
+                offset++;
+                break;
+
+            // digit
+            case charCodeDefinitions.DigitCategory:
+                // Reconsume the current input code point, consume a numeric token, and return it.
+                consumeNumericToken();
+                break;
+
+            // name-start code point
+            case charCodeDefinitions.NameStartCategory:
+                // Reconsume the current input code point, consume an ident-like token, and return it.
+                consumeIdentLikeToken();
+                break;
+
+                // EOF
+                // case EofCategory:
+                // Return an <EOF-token>.
+                // break;
+
+            // anything else
+            default:
+                // Return a <delim-token> with its value set to the current input code point.
+                type = types.Delim;
+                offset++;
+        }
+
+        // put token to stream
+        onToken(type, start, start = offset);
+    }
+}
+
+exports.AtKeyword = types.AtKeyword;
+exports.BadString = types.BadString;
+exports.BadUrl = types.BadUrl;
+exports.CDC = types.CDC;
+exports.CDO = types.CDO;
+exports.Colon = types.Colon;
+exports.Comma = types.Comma;
+exports.Comment = types.Comment;
+exports.Delim = types.Delim;
+exports.Dimension = types.Dimension;
+exports.EOF = types.EOF;
+exports.Function = types.Function;
+exports.Hash = types.Hash;
+exports.Ident = types.Ident;
+exports.LeftCurlyBracket = types.LeftCurlyBracket;
+exports.LeftParenthesis = types.LeftParenthesis;
+exports.LeftSquareBracket = types.LeftSquareBracket;
+exports.Number = types.Number;
+exports.Percentage = types.Percentage;
+exports.RightCurlyBracket = types.RightCurlyBracket;
+exports.RightParenthesis = types.RightParenthesis;
+exports.RightSquareBracket = types.RightSquareBracket;
+exports.Semicolon = types.Semicolon;
+exports.String = types.String;
+exports.Url = types.Url;
+exports.WhiteSpace = types.WhiteSpace;
+exports.tokenTypes = types;
+exports.DigitCategory = charCodeDefinitions.DigitCategory;
+exports.EofCategory = charCodeDefinitions.EofCategory;
+exports.NameStartCategory = charCodeDefinitions.NameStartCategory;
+exports.NonPrintableCategory = charCodeDefinitions.NonPrintableCategory;
+exports.WhiteSpaceCategory = charCodeDefinitions.WhiteSpaceCategory;
+exports.charCodeCategory = charCodeDefinitions.charCodeCategory;
+exports.isBOM = charCodeDefinitions.isBOM;
+exports.isDigit = charCodeDefinitions.isDigit;
+exports.isHexDigit = charCodeDefinitions.isHexDigit;
+exports.isIdentifierStart = charCodeDefinitions.isIdentifierStart;
+exports.isLetter = charCodeDefinitions.isLetter;
+exports.isLowercaseLetter = charCodeDefinitions.isLowercaseLetter;
+exports.isName = charCodeDefinitions.isName;
+exports.isNameStart = charCodeDefinitions.isNameStart;
+exports.isNewline = charCodeDefinitions.isNewline;
+exports.isNonAscii = charCodeDefinitions.isNonAscii;
+exports.isNonPrintable = charCodeDefinitions.isNonPrintable;
+exports.isNumberStart = charCodeDefinitions.isNumberStart;
+exports.isUppercaseLetter = charCodeDefinitions.isUppercaseLetter;
+exports.isValidEscape = charCodeDefinitions.isValidEscape;
+exports.isWhiteSpace = charCodeDefinitions.isWhiteSpace;
+exports.cmpChar = utils.cmpChar;
+exports.cmpStr = utils.cmpStr;
+exports.consumeBadUrlRemnants = utils.consumeBadUrlRemnants;
+exports.consumeEscaped = utils.consumeEscaped;
+exports.consumeName = utils.consumeName;
+exports.consumeNumber = utils.consumeNumber;
+exports.decodeEscaped = utils.decodeEscaped;
+exports.findDecimalNumberEnd = utils.findDecimalNumberEnd;
+exports.findWhiteSpaceEnd = utils.findWhiteSpaceEnd;
+exports.findWhiteSpaceStart = utils.findWhiteSpaceStart;
+exports.getNewlineLength = utils.getNewlineLength;
+exports.tokenNames = names;
+exports.OffsetToLocation = OffsetToLocation.OffsetToLocation;
+exports.TokenStream = TokenStream.TokenStream;
+exports.tokenize = tokenize;
+
+},{"./OffsetToLocation.cjs":106,"./TokenStream.cjs":107,"./char-code-definitions.cjs":109,"./names.cjs":111,"./types.cjs":112,"./utils.cjs":113}],111:[function(require,module,exports){
+'use strict';
+
+const tokenNames = [
+    'EOF-token',
+    'ident-token',
+    'function-token',
+    'at-keyword-token',
+    'hash-token',
+    'string-token',
+    'bad-string-token',
+    'url-token',
+    'bad-url-token',
+    'delim-token',
+    'number-token',
+    'percentage-token',
+    'dimension-token',
+    'whitespace-token',
+    'CDO-token',
+    'CDC-token',
+    'colon-token',
+    'semicolon-token',
+    'comma-token',
+    '[-token',
+    ']-token',
+    '(-token',
+    ')-token',
+    '{-token',
+    '}-token'
+];
+
+module.exports = tokenNames;
+
+},{}],112:[function(require,module,exports){
+'use strict';
+
+// CSS Syntax Module Level 3
+// https://www.w3.org/TR/css-syntax-3/
+const EOF = 0;                 // <EOF-token>
+const Ident = 1;               // <ident-token>
+const Function = 2;            // <function-token>
+const AtKeyword = 3;           // <at-keyword-token>
+const Hash = 4;                // <hash-token>
+const String = 5;              // <string-token>
+const BadString = 6;           // <bad-string-token>
+const Url = 7;                 // <url-token>
+const BadUrl = 8;              // <bad-url-token>
+const Delim = 9;               // <delim-token>
+const Number = 10;             // <number-token>
+const Percentage = 11;         // <percentage-token>
+const Dimension = 12;          // <dimension-token>
+const WhiteSpace = 13;         // <whitespace-token>
+const CDO = 14;                // <CDO-token>
+const CDC = 15;                // <CDC-token>
+const Colon = 16;              // <colon-token>     :
+const Semicolon = 17;          // <semicolon-token> ;
+const Comma = 18;              // <comma-token>     ,
+const LeftSquareBracket = 19;  // <[-token>
+const RightSquareBracket = 20; // <]-token>
+const LeftParenthesis = 21;    // <(-token>
+const RightParenthesis = 22;   // <)-token>
+const LeftCurlyBracket = 23;   // <{-token>
+const RightCurlyBracket = 24;  // <}-token>
+const Comment = 25;
+
+exports.AtKeyword = AtKeyword;
+exports.BadString = BadString;
+exports.BadUrl = BadUrl;
+exports.CDC = CDC;
+exports.CDO = CDO;
+exports.Colon = Colon;
+exports.Comma = Comma;
+exports.Comment = Comment;
+exports.Delim = Delim;
+exports.Dimension = Dimension;
+exports.EOF = EOF;
+exports.Function = Function;
+exports.Hash = Hash;
+exports.Ident = Ident;
+exports.LeftCurlyBracket = LeftCurlyBracket;
+exports.LeftParenthesis = LeftParenthesis;
+exports.LeftSquareBracket = LeftSquareBracket;
+exports.Number = Number;
+exports.Percentage = Percentage;
+exports.RightCurlyBracket = RightCurlyBracket;
+exports.RightParenthesis = RightParenthesis;
+exports.RightSquareBracket = RightSquareBracket;
+exports.Semicolon = Semicolon;
+exports.String = String;
+exports.Url = Url;
+exports.WhiteSpace = WhiteSpace;
+
+},{}],113:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('./char-code-definitions.cjs');
+
+function getCharCode(source, offset) {
+    return offset < source.length ? source.charCodeAt(offset) : 0;
+}
+
+function getNewlineLength(source, offset, code) {
+    if (code === 13 /* \r */ && getCharCode(source, offset + 1) === 10 /* \n */) {
+        return 2;
+    }
+
+    return 1;
+}
+
+function cmpChar(testStr, offset, referenceCode) {
+    let code = testStr.charCodeAt(offset);
+
+    // code.toLowerCase() for A..Z
+    if (charCodeDefinitions.isUppercaseLetter(code)) {
+        code = code | 32;
+    }
+
+    return code === referenceCode;
+}
+
+function cmpStr(testStr, start, end, referenceStr) {
+    if (end - start !== referenceStr.length) {
+        return false;
+    }
+
+    if (start < 0 || end > testStr.length) {
+        return false;
+    }
+
+    for (let i = start; i < end; i++) {
+        const referenceCode = referenceStr.charCodeAt(i - start);
+        let testCode = testStr.charCodeAt(i);
+
+        // testCode.toLowerCase() for A..Z
+        if (charCodeDefinitions.isUppercaseLetter(testCode)) {
+            testCode = testCode | 32;
+        }
+
+        if (testCode !== referenceCode) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+function findWhiteSpaceStart(source, offset) {
+    for (; offset >= 0; offset--) {
+        if (!charCodeDefinitions.isWhiteSpace(source.charCodeAt(offset))) {
+            break;
+        }
+    }
+
+    return offset + 1;
+}
+
+function findWhiteSpaceEnd(source, offset) {
+    for (; offset < source.length; offset++) {
+        if (!charCodeDefinitions.isWhiteSpace(source.charCodeAt(offset))) {
+            break;
+        }
+    }
+
+    return offset;
+}
+
+function findDecimalNumberEnd(source, offset) {
+    for (; offset < source.length; offset++) {
+        if (!charCodeDefinitions.isDigit(source.charCodeAt(offset))) {
+            break;
+        }
+    }
+
+    return offset;
+}
+
+// § 4.3.7. Consume an escaped code point
+function consumeEscaped(source, offset) {
+    // It assumes that the U+005C REVERSE SOLIDUS (\) has already been consumed and
+    // that the next input code point has already been verified to be part of a valid escape.
+    offset += 2;
+
+    // hex digit
+    if (charCodeDefinitions.isHexDigit(getCharCode(source, offset - 1))) {
+        // Consume as many hex digits as possible, but no more than 5.
+        // Note that this means 1-6 hex digits have been consumed in total.
+        for (const maxOffset = Math.min(source.length, offset + 5); offset < maxOffset; offset++) {
+            if (!charCodeDefinitions.isHexDigit(getCharCode(source, offset))) {
+                break;
+            }
+        }
+
+        // If the next input code point is whitespace, consume it as well.
+        const code = getCharCode(source, offset);
+        if (charCodeDefinitions.isWhiteSpace(code)) {
+            offset += getNewlineLength(source, offset, code);
+        }
+    }
+
+    return offset;
+}
+
+// §4.3.11. Consume a name
+// Note: This algorithm does not do the verification of the first few code points that are necessary
+// to ensure the returned code points would constitute an <ident-token>. If that is the intended use,
+// ensure that the stream starts with an identifier before calling this algorithm.
+function consumeName(source, offset) {
+    // Let result initially be an empty string.
+    // Repeatedly consume the next input code point from the stream:
+    for (; offset < source.length; offset++) {
+        const code = source.charCodeAt(offset);
+
+        // name code point
+        if (charCodeDefinitions.isName(code)) {
+            // Append the code point to result.
+            continue;
+        }
+
+        // the stream starts with a valid escape
+        if (charCodeDefinitions.isValidEscape(code, getCharCode(source, offset + 1))) {
+            // Consume an escaped code point. Append the returned code point to result.
+            offset = consumeEscaped(source, offset) - 1;
+            continue;
+        }
+
+        // anything else
+        // Reconsume the current input code point. Return result.
+        break;
+    }
+
+    return offset;
+}
+
+// §4.3.12. Consume a number
+function consumeNumber(source, offset) {
+    let code = source.charCodeAt(offset);
+
+    // 2. If the next input code point is U+002B PLUS SIGN (+) or U+002D HYPHEN-MINUS (-),
+    // consume it and append it to repr.
+    if (code === 0x002B || code === 0x002D) {
+        code = source.charCodeAt(offset += 1);
+    }
+
+    // 3. While the next input code point is a digit, consume it and append it to repr.
+    if (charCodeDefinitions.isDigit(code)) {
+        offset = findDecimalNumberEnd(source, offset + 1);
+        code = source.charCodeAt(offset);
+    }
+
+    // 4. If the next 2 input code points are U+002E FULL STOP (.) followed by a digit, then:
+    if (code === 0x002E && charCodeDefinitions.isDigit(source.charCodeAt(offset + 1))) {
+        // 4.1 Consume them.
+        // 4.2 Append them to repr.
+        offset += 2;
+
+        // 4.3 Set type to "number".
+        // TODO
+
+        // 4.4 While the next input code point is a digit, consume it and append it to repr.
+
+        offset = findDecimalNumberEnd(source, offset);
+    }
+
+    // 5. If the next 2 or 3 input code points are U+0045 LATIN CAPITAL LETTER E (E)
+    // or U+0065 LATIN SMALL LETTER E (e), ... , followed by a digit, then:
+    if (cmpChar(source, offset, 101 /* e */)) {
+        let sign = 0;
+        code = source.charCodeAt(offset + 1);
+
+        // ... optionally followed by U+002D HYPHEN-MINUS (-) or U+002B PLUS SIGN (+) ...
+        if (code === 0x002D || code === 0x002B) {
+            sign = 1;
+            code = source.charCodeAt(offset + 2);
+        }
+
+        // ... followed by a digit
+        if (charCodeDefinitions.isDigit(code)) {
+            // 5.1 Consume them.
+            // 5.2 Append them to repr.
+
+            // 5.3 Set type to "number".
+            // TODO
+
+            // 5.4 While the next input code point is a digit, consume it and append it to repr.
+            offset = findDecimalNumberEnd(source, offset + 1 + sign + 1);
+        }
+    }
+
+    return offset;
+}
+
+// § 4.3.14. Consume the remnants of a bad url
+// ... its sole use is to consume enough of the input stream to reach a recovery point
+// where normal tokenizing can resume.
+function consumeBadUrlRemnants(source, offset) {
+    // Repeatedly consume the next input code point from the stream:
+    for (; offset < source.length; offset++) {
+        const code = source.charCodeAt(offset);
+
+        // U+0029 RIGHT PARENTHESIS ())
+        // EOF
+        if (code === 0x0029) {
+            // Return.
+            offset++;
+            break;
+        }
+
+        if (charCodeDefinitions.isValidEscape(code, getCharCode(source, offset + 1))) {
+            // Consume an escaped code point.
+            // Note: This allows an escaped right parenthesis ("\)") to be encountered
+            // without ending the <bad-url-token>. This is otherwise identical to
+            // the "anything else" clause.
+            offset = consumeEscaped(source, offset);
+        }
+    }
+
+    return offset;
+}
+
+// § 4.3.7. Consume an escaped code point
+// Note: This algorithm assumes that escaped is valid without leading U+005C REVERSE SOLIDUS (\)
+function decodeEscaped(escaped) {
+    // Single char escaped that's not a hex digit
+    if (escaped.length === 1 && !charCodeDefinitions.isHexDigit(escaped.charCodeAt(0))) {
+        return escaped[0];
+    }
+
+    // Interpret the hex digits as a hexadecimal number.
+    let code = parseInt(escaped, 16);
+
+    if (
+        (code === 0) ||                       // If this number is zero,
+        (code >= 0xD800 && code <= 0xDFFF) || // or is for a surrogate,
+        (code > 0x10FFFF)                     // or is greater than the maximum allowed code point
+    ) {
+        // ... return U+FFFD REPLACEMENT CHARACTER
+        code = 0xFFFD;
+    }
+
+    // Otherwise, return the code point with that value.
+    return String.fromCodePoint(code);
+}
+
+exports.cmpChar = cmpChar;
+exports.cmpStr = cmpStr;
+exports.consumeBadUrlRemnants = consumeBadUrlRemnants;
+exports.consumeEscaped = consumeEscaped;
+exports.consumeName = consumeName;
+exports.consumeNumber = consumeNumber;
+exports.decodeEscaped = decodeEscaped;
+exports.findDecimalNumberEnd = findDecimalNumberEnd;
+exports.findWhiteSpaceEnd = findWhiteSpaceEnd;
+exports.findWhiteSpaceStart = findWhiteSpaceStart;
+exports.getNewlineLength = getNewlineLength;
+
+},{"./char-code-definitions.cjs":109}],114:[function(require,module,exports){
+'use strict';
+
+//
+//                              list
+//                            ┌──────┐
+//             ┌──────────────┼─head │
+//             │              │ tail─┼──────────────┐
+//             │              └──────┘              │
+//             ▼                                    ▼
+//            item        item        item        item
+//          ┌──────┐    ┌──────┐    ┌──────┐    ┌──────┐
+//  null ◀──┼─prev │◀───┼─prev │◀───┼─prev │◀───┼─prev │
+//          │ next─┼───▶│ next─┼───▶│ next─┼───▶│ next─┼──▶ null
+//          ├──────┤    ├──────┤    ├──────┤    ├──────┤
+//          │ data │    │ data │    │ data │    │ data │
+//          └──────┘    └──────┘    └──────┘    └──────┘
+//
+
+let releasedCursors = null;
+
+class List {
+    static createItem(data) {
+        return {
+            prev: null,
+            next: null,
+            data
+        };
+    }
+
+    constructor() {
+        this.head = null;
+        this.tail = null;
+        this.cursor = null;
+    }
+    createItem(data) {
+        return List.createItem(data);
+    }
+
+    // cursor helpers
+    allocateCursor(prev, next) {
+        let cursor;
+
+        if (releasedCursors !== null) {
+            cursor = releasedCursors;
+            releasedCursors = releasedCursors.cursor;
+            cursor.prev = prev;
+            cursor.next = next;
+            cursor.cursor = this.cursor;
+        } else {
+            cursor = {
+                prev,
+                next,
+                cursor: this.cursor
+            };
+        }
+
+        this.cursor = cursor;
+
+        return cursor;
+    }
+    releaseCursor() {
+        const { cursor } = this;
+
+        this.cursor = cursor.cursor;
+        cursor.prev = null;
+        cursor.next = null;
+        cursor.cursor = releasedCursors;
+        releasedCursors = cursor;
+    }
+    updateCursors(prevOld, prevNew, nextOld, nextNew) {
+        let { cursor } = this;
+
+        while (cursor !== null) {
+            if (cursor.prev === prevOld) {
+                cursor.prev = prevNew;
+            }
+
+            if (cursor.next === nextOld) {
+                cursor.next = nextNew;
+            }
+
+            cursor = cursor.cursor;
+        }
+    }
+    *[Symbol.iterator]() {
+        for (let cursor = this.head; cursor !== null; cursor = cursor.next) {
+            yield cursor.data;
+        }
+    }
+
+    // getters
+    get size() {
+        let size = 0;
+
+        for (let cursor = this.head; cursor !== null; cursor = cursor.next) {
+            size++;
+        }
+
+        return size;
+    }
+    get isEmpty() {
+        return this.head === null;
+    }
+    get first() {
+        return this.head && this.head.data;
+    }
+    get last() {
+        return this.tail && this.tail.data;
+    }
+
+    // convertors
+    fromArray(array) {
+        let cursor = null;
+        this.head = null;
+
+        for (let data of array) {
+            const item = List.createItem(data);
+
+            if (cursor !== null) {
+                cursor.next = item;
+            } else {
+                this.head = item;
+            }
+
+            item.prev = cursor;
+            cursor = item;
+        }
+
+        this.tail = cursor;
+        return this;
+    }
+    toArray() {
+        return [...this];
+    }
+    toJSON() {
+        return [...this];
+    }
+
+    // array-like methods
+    forEach(fn, thisArg = this) {
+        // push cursor
+        const cursor = this.allocateCursor(null, this.head);
+
+        while (cursor.next !== null) {
+            const item = cursor.next;
+            cursor.next = item.next;
+            fn.call(thisArg, item.data, item, this);
+        }
+
+        // pop cursor
+        this.releaseCursor();
+    }
+    forEachRight(fn, thisArg = this) {
+        // push cursor
+        const cursor = this.allocateCursor(this.tail, null);
+
+        while (cursor.prev !== null) {
+            const item = cursor.prev;
+            cursor.prev = item.prev;
+            fn.call(thisArg, item.data, item, this);
+        }
+
+        // pop cursor
+        this.releaseCursor();
+    }
+    reduce(fn, initialValue, thisArg = this) {
+        // push cursor
+        let cursor = this.allocateCursor(null, this.head);
+        let acc = initialValue;
+        let item;
+
+        while (cursor.next !== null) {
+            item = cursor.next;
+            cursor.next = item.next;
+
+            acc = fn.call(thisArg, acc, item.data, item, this);
+        }
+
+        // pop cursor
+        this.releaseCursor();
+
+        return acc;
+    }
+    reduceRight(fn, initialValue, thisArg = this) {
+        // push cursor
+        let cursor = this.allocateCursor(this.tail, null);
+        let acc = initialValue;
+        let item;
+
+        while (cursor.prev !== null) {
+            item = cursor.prev;
+            cursor.prev = item.prev;
+
+            acc = fn.call(thisArg, acc, item.data, item, this);
+        }
+
+        // pop cursor
+        this.releaseCursor();
+
+        return acc;
+    }
+    some(fn, thisArg = this) {
+        for (let cursor = this.head; cursor !== null; cursor = cursor.next) {
+            if (fn.call(thisArg, cursor.data, cursor, this)) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+    map(fn, thisArg = this) {
+        const result = new List();
+
+        for (let cursor = this.head; cursor !== null; cursor = cursor.next) {
+            result.appendData(fn.call(thisArg, cursor.data, cursor, this));
+        }
+
+        return result;
+    }
+    filter(fn, thisArg = this) {
+        const result = new List();
+
+        for (let cursor = this.head; cursor !== null; cursor = cursor.next) {
+            if (fn.call(thisArg, cursor.data, cursor, this)) {
+                result.appendData(cursor.data);
+            }
+        }
+
+        return result;
+    }
+
+    nextUntil(start, fn, thisArg = this) {
+        if (start === null) {
+            return;
+        }
+
+        // push cursor
+        const cursor = this.allocateCursor(null, start);
+
+        while (cursor.next !== null) {
+            const item = cursor.next;
+            cursor.next = item.next;
+            if (fn.call(thisArg, item.data, item, this)) {
+                break;
+            }
+        }
+
+        // pop cursor
+        this.releaseCursor();
+    }
+    prevUntil(start, fn, thisArg = this) {
+        if (start === null) {
+            return;
+        }
+
+        // push cursor
+        const cursor = this.allocateCursor(start, null);
+
+        while (cursor.prev !== null) {
+            const item = cursor.prev;
+            cursor.prev = item.prev;
+            if (fn.call(thisArg, item.data, item, this)) {
+                break;
+            }
+        }
+
+        // pop cursor
+        this.releaseCursor();
+    }
+
+    // mutation
+    clear() {
+        this.head = null;
+        this.tail = null;
+    }
+    copy() {
+        const result = new List();
+
+        for (let data of this) {
+            result.appendData(data);
+        }
+
+        return result;
+    }
+    prepend(item) {
+        //      head
+        //    ^
+        // item
+        this.updateCursors(null, item, this.head, item);
+
+        // insert to the beginning of the list
+        if (this.head !== null) {
+            // new item <- first item
+            this.head.prev = item;
+            // new item -> first item
+            item.next = this.head;
+        } else {
+            // if list has no head, then it also has no tail
+            // in this case tail points to the new item
+            this.tail = item;
+        }
+
+        // head always points to new item
+        this.head = item;
+        return this;
+    }
+    prependData(data) {
+        return this.prepend(List.createItem(data));
+    }
+    append(item) {
+        return this.insert(item);
+    }
+    appendData(data) {
+        return this.insert(List.createItem(data));
+    }
+    insert(item, before = null) {
+        if (before !== null) {
+            // prev   before
+            //      ^
+            //     item
+            this.updateCursors(before.prev, item, before, item);
+
+            if (before.prev === null) {
+                // insert to the beginning of list
+                if (this.head !== before) {
+                    throw new Error('before doesn\'t belong to list');
+                }
+                // since head points to before therefore list doesn't empty
+                // no need to check tail
+                this.head = item;
+                before.prev = item;
+                item.next = before;
+                this.updateCursors(null, item);
+            } else {
+                // insert between two items
+                before.prev.next = item;
+                item.prev = before.prev;
+                before.prev = item;
+                item.next = before;
+            }
+        } else {
+            // tail
+            //      ^
+            //      item
+            this.updateCursors(this.tail, item, null, item);
+
+            // insert to the ending of the list
+            if (this.tail !== null) {
+                // last item -> new item
+                this.tail.next = item;
+                // last item <- new item
+                item.prev = this.tail;
+            } else {
+                // if list has no tail, then it also has no head
+                // in this case head points to new item
+                this.head = item;
+            }
+
+            // tail always points to new item
+            this.tail = item;
+        }
+
+        return this;
+    }
+    insertData(data, before) {
+        return this.insert(List.createItem(data), before);
+    }
+    remove(item) {
+        //      item
+        //       ^
+        // prev     next
+        this.updateCursors(item, item.prev, item, item.next);
+
+        if (item.prev !== null) {
+            item.prev.next = item.next;
+        } else {
+            if (this.head !== item) {
+                throw new Error('item doesn\'t belong to list');
+            }
+
+            this.head = item.next;
+        }
+
+        if (item.next !== null) {
+            item.next.prev = item.prev;
+        } else {
+            if (this.tail !== item) {
+                throw new Error('item doesn\'t belong to list');
+            }
+
+            this.tail = item.prev;
+        }
+
+        item.prev = null;
+        item.next = null;
+
+        return item;
+    }
+    push(data) {
+        this.insert(List.createItem(data));
+    }
+    pop() {
+        return this.tail !== null ? this.remove(this.tail) : null;
+    }
+    unshift(data) {
+        this.prepend(List.createItem(data));
+    }
+    shift() {
+        return this.head !== null ? this.remove(this.head) : null;
+    }
+    prependList(list) {
+        return this.insertList(list, this.head);
+    }
+    appendList(list) {
+        return this.insertList(list);
+    }
+    insertList(list, before) {
+        // ignore empty lists
+        if (list.head === null) {
+            return this;
+        }
+
+        if (before !== undefined && before !== null) {
+            this.updateCursors(before.prev, list.tail, before, list.head);
+
+            // insert in the middle of dist list
+            if (before.prev !== null) {
+                // before.prev <-> list.head
+                before.prev.next = list.head;
+                list.head.prev = before.prev;
+            } else {
+                this.head = list.head;
+            }
+
+            before.prev = list.tail;
+            list.tail.next = before;
+        } else {
+            this.updateCursors(this.tail, list.tail, null, list.head);
+
+            // insert to end of the list
+            if (this.tail !== null) {
+                // if destination list has a tail, then it also has a head,
+                // but head doesn't change
+                // dest tail -> source head
+                this.tail.next = list.head;
+                // dest tail <- source head
+                list.head.prev = this.tail;
+            } else {
+                // if list has no a tail, then it also has no a head
+                // in this case points head to new item
+                this.head = list.head;
+            }
+
+            // tail always start point to new item
+            this.tail = list.tail;
+        }
+
+        list.head = null;
+        list.tail = null;
+        return this;
+    }
+    replace(oldItem, newItemOrList) {
+        if ('head' in newItemOrList) {
+            this.insertList(newItemOrList, oldItem);
+        } else {
+            this.insert(newItemOrList, oldItem);
+        }
+
+        this.remove(oldItem);
+    }
+}
+
+exports.List = List;
+
+},{}],115:[function(require,module,exports){
+'use strict';
+
+const List = require('./List.cjs');
+
+function clone(node) {
+    const result = {};
+
+    for (const key in node) {
+        let value = node[key];
+
+        if (value) {
+            if (Array.isArray(value) || value instanceof List.List) {
+                value = value.map(clone);
+            } else if (value.constructor === Object) {
+                value = clone(value);
+            }
+        }
+
+        result[key] = value;
+    }
+
+    return result;
+}
+
+exports.clone = clone;
+
+},{"./List.cjs":114}],116:[function(require,module,exports){
+'use strict';
+
+function createCustomError(name, message) {
+    // use Object.create(), because some VMs prevent setting line/column otherwise
+    // (iOS Safari 10 even throws an exception)
+    const error = Object.create(SyntaxError.prototype);
+    const errorStack = new Error();
+
+    return Object.assign(error, {
+        name,
+        message,
+        get stack() {
+            return (errorStack.stack || '').replace(/^(.+\n){1,3}/, `${name}: ${message}\n`);
+        }
+    });
+}
+
+exports.createCustomError = createCustomError;
+
+},{}],117:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const REVERSE_SOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\)
+
+function decode(str) {
+    const end = str.length - 1;
+    let decoded = '';
+
+    for (let i = 0; i < str.length; i++) {
+        let code = str.charCodeAt(i);
+
+        if (code === REVERSE_SOLIDUS) {
+            // special case at the ending
+            if (i === end) {
+                // if the next input code point is EOF, do nothing
+                break;
+            }
+
+            code = str.charCodeAt(++i);
+
+            // consume escaped
+            if (charCodeDefinitions.isValidEscape(REVERSE_SOLIDUS, code)) {
+                const escapeStart = i - 1;
+                const escapeEnd = utils.consumeEscaped(str, escapeStart);
+
+                i = escapeEnd - 1;
+                decoded += utils.decodeEscaped(str.substring(escapeStart + 1, escapeEnd));
+            } else {
+                // \r\n
+                if (code === 0x000d && str.charCodeAt(i + 1) === 0x000a) {
+                    i++;
+                }
+            }
+        } else {
+            decoded += str[i];
+        }
+    }
+
+    return decoded;
+}
+
+// https://drafts.csswg.org/cssom/#serialize-an-identifier
+// § 2.1. Common Serializing Idioms
+function encode(str) {
+    let encoded = '';
+
+    // If the character is the first character and is a "-" (U+002D),
+    // and there is no second character, then the escaped character.
+    // Note: That's means a single dash string "-" return as escaped dash,
+    // so move the condition out of the main loop
+    if (str.length === 1 && str.charCodeAt(0) === 0x002D) {
+        return '\\-';
+    }
+
+    // To serialize an identifier means to create a string represented
+    // by the concatenation of, for each character of the identifier:
+    for (let i = 0; i < str.length; i++) {
+        const code = str.charCodeAt(i);
+
+        // If the character is NULL (U+0000), then the REPLACEMENT CHARACTER (U+FFFD).
+        if (code === 0x0000) {
+            encoded += '\uFFFD';
+            continue;
+        }
+
+        if (
+            // If the character is in the range [\1-\1f] (U+0001 to U+001F) or is U+007F ...
+            // Note: Do not compare with 0x0001 since 0x0000 is precessed before
+            code <= 0x001F || code === 0x007F ||
+            // [or] ... is in the range [0-9] (U+0030 to U+0039),
+            (code >= 0x0030 && code <= 0x0039 && (
+                // If the character is the first character ...
+                i === 0 ||
+                // If the character is the second character ... and the first character is a "-" (U+002D)
+                i === 1 && str.charCodeAt(0) === 0x002D
+            ))
+        ) {
+            // ... then the character escaped as code point.
+            encoded += '\\' + code.toString(16) + ' ';
+            continue;
+        }
+
+        // If the character is not handled by one of the above rules and is greater
+        // than or equal to U+0080, is "-" (U+002D) or "_" (U+005F), or is in one
+        // of the ranges [0-9] (U+0030 to U+0039), [A-Z] (U+0041 to U+005A),
+        // or \[a-z] (U+0061 to U+007A), then the character itself.
+        if (charCodeDefinitions.isName(code)) {
+            encoded += str.charAt(i);
+        } else {
+            // Otherwise, the escaped character.
+            encoded += '\\' + str.charAt(i);
+        }
+    }
+
+    return encoded;
+}
+
+exports.decode = decode;
+exports.encode = encode;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/utils.cjs":113}],118:[function(require,module,exports){
+'use strict';
+
+const keywords = new Map();
+const properties = new Map();
+const HYPHENMINUS = 45; // '-'.charCodeAt()
+
+const keyword = getKeywordDescriptor;
+const property = getPropertyDescriptor;
+const vendorPrefix = getVendorPrefix;
+function isCustomProperty(str, offset) {
+    offset = offset || 0;
+
+    return str.length - offset >= 2 &&
+           str.charCodeAt(offset) === HYPHENMINUS &&
+           str.charCodeAt(offset + 1) === HYPHENMINUS;
+}
+
+function getVendorPrefix(str, offset) {
+    offset = offset || 0;
+
+    // verdor prefix should be at least 3 chars length
+    if (str.length - offset >= 3) {
+        // vendor prefix starts with hyper minus following non-hyper minus
+        if (str.charCodeAt(offset) === HYPHENMINUS &&
+            str.charCodeAt(offset + 1) !== HYPHENMINUS) {
+            // vendor prefix should contain a hyper minus at the ending
+            const secondDashIndex = str.indexOf('-', offset + 2);
+
+            if (secondDashIndex !== -1) {
+                return str.substring(offset, secondDashIndex + 1);
+            }
+        }
+    }
+
+    return '';
+}
+
+function getKeywordDescriptor(keyword) {
+    if (keywords.has(keyword)) {
+        return keywords.get(keyword);
+    }
+
+    const name = keyword.toLowerCase();
+    let descriptor = keywords.get(name);
+
+    if (descriptor === undefined) {
+        const custom = isCustomProperty(name, 0);
+        const vendor = !custom ? getVendorPrefix(name, 0) : '';
+        descriptor = Object.freeze({
+            basename: name.substr(vendor.length),
+            name,
+            prefix: vendor,
+            vendor,
+            custom
+        });
+    }
+
+    keywords.set(keyword, descriptor);
+
+    return descriptor;
+}
+
+function getPropertyDescriptor(property) {
+    if (properties.has(property)) {
+        return properties.get(property);
+    }
+
+    let name = property;
+    let hack = property[0];
+
+    if (hack === '/') {
+        hack = property[1] === '/' ? '//' : '/';
+    } else if (hack !== '_' &&
+               hack !== '*' &&
+               hack !== '$' &&
+               hack !== '#' &&
+               hack !== '+' &&
+               hack !== '&') {
+        hack = '';
+    }
+
+    const custom = isCustomProperty(name, hack.length);
+
+    // re-use result when possible (the same as for lower case)
+    if (!custom) {
+        name = name.toLowerCase();
+        if (properties.has(name)) {
+            const descriptor = properties.get(name);
+            properties.set(property, descriptor);
+            return descriptor;
+        }
+    }
+
+    const vendor = !custom ? getVendorPrefix(name, hack.length) : '';
+    const prefix = name.substr(0, hack.length + vendor.length);
+    const descriptor = Object.freeze({
+        basename: name.substr(prefix.length),
+        name: name.substr(hack.length),
+        hack,
+        vendor,
+        prefix,
+        custom
+    });
+
+    properties.set(property, descriptor);
+
+    return descriptor;
+}
+
+exports.isCustomProperty = isCustomProperty;
+exports.keyword = keyword;
+exports.property = property;
+exports.vendorPrefix = vendorPrefix;
+
+},{}],119:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const REVERSE_SOLIDUS = 0x005c; // U+005C REVERSE SOLIDUS (\)
+const QUOTATION_MARK = 0x0022;  // "
+const APOSTROPHE = 0x0027;      // '
+
+function decode(str) {
+    const len = str.length;
+    const firstChar = str.charCodeAt(0);
+    const start = firstChar === QUOTATION_MARK || firstChar === APOSTROPHE ? 1 : 0;
+    const end = start === 1 && len > 1 && str.charCodeAt(len - 1) === firstChar ? len - 2 : len - 1;
+    let decoded = '';
+
+    for (let i = start; i <= end; i++) {
+        let code = str.charCodeAt(i);
+
+        if (code === REVERSE_SOLIDUS) {
+            // special case at the ending
+            if (i === end) {
+                // if the next input code point is EOF, do nothing
+                // otherwise include last quote as escaped
+                if (i !== len - 1) {
+                    decoded = str.substr(i + 1);
+                }
+                break;
+            }
+
+            code = str.charCodeAt(++i);
+
+            // consume escaped
+            if (charCodeDefinitions.isValidEscape(REVERSE_SOLIDUS, code)) {
+                const escapeStart = i - 1;
+                const escapeEnd = utils.consumeEscaped(str, escapeStart);
+
+                i = escapeEnd - 1;
+                decoded += utils.decodeEscaped(str.substring(escapeStart + 1, escapeEnd));
+            } else {
+                // \r\n
+                if (code === 0x000d && str.charCodeAt(i + 1) === 0x000a) {
+                    i++;
+                }
+            }
+        } else {
+            decoded += str[i];
+        }
+    }
+
+    return decoded;
+}
+
+// https://drafts.csswg.org/cssom/#serialize-a-string
+// § 2.1. Common Serializing Idioms
+function encode(str, apostrophe) {
+    const quote = apostrophe ? '\'' : '"';
+    const quoteCode = apostrophe ? APOSTROPHE : QUOTATION_MARK;
+    let encoded = '';
+    let wsBeforeHexIsNeeded = false;
+
+    for (let i = 0; i < str.length; i++) {
+        const code = str.charCodeAt(i);
+
+        // If the character is NULL (U+0000), then the REPLACEMENT CHARACTER (U+FFFD).
+        if (code === 0x0000) {
+            encoded += '\uFFFD';
+            continue;
+        }
+
+        // If the character is in the range [\1-\1f] (U+0001 to U+001F) or is U+007F,
+        // the character escaped as code point.
+        // Note: Do not compare with 0x0001 since 0x0000 is precessed before
+        if (code <= 0x001f || code === 0x007F) {
+            encoded += '\\' + code.toString(16);
+            wsBeforeHexIsNeeded = true;
+            continue;
+        }
+
+        // If the character is '"' (U+0022) or "\" (U+005C), the escaped character.
+        if (code === quoteCode || code === REVERSE_SOLIDUS) {
+            encoded += '\\' + str.charAt(i);
+            wsBeforeHexIsNeeded = false;
+        } else {
+            if (wsBeforeHexIsNeeded && (charCodeDefinitions.isHexDigit(code) || charCodeDefinitions.isWhiteSpace(code))) {
+                encoded += ' ';
+            }
+
+            // Otherwise, the character itself.
+            encoded += str.charAt(i);
+            wsBeforeHexIsNeeded = false;
+        }
+    }
+
+    return quote + encoded + quote;
+}
+
+exports.decode = decode;
+exports.encode = encode;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/utils.cjs":113}],120:[function(require,module,exports){
+'use strict';
+
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const SPACE = 0x0020;            // U+0020 SPACE
+const REVERSE_SOLIDUS = 0x005c;  // U+005C REVERSE SOLIDUS (\)
+const QUOTATION_MARK = 0x0022;   // "
+const APOSTROPHE = 0x0027;       // '
+const LEFTPARENTHESIS = 0x0028;  // U+0028 LEFT PARENTHESIS (()
+const RIGHTPARENTHESIS = 0x0029; // U+0029 RIGHT PARENTHESIS ())
+
+function decode(str) {
+    const len = str.length;
+    let start = 4; // length of "url("
+    let end = str.charCodeAt(len - 1) === RIGHTPARENTHESIS ? len - 2 : len - 1;
+    let decoded = '';
+
+    while (start < end && charCodeDefinitions.isWhiteSpace(str.charCodeAt(start))) {
+        start++;
+    }
+
+    while (start < end && charCodeDefinitions.isWhiteSpace(str.charCodeAt(end))) {
+        end--;
+    }
+
+    for (let i = start; i <= end; i++) {
+        let code = str.charCodeAt(i);
+
+        if (code === REVERSE_SOLIDUS) {
+            // special case at the ending
+            if (i === end) {
+                // if the next input code point is EOF, do nothing
+                // otherwise include last left parenthesis as escaped
+                if (i !== len - 1) {
+                    decoded = str.substr(i + 1);
+                }
+                break;
+            }
+
+            code = str.charCodeAt(++i);
+
+            // consume escaped
+            if (charCodeDefinitions.isValidEscape(REVERSE_SOLIDUS, code)) {
+                const escapeStart = i - 1;
+                const escapeEnd = utils.consumeEscaped(str, escapeStart);
+
+                i = escapeEnd - 1;
+                decoded += utils.decodeEscaped(str.substring(escapeStart + 1, escapeEnd));
+            } else {
+                // \r\n
+                if (code === 0x000d && str.charCodeAt(i + 1) === 0x000a) {
+                    i++;
+                }
+            }
+        } else {
+            decoded += str[i];
+        }
+    }
+
+    return decoded;
+}
+
+function encode(str) {
+    let encoded = '';
+    let wsBeforeHexIsNeeded = false;
+
+    for (let i = 0; i < str.length; i++) {
+        const code = str.charCodeAt(i);
+
+        // If the character is NULL (U+0000), then the REPLACEMENT CHARACTER (U+FFFD).
+        if (code === 0x0000) {
+            encoded += '\uFFFD';
+            continue;
+        }
+
+        // If the character is in the range [\1-\1f] (U+0001 to U+001F) or is U+007F,
+        // the character escaped as code point.
+        // Note: Do not compare with 0x0001 since 0x0000 is precessed before
+        if (code <= 0x001f || code === 0x007F) {
+            encoded += '\\' + code.toString(16);
+            wsBeforeHexIsNeeded = true;
+            continue;
+        }
+
+        if (code === SPACE ||
+            code === REVERSE_SOLIDUS ||
+            code === QUOTATION_MARK ||
+            code === APOSTROPHE ||
+            code === LEFTPARENTHESIS ||
+            code === RIGHTPARENTHESIS) {
+            encoded += '\\' + str.charAt(i);
+            wsBeforeHexIsNeeded = false;
+        } else {
+            if (wsBeforeHexIsNeeded && charCodeDefinitions.isHexDigit(code)) {
+                encoded += ' ';
+            }
+
+            encoded += str.charAt(i);
+            wsBeforeHexIsNeeded = false;
+        }
+    }
+
+    return 'url(' + encoded + ')';
+}
+
+exports.decode = decode;
+exports.encode = encode;
+
+},{"../tokenizer/char-code-definitions.cjs":109,"../tokenizer/utils.cjs":113}],121:[function(require,module,exports){
+'use strict';
+
+const { hasOwnProperty } = Object.prototype;
+const noop = function() {};
+
+function ensureFunction(value) {
+    return typeof value === 'function' ? value : noop;
+}
+
+function invokeForType(fn, type) {
+    return function(node, item, list) {
+        if (node.type === type) {
+            fn.call(this, node, item, list);
+        }
+    };
+}
+
+function getWalkersFromStructure(name, nodeType) {
+    const structure = nodeType.structure;
+    const walkers = [];
+
+    for (const key in structure) {
+        if (hasOwnProperty.call(structure, key) === false) {
+            continue;
+        }
+
+        let fieldTypes = structure[key];
+        const walker = {
+            name: key,
+            type: false,
+            nullable: false
+        };
+
+        if (!Array.isArray(fieldTypes)) {
+            fieldTypes = [fieldTypes];
+        }
+
+        for (const fieldType of fieldTypes) {
+            if (fieldType === null) {
+                walker.nullable = true;
+            } else if (typeof fieldType === 'string') {
+                walker.type = 'node';
+            } else if (Array.isArray(fieldType)) {
+                walker.type = 'list';
+            }
+        }
+
+        if (walker.type) {
+            walkers.push(walker);
+        }
+    }
+
+    if (walkers.length) {
+        return {
+            context: nodeType.walkContext,
+            fields: walkers
+        };
+    }
+
+    return null;
+}
+
+function getTypesFromConfig(config) {
+    const types = {};
+
+    for (const name in config.node) {
+        if (hasOwnProperty.call(config.node, name)) {
+            const nodeType = config.node[name];
+
+            if (!nodeType.structure) {
+                throw new Error('Missed `structure` field in `' + name + '` node type definition');
+            }
+
+            types[name] = getWalkersFromStructure(name, nodeType);
+        }
+    }
+
+    return types;
+}
+
+function createTypeIterator(config, reverse) {
+    const fields = config.fields.slice();
+    const contextName = config.context;
+    const useContext = typeof contextName === 'string';
+
+    if (reverse) {
+        fields.reverse();
+    }
+
+    return function(node, context, walk, walkReducer) {
+        let prevContextValue;
+
+        if (useContext) {
+            prevContextValue = context[contextName];
+            context[contextName] = node;
+        }
+
+        for (const field of fields) {
+            const ref = node[field.name];
+
+            if (!field.nullable || ref) {
+                if (field.type === 'list') {
+                    const breakWalk = reverse
+                        ? ref.reduceRight(walkReducer, false)
+                        : ref.reduce(walkReducer, false);
+
+                    if (breakWalk) {
+                        return true;
+                    }
+                } else if (walk(ref)) {
+                    return true;
+                }
+            }
+        }
+
+        if (useContext) {
+            context[contextName] = prevContextValue;
+        }
+    };
+}
+
+function createFastTraveralMap({
+    StyleSheet,
+    Atrule,
+    Rule,
+    Block,
+    DeclarationList
+}) {
+    return {
+        Atrule: {
+            StyleSheet,
+            Atrule,
+            Rule,
+            Block
+        },
+        Rule: {
+            StyleSheet,
+            Atrule,
+            Rule,
+            Block
+        },
+        Declaration: {
+            StyleSheet,
+            Atrule,
+            Rule,
+            Block,
+            DeclarationList
+        }
+    };
+}
+
+function createWalker(config) {
+    const types = getTypesFromConfig(config);
+    const iteratorsNatural = {};
+    const iteratorsReverse = {};
+    const breakWalk = Symbol('break-walk');
+    const skipNode = Symbol('skip-node');
+
+    for (const name in types) {
+        if (hasOwnProperty.call(types, name) && types[name] !== null) {
+            iteratorsNatural[name] = createTypeIterator(types[name], false);
+            iteratorsReverse[name] = createTypeIterator(types[name], true);
+        }
+    }
+
+    const fastTraversalIteratorsNatural = createFastTraveralMap(iteratorsNatural);
+    const fastTraversalIteratorsReverse = createFastTraveralMap(iteratorsReverse);
+
+    const walk = function(root, options) {
+        function walkNode(node, item, list) {
+            const enterRet = enter.call(context, node, item, list);
+
+            if (enterRet === breakWalk) {
+                return true;
+            }
+
+            if (enterRet === skipNode) {
+                return false;
+            }
+
+            if (iterators.hasOwnProperty(node.type)) {
+                if (iterators[node.type](node, context, walkNode, walkReducer)) {
+                    return true;
+                }
+            }
+
+            if (leave.call(context, node, item, list) === breakWalk) {
+                return true;
+            }
+
+            return false;
+        }
+
+        let enter = noop;
+        let leave = noop;
+        let iterators = iteratorsNatural;
+        let walkReducer = (ret, data, item, list) => ret || walkNode(data, item, list);
+        const context = {
+            break: breakWalk,
+            skip: skipNode,
+
+            root,
+            stylesheet: null,
+            atrule: null,
+            atrulePrelude: null,
+            rule: null,
+            selector: null,
+            block: null,
+            declaration: null,
+            function: null
+        };
+
+        if (typeof options === 'function') {
+            enter = options;
+        } else if (options) {
+            enter = ensureFunction(options.enter);
+            leave = ensureFunction(options.leave);
+
+            if (options.reverse) {
+                iterators = iteratorsReverse;
+            }
+
+            if (options.visit) {
+                if (fastTraversalIteratorsNatural.hasOwnProperty(options.visit)) {
+                    iterators = options.reverse
+                        ? fastTraversalIteratorsReverse[options.visit]
+                        : fastTraversalIteratorsNatural[options.visit];
+                } else if (!types.hasOwnProperty(options.visit)) {
+                    throw new Error('Bad value `' + options.visit + '` for `visit` option (should be: ' + Object.keys(types).sort().join(', ') + ')');
+                }
+
+                enter = invokeForType(enter, options.visit);
+                leave = invokeForType(leave, options.visit);
+            }
+        }
+
+        if (enter === noop && leave === noop) {
+            throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
+        }
+
+        walkNode(root);
+    };
+
+    walk.break = breakWalk;
+    walk.skip = skipNode;
+
+    walk.find = function(ast, fn) {
+        let found = null;
+
+        walk(ast, function(node, item, list) {
+            if (fn.call(this, node, item, list)) {
+                found = node;
+                return breakWalk;
+            }
+        });
+
+        return found;
+    };
+
+    walk.findLast = function(ast, fn) {
+        let found = null;
+
+        walk(ast, {
+            reverse: true,
+            enter(node, item, list) {
+                if (fn.call(this, node, item, list)) {
+                    found = node;
+                    return breakWalk;
+                }
+            }
+        });
+
+        return found;
+    };
+
+    walk.findAll = function(ast, fn) {
+        const found = [];
+
+        walk(ast, function(node, item, list) {
+            if (fn.call(this, node, item, list)) {
+                found.push(node);
+            }
+        });
+
+        return found;
+    };
+
+    return walk;
+}
+
+exports.createWalker = createWalker;
+
+},{}],122:[function(require,module,exports){
+module.exports = {
+    "generic": true,
+    "units": {
+        "angle": [
+            "deg",
+            "grad",
+            "rad",
+            "turn"
+        ],
+        "decibel": [
+            "db"
+        ],
+        "flex": [
+            "fr"
+        ],
+        "frequency": [
+            "hz",
+            "khz"
+        ],
+        "length": [
+            "cm",
+            "mm",
+            "q",
+            "in",
+            "pt",
+            "pc",
+            "px",
+            "em",
+            "rem",
+            "ex",
+            "rex",
+            "cap",
+            "rcap",
+            "ch",
+            "rch",
+            "ic",
+            "ric",
+            "lh",
+            "rlh",
+            "vw",
+            "svw",
+            "lvw",
+            "dvw",
+            "vh",
+            "svh",
+            "lvh",
+            "dvh",
+            "vi",
+            "svi",
+            "lvi",
+            "dvi",
+            "vb",
+            "svb",
+            "lvb",
+            "dvb",
+            "vmin",
+            "svmin",
+            "lvmin",
+            "dvmin",
+            "vmax",
+            "svmax",
+            "lvmax",
+            "dvmax",
+            "cqw",
+            "cqh",
+            "cqi",
+            "cqb",
+            "cqmin",
+            "cqmax"
+        ],
+        "resolution": [
+            "dpi",
+            "dpcm",
+            "dppx",
+            "x"
+        ],
+        "semitones": [
+            "st"
+        ],
+        "time": [
+            "s",
+            "ms"
+        ]
+    },
+    "types": {
+        "abs()": "abs( <calc-sum> )",
+        "absolute-size": "xx-small|x-small|small|medium|large|x-large|xx-large|xxx-large",
+        "acos()": "acos( <calc-sum> )",
+        "alpha-value": "<number>|<percentage>",
+        "angle-percentage": "<angle>|<percentage>",
+        "angular-color-hint": "<angle-percentage>",
+        "angular-color-stop": "<color>&&<color-stop-angle>?",
+        "angular-color-stop-list": "[<angular-color-stop> [, <angular-color-hint>]?]# , <angular-color-stop>",
+        "animateable-feature": "scroll-position|contents|<custom-ident>",
+        "asin()": "asin( <calc-sum> )",
+        "atan()": "atan( <calc-sum> )",
+        "atan2()": "atan2( <calc-sum> , <calc-sum> )",
+        "attachment": "scroll|fixed|local",
+        "attr()": "attr( <attr-name> <type-or-unit>? [, <attr-fallback>]? )",
+        "attr-matcher": "['~'|'|'|'^'|'$'|'*']? '='",
+        "attr-modifier": "i|s",
+        "attribute-selector": "'[' <wq-name> ']'|'[' <wq-name> <attr-matcher> [<string-token>|<ident-token>] <attr-modifier>? ']'",
+        "auto-repeat": "repeat( [auto-fill|auto-fit] , [<line-names>? <fixed-size>]+ <line-names>? )",
+        "auto-track-list": "[<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>? <auto-repeat> [<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>?",
+        "axis": "block|inline|vertical|horizontal",
+        "baseline-position": "[first|last]? baseline",
+        "basic-shape": "<inset()>|<circle()>|<ellipse()>|<polygon()>|<path()>",
+        "bg-image": "none|<image>",
+        "bg-layer": "<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>",
+        "bg-position": "[[left|center|right|top|bottom|<length-percentage>]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]|[center|[left|right] <length-percentage>?]&&[center|[top|bottom] <length-percentage>?]]",
+        "bg-size": "[<length-percentage>|auto]{1,2}|cover|contain",
+        "blur()": "blur( <length> )",
+        "blend-mode": "normal|multiply|screen|overlay|darken|lighten|color-dodge|color-burn|hard-light|soft-light|difference|exclusion|hue|saturation|color|luminosity",
+        "box": "border-box|padding-box|content-box",
+        "brightness()": "brightness( <number-percentage> )",
+        "calc()": "calc( <calc-sum> )",
+        "calc-sum": "<calc-product> [['+'|'-'] <calc-product>]*",
+        "calc-product": "<calc-value> ['*' <calc-value>|'/' <number>]*",
+        "calc-value": "<number>|<dimension>|<percentage>|<calc-constant>|( <calc-sum> )",
+        "calc-constant": "e|pi|infinity|-infinity|NaN",
+        "cf-final-image": "<image>|<color>",
+        "cf-mixing-image": "<percentage>?&&<image>",
+        "circle()": "circle( [<shape-radius>]? [at <position>]? )",
+        "clamp()": "clamp( <calc-sum>#{3} )",
+        "class-selector": "'.' <ident-token>",
+        "clip-source": "<url>",
+        "color": "<rgb()>|<rgba()>|<hsl()>|<hsla()>|<hwb()>|<lab()>|<lch()>|<hex-color>|<named-color>|currentcolor|<deprecated-system-color>",
+        "color-stop": "<color-stop-length>|<color-stop-angle>",
+        "color-stop-angle": "<angle-percentage>{1,2}",
+        "color-stop-length": "<length-percentage>{1,2}",
+        "color-stop-list": "[<linear-color-stop> [, <linear-color-hint>]?]# , <linear-color-stop>",
+        "combinator": "'>'|'+'|'~'|['||']",
+        "common-lig-values": "[common-ligatures|no-common-ligatures]",
+        "compat-auto": "searchfield|textarea|push-button|slider-horizontal|checkbox|radio|square-button|menulist|listbox|meter|progress-bar|button",
+        "composite-style": "clear|copy|source-over|source-in|source-out|source-atop|destination-over|destination-in|destination-out|destination-atop|xor",
+        "compositing-operator": "add|subtract|intersect|exclude",
+        "compound-selector": "[<type-selector>? <subclass-selector>* [<pseudo-element-selector> <pseudo-class-selector>*]*]!",
+        "compound-selector-list": "<compound-selector>#",
+        "complex-selector": "<compound-selector> [<combinator>? <compound-selector>]*",
+        "complex-selector-list": "<complex-selector>#",
+        "conic-gradient()": "conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )",
+        "contextual-alt-values": "[contextual|no-contextual]",
+        "content-distribution": "space-between|space-around|space-evenly|stretch",
+        "content-list": "[<string>|contents|<image>|<counter>|<quote>|<target>|<leader()>|<attr()>]+",
+        "content-position": "center|start|end|flex-start|flex-end",
+        "content-replacement": "<image>",
+        "contrast()": "contrast( [<number-percentage>] )",
+        "cos()": "cos( <calc-sum> )",
+        "counter": "<counter()>|<counters()>",
+        "counter()": "counter( <counter-name> , <counter-style>? )",
+        "counter-name": "<custom-ident>",
+        "counter-style": "<counter-style-name>|symbols( )",
+        "counter-style-name": "<custom-ident>",
+        "counters()": "counters( <counter-name> , <string> , <counter-style>? )",
+        "cross-fade()": "cross-fade( <cf-mixing-image> , <cf-final-image>? )",
+        "cubic-bezier-timing-function": "ease|ease-in|ease-out|ease-in-out|cubic-bezier( <number [0,1]> , <number> , <number [0,1]> , <number> )",
+        "deprecated-system-color": "ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText",
+        "discretionary-lig-values": "[discretionary-ligatures|no-discretionary-ligatures]",
+        "display-box": "contents|none",
+        "display-inside": "flow|flow-root|table|flex|grid|ruby",
+        "display-internal": "table-row-group|table-header-group|table-footer-group|table-row|table-cell|table-column-group|table-column|table-caption|ruby-base|ruby-text|ruby-base-container|ruby-text-container",
+        "display-legacy": "inline-block|inline-list-item|inline-table|inline-flex|inline-grid",
+        "display-listitem": "<display-outside>?&&[flow|flow-root]?&&list-item",
+        "display-outside": "block|inline|run-in",
+        "drop-shadow()": "drop-shadow( <length>{2,3} <color>? )",
+        "east-asian-variant-values": "[jis78|jis83|jis90|jis04|simplified|traditional]",
+        "east-asian-width-values": "[full-width|proportional-width]",
+        "element()": "element( <custom-ident> , [first|start|last|first-except]? )|element( <id-selector> )",
+        "ellipse()": "ellipse( [<shape-radius>{2}]? [at <position>]? )",
+        "ending-shape": "circle|ellipse",
+        "env()": "env( <custom-ident> , <declaration-value>? )",
+        "exp()": "exp( <calc-sum> )",
+        "explicit-track-list": "[<line-names>? <track-size>]+ <line-names>?",
+        "family-name": "<string>|<custom-ident>+",
+        "feature-tag-value": "<string> [<integer>|on|off]?",
+        "feature-type": "@stylistic|@historical-forms|@styleset|@character-variant|@swash|@ornaments|@annotation",
+        "feature-value-block": "<feature-type> '{' <feature-value-declaration-list> '}'",
+        "feature-value-block-list": "<feature-value-block>+",
+        "feature-value-declaration": "<custom-ident> : <integer>+ ;",
+        "feature-value-declaration-list": "<feature-value-declaration>",
+        "feature-value-name": "<custom-ident>",
+        "fill-rule": "nonzero|evenodd",
+        "filter-function": "<blur()>|<brightness()>|<contrast()>|<drop-shadow()>|<grayscale()>|<hue-rotate()>|<invert()>|<opacity()>|<saturate()>|<sepia()>",
+        "filter-function-list": "[<filter-function>|<url>]+",
+        "final-bg-layer": "<'background-color'>||<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>",
+        "fixed-breadth": "<length-percentage>",
+        "fixed-repeat": "repeat( [<integer [1,∞]>] , [<line-names>? <fixed-size>]+ <line-names>? )",
+        "fixed-size": "<fixed-breadth>|minmax( <fixed-breadth> , <track-breadth> )|minmax( <inflexible-breadth> , <fixed-breadth> )",
+        "font-stretch-absolute": "normal|ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded|<percentage>",
+        "font-variant-css21": "[normal|small-caps]",
+        "font-weight-absolute": "normal|bold|<number [1,1000]>",
+        "frequency-percentage": "<frequency>|<percentage>",
+        "general-enclosed": "[<function-token> <any-value> )]|( <ident> <any-value> )",
+        "generic-family": "serif|sans-serif|cursive|fantasy|monospace|-apple-system",
+        "generic-name": "serif|sans-serif|cursive|fantasy|monospace",
+        "geometry-box": "<shape-box>|fill-box|stroke-box|view-box",
+        "gradient": "<linear-gradient()>|<repeating-linear-gradient()>|<radial-gradient()>|<repeating-radial-gradient()>|<conic-gradient()>|<repeating-conic-gradient()>|<-legacy-gradient>",
+        "grayscale()": "grayscale( <number-percentage> )",
+        "grid-line": "auto|<custom-ident>|[<integer>&&<custom-ident>?]|[span&&[<integer>||<custom-ident>]]",
+        "historical-lig-values": "[historical-ligatures|no-historical-ligatures]",
+        "hsl()": "hsl( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )",
+        "hsla()": "hsla( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )",
+        "hue": "<number>|<angle>",
+        "hue-rotate()": "hue-rotate( <angle> )",
+        "hwb()": "hwb( [<hue>|none] [<percentage>|none] [<percentage>|none] [/ [<alpha-value>|none]]? )",
+        "hypot()": "hypot( <calc-sum># )",
+        "image": "<url>|<image()>|<image-set()>|<element()>|<paint()>|<cross-fade()>|<gradient>",
+        "image()": "image( <image-tags>? [<image-src>? , <color>?]! )",
+        "image-set()": "image-set( <image-set-option># )",
+        "image-set-option": "[<image>|<string>] [<resolution>||type( <string> )]",
+        "image-src": "<url>|<string>",
+        "image-tags": "ltr|rtl",
+        "inflexible-breadth": "<length-percentage>|min-content|max-content|auto",
+        "inset()": "inset( <length-percentage>{1,4} [round <'border-radius'>]? )",
+        "invert()": "invert( <number-percentage> )",
+        "keyframes-name": "<custom-ident>|<string>",
+        "keyframe-block": "<keyframe-selector># { <declaration-list> }",
+        "keyframe-block-list": "<keyframe-block>+",
+        "keyframe-selector": "from|to|<percentage>",
+        "lab()": "lab( [<percentage>|<number>|none] [<percentage>|<number>|none] [<percentage>|<number>|none] [/ [<alpha-value>|none]]? )",
+        "layer()": "layer( <layer-name> )",
+        "layer-name": "<ident> ['.' <ident>]*",
+        "lch()": "lch( [<percentage>|<number>|none] [<percentage>|<number>|none] [<hue>|none] [/ [<alpha-value>|none]]? )",
+        "leader()": "leader( <leader-type> )",
+        "leader-type": "dotted|solid|space|<string>",
+        "length-percentage": "<length>|<percentage>",
+        "line-names": "'[' <custom-ident>* ']'",
+        "line-name-list": "[<line-names>|<name-repeat>]+",
+        "line-style": "none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset",
+        "line-width": "<length>|thin|medium|thick",
+        "linear-color-hint": "<length-percentage>",
+        "linear-color-stop": "<color> <color-stop-length>?",
+        "linear-gradient()": "linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )",
+        "log()": "log( <calc-sum> , <calc-sum>? )",
+        "mask-layer": "<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||<geometry-box>||[<geometry-box>|no-clip]||<compositing-operator>||<masking-mode>",
+        "mask-position": "[<length-percentage>|left|center|right] [<length-percentage>|top|center|bottom]?",
+        "mask-reference": "none|<image>|<mask-source>",
+        "mask-source": "<url>",
+        "masking-mode": "alpha|luminance|match-source",
+        "matrix()": "matrix( <number>#{6} )",
+        "matrix3d()": "matrix3d( <number>#{16} )",
+        "max()": "max( <calc-sum># )",
+        "media-and": "<media-in-parens> [and <media-in-parens>]+",
+        "media-condition": "<media-not>|<media-and>|<media-or>|<media-in-parens>",
+        "media-condition-without-or": "<media-not>|<media-and>|<media-in-parens>",
+        "media-feature": "( [<mf-plain>|<mf-boolean>|<mf-range>] )",
+        "media-in-parens": "( <media-condition> )|<media-feature>|<general-enclosed>",
+        "media-not": "not <media-in-parens>",
+        "media-or": "<media-in-parens> [or <media-in-parens>]+",
+        "media-query": "<media-condition>|[not|only]? <media-type> [and <media-condition-without-or>]?",
+        "media-query-list": "<media-query>#",
+        "media-type": "<ident>",
+        "mf-boolean": "<mf-name>",
+        "mf-name": "<ident>",
+        "mf-plain": "<mf-name> : <mf-value>",
+        "mf-range": "<mf-name> ['<'|'>']? '='? <mf-value>|<mf-value> ['<'|'>']? '='? <mf-name>|<mf-value> '<' '='? <mf-name> '<' '='? <mf-value>|<mf-value> '>' '='? <mf-name> '>' '='? <mf-value>",
+        "mf-value": "<number>|<dimension>|<ident>|<ratio>",
+        "min()": "min( <calc-sum># )",
+        "minmax()": "minmax( [<length-percentage>|min-content|max-content|auto] , [<length-percentage>|<flex>|min-content|max-content|auto] )",
+        "mod()": "mod( <calc-sum> , <calc-sum> )",
+        "name-repeat": "repeat( [<integer [1,∞]>|auto-fill] , <line-names>+ )",
+        "named-color": "transparent|aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkgrey|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkslategrey|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dimgrey|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|grey|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgray|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightslategrey|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|rebeccapurple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|slategrey|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|violet|wheat|white|whitesmoke|yellow|yellowgreen|<-non-standard-color>",
+        "namespace-prefix": "<ident>",
+        "ns-prefix": "[<ident-token>|'*']? '|'",
+        "number-percentage": "<number>|<percentage>",
+        "numeric-figure-values": "[lining-nums|oldstyle-nums]",
+        "numeric-fraction-values": "[diagonal-fractions|stacked-fractions]",
+        "numeric-spacing-values": "[proportional-nums|tabular-nums]",
+        "nth": "<an-plus-b>|even|odd",
+        "opacity()": "opacity( [<number-percentage>] )",
+        "overflow-position": "unsafe|safe",
+        "outline-radius": "<length>|<percentage>",
+        "page-body": "<declaration>? [; <page-body>]?|<page-margin-box> <page-body>",
+        "page-margin-box": "<page-margin-box-type> '{' <declaration-list> '}'",
+        "page-margin-box-type": "@top-left-corner|@top-left|@top-center|@top-right|@top-right-corner|@bottom-left-corner|@bottom-left|@bottom-center|@bottom-right|@bottom-right-corner|@left-top|@left-middle|@left-bottom|@right-top|@right-middle|@right-bottom",
+        "page-selector-list": "[<page-selector>#]?",
+        "page-selector": "<pseudo-page>+|<ident> <pseudo-page>*",
+        "page-size": "A5|A4|A3|B5|B4|JIS-B5|JIS-B4|letter|legal|ledger",
+        "path()": "path( [<fill-rule> ,]? <string> )",
+        "paint()": "paint( <ident> , <declaration-value>? )",
+        "perspective()": "perspective( [<length [0,∞]>|none] )",
+        "polygon()": "polygon( <fill-rule>? , [<length-percentage> <length-percentage>]# )",
+        "position": "[[left|center|right]||[top|center|bottom]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]?|[[left|right] <length-percentage>]&&[[top|bottom] <length-percentage>]]",
+        "pow()": "pow( <calc-sum> , <calc-sum> )",
+        "pseudo-class-selector": "':' <ident-token>|':' <function-token> <any-value> ')'",
+        "pseudo-element-selector": "':' <pseudo-class-selector>",
+        "pseudo-page": ": [left|right|first|blank]",
+        "quote": "open-quote|close-quote|no-open-quote|no-close-quote",
+        "radial-gradient()": "radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )",
+        "ratio": "<number [0,∞]> [/ <number [0,∞]>]?",
+        "relative-selector": "<combinator>? <complex-selector>",
+        "relative-selector-list": "<relative-selector>#",
+        "relative-size": "larger|smaller",
+        "rem()": "rem( <calc-sum> , <calc-sum> )",
+        "repeat-style": "repeat-x|repeat-y|[repeat|space|round|no-repeat]{1,2}",
+        "repeating-conic-gradient()": "repeating-conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )",
+        "repeating-linear-gradient()": "repeating-linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )",
+        "repeating-radial-gradient()": "repeating-radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )",
+        "reversed-counter-name": "reversed( <counter-name> )",
+        "rgb()": "rgb( <percentage>{3} [/ <alpha-value>]? )|rgb( <number>{3} [/ <alpha-value>]? )|rgb( <percentage>#{3} , <alpha-value>? )|rgb( <number>#{3} , <alpha-value>? )",
+        "rgba()": "rgba( <percentage>{3} [/ <alpha-value>]? )|rgba( <number>{3} [/ <alpha-value>]? )|rgba( <percentage>#{3} , <alpha-value>? )|rgba( <number>#{3} , <alpha-value>? )",
+        "rotate()": "rotate( [<angle>|<zero>] )",
+        "rotate3d()": "rotate3d( <number> , <number> , <number> , [<angle>|<zero>] )",
+        "rotateX()": "rotateX( [<angle>|<zero>] )",
+        "rotateY()": "rotateY( [<angle>|<zero>] )",
+        "rotateZ()": "rotateZ( [<angle>|<zero>] )",
+        "round()": "round( <rounding-strategy>? , <calc-sum> , <calc-sum> )",
+        "rounding-strategy": "nearest|up|down|to-zero",
+        "saturate()": "saturate( <number-percentage> )",
+        "scale()": "scale( [<number>|<percentage>]#{1,2} )",
+        "scale3d()": "scale3d( [<number>|<percentage>]#{3} )",
+        "scaleX()": "scaleX( [<number>|<percentage>] )",
+        "scaleY()": "scaleY( [<number>|<percentage>] )",
+        "scaleZ()": "scaleZ( [<number>|<percentage>] )",
+        "scroller": "root|nearest",
+        "self-position": "center|start|end|self-start|self-end|flex-start|flex-end",
+        "shape-radius": "<length-percentage>|closest-side|farthest-side",
+        "sign()": "sign( <calc-sum> )",
+        "skew()": "skew( [<angle>|<zero>] , [<angle>|<zero>]? )",
+        "skewX()": "skewX( [<angle>|<zero>] )",
+        "skewY()": "skewY( [<angle>|<zero>] )",
+        "sepia()": "sepia( <number-percentage> )",
+        "shadow": "inset?&&<length>{2,4}&&<color>?",
+        "shadow-t": "[<length>{2,3}&&<color>?]",
+        "shape": "rect( <top> , <right> , <bottom> , <left> )|rect( <top> <right> <bottom> <left> )",
+        "shape-box": "<box>|margin-box",
+        "side-or-corner": "[left|right]||[top|bottom]",
+        "sin()": "sin( <calc-sum> )",
+        "single-animation": "<time>||<easing-function>||<time>||<single-animation-iteration-count>||<single-animation-direction>||<single-animation-fill-mode>||<single-animation-play-state>||[none|<keyframes-name>]",
+        "single-animation-direction": "normal|reverse|alternate|alternate-reverse",
+        "single-animation-fill-mode": "none|forwards|backwards|both",
+        "single-animation-iteration-count": "infinite|<number>",
+        "single-animation-play-state": "running|paused",
+        "single-animation-timeline": "auto|none|<timeline-name>|scroll( <axis>? <scroller>? )",
+        "single-transition": "[none|<single-transition-property>]||<time>||<easing-function>||<time>",
+        "single-transition-property": "all|<custom-ident>",
+        "size": "closest-side|farthest-side|closest-corner|farthest-corner|<length>|<length-percentage>{2}",
+        "sqrt()": "sqrt( <calc-sum> )",
+        "step-position": "jump-start|jump-end|jump-none|jump-both|start|end",
+        "step-timing-function": "step-start|step-end|steps( <integer> [, <step-position>]? )",
+        "subclass-selector": "<id-selector>|<class-selector>|<attribute-selector>|<pseudo-class-selector>",
+        "supports-condition": "not <supports-in-parens>|<supports-in-parens> [and <supports-in-parens>]*|<supports-in-parens> [or <supports-in-parens>]*",
+        "supports-in-parens": "( <supports-condition> )|<supports-feature>|<general-enclosed>",
+        "supports-feature": "<supports-decl>|<supports-selector-fn>",
+        "supports-decl": "( <declaration> )",
+        "supports-selector-fn": "selector( <complex-selector> )",
+        "symbol": "<string>|<image>|<custom-ident>",
+        "tan()": "tan( <calc-sum> )",
+        "target": "<target-counter()>|<target-counters()>|<target-text()>",
+        "target-counter()": "target-counter( [<string>|<url>] , <custom-ident> , <counter-style>? )",
+        "target-counters()": "target-counters( [<string>|<url>] , <custom-ident> , <string> , <counter-style>? )",
+        "target-text()": "target-text( [<string>|<url>] , [content|before|after|first-letter]? )",
+        "time-percentage": "<time>|<percentage>",
+        "timeline-name": "<custom-ident>|<string>",
+        "easing-function": "linear|<cubic-bezier-timing-function>|<step-timing-function>",
+        "track-breadth": "<length-percentage>|<flex>|min-content|max-content|auto",
+        "track-list": "[<line-names>? [<track-size>|<track-repeat>]]+ <line-names>?",
+        "track-repeat": "repeat( [<integer [1,∞]>] , [<line-names>? <track-size>]+ <line-names>? )",
+        "track-size": "<track-breadth>|minmax( <inflexible-breadth> , <track-breadth> )|fit-content( <length-percentage> )",
+        "transform-function": "<matrix()>|<translate()>|<translateX()>|<translateY()>|<scale()>|<scaleX()>|<scaleY()>|<rotate()>|<skew()>|<skewX()>|<skewY()>|<matrix3d()>|<translate3d()>|<translateZ()>|<scale3d()>|<scaleZ()>|<rotate3d()>|<rotateX()>|<rotateY()>|<rotateZ()>|<perspective()>",
+        "transform-list": "<transform-function>+",
+        "translate()": "translate( <length-percentage> , <length-percentage>? )",
+        "translate3d()": "translate3d( <length-percentage> , <length-percentage> , <length> )",
+        "translateX()": "translateX( <length-percentage> )",
+        "translateY()": "translateY( <length-percentage> )",
+        "translateZ()": "translateZ( <length> )",
+        "type-or-unit": "string|color|url|integer|number|length|angle|time|frequency|cap|ch|em|ex|ic|lh|rlh|rem|vb|vi|vw|vh|vmin|vmax|mm|Q|cm|in|pt|pc|px|deg|grad|rad|turn|ms|s|Hz|kHz|%",
+        "type-selector": "<wq-name>|<ns-prefix>? '*'",
+        "var()": "var( <custom-property-name> , <declaration-value>? )",
+        "viewport-length": "auto|<length-percentage>",
+        "visual-box": "content-box|padding-box|border-box",
+        "wq-name": "<ns-prefix>? <ident-token>",
+        "-legacy-gradient": "<-webkit-gradient()>|<-legacy-linear-gradient>|<-legacy-repeating-linear-gradient>|<-legacy-radial-gradient>|<-legacy-repeating-radial-gradient>",
+        "-legacy-linear-gradient": "-moz-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-linear-gradient( <-legacy-linear-gradient-arguments> )",
+        "-legacy-repeating-linear-gradient": "-moz-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )",
+        "-legacy-linear-gradient-arguments": "[<angle>|<side-or-corner>]? , <color-stop-list>",
+        "-legacy-radial-gradient": "-moz-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-radial-gradient( <-legacy-radial-gradient-arguments> )",
+        "-legacy-repeating-radial-gradient": "-moz-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )",
+        "-legacy-radial-gradient-arguments": "[<position> ,]? [[[<-legacy-radial-gradient-shape>||<-legacy-radial-gradient-size>]|[<length>|<percentage>]{2}] ,]? <color-stop-list>",
+        "-legacy-radial-gradient-size": "closest-side|closest-corner|farthest-side|farthest-corner|contain|cover",
+        "-legacy-radial-gradient-shape": "circle|ellipse",
+        "-non-standard-font": "-apple-system-body|-apple-system-headline|-apple-system-subheadline|-apple-system-caption1|-apple-system-caption2|-apple-system-footnote|-apple-system-short-body|-apple-system-short-headline|-apple-system-short-subheadline|-apple-system-short-caption1|-apple-system-short-footnote|-apple-system-tall-body",
+        "-non-standard-color": "-moz-ButtonDefault|-moz-ButtonHoverFace|-moz-ButtonHoverText|-moz-CellHighlight|-moz-CellHighlightText|-moz-Combobox|-moz-ComboboxText|-moz-Dialog|-moz-DialogText|-moz-dragtargetzone|-moz-EvenTreeRow|-moz-Field|-moz-FieldText|-moz-html-CellHighlight|-moz-html-CellHighlightText|-moz-mac-accentdarkestshadow|-moz-mac-accentdarkshadow|-moz-mac-accentface|-moz-mac-accentlightesthighlight|-moz-mac-accentlightshadow|-moz-mac-accentregularhighlight|-moz-mac-accentregularshadow|-moz-mac-chrome-active|-moz-mac-chrome-inactive|-moz-mac-focusring|-moz-mac-menuselect|-moz-mac-menushadow|-moz-mac-menutextselect|-moz-MenuHover|-moz-MenuHoverText|-moz-MenuBarText|-moz-MenuBarHoverText|-moz-nativehyperlinktext|-moz-OddTreeRow|-moz-win-communicationstext|-moz-win-mediatext|-moz-activehyperlinktext|-moz-default-background-color|-moz-default-color|-moz-hyperlinktext|-moz-visitedhyperlinktext|-webkit-activelink|-webkit-focus-ring-color|-webkit-link|-webkit-text",
+        "-non-standard-image-rendering": "optimize-contrast|-moz-crisp-edges|-o-crisp-edges|-webkit-optimize-contrast",
+        "-non-standard-overflow": "-moz-scrollbars-none|-moz-scrollbars-horizontal|-moz-scrollbars-vertical|-moz-hidden-unscrollable",
+        "-non-standard-width": "fill-available|min-intrinsic|intrinsic|-moz-available|-moz-fit-content|-moz-min-content|-moz-max-content|-webkit-min-content|-webkit-max-content",
+        "-webkit-gradient()": "-webkit-gradient( <-webkit-gradient-type> , <-webkit-gradient-point> [, <-webkit-gradient-point>|, <-webkit-gradient-radius> , <-webkit-gradient-point>] [, <-webkit-gradient-radius>]? [, <-webkit-gradient-color-stop>]* )",
+        "-webkit-gradient-color-stop": "from( <color> )|color-stop( [<number-zero-one>|<percentage>] , <color> )|to( <color> )",
+        "-webkit-gradient-point": "[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]",
+        "-webkit-gradient-radius": "<length>|<percentage>",
+        "-webkit-gradient-type": "linear|radial",
+        "-webkit-mask-box-repeat": "repeat|stretch|round",
+        "-webkit-mask-clip-style": "border|border-box|padding|padding-box|content|content-box|text",
+        "-ms-filter-function-list": "<-ms-filter-function>+",
+        "-ms-filter-function": "<-ms-filter-function-progid>|<-ms-filter-function-legacy>",
+        "-ms-filter-function-progid": "'progid:' [<ident-token> '.']* [<ident-token>|<function-token> <any-value>? )]",
+        "-ms-filter-function-legacy": "<ident-token>|<function-token> <any-value>? )",
+        "-ms-filter": "<string>",
+        "age": "child|young|old",
+        "attr-name": "<wq-name>",
+        "attr-fallback": "<any-value>",
+        "bg-clip": "<box>|border|text",
+        "bottom": "<length>|auto",
+        "generic-voice": "[<age>? <gender> <integer>?]",
+        "gender": "male|female|neutral",
+        "left": "<length>|auto",
+        "mask-image": "<mask-reference>#",
+        "paint": "none|<color>|<url> [none|<color>]?|context-fill|context-stroke",
+        "right": "<length>|auto",
+        "scroll-timeline-axis": "block|inline|vertical|horizontal",
+        "scroll-timeline-name": "none|<custom-ident>",
+        "single-animation-composition": "replace|add|accumulate",
+        "svg-length": "<percentage>|<length>|<number>",
+        "svg-writing-mode": "lr-tb|rl-tb|tb-rl|lr|rl|tb",
+        "top": "<length>|auto",
+        "x": "<number>",
+        "y": "<number>",
+        "declaration": "<ident-token> : <declaration-value>? ['!' important]?",
+        "declaration-list": "[<declaration>? ';']* <declaration>?",
+        "url": "url( <string> <url-modifier>* )|<url-token>",
+        "url-modifier": "<ident>|<function-token> <any-value> )",
+        "number-zero-one": "<number [0,1]>",
+        "number-one-or-greater": "<number [1,∞]>",
+        "-non-standard-display": "-ms-inline-flexbox|-ms-grid|-ms-inline-grid|-webkit-flex|-webkit-inline-flex|-webkit-box|-webkit-inline-box|-moz-inline-stack|-moz-box|-moz-inline-box"
+    },
+    "properties": {
+        "--*": "<declaration-value>",
+        "-ms-accelerator": "false|true",
+        "-ms-block-progression": "tb|rl|bt|lr",
+        "-ms-content-zoom-chaining": "none|chained",
+        "-ms-content-zooming": "none|zoom",
+        "-ms-content-zoom-limit": "<'-ms-content-zoom-limit-min'> <'-ms-content-zoom-limit-max'>",
+        "-ms-content-zoom-limit-max": "<percentage>",
+        "-ms-content-zoom-limit-min": "<percentage>",
+        "-ms-content-zoom-snap": "<'-ms-content-zoom-snap-type'>||<'-ms-content-zoom-snap-points'>",
+        "-ms-content-zoom-snap-points": "snapInterval( <percentage> , <percentage> )|snapList( <percentage># )",
+        "-ms-content-zoom-snap-type": "none|proximity|mandatory",
+        "-ms-filter": "<string>",
+        "-ms-flow-from": "[none|<custom-ident>]#",
+        "-ms-flow-into": "[none|<custom-ident>]#",
+        "-ms-grid-columns": "none|<track-list>|<auto-track-list>",
+        "-ms-grid-rows": "none|<track-list>|<auto-track-list>",
+        "-ms-high-contrast-adjust": "auto|none",
+        "-ms-hyphenate-limit-chars": "auto|<integer>{1,3}",
+        "-ms-hyphenate-limit-lines": "no-limit|<integer>",
+        "-ms-hyphenate-limit-zone": "<percentage>|<length>",
+        "-ms-ime-align": "auto|after",
+        "-ms-overflow-style": "auto|none|scrollbar|-ms-autohiding-scrollbar",
+        "-ms-scrollbar-3dlight-color": "<color>",
+        "-ms-scrollbar-arrow-color": "<color>",
+        "-ms-scrollbar-base-color": "<color>",
+        "-ms-scrollbar-darkshadow-color": "<color>",
+        "-ms-scrollbar-face-color": "<color>",
+        "-ms-scrollbar-highlight-color": "<color>",
+        "-ms-scrollbar-shadow-color": "<color>",
+        "-ms-scrollbar-track-color": "<color>",
+        "-ms-scroll-chaining": "chained|none",
+        "-ms-scroll-limit": "<'-ms-scroll-limit-x-min'> <'-ms-scroll-limit-y-min'> <'-ms-scroll-limit-x-max'> <'-ms-scroll-limit-y-max'>",
+        "-ms-scroll-limit-x-max": "auto|<length>",
+        "-ms-scroll-limit-x-min": "<length>",
+        "-ms-scroll-limit-y-max": "auto|<length>",
+        "-ms-scroll-limit-y-min": "<length>",
+        "-ms-scroll-rails": "none|railed",
+        "-ms-scroll-snap-points-x": "snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )",
+        "-ms-scroll-snap-points-y": "snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )",
+        "-ms-scroll-snap-type": "none|proximity|mandatory",
+        "-ms-scroll-snap-x": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-x'>",
+        "-ms-scroll-snap-y": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-y'>",
+        "-ms-scroll-translation": "none|vertical-to-horizontal",
+        "-ms-text-autospace": "none|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space",
+        "-ms-touch-select": "grippers|none",
+        "-ms-user-select": "none|element|text",
+        "-ms-wrap-flow": "auto|both|start|end|maximum|clear",
+        "-ms-wrap-margin": "<length>",
+        "-ms-wrap-through": "wrap|none",
+        "-moz-appearance": "none|button|button-arrow-down|button-arrow-next|button-arrow-previous|button-arrow-up|button-bevel|button-focus|caret|checkbox|checkbox-container|checkbox-label|checkmenuitem|dualbutton|groupbox|listbox|listitem|menuarrow|menubar|menucheckbox|menuimage|menuitem|menuitemtext|menulist|menulist-button|menulist-text|menulist-textfield|menupopup|menuradio|menuseparator|meterbar|meterchunk|progressbar|progressbar-vertical|progresschunk|progresschunk-vertical|radio|radio-container|radio-label|radiomenuitem|range|range-thumb|resizer|resizerpanel|scale-horizontal|scalethumbend|scalethumb-horizontal|scalethumbstart|scalethumbtick|scalethumb-vertical|scale-vertical|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|separator|sheet|spinner|spinner-downbutton|spinner-textfield|spinner-upbutton|splitter|statusbar|statusbarpanel|tab|tabpanel|tabpanels|tab-scroll-arrow-back|tab-scroll-arrow-forward|textfield|textfield-multiline|toolbar|toolbarbutton|toolbarbutton-dropdown|toolbargripper|toolbox|tooltip|treeheader|treeheadercell|treeheadersortarrow|treeitem|treeline|treetwisty|treetwistyopen|treeview|-moz-mac-unified-toolbar|-moz-win-borderless-glass|-moz-win-browsertabbar-toolbox|-moz-win-communicationstext|-moz-win-communications-toolbox|-moz-win-exclude-glass|-moz-win-glass|-moz-win-mediatext|-moz-win-media-toolbox|-moz-window-button-box|-moz-window-button-box-maximized|-moz-window-button-close|-moz-window-button-maximize|-moz-window-button-minimize|-moz-window-button-restore|-moz-window-frame-bottom|-moz-window-frame-left|-moz-window-frame-right|-moz-window-titlebar|-moz-window-titlebar-maximized",
+        "-moz-binding": "<url>|none",
+        "-moz-border-bottom-colors": "<color>+|none",
+        "-moz-border-left-colors": "<color>+|none",
+        "-moz-border-right-colors": "<color>+|none",
+        "-moz-border-top-colors": "<color>+|none",
+        "-moz-context-properties": "none|[fill|fill-opacity|stroke|stroke-opacity]#",
+        "-moz-float-edge": "border-box|content-box|margin-box|padding-box",
+        "-moz-force-broken-image-icon": "0|1",
+        "-moz-image-region": "<shape>|auto",
+        "-moz-orient": "inline|block|horizontal|vertical",
+        "-moz-outline-radius": "<outline-radius>{1,4} [/ <outline-radius>{1,4}]?",
+        "-moz-outline-radius-bottomleft": "<outline-radius>",
+        "-moz-outline-radius-bottomright": "<outline-radius>",
+        "-moz-outline-radius-topleft": "<outline-radius>",
+        "-moz-outline-radius-topright": "<outline-radius>",
+        "-moz-stack-sizing": "ignore|stretch-to-fit",
+        "-moz-text-blink": "none|blink",
+        "-moz-user-focus": "ignore|normal|select-after|select-before|select-menu|select-same|select-all|none",
+        "-moz-user-input": "auto|none|enabled|disabled",
+        "-moz-user-modify": "read-only|read-write|write-only",
+        "-moz-window-dragging": "drag|no-drag",
+        "-moz-window-shadow": "default|menu|tooltip|sheet|none",
+        "-webkit-appearance": "none|button|button-bevel|caps-lock-indicator|caret|checkbox|default-button|inner-spin-button|listbox|listitem|media-controls-background|media-controls-fullscreen-background|media-current-time-display|media-enter-fullscreen-button|media-exit-fullscreen-button|media-fullscreen-button|media-mute-button|media-overlay-play-button|media-play-button|media-seek-back-button|media-seek-forward-button|media-slider|media-sliderthumb|media-time-remaining-display|media-toggle-closed-captions-button|media-volume-slider|media-volume-slider-container|media-volume-sliderthumb|menulist|menulist-button|menulist-text|menulist-textfield|meter|progress-bar|progress-bar-value|push-button|radio|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbargripper-horizontal|scrollbargripper-vertical|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|searchfield-cancel-button|searchfield-decoration|searchfield-results-button|searchfield-results-decoration|slider-horizontal|slider-vertical|sliderthumb-horizontal|sliderthumb-vertical|square-button|textarea|textfield|-apple-pay-button",
+        "-webkit-border-before": "<'border-width'>||<'border-style'>||<color>",
+        "-webkit-border-before-color": "<color>",
+        "-webkit-border-before-style": "<'border-style'>",
+        "-webkit-border-before-width": "<'border-width'>",
+        "-webkit-box-reflect": "[above|below|right|left]? <length>? <image>?",
+        "-webkit-line-clamp": "none|<integer>",
+        "-webkit-mask": "[<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||[<box>|border|padding|content|text]||[<box>|border|padding|content]]#",
+        "-webkit-mask-attachment": "<attachment>#",
+        "-webkit-mask-clip": "[<box>|border|padding|content|text]#",
+        "-webkit-mask-composite": "<composite-style>#",
+        "-webkit-mask-image": "<mask-reference>#",
+        "-webkit-mask-origin": "[<box>|border|padding|content]#",
+        "-webkit-mask-position": "<position>#",
+        "-webkit-mask-position-x": "[<length-percentage>|left|center|right]#",
+        "-webkit-mask-position-y": "[<length-percentage>|top|center|bottom]#",
+        "-webkit-mask-repeat": "<repeat-style>#",
+        "-webkit-mask-repeat-x": "repeat|no-repeat|space|round",
+        "-webkit-mask-repeat-y": "repeat|no-repeat|space|round",
+        "-webkit-mask-size": "<bg-size>#",
+        "-webkit-overflow-scrolling": "auto|touch",
+        "-webkit-tap-highlight-color": "<color>",
+        "-webkit-text-fill-color": "<color>",
+        "-webkit-text-stroke": "<length>||<color>",
+        "-webkit-text-stroke-color": "<color>",
+        "-webkit-text-stroke-width": "<length>",
+        "-webkit-touch-callout": "default|none",
+        "-webkit-user-modify": "read-only|read-write|read-write-plaintext-only",
+        "accent-color": "auto|<color>",
+        "align-content": "normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>",
+        "align-items": "normal|stretch|<baseline-position>|[<overflow-position>? <self-position>]",
+        "align-self": "auto|normal|stretch|<baseline-position>|<overflow-position>? <self-position>",
+        "align-tracks": "[normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>]#",
+        "all": "initial|inherit|unset|revert|revert-layer",
+        "animation": "<single-animation>#",
+        "animation-composition": "<single-animation-composition>#",
+        "animation-delay": "<time>#",
+        "animation-direction": "<single-animation-direction>#",
+        "animation-duration": "<time>#",
+        "animation-fill-mode": "<single-animation-fill-mode>#",
+        "animation-iteration-count": "<single-animation-iteration-count>#",
+        "animation-name": "[none|<keyframes-name>]#",
+        "animation-play-state": "<single-animation-play-state>#",
+        "animation-timing-function": "<easing-function>#",
+        "animation-timeline": "<single-animation-timeline>#",
+        "appearance": "none|auto|textfield|menulist-button|<compat-auto>",
+        "aspect-ratio": "auto|<ratio>",
+        "azimuth": "<angle>|[[left-side|far-left|left|center-left|center|center-right|right|far-right|right-side]||behind]|leftwards|rightwards",
+        "backdrop-filter": "none|<filter-function-list>",
+        "backface-visibility": "visible|hidden",
+        "background": "[<bg-layer> ,]* <final-bg-layer>",
+        "background-attachment": "<attachment>#",
+        "background-blend-mode": "<blend-mode>#",
+        "background-clip": "<bg-clip>#",
+        "background-color": "<color>",
+        "background-image": "<bg-image>#",
+        "background-origin": "<box>#",
+        "background-position": "<bg-position>#",
+        "background-position-x": "[center|[[left|right|x-start|x-end]? <length-percentage>?]!]#",
+        "background-position-y": "[center|[[top|bottom|y-start|y-end]? <length-percentage>?]!]#",
+        "background-repeat": "<repeat-style>#",
+        "background-size": "<bg-size>#",
+        "block-overflow": "clip|ellipsis|<string>",
+        "block-size": "<'width'>",
+        "border": "<line-width>||<line-style>||<color>",
+        "border-block": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-color": "<'border-top-color'>{1,2}",
+        "border-block-style": "<'border-top-style'>",
+        "border-block-width": "<'border-top-width'>",
+        "border-block-end": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-end-color": "<'border-top-color'>",
+        "border-block-end-style": "<'border-top-style'>",
+        "border-block-end-width": "<'border-top-width'>",
+        "border-block-start": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-start-color": "<'border-top-color'>",
+        "border-block-start-style": "<'border-top-style'>",
+        "border-block-start-width": "<'border-top-width'>",
+        "border-bottom": "<line-width>||<line-style>||<color>",
+        "border-bottom-color": "<'border-top-color'>",
+        "border-bottom-left-radius": "<length-percentage>{1,2}",
+        "border-bottom-right-radius": "<length-percentage>{1,2}",
+        "border-bottom-style": "<line-style>",
+        "border-bottom-width": "<line-width>",
+        "border-collapse": "collapse|separate",
+        "border-color": "<color>{1,4}",
+        "border-end-end-radius": "<length-percentage>{1,2}",
+        "border-end-start-radius": "<length-percentage>{1,2}",
+        "border-image": "<'border-image-source'>||<'border-image-slice'> [/ <'border-image-width'>|/ <'border-image-width'>? / <'border-image-outset'>]?||<'border-image-repeat'>",
+        "border-image-outset": "[<length>|<number>]{1,4}",
+        "border-image-repeat": "[stretch|repeat|round|space]{1,2}",
+        "border-image-slice": "<number-percentage>{1,4}&&fill?",
+        "border-image-source": "none|<image>",
+        "border-image-width": "[<length-percentage>|<number>|auto]{1,4}",
+        "border-inline": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-end": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-color": "<'border-top-color'>{1,2}",
+        "border-inline-style": "<'border-top-style'>",
+        "border-inline-width": "<'border-top-width'>",
+        "border-inline-end-color": "<'border-top-color'>",
+        "border-inline-end-style": "<'border-top-style'>",
+        "border-inline-end-width": "<'border-top-width'>",
+        "border-inline-start": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-start-color": "<'border-top-color'>",
+        "border-inline-start-style": "<'border-top-style'>",
+        "border-inline-start-width": "<'border-top-width'>",
+        "border-left": "<line-width>||<line-style>||<color>",
+        "border-left-color": "<color>",
+        "border-left-style": "<line-style>",
+        "border-left-width": "<line-width>",
+        "border-radius": "<length-percentage>{1,4} [/ <length-percentage>{1,4}]?",
+        "border-right": "<line-width>||<line-style>||<color>",
+        "border-right-color": "<color>",
+        "border-right-style": "<line-style>",
+        "border-right-width": "<line-width>",
+        "border-spacing": "<length> <length>?",
+        "border-start-end-radius": "<length-percentage>{1,2}",
+        "border-start-start-radius": "<length-percentage>{1,2}",
+        "border-style": "<line-style>{1,4}",
+        "border-top": "<line-width>||<line-style>||<color>",
+        "border-top-color": "<color>",
+        "border-top-left-radius": "<length-percentage>{1,2}",
+        "border-top-right-radius": "<length-percentage>{1,2}",
+        "border-top-style": "<line-style>",
+        "border-top-width": "<line-width>",
+        "border-width": "<line-width>{1,4}",
+        "bottom": "<length>|<percentage>|auto",
+        "box-align": "start|center|end|baseline|stretch",
+        "box-decoration-break": "slice|clone",
+        "box-direction": "normal|reverse|inherit",
+        "box-flex": "<number>",
+        "box-flex-group": "<integer>",
+        "box-lines": "single|multiple",
+        "box-ordinal-group": "<integer>",
+        "box-orient": "horizontal|vertical|inline-axis|block-axis|inherit",
+        "box-pack": "start|center|end|justify",
+        "box-shadow": "none|<shadow>#",
+        "box-sizing": "content-box|border-box",
+        "break-after": "auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region",
+        "break-before": "auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region",
+        "break-inside": "auto|avoid|avoid-page|avoid-column|avoid-region",
+        "caption-side": "top|bottom|block-start|block-end|inline-start|inline-end",
+        "caret": "<'caret-color'>||<'caret-shape'>",
+        "caret-color": "auto|<color>",
+        "caret-shape": "auto|bar|block|underscore",
+        "clear": "none|left|right|both|inline-start|inline-end",
+        "clip": "<shape>|auto",
+        "clip-path": "<clip-source>|[<basic-shape>||<geometry-box>]|none",
+        "color": "<color>",
+        "print-color-adjust": "economy|exact",
+        "color-scheme": "normal|[light|dark|<custom-ident>]+&&only?",
+        "column-count": "<integer>|auto",
+        "column-fill": "auto|balance|balance-all",
+        "column-gap": "normal|<length-percentage>",
+        "column-rule": "<'column-rule-width'>||<'column-rule-style'>||<'column-rule-color'>",
+        "column-rule-color": "<color>",
+        "column-rule-style": "<'border-style'>",
+        "column-rule-width": "<'border-width'>",
+        "column-span": "none|all",
+        "column-width": "<length>|auto",
+        "columns": "<'column-width'>||<'column-count'>",
+        "contain": "none|strict|content|[[size||inline-size]||layout||style||paint]",
+        "contain-intrinsic-size": "[none|<length>|auto <length>]{1,2}",
+        "contain-intrinsic-block-size": "none|<length>|auto <length>",
+        "contain-intrinsic-height": "none|<length>|auto <length>",
+        "contain-intrinsic-inline-size": "none|<length>|auto <length>",
+        "contain-intrinsic-width": "none|<length>|auto <length>",
+        "content": "normal|none|[<content-replacement>|<content-list>] [/ [<string>|<counter>]+]?",
+        "content-visibility": "visible|auto|hidden",
+        "counter-increment": "[<counter-name> <integer>?]+|none",
+        "counter-reset": "[<counter-name> <integer>?|<reversed-counter-name> <integer>?]+|none",
+        "counter-set": "[<counter-name> <integer>?]+|none",
+        "cursor": "[[<url> [<x> <y>]? ,]* [auto|default|none|context-menu|help|pointer|progress|wait|cell|crosshair|text|vertical-text|alias|copy|move|no-drop|not-allowed|e-resize|n-resize|ne-resize|nw-resize|s-resize|se-resize|sw-resize|w-resize|ew-resize|ns-resize|nesw-resize|nwse-resize|col-resize|row-resize|all-scroll|zoom-in|zoom-out|grab|grabbing|hand|-webkit-grab|-webkit-grabbing|-webkit-zoom-in|-webkit-zoom-out|-moz-grab|-moz-grabbing|-moz-zoom-in|-moz-zoom-out]]",
+        "direction": "ltr|rtl",
+        "display": "[<display-outside>||<display-inside>]|<display-listitem>|<display-internal>|<display-box>|<display-legacy>|<-non-standard-display>",
+        "empty-cells": "show|hide",
+        "filter": "none|<filter-function-list>|<-ms-filter-function-list>",
+        "flex": "none|[<'flex-grow'> <'flex-shrink'>?||<'flex-basis'>]",
+        "flex-basis": "content|<'width'>",
+        "flex-direction": "row|row-reverse|column|column-reverse",
+        "flex-flow": "<'flex-direction'>||<'flex-wrap'>",
+        "flex-grow": "<number>",
+        "flex-shrink": "<number>",
+        "flex-wrap": "nowrap|wrap|wrap-reverse",
+        "float": "left|right|none|inline-start|inline-end",
+        "font": "[[<'font-style'>||<font-variant-css21>||<'font-weight'>||<'font-stretch'>]? <'font-size'> [/ <'line-height'>]? <'font-family'>]|caption|icon|menu|message-box|small-caption|status-bar",
+        "font-family": "[<family-name>|<generic-family>]#",
+        "font-feature-settings": "normal|<feature-tag-value>#",
+        "font-kerning": "auto|normal|none",
+        "font-language-override": "normal|<string>",
+        "font-optical-sizing": "auto|none",
+        "font-variation-settings": "normal|[<string> <number>]#",
+        "font-size": "<absolute-size>|<relative-size>|<length-percentage>",
+        "font-size-adjust": "none|[ex-height|cap-height|ch-width|ic-width|ic-height]? [from-font|<number>]",
+        "font-smooth": "auto|never|always|<absolute-size>|<length>",
+        "font-stretch": "<font-stretch-absolute>",
+        "font-style": "normal|italic|oblique <angle>?",
+        "font-synthesis": "none|[weight||style||small-caps]",
+        "font-variant": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+        "font-variant-alternates": "normal|[stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )]",
+        "font-variant-caps": "normal|small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps",
+        "font-variant-east-asian": "normal|[<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+        "font-variant-ligatures": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>]",
+        "font-variant-numeric": "normal|[<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero]",
+        "font-variant-position": "normal|sub|super",
+        "font-weight": "<font-weight-absolute>|bolder|lighter",
+        "forced-color-adjust": "auto|none",
+        "gap": "<'row-gap'> <'column-gap'>?",
+        "grid": "<'grid-template'>|<'grid-template-rows'> / [auto-flow&&dense?] <'grid-auto-columns'>?|[auto-flow&&dense?] <'grid-auto-rows'>? / <'grid-template-columns'>",
+        "grid-area": "<grid-line> [/ <grid-line>]{0,3}",
+        "grid-auto-columns": "<track-size>+",
+        "grid-auto-flow": "[row|column]||dense",
+        "grid-auto-rows": "<track-size>+",
+        "grid-column": "<grid-line> [/ <grid-line>]?",
+        "grid-column-end": "<grid-line>",
+        "grid-column-gap": "<length-percentage>",
+        "grid-column-start": "<grid-line>",
+        "grid-gap": "<'grid-row-gap'> <'grid-column-gap'>?",
+        "grid-row": "<grid-line> [/ <grid-line>]?",
+        "grid-row-end": "<grid-line>",
+        "grid-row-gap": "<length-percentage>",
+        "grid-row-start": "<grid-line>",
+        "grid-template": "none|[<'grid-template-rows'> / <'grid-template-columns'>]|[<line-names>? <string> <track-size>? <line-names>?]+ [/ <explicit-track-list>]?",
+        "grid-template-areas": "none|<string>+",
+        "grid-template-columns": "none|<track-list>|<auto-track-list>|subgrid <line-name-list>?",
+        "grid-template-rows": "none|<track-list>|<auto-track-list>|subgrid <line-name-list>?",
+        "hanging-punctuation": "none|[first||[force-end|allow-end]||last]",
+        "height": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "hyphenate-character": "auto|<string>",
+        "hyphens": "none|manual|auto",
+        "image-orientation": "from-image|<angle>|[<angle>? flip]",
+        "image-rendering": "auto|crisp-edges|pixelated|optimizeSpeed|optimizeQuality|<-non-standard-image-rendering>",
+        "image-resolution": "[from-image||<resolution>]&&snap?",
+        "ime-mode": "auto|normal|active|inactive|disabled",
+        "initial-letter": "normal|[<number> <integer>?]",
+        "initial-letter-align": "[auto|alphabetic|hanging|ideographic]",
+        "inline-size": "<'width'>",
+        "input-security": "auto|none",
+        "inset": "<'top'>{1,4}",
+        "inset-block": "<'top'>{1,2}",
+        "inset-block-end": "<'top'>",
+        "inset-block-start": "<'top'>",
+        "inset-inline": "<'top'>{1,2}",
+        "inset-inline-end": "<'top'>",
+        "inset-inline-start": "<'top'>",
+        "isolation": "auto|isolate",
+        "justify-content": "normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]",
+        "justify-items": "normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]|legacy|legacy&&[left|right|center]",
+        "justify-self": "auto|normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]",
+        "justify-tracks": "[normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]]#",
+        "left": "<length>|<percentage>|auto",
+        "letter-spacing": "normal|<length-percentage>",
+        "line-break": "auto|loose|normal|strict|anywhere",
+        "line-clamp": "none|<integer>",
+        "line-height": "normal|<number>|<length>|<percentage>",
+        "line-height-step": "<length>",
+        "list-style": "<'list-style-type'>||<'list-style-position'>||<'list-style-image'>",
+        "list-style-image": "<image>|none",
+        "list-style-position": "inside|outside",
+        "list-style-type": "<counter-style>|<string>|none",
+        "margin": "[<length>|<percentage>|auto]{1,4}",
+        "margin-block": "<'margin-left'>{1,2}",
+        "margin-block-end": "<'margin-left'>",
+        "margin-block-start": "<'margin-left'>",
+        "margin-bottom": "<length>|<percentage>|auto",
+        "margin-inline": "<'margin-left'>{1,2}",
+        "margin-inline-end": "<'margin-left'>",
+        "margin-inline-start": "<'margin-left'>",
+        "margin-left": "<length>|<percentage>|auto",
+        "margin-right": "<length>|<percentage>|auto",
+        "margin-top": "<length>|<percentage>|auto",
+        "margin-trim": "none|in-flow|all",
+        "mask": "<mask-layer>#",
+        "mask-border": "<'mask-border-source'>||<'mask-border-slice'> [/ <'mask-border-width'>? [/ <'mask-border-outset'>]?]?||<'mask-border-repeat'>||<'mask-border-mode'>",
+        "mask-border-mode": "luminance|alpha",
+        "mask-border-outset": "[<length>|<number>]{1,4}",
+        "mask-border-repeat": "[stretch|repeat|round|space]{1,2}",
+        "mask-border-slice": "<number-percentage>{1,4} fill?",
+        "mask-border-source": "none|<image>",
+        "mask-border-width": "[<length-percentage>|<number>|auto]{1,4}",
+        "mask-clip": "[<geometry-box>|no-clip]#",
+        "mask-composite": "<compositing-operator>#",
+        "mask-image": "<mask-reference>#",
+        "mask-mode": "<masking-mode>#",
+        "mask-origin": "<geometry-box>#",
+        "mask-position": "<position>#",
+        "mask-repeat": "<repeat-style>#",
+        "mask-size": "<bg-size>#",
+        "mask-type": "luminance|alpha",
+        "masonry-auto-flow": "[pack|next]||[definite-first|ordered]",
+        "math-depth": "auto-add|add( <integer> )|<integer>",
+        "math-shift": "normal|compact",
+        "math-style": "normal|compact",
+        "max-block-size": "<'max-width'>",
+        "max-height": "none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "max-inline-size": "<'max-width'>",
+        "max-lines": "none|<integer>",
+        "max-width": "none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>",
+        "min-block-size": "<'min-width'>",
+        "min-height": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "min-inline-size": "<'min-width'>",
+        "min-width": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>",
+        "mix-blend-mode": "<blend-mode>|plus-lighter",
+        "object-fit": "fill|contain|cover|none|scale-down",
+        "object-position": "<position>",
+        "offset": "[<'offset-position'>? [<'offset-path'> [<'offset-distance'>||<'offset-rotate'>]?]?]! [/ <'offset-anchor'>]?",
+        "offset-anchor": "auto|<position>",
+        "offset-distance": "<length-percentage>",
+        "offset-path": "none|ray( [<angle>&&<size>&&contain?] )|<path()>|<url>|[<basic-shape>||<geometry-box>]",
+        "offset-position": "auto|<position>",
+        "offset-rotate": "[auto|reverse]||<angle>",
+        "opacity": "<alpha-value>",
+        "order": "<integer>",
+        "orphans": "<integer>",
+        "outline": "[<'outline-color'>||<'outline-style'>||<'outline-width'>]",
+        "outline-color": "<color>|invert",
+        "outline-offset": "<length>",
+        "outline-style": "auto|<'border-style'>",
+        "outline-width": "<line-width>",
+        "overflow": "[visible|hidden|clip|scroll|auto]{1,2}|<-non-standard-overflow>",
+        "overflow-anchor": "auto|none",
+        "overflow-block": "visible|hidden|clip|scroll|auto",
+        "overflow-clip-box": "padding-box|content-box",
+        "overflow-clip-margin": "<visual-box>||<length [0,∞]>",
+        "overflow-inline": "visible|hidden|clip|scroll|auto",
+        "overflow-wrap": "normal|break-word|anywhere",
+        "overflow-x": "visible|hidden|clip|scroll|auto",
+        "overflow-y": "visible|hidden|clip|scroll|auto",
+        "overscroll-behavior": "[contain|none|auto]{1,2}",
+        "overscroll-behavior-block": "contain|none|auto",
+        "overscroll-behavior-inline": "contain|none|auto",
+        "overscroll-behavior-x": "contain|none|auto",
+        "overscroll-behavior-y": "contain|none|auto",
+        "padding": "[<length>|<percentage>]{1,4}",
+        "padding-block": "<'padding-left'>{1,2}",
+        "padding-block-end": "<'padding-left'>",
+        "padding-block-start": "<'padding-left'>",
+        "padding-bottom": "<length>|<percentage>",
+        "padding-inline": "<'padding-left'>{1,2}",
+        "padding-inline-end": "<'padding-left'>",
+        "padding-inline-start": "<'padding-left'>",
+        "padding-left": "<length>|<percentage>",
+        "padding-right": "<length>|<percentage>",
+        "padding-top": "<length>|<percentage>",
+        "page-break-after": "auto|always|avoid|left|right|recto|verso",
+        "page-break-before": "auto|always|avoid|left|right|recto|verso",
+        "page-break-inside": "auto|avoid",
+        "paint-order": "normal|[fill||stroke||markers]",
+        "perspective": "none|<length>",
+        "perspective-origin": "<position>",
+        "place-content": "<'align-content'> <'justify-content'>?",
+        "place-items": "<'align-items'> <'justify-items'>?",
+        "place-self": "<'align-self'> <'justify-self'>?",
+        "pointer-events": "auto|none|visiblePainted|visibleFill|visibleStroke|visible|painted|fill|stroke|all|inherit",
+        "position": "static|relative|absolute|sticky|fixed|-webkit-sticky",
+        "quotes": "none|auto|[<string> <string>]+",
+        "resize": "none|both|horizontal|vertical|block|inline",
+        "right": "<length>|<percentage>|auto",
+        "rotate": "none|<angle>|[x|y|z|<number>{3}]&&<angle>",
+        "row-gap": "normal|<length-percentage>",
+        "ruby-align": "start|center|space-between|space-around",
+        "ruby-merge": "separate|collapse|auto",
+        "ruby-position": "[alternate||[over|under]]|inter-character",
+        "scale": "none|<number>{1,3}",
+        "scrollbar-color": "auto|<color>{2}",
+        "scrollbar-gutter": "auto|stable&&both-edges?",
+        "scrollbar-width": "auto|thin|none",
+        "scroll-behavior": "auto|smooth",
+        "scroll-margin": "<length>{1,4}",
+        "scroll-margin-block": "<length>{1,2}",
+        "scroll-margin-block-start": "<length>",
+        "scroll-margin-block-end": "<length>",
+        "scroll-margin-bottom": "<length>",
+        "scroll-margin-inline": "<length>{1,2}",
+        "scroll-margin-inline-start": "<length>",
+        "scroll-margin-inline-end": "<length>",
+        "scroll-margin-left": "<length>",
+        "scroll-margin-right": "<length>",
+        "scroll-margin-top": "<length>",
+        "scroll-padding": "[auto|<length-percentage>]{1,4}",
+        "scroll-padding-block": "[auto|<length-percentage>]{1,2}",
+        "scroll-padding-block-start": "auto|<length-percentage>",
+        "scroll-padding-block-end": "auto|<length-percentage>",
+        "scroll-padding-bottom": "auto|<length-percentage>",
+        "scroll-padding-inline": "[auto|<length-percentage>]{1,2}",
+        "scroll-padding-inline-start": "auto|<length-percentage>",
+        "scroll-padding-inline-end": "auto|<length-percentage>",
+        "scroll-padding-left": "auto|<length-percentage>",
+        "scroll-padding-right": "auto|<length-percentage>",
+        "scroll-padding-top": "auto|<length-percentage>",
+        "scroll-snap-align": "[none|start|end|center]{1,2}",
+        "scroll-snap-coordinate": "none|<position>#",
+        "scroll-snap-destination": "<position>",
+        "scroll-snap-points-x": "none|repeat( <length-percentage> )",
+        "scroll-snap-points-y": "none|repeat( <length-percentage> )",
+        "scroll-snap-stop": "normal|always",
+        "scroll-snap-type": "none|[x|y|block|inline|both] [mandatory|proximity]?",
+        "scroll-snap-type-x": "none|mandatory|proximity",
+        "scroll-snap-type-y": "none|mandatory|proximity",
+        "scroll-timeline": "<scroll-timeline-name>||<scroll-timeline-axis>",
+        "scroll-timeline-axis": "block|inline|vertical|horizontal",
+        "scroll-timeline-name": "none|<custom-ident>",
+        "shape-image-threshold": "<alpha-value>",
+        "shape-margin": "<length-percentage>",
+        "shape-outside": "none|[<shape-box>||<basic-shape>]|<image>",
+        "tab-size": "<integer>|<length>",
+        "table-layout": "auto|fixed",
+        "text-align": "start|end|left|right|center|justify|match-parent",
+        "text-align-last": "auto|start|end|left|right|center|justify",
+        "text-combine-upright": "none|all|[digits <integer>?]",
+        "text-decoration": "<'text-decoration-line'>||<'text-decoration-style'>||<'text-decoration-color'>||<'text-decoration-thickness'>",
+        "text-decoration-color": "<color>",
+        "text-decoration-line": "none|[underline||overline||line-through||blink]|spelling-error|grammar-error",
+        "text-decoration-skip": "none|[objects||[spaces|[leading-spaces||trailing-spaces]]||edges||box-decoration]",
+        "text-decoration-skip-ink": "auto|all|none",
+        "text-decoration-style": "solid|double|dotted|dashed|wavy",
+        "text-decoration-thickness": "auto|from-font|<length>|<percentage>",
+        "text-emphasis": "<'text-emphasis-style'>||<'text-emphasis-color'>",
+        "text-emphasis-color": "<color>",
+        "text-emphasis-position": "[over|under]&&[right|left]",
+        "text-emphasis-style": "none|[[filled|open]||[dot|circle|double-circle|triangle|sesame]]|<string>",
+        "text-indent": "<length-percentage>&&hanging?&&each-line?",
+        "text-justify": "auto|inter-character|inter-word|none",
+        "text-orientation": "mixed|upright|sideways",
+        "text-overflow": "[clip|ellipsis|<string>]{1,2}",
+        "text-rendering": "auto|optimizeSpeed|optimizeLegibility|geometricPrecision",
+        "text-shadow": "none|<shadow-t>#",
+        "text-size-adjust": "none|auto|<percentage>",
+        "text-transform": "none|capitalize|uppercase|lowercase|full-width|full-size-kana",
+        "text-underline-offset": "auto|<length>|<percentage>",
+        "text-underline-position": "auto|from-font|[under||[left|right]]",
+        "top": "<length>|<percentage>|auto",
+        "touch-action": "auto|none|[[pan-x|pan-left|pan-right]||[pan-y|pan-up|pan-down]||pinch-zoom]|manipulation",
+        "transform": "none|<transform-list>",
+        "transform-box": "content-box|border-box|fill-box|stroke-box|view-box",
+        "transform-origin": "[<length-percentage>|left|center|right|top|bottom]|[[<length-percentage>|left|center|right]&&[<length-percentage>|top|center|bottom]] <length>?",
+        "transform-style": "flat|preserve-3d",
+        "transition": "<single-transition>#",
+        "transition-delay": "<time>#",
+        "transition-duration": "<time>#",
+        "transition-property": "none|<single-transition-property>#",
+        "transition-timing-function": "<easing-function>#",
+        "translate": "none|<length-percentage> [<length-percentage> <length>?]?",
+        "unicode-bidi": "normal|embed|isolate|bidi-override|isolate-override|plaintext|-moz-isolate|-moz-isolate-override|-moz-plaintext|-webkit-isolate|-webkit-isolate-override|-webkit-plaintext",
+        "user-select": "auto|text|none|contain|all",
+        "vertical-align": "baseline|sub|super|text-top|text-bottom|middle|top|bottom|<percentage>|<length>",
+        "visibility": "visible|hidden|collapse",
+        "white-space": "normal|pre|nowrap|pre-wrap|pre-line|break-spaces",
+        "widows": "<integer>",
+        "width": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|fill|stretch|intrinsic|-moz-max-content|-webkit-max-content|-moz-fit-content|-webkit-fit-content",
+        "will-change": "auto|<animateable-feature>#",
+        "word-break": "normal|break-all|keep-all|break-word",
+        "word-spacing": "normal|<length>",
+        "word-wrap": "normal|break-word",
+        "writing-mode": "horizontal-tb|vertical-rl|vertical-lr|sideways-rl|sideways-lr|<svg-writing-mode>",
+        "z-index": "auto|<integer>",
+        "zoom": "normal|reset|<number>|<percentage>",
+        "-moz-background-clip": "padding|border",
+        "-moz-border-radius-bottomleft": "<'border-bottom-left-radius'>",
+        "-moz-border-radius-bottomright": "<'border-bottom-right-radius'>",
+        "-moz-border-radius-topleft": "<'border-top-left-radius'>",
+        "-moz-border-radius-topright": "<'border-bottom-right-radius'>",
+        "-moz-control-character-visibility": "visible|hidden",
+        "-moz-osx-font-smoothing": "auto|grayscale",
+        "-moz-user-select": "none|text|all|-moz-none",
+        "-ms-flex-align": "start|end|center|baseline|stretch",
+        "-ms-flex-item-align": "auto|start|end|center|baseline|stretch",
+        "-ms-flex-line-pack": "start|end|center|justify|distribute|stretch",
+        "-ms-flex-negative": "<'flex-shrink'>",
+        "-ms-flex-pack": "start|end|center|justify|distribute",
+        "-ms-flex-order": "<integer>",
+        "-ms-flex-positive": "<'flex-grow'>",
+        "-ms-flex-preferred-size": "<'flex-basis'>",
+        "-ms-interpolation-mode": "nearest-neighbor|bicubic",
+        "-ms-grid-column-align": "start|end|center|stretch",
+        "-ms-grid-row-align": "start|end|center|stretch",
+        "-ms-hyphenate-limit-last": "none|always|column|page|spread",
+        "-webkit-background-clip": "[<box>|border|padding|content|text]#",
+        "-webkit-column-break-after": "always|auto|avoid",
+        "-webkit-column-break-before": "always|auto|avoid",
+        "-webkit-column-break-inside": "always|auto|avoid",
+        "-webkit-font-smoothing": "auto|none|antialiased|subpixel-antialiased",
+        "-webkit-mask-box-image": "[<url>|<gradient>|none] [<length-percentage>{4} <-webkit-mask-box-repeat>{2}]?",
+        "-webkit-print-color-adjust": "economy|exact",
+        "-webkit-text-security": "none|circle|disc|square",
+        "-webkit-user-drag": "none|element|auto",
+        "-webkit-user-select": "auto|none|text|all",
+        "alignment-baseline": "auto|baseline|before-edge|text-before-edge|middle|central|after-edge|text-after-edge|ideographic|alphabetic|hanging|mathematical",
+        "baseline-shift": "baseline|sub|super|<svg-length>",
+        "behavior": "<url>+",
+        "clip-rule": "nonzero|evenodd",
+        "cue": "<'cue-before'> <'cue-after'>?",
+        "cue-after": "<url> <decibel>?|none",
+        "cue-before": "<url> <decibel>?|none",
+        "dominant-baseline": "auto|use-script|no-change|reset-size|ideographic|alphabetic|hanging|mathematical|central|middle|text-after-edge|text-before-edge",
+        "fill": "<paint>",
+        "fill-opacity": "<number-zero-one>",
+        "fill-rule": "nonzero|evenodd",
+        "glyph-orientation-horizontal": "<angle>",
+        "glyph-orientation-vertical": "<angle>",
+        "kerning": "auto|<svg-length>",
+        "marker": "none|<url>",
+        "marker-end": "none|<url>",
+        "marker-mid": "none|<url>",
+        "marker-start": "none|<url>",
+        "pause": "<'pause-before'> <'pause-after'>?",
+        "pause-after": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "pause-before": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "rest": "<'rest-before'> <'rest-after'>?",
+        "rest-after": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "rest-before": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "shape-rendering": "auto|optimizeSpeed|crispEdges|geometricPrecision",
+        "src": "[<url> [format( <string># )]?|local( <family-name> )]#",
+        "speak": "auto|none|normal",
+        "speak-as": "normal|spell-out||digits||[literal-punctuation|no-punctuation]",
+        "stroke": "<paint>",
+        "stroke-dasharray": "none|[<svg-length>+]#",
+        "stroke-dashoffset": "<svg-length>",
+        "stroke-linecap": "butt|round|square",
+        "stroke-linejoin": "miter|round|bevel",
+        "stroke-miterlimit": "<number-one-or-greater>",
+        "stroke-opacity": "<number-zero-one>",
+        "stroke-width": "<svg-length>",
+        "text-anchor": "start|middle|end",
+        "unicode-range": "<urange>#",
+        "voice-balance": "<number>|left|center|right|leftwards|rightwards",
+        "voice-duration": "auto|<time>",
+        "voice-family": "[[<family-name>|<generic-voice>] ,]* [<family-name>|<generic-voice>]|preserve",
+        "voice-pitch": "<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]",
+        "voice-range": "<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]",
+        "voice-rate": "[normal|x-slow|slow|medium|fast|x-fast]||<percentage>",
+        "voice-stress": "normal|strong|moderate|none|reduced",
+        "voice-volume": "silent|[[x-soft|soft|medium|loud|x-loud]||<decibel>]"
+    },
+    "atrules": {
+        "charset": {
+            "prelude": "<string>",
+            "descriptors": null
+        },
+        "counter-style": {
+            "prelude": "<counter-style-name>",
+            "descriptors": {
+                "additive-symbols": "[<integer>&&<symbol>]#",
+                "fallback": "<counter-style-name>",
+                "negative": "<symbol> <symbol>?",
+                "pad": "<integer>&&<symbol>",
+                "prefix": "<symbol>",
+                "range": "[[<integer>|infinite]{2}]#|auto",
+                "speak-as": "auto|bullets|numbers|words|spell-out|<counter-style-name>",
+                "suffix": "<symbol>",
+                "symbols": "<symbol>+",
+                "system": "cyclic|numeric|alphabetic|symbolic|additive|[fixed <integer>?]|[extends <counter-style-name>]"
+            }
+        },
+        "document": {
+            "prelude": "[<url>|url-prefix( <string> )|domain( <string> )|media-document( <string> )|regexp( <string> )]#",
+            "descriptors": null
+        },
+        "font-face": {
+            "prelude": null,
+            "descriptors": {
+                "ascent-override": "normal|<percentage>",
+                "descent-override": "normal|<percentage>",
+                "font-display": "[auto|block|swap|fallback|optional]",
+                "font-family": "<family-name>",
+                "font-feature-settings": "normal|<feature-tag-value>#",
+                "font-variation-settings": "normal|[<string> <number>]#",
+                "font-stretch": "<font-stretch-absolute>{1,2}",
+                "font-style": "normal|italic|oblique <angle>{0,2}",
+                "font-weight": "<font-weight-absolute>{1,2}",
+                "font-variant": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+                "line-gap-override": "normal|<percentage>",
+                "size-adjust": "<percentage>",
+                "src": "[<url> [format( <string># )]?|local( <family-name> )]#",
+                "unicode-range": "<urange>#"
+            }
+        },
+        "font-feature-values": {
+            "prelude": "<family-name>#",
+            "descriptors": null
+        },
+        "import": {
+            "prelude": "[<string>|<url>] [layer|layer( <layer-name> )]? [supports( [<supports-condition>|<declaration>] )]? <media-query-list>?",
+            "descriptors": null
+        },
+        "keyframes": {
+            "prelude": "<keyframes-name>",
+            "descriptors": null
+        },
+        "layer": {
+            "prelude": "[<layer-name>#|<layer-name>?]",
+            "descriptors": null
+        },
+        "media": {
+            "prelude": "<media-query-list>",
+            "descriptors": null
+        },
+        "namespace": {
+            "prelude": "<namespace-prefix>? [<string>|<url>]",
+            "descriptors": null
+        },
+        "page": {
+            "prelude": "<page-selector-list>",
+            "descriptors": {
+                "bleed": "auto|<length>",
+                "marks": "none|[crop||cross]",
+                "size": "<length>{1,2}|auto|[<page-size>||[portrait|landscape]]"
+            }
+        },
+        "property": {
+            "prelude": "<custom-property-name>",
+            "descriptors": {
+                "syntax": "<string>",
+                "inherits": "true|false",
+                "initial-value": "<string>"
+            }
+        },
+        "scroll-timeline": {
+            "prelude": "<timeline-name>",
+            "descriptors": null
+        },
+        "supports": {
+            "prelude": "<supports-condition>",
+            "descriptors": null
+        },
+        "viewport": {
+            "prelude": null,
+            "descriptors": {
+                "height": "<viewport-length>{1,2}",
+                "max-height": "<viewport-length>",
+                "max-width": "<viewport-length>",
+                "max-zoom": "auto|<number>|<percentage>",
+                "min-height": "<viewport-length>",
+                "min-width": "<viewport-length>",
+                "min-zoom": "auto|<number>|<percentage>",
+                "orientation": "auto|portrait|landscape",
+                "user-zoom": "zoom|fixed",
+                "viewport-fit": "auto|contain|cover",
+                "width": "<viewport-length>{1,2}",
+                "zoom": "auto|<number>|<percentage>"
+            }
+        },
+        "nest": {
+            "prelude": "<complex-selector-list>",
+            "descriptors": null
+        }
+    }
+};
+},{}],123:[function(require,module,exports){
+module.exports = "2.3.1";
+},{}],124:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.stringify = exports.parse = exports.isTraversal = void 0;
+__exportStar(require("./types"), exports);
+var parse_1 = require("./parse");
+Object.defineProperty(exports, "isTraversal", { enumerable: true, get: function () { return parse_1.isTraversal; } });
+Object.defineProperty(exports, "parse", { enumerable: true, get: function () { return parse_1.parse; } });
+var stringify_1 = require("./stringify");
+Object.defineProperty(exports, "stringify", { enumerable: true, get: function () { return stringify_1.stringify; } });
+
+},{"./parse":125,"./stringify":126,"./types":127}],125:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parse = exports.isTraversal = void 0;
+var types_1 = require("./types");
+var reName = /^[^\\#]?(?:\\(?:[\da-f]{1,6}\s?|.)|[\w\-\u00b0-\uFFFF])+/;
+var reEscape = /\\([\da-f]{1,6}\s?|(\s)|.)/gi;
+var actionTypes = new Map([
+    [126 /* Tilde */, types_1.AttributeAction.Element],
+    [94 /* Circumflex */, types_1.AttributeAction.Start],
+    [36 /* Dollar */, types_1.AttributeAction.End],
+    [42 /* Asterisk */, types_1.AttributeAction.Any],
+    [33 /* ExclamationMark */, types_1.AttributeAction.Not],
+    [124 /* Pipe */, types_1.AttributeAction.Hyphen],
+]);
+// Pseudos, whose data property is parsed as well.
+var unpackPseudos = new Set([
+    "has",
+    "not",
+    "matches",
+    "is",
+    "where",
+    "host",
+    "host-context",
+]);
+/**
+ * Checks whether a specific selector is a traversal.
+ * This is useful eg. in swapping the order of elements that
+ * are not traversals.
+ *
+ * @param selector Selector to check.
+ */
+function isTraversal(selector) {
+    switch (selector.type) {
+        case types_1.SelectorType.Adjacent:
+        case types_1.SelectorType.Child:
+        case types_1.SelectorType.Descendant:
+        case types_1.SelectorType.Parent:
+        case types_1.SelectorType.Sibling:
+        case types_1.SelectorType.ColumnCombinator:
+            return true;
+        default:
+            return false;
+    }
+}
+exports.isTraversal = isTraversal;
+var stripQuotesFromPseudos = new Set(["contains", "icontains"]);
+// Unescape function taken from https://github.com/jquery/sizzle/blob/master/src/sizzle.js#L152
+function funescape(_, escaped, escapedWhitespace) {
+    var high = parseInt(escaped, 16) - 0x10000;
+    // NaN means non-codepoint
+    return high !== high || escapedWhitespace
+        ? escaped
+        : high < 0
+            ? // BMP codepoint
+                String.fromCharCode(high + 0x10000)
+            : // Supplemental Plane codepoint (surrogate pair)
+                String.fromCharCode((high >> 10) | 0xd800, (high & 0x3ff) | 0xdc00);
+}
+function unescapeCSS(str) {
+    return str.replace(reEscape, funescape);
+}
+function isQuote(c) {
+    return c === 39 /* SingleQuote */ || c === 34 /* DoubleQuote */;
+}
+function isWhitespace(c) {
+    return (c === 32 /* Space */ ||
+        c === 9 /* Tab */ ||
+        c === 10 /* NewLine */ ||
+        c === 12 /* FormFeed */ ||
+        c === 13 /* CarriageReturn */);
+}
+/**
+ * Parses `selector`, optionally with the passed `options`.
+ *
+ * @param selector Selector to parse.
+ * @param options Options for parsing.
+ * @returns Returns a two-dimensional array.
+ * The first dimension represents selectors separated by commas (eg. `sub1, sub2`),
+ * the second contains the relevant tokens for that selector.
+ */
+function parse(selector) {
+    var subselects = [];
+    var endIndex = parseSelector(subselects, "".concat(selector), 0);
+    if (endIndex < selector.length) {
+        throw new Error("Unmatched selector: ".concat(selector.slice(endIndex)));
+    }
+    return subselects;
+}
+exports.parse = parse;
+function parseSelector(subselects, selector, selectorIndex) {
+    var tokens = [];
+    function getName(offset) {
+        var match = selector.slice(selectorIndex + offset).match(reName);
+        if (!match) {
+            throw new Error("Expected name, found ".concat(selector.slice(selectorIndex)));
+        }
+        var name = match[0];
+        selectorIndex += offset + name.length;
+        return unescapeCSS(name);
+    }
+    function stripWhitespace(offset) {
+        selectorIndex += offset;
+        while (selectorIndex < selector.length &&
+            isWhitespace(selector.charCodeAt(selectorIndex))) {
+            selectorIndex++;
+        }
+    }
+    function readValueWithParenthesis() {
+        selectorIndex += 1;
+        var start = selectorIndex;
+        var counter = 1;
+        for (; counter > 0 && selectorIndex < selector.length; selectorIndex++) {
+            if (selector.charCodeAt(selectorIndex) ===
+                40 /* LeftParenthesis */ &&
+                !isEscaped(selectorIndex)) {
+                counter++;
+            }
+            else if (selector.charCodeAt(selectorIndex) ===
+                41 /* RightParenthesis */ &&
+                !isEscaped(selectorIndex)) {
+                counter--;
+            }
+        }
+        if (counter) {
+            throw new Error("Parenthesis not matched");
+        }
+        return unescapeCSS(selector.slice(start, selectorIndex - 1));
+    }
+    function isEscaped(pos) {
+        var slashCount = 0;
+        while (selector.charCodeAt(--pos) === 92 /* BackSlash */)
+            slashCount++;
+        return (slashCount & 1) === 1;
+    }
+    function ensureNotTraversal() {
+        if (tokens.length > 0 && isTraversal(tokens[tokens.length - 1])) {
+            throw new Error("Did not expect successive traversals.");
+        }
+    }
+    function addTraversal(type) {
+        if (tokens.length > 0 &&
+            tokens[tokens.length - 1].type === types_1.SelectorType.Descendant) {
+            tokens[tokens.length - 1].type = type;
+            return;
+        }
+        ensureNotTraversal();
+        tokens.push({ type: type });
+    }
+    function addSpecialAttribute(name, action) {
+        tokens.push({
+            type: types_1.SelectorType.Attribute,
+            name: name,
+            action: action,
+            value: getName(1),
+            namespace: null,
+            ignoreCase: "quirks",
+        });
+    }
+    /**
+     * We have finished parsing the current part of the selector.
+     *
+     * Remove descendant tokens at the end if they exist,
+     * and return the last index, so that parsing can be
+     * picked up from here.
+     */
+    function finalizeSubselector() {
+        if (tokens.length &&
+            tokens[tokens.length - 1].type === types_1.SelectorType.Descendant) {
+            tokens.pop();
+        }
+        if (tokens.length === 0) {
+            throw new Error("Empty sub-selector");
+        }
+        subselects.push(tokens);
+    }
+    stripWhitespace(0);
+    if (selector.length === selectorIndex) {
+        return selectorIndex;
+    }
+    loop: while (selectorIndex < selector.length) {
+        var firstChar = selector.charCodeAt(selectorIndex);
+        switch (firstChar) {
+            // Whitespace
+            case 32 /* Space */:
+            case 9 /* Tab */:
+            case 10 /* NewLine */:
+            case 12 /* FormFeed */:
+            case 13 /* CarriageReturn */: {
+                if (tokens.length === 0 ||
+                    tokens[0].type !== types_1.SelectorType.Descendant) {
+                    ensureNotTraversal();
+                    tokens.push({ type: types_1.SelectorType.Descendant });
+                }
+                stripWhitespace(1);
+                break;
+            }
+            // Traversals
+            case 62 /* GreaterThan */: {
+                addTraversal(types_1.SelectorType.Child);
+                stripWhitespace(1);
+                break;
+            }
+            case 60 /* LessThan */: {
+                addTraversal(types_1.SelectorType.Parent);
+                stripWhitespace(1);
+                break;
+            }
+            case 126 /* Tilde */: {
+                addTraversal(types_1.SelectorType.Sibling);
+                stripWhitespace(1);
+                break;
+            }
+            case 43 /* Plus */: {
+                addTraversal(types_1.SelectorType.Adjacent);
+                stripWhitespace(1);
+                break;
+            }
+            // Special attribute selectors: .class, #id
+            case 46 /* Period */: {
+                addSpecialAttribute("class", types_1.AttributeAction.Element);
+                break;
+            }
+            case 35 /* Hash */: {
+                addSpecialAttribute("id", types_1.AttributeAction.Equals);
+                break;
+            }
+            case 91 /* LeftSquareBracket */: {
+                stripWhitespace(1);
+                // Determine attribute name and namespace
+                var name_1 = void 0;
+                var namespace = null;
+                if (selector.charCodeAt(selectorIndex) === 124 /* Pipe */) {
+                    // Equivalent to no namespace
+                    name_1 = getName(1);
+                }
+                else if (selector.startsWith("*|", selectorIndex)) {
+                    namespace = "*";
+                    name_1 = getName(2);
+                }
+                else {
+                    name_1 = getName(0);
+                    if (selector.charCodeAt(selectorIndex) === 124 /* Pipe */ &&
+                        selector.charCodeAt(selectorIndex + 1) !==
+                            61 /* Equal */) {
+                        namespace = name_1;
+                        name_1 = getName(1);
+                    }
+                }
+                stripWhitespace(0);
+                // Determine comparison operation
+                var action = types_1.AttributeAction.Exists;
+                var possibleAction = actionTypes.get(selector.charCodeAt(selectorIndex));
+                if (possibleAction) {
+                    action = possibleAction;
+                    if (selector.charCodeAt(selectorIndex + 1) !==
+                        61 /* Equal */) {
+                        throw new Error("Expected `=`");
+                    }
+                    stripWhitespace(2);
+                }
+                else if (selector.charCodeAt(selectorIndex) === 61 /* Equal */) {
+                    action = types_1.AttributeAction.Equals;
+                    stripWhitespace(1);
+                }
+                // Determine value
+                var value = "";
+                var ignoreCase = null;
+                if (action !== "exists") {
+                    if (isQuote(selector.charCodeAt(selectorIndex))) {
+                        var quote = selector.charCodeAt(selectorIndex);
+                        var sectionEnd = selectorIndex + 1;
+                        while (sectionEnd < selector.length &&
+                            (selector.charCodeAt(sectionEnd) !== quote ||
+                                isEscaped(sectionEnd))) {
+                            sectionEnd += 1;
+                        }
+                        if (selector.charCodeAt(sectionEnd) !== quote) {
+                            throw new Error("Attribute value didn't end");
+                        }
+                        value = unescapeCSS(selector.slice(selectorIndex + 1, sectionEnd));
+                        selectorIndex = sectionEnd + 1;
+                    }
+                    else {
+                        var valueStart = selectorIndex;
+                        while (selectorIndex < selector.length &&
+                            ((!isWhitespace(selector.charCodeAt(selectorIndex)) &&
+                                selector.charCodeAt(selectorIndex) !==
+                                    93 /* RightSquareBracket */) ||
+                                isEscaped(selectorIndex))) {
+                            selectorIndex += 1;
+                        }
+                        value = unescapeCSS(selector.slice(valueStart, selectorIndex));
+                    }
+                    stripWhitespace(0);
+                    // See if we have a force ignore flag
+                    var forceIgnore = selector.charCodeAt(selectorIndex) | 0x20;
+                    // If the forceIgnore flag is set (either `i` or `s`), use that value
+                    if (forceIgnore === 115 /* LowerS */) {
+                        ignoreCase = false;
+                        stripWhitespace(1);
+                    }
+                    else if (forceIgnore === 105 /* LowerI */) {
+                        ignoreCase = true;
+                        stripWhitespace(1);
+                    }
+                }
+                if (selector.charCodeAt(selectorIndex) !==
+                    93 /* RightSquareBracket */) {
+                    throw new Error("Attribute selector didn't terminate");
+                }
+                selectorIndex += 1;
+                var attributeSelector = {
+                    type: types_1.SelectorType.Attribute,
+                    name: name_1,
+                    action: action,
+                    value: value,
+                    namespace: namespace,
+                    ignoreCase: ignoreCase,
+                };
+                tokens.push(attributeSelector);
+                break;
+            }
+            case 58 /* Colon */: {
+                if (selector.charCodeAt(selectorIndex + 1) === 58 /* Colon */) {
+                    tokens.push({
+                        type: types_1.SelectorType.PseudoElement,
+                        name: getName(2).toLowerCase(),
+                        data: selector.charCodeAt(selectorIndex) ===
+                            40 /* LeftParenthesis */
+                            ? readValueWithParenthesis()
+                            : null,
+                    });
+                    continue;
+                }
+                var name_2 = getName(1).toLowerCase();
+                var data = null;
+                if (selector.charCodeAt(selectorIndex) ===
+                    40 /* LeftParenthesis */) {
+                    if (unpackPseudos.has(name_2)) {
+                        if (isQuote(selector.charCodeAt(selectorIndex + 1))) {
+                            throw new Error("Pseudo-selector ".concat(name_2, " cannot be quoted"));
+                        }
+                        data = [];
+                        selectorIndex = parseSelector(data, selector, selectorIndex + 1);
+                        if (selector.charCodeAt(selectorIndex) !==
+                            41 /* RightParenthesis */) {
+                            throw new Error("Missing closing parenthesis in :".concat(name_2, " (").concat(selector, ")"));
+                        }
+                        selectorIndex += 1;
+                    }
+                    else {
+                        data = readValueWithParenthesis();
+                        if (stripQuotesFromPseudos.has(name_2)) {
+                            var quot = data.charCodeAt(0);
+                            if (quot === data.charCodeAt(data.length - 1) &&
+                                isQuote(quot)) {
+                                data = data.slice(1, -1);
+                            }
+                        }
+                        data = unescapeCSS(data);
+                    }
+                }
+                tokens.push({ type: types_1.SelectorType.Pseudo, name: name_2, data: data });
+                break;
+            }
+            case 44 /* Comma */: {
+                finalizeSubselector();
+                tokens = [];
+                stripWhitespace(1);
+                break;
+            }
+            default: {
+                if (selector.startsWith("/*", selectorIndex)) {
+                    var endIndex = selector.indexOf("*/", selectorIndex + 2);
+                    if (endIndex < 0) {
+                        throw new Error("Comment was not terminated");
+                    }
+                    selectorIndex = endIndex + 2;
+                    // Remove leading whitespace
+                    if (tokens.length === 0) {
+                        stripWhitespace(0);
+                    }
+                    break;
+                }
+                var namespace = null;
+                var name_3 = void 0;
+                if (firstChar === 42 /* Asterisk */) {
+                    selectorIndex += 1;
+                    name_3 = "*";
+                }
+                else if (firstChar === 124 /* Pipe */) {
+                    name_3 = "";
+                    if (selector.charCodeAt(selectorIndex + 1) === 124 /* Pipe */) {
+                        addTraversal(types_1.SelectorType.ColumnCombinator);
+                        stripWhitespace(2);
+                        break;
+                    }
+                }
+                else if (reName.test(selector.slice(selectorIndex))) {
+                    name_3 = getName(0);
+                }
+                else {
+                    break loop;
+                }
+                if (selector.charCodeAt(selectorIndex) === 124 /* Pipe */ &&
+                    selector.charCodeAt(selectorIndex + 1) !== 124 /* Pipe */) {
+                    namespace = name_3;
+                    if (selector.charCodeAt(selectorIndex + 1) ===
+                        42 /* Asterisk */) {
+                        name_3 = "*";
+                        selectorIndex += 2;
+                    }
+                    else {
+                        name_3 = getName(1);
+                    }
+                }
+                tokens.push(name_3 === "*"
+                    ? { type: types_1.SelectorType.Universal, namespace: namespace }
+                    : { type: types_1.SelectorType.Tag, name: name_3, namespace: namespace });
+            }
+        }
+    }
+    finalizeSubselector();
+    return selectorIndex;
+}
+
+},{"./types":127}],126:[function(require,module,exports){
+"use strict";
+var __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
+    if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
+        if (ar || !(i in from)) {
+            if (!ar) ar = Array.prototype.slice.call(from, 0, i);
+            ar[i] = from[i];
+        }
+    }
+    return to.concat(ar || Array.prototype.slice.call(from));
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.stringify = void 0;
+var types_1 = require("./types");
+var attribValChars = ["\\", '"'];
+var pseudoValChars = __spreadArray(__spreadArray([], attribValChars, true), ["(", ")"], false);
+var charsToEscapeInAttributeValue = new Set(attribValChars.map(function (c) { return c.charCodeAt(0); }));
+var charsToEscapeInPseudoValue = new Set(pseudoValChars.map(function (c) { return c.charCodeAt(0); }));
+var charsToEscapeInName = new Set(__spreadArray(__spreadArray([], pseudoValChars, true), [
+    "~",
+    "^",
+    "$",
+    "*",
+    "+",
+    "!",
+    "|",
+    ":",
+    "[",
+    "]",
+    " ",
+    ".",
+], false).map(function (c) { return c.charCodeAt(0); }));
+/**
+ * Turns `selector` back into a string.
+ *
+ * @param selector Selector to stringify.
+ */
+function stringify(selector) {
+    return selector
+        .map(function (token) { return token.map(stringifyToken).join(""); })
+        .join(", ");
+}
+exports.stringify = stringify;
+function stringifyToken(token, index, arr) {
+    switch (token.type) {
+        // Simple types
+        case types_1.SelectorType.Child:
+            return index === 0 ? "> " : " > ";
+        case types_1.SelectorType.Parent:
+            return index === 0 ? "< " : " < ";
+        case types_1.SelectorType.Sibling:
+            return index === 0 ? "~ " : " ~ ";
+        case types_1.SelectorType.Adjacent:
+            return index === 0 ? "+ " : " + ";
+        case types_1.SelectorType.Descendant:
+            return " ";
+        case types_1.SelectorType.ColumnCombinator:
+            return index === 0 ? "|| " : " || ";
+        case types_1.SelectorType.Universal:
+            // Return an empty string if the selector isn't needed.
+            return token.namespace === "*" &&
+                index + 1 < arr.length &&
+                "name" in arr[index + 1]
+                ? ""
+                : "".concat(getNamespace(token.namespace), "*");
+        case types_1.SelectorType.Tag:
+            return getNamespacedName(token);
+        case types_1.SelectorType.PseudoElement:
+            return "::".concat(escapeName(token.name, charsToEscapeInName)).concat(token.data === null
+                ? ""
+                : "(".concat(escapeName(token.data, charsToEscapeInPseudoValue), ")"));
+        case types_1.SelectorType.Pseudo:
+            return ":".concat(escapeName(token.name, charsToEscapeInName)).concat(token.data === null
+                ? ""
+                : "(".concat(typeof token.data === "string"
+                    ? escapeName(token.data, charsToEscapeInPseudoValue)
+                    : stringify(token.data), ")"));
+        case types_1.SelectorType.Attribute: {
+            if (token.name === "id" &&
+                token.action === types_1.AttributeAction.Equals &&
+                token.ignoreCase === "quirks" &&
+                !token.namespace) {
+                return "#".concat(escapeName(token.value, charsToEscapeInName));
+            }
+            if (token.name === "class" &&
+                token.action === types_1.AttributeAction.Element &&
+                token.ignoreCase === "quirks" &&
+                !token.namespace) {
+                return ".".concat(escapeName(token.value, charsToEscapeInName));
+            }
+            var name_1 = getNamespacedName(token);
+            if (token.action === types_1.AttributeAction.Exists) {
+                return "[".concat(name_1, "]");
+            }
+            return "[".concat(name_1).concat(getActionValue(token.action), "=\"").concat(escapeName(token.value, charsToEscapeInAttributeValue), "\"").concat(token.ignoreCase === null ? "" : token.ignoreCase ? " i" : " s", "]");
+        }
+    }
+}
+function getActionValue(action) {
+    switch (action) {
+        case types_1.AttributeAction.Equals:
+            return "";
+        case types_1.AttributeAction.Element:
+            return "~";
+        case types_1.AttributeAction.Start:
+            return "^";
+        case types_1.AttributeAction.End:
+            return "$";
+        case types_1.AttributeAction.Any:
+            return "*";
+        case types_1.AttributeAction.Not:
+            return "!";
+        case types_1.AttributeAction.Hyphen:
+            return "|";
+        case types_1.AttributeAction.Exists:
+            throw new Error("Shouldn't be here");
+    }
+}
+function getNamespacedName(token) {
+    return "".concat(getNamespace(token.namespace)).concat(escapeName(token.name, charsToEscapeInName));
+}
+function getNamespace(namespace) {
+    return namespace !== null
+        ? "".concat(namespace === "*"
+            ? "*"
+            : escapeName(namespace, charsToEscapeInName), "|")
+        : "";
+}
+function escapeName(str, charsToEscape) {
+    var lastIdx = 0;
+    var ret = "";
+    for (var i = 0; i < str.length; i++) {
+        if (charsToEscape.has(str.charCodeAt(i))) {
+            ret += "".concat(str.slice(lastIdx, i), "\\").concat(str.charAt(i));
+            lastIdx = i + 1;
+        }
+    }
+    return ret.length > 0 ? ret + str.slice(lastIdx) : str;
+}
+
+},{"./types":127}],127:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.AttributeAction = exports.IgnoreCaseMode = exports.SelectorType = void 0;
+var SelectorType;
+(function (SelectorType) {
+    SelectorType["Attribute"] = "attribute";
+    SelectorType["Pseudo"] = "pseudo";
+    SelectorType["PseudoElement"] = "pseudo-element";
+    SelectorType["Tag"] = "tag";
+    SelectorType["Universal"] = "universal";
+    // Traversals
+    SelectorType["Adjacent"] = "adjacent";
+    SelectorType["Child"] = "child";
+    SelectorType["Descendant"] = "descendant";
+    SelectorType["Parent"] = "parent";
+    SelectorType["Sibling"] = "sibling";
+    SelectorType["ColumnCombinator"] = "column-combinator";
+})(SelectorType = exports.SelectorType || (exports.SelectorType = {}));
+/**
+ * Modes for ignore case.
+ *
+ * This could be updated to an enum, and the object is
+ * the current stand-in that will allow code to be updated
+ * without big changes.
+ */
+exports.IgnoreCaseMode = {
+    Unknown: null,
+    QuirksMode: "quirks",
+    IgnoreCase: true,
+    CaseSensitive: false,
+};
+var AttributeAction;
+(function (AttributeAction) {
+    AttributeAction["Any"] = "any";
+    AttributeAction["Element"] = "element";
+    AttributeAction["End"] = "end";
+    AttributeAction["Equals"] = "equals";
+    AttributeAction["Exists"] = "exists";
+    AttributeAction["Hyphen"] = "hyphen";
+    AttributeAction["Not"] = "not";
+    AttributeAction["Start"] = "start";
+})(AttributeAction = exports.AttributeAction || (exports.AttributeAction = {}));
+
+},{}],128:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const utils = require('./utils.cjs');
+
+function cleanAtrule(node, item, list) {
+    if (node.block) {
+        // otherwise removed at-rule don't prevent @import for removal
+        if (this.stylesheet !== null) {
+            this.stylesheet.firstAtrulesAllowed = false;
+        }
+
+        if (utils.hasNoChildren(node.block)) {
+            list.remove(item);
+            return;
+        }
+    }
+
+    switch (node.name) {
+        case 'charset':
+            if (utils.hasNoChildren(node.prelude)) {
+                list.remove(item);
+                return;
+            }
+
+            // if there is any rule before @charset -> remove it
+            if (item.prev) {
+                list.remove(item);
+                return;
+            }
+
+            break;
+
+        case 'import':
+            if (this.stylesheet === null || !this.stylesheet.firstAtrulesAllowed) {
+                list.remove(item);
+                return;
+            }
+
+            // if there are some rules that not an @import or @charset before @import
+            // remove it
+            list.prevUntil(item.prev, function(rule) {
+                if (rule.type === 'Atrule') {
+                    if (rule.name === 'import' || rule.name === 'charset') {
+                        return;
+                    }
+                }
+
+                this.root.firstAtrulesAllowed = false;
+                list.remove(item);
+
+                return true;
+            }, this);
+
+            break;
+
+        default: {
+            const name = cssTree.keyword(node.name).basename;
+
+            if (name === 'keyframes' ||
+                name === 'media' ||
+                name === 'supports') {
+
+                // drop at-rule with no prelude
+                if (utils.hasNoChildren(node.prelude) || utils.hasNoChildren(node.block)) {
+                    list.remove(item);
+                }
+            }
+        }
+    }
+}
+
+module.exports = cleanAtrule;
+
+},{"./utils.cjs":136,"css-tree":180}],129:[function(require,module,exports){
+'use strict';
+
+function cleanComment(data, item, list) {
+    list.remove(item);
+}
+
+module.exports = cleanComment;
+
+},{}],130:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+function cleanDeclartion(node, item, list) {
+    if (node.value.children && node.value.children.isEmpty) {
+        list.remove(item);
+        return;
+    }
+
+    if (cssTree.property(node.property).custom) {
+        if (/\S/.test(node.value.value)) {
+            node.value.value = node.value.value.trim();
+        }
+    }
+}
+
+module.exports = cleanDeclartion;
+
+},{"css-tree":180}],131:[function(require,module,exports){
+'use strict';
+
+const utils = require('./utils.cjs');
+
+function cleanRaw(node, item, list) {
+    // raw in stylesheet or block children
+    if (utils.isNodeChildrenList(this.stylesheet, list) ||
+        utils.isNodeChildrenList(this.block, list)) {
+        list.remove(item);
+    }
+}
+
+module.exports = cleanRaw;
+
+},{"./utils.cjs":136}],132:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const utils = require('./utils.cjs');
+
+const { hasOwnProperty } = Object.prototype;
+const skipUsageFilteringAtrule = new Set(['keyframes']);
+
+function cleanUnused(selectorList, usageData) {
+    selectorList.children.forEach((selector, item, list) => {
+        let shouldRemove = false;
+
+        cssTree.walk(selector, function(node) {
+            // ignore nodes in nested selectors
+            if (this.selector === null || this.selector === selectorList) {
+                switch (node.type) {
+                    case 'SelectorList':
+                        // TODO: remove toLowerCase when pseudo selectors will be normalized
+                        // ignore selectors inside :not()
+                        if (this.function === null || this.function.name.toLowerCase() !== 'not') {
+                            if (cleanUnused(node, usageData)) {
+                                shouldRemove = true;
+                            }
+                        }
+                        break;
+
+                    case 'ClassSelector':
+                        if (usageData.whitelist !== null &&
+                            usageData.whitelist.classes !== null &&
+                            !hasOwnProperty.call(usageData.whitelist.classes, node.name)) {
+                            shouldRemove = true;
+                        }
+                        if (usageData.blacklist !== null &&
+                            usageData.blacklist.classes !== null &&
+                            hasOwnProperty.call(usageData.blacklist.classes, node.name)) {
+                            shouldRemove = true;
+                        }
+                        break;
+
+                    case 'IdSelector':
+                        if (usageData.whitelist !== null &&
+                            usageData.whitelist.ids !== null &&
+                            !hasOwnProperty.call(usageData.whitelist.ids, node.name)) {
+                            shouldRemove = true;
+                        }
+                        if (usageData.blacklist !== null &&
+                            usageData.blacklist.ids !== null &&
+                            hasOwnProperty.call(usageData.blacklist.ids, node.name)) {
+                            shouldRemove = true;
+                        }
+                        break;
+
+                    case 'TypeSelector':
+                        // TODO: remove toLowerCase when type selectors will be normalized
+                        // ignore universal selectors
+                        if (node.name.charAt(node.name.length - 1) !== '*') {
+                            if (usageData.whitelist !== null &&
+                                usageData.whitelist.tags !== null &&
+                                !hasOwnProperty.call(usageData.whitelist.tags, node.name.toLowerCase())) {
+                                shouldRemove = true;
+                            }
+                            if (usageData.blacklist !== null &&
+                                usageData.blacklist.tags !== null &&
+                                hasOwnProperty.call(usageData.blacklist.tags, node.name.toLowerCase())) {
+                                shouldRemove = true;
+                            }
+                        }
+                        break;
+                }
+            }
+        });
+
+        if (shouldRemove) {
+            list.remove(item);
+        }
+    });
+
+    return selectorList.children.isEmpty;
+}
+
+function cleanRule(node, item, list, options) {
+    if (utils.hasNoChildren(node.prelude) || utils.hasNoChildren(node.block)) {
+        list.remove(item);
+        return;
+    }
+
+    // avoid usage filtering for some at-rules
+    if (this.atrule && skipUsageFilteringAtrule.has(cssTree.keyword(this.atrule.name).basename)) {
+        return;
+    }
+
+    const { usage } = options;
+
+    if (usage && (usage.whitelist !== null || usage.blacklist !== null)) {
+        cleanUnused(node.prelude, usage);
+
+        if (utils.hasNoChildren(node.prelude)) {
+            list.remove(item);
+            return;
+        }
+    }
+}
+
+module.exports = cleanRule;
+
+},{"./utils.cjs":136,"css-tree":180}],133:[function(require,module,exports){
+'use strict';
+
+// remove useless universal selector
+function cleanTypeSelector(node, item, list) {
+    const name = item.data.name;
+
+    // check it's a non-namespaced universal selector
+    if (name !== '*') {
+        return;
+    }
+
+    // remove when universal selector before other selectors
+    const nextType = item.next && item.next.data.type;
+    if (nextType === 'IdSelector' ||
+        nextType === 'ClassSelector' ||
+        nextType === 'AttributeSelector' ||
+        nextType === 'PseudoClassSelector' ||
+        nextType === 'PseudoElementSelector') {
+        list.remove(item);
+    }
+}
+
+module.exports = cleanTypeSelector;
+
+},{}],134:[function(require,module,exports){
+'use strict';
+
+function cleanWhitespace(node, item, list) {
+    list.remove(item);
+}
+
+module.exports = cleanWhitespace;
+
+},{}],135:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const Atrule = require('./Atrule.cjs');
+const Comment = require('./Comment.cjs');
+const Declaration = require('./Declaration.cjs');
+const Raw = require('./Raw.cjs');
+const Rule = require('./Rule.cjs');
+const TypeSelector = require('./TypeSelector.cjs');
+const WhiteSpace = require('./WhiteSpace.cjs');
+
+const handlers = {
+    Atrule,
+    Comment,
+    Declaration,
+    Raw,
+    Rule,
+    TypeSelector,
+    WhiteSpace
+};
+
+function clean(ast, options) {
+    cssTree.walk(ast, {
+        leave(node, item, list) {
+            if (handlers.hasOwnProperty(node.type)) {
+                handlers[node.type].call(this, node, item, list, options);
+            }
+        }
+    });
+}
+
+module.exports = clean;
+
+},{"./Atrule.cjs":128,"./Comment.cjs":129,"./Declaration.cjs":130,"./Raw.cjs":131,"./Rule.cjs":132,"./TypeSelector.cjs":133,"./WhiteSpace.cjs":134,"css-tree":180}],136:[function(require,module,exports){
+'use strict';
+
+function hasNoChildren(node) {
+    return !node || !node.children || node.children.isEmpty;
+}
+
+function isNodeChildrenList(node, list) {
+    return node !== null && node.children === list;
+}
+
+exports.hasNoChildren = hasNoChildren;
+exports.isNodeChildrenList = isNodeChildrenList;
+
+},{}],137:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const usage = require('./usage.cjs');
+const index = require('./clean/index.cjs');
+const index$1 = require('./replace/index.cjs');
+const index$2 = require('./restructure/index.cjs');
+
+function readChunk(input, specialComments) {
+    const children = new cssTree.List();
+    let nonSpaceTokenInBuffer = false;
+    let protectedComment;
+
+    input.nextUntil(input.head, (node, item, list) => {
+        if (node.type === 'Comment') {
+            if (!specialComments || node.value.charAt(0) !== '!') {
+                list.remove(item);
+                return;
+            }
+
+            if (nonSpaceTokenInBuffer || protectedComment) {
+                return true;
+            }
+
+            list.remove(item);
+            protectedComment = node;
+
+            return;
+        }
+
+        if (node.type !== 'WhiteSpace') {
+            nonSpaceTokenInBuffer = true;
+        }
+
+        children.insert(list.remove(item));
+    });
+
+    return {
+        comment: protectedComment,
+        stylesheet: {
+            type: 'StyleSheet',
+            loc: null,
+            children
+        }
+    };
+}
+
+function compressChunk(ast, firstAtrulesAllowed, num, options) {
+    options.logger(`Compress block #${num}`, null, true);
+
+    let seed = 1;
+
+    if (ast.type === 'StyleSheet') {
+        ast.firstAtrulesAllowed = firstAtrulesAllowed;
+        ast.id = seed++;
+    }
+
+    cssTree.walk(ast, {
+        visit: 'Atrule',
+        enter(node) {
+            if (node.block !== null) {
+                node.block.id = seed++;
+            }
+        }
+    });
+    options.logger('init', ast);
+
+    // remove redundant
+    index(ast, options);
+    options.logger('clean', ast);
+
+    // replace nodes for shortened forms
+    index$1(ast);
+    options.logger('replace', ast);
+
+    // structure optimisations
+    if (options.restructuring) {
+        index$2(ast, options);
+    }
+
+    return ast;
+}
+
+function getCommentsOption(options) {
+    let comments = 'comments' in options ? options.comments : 'exclamation';
+
+    if (typeof comments === 'boolean') {
+        comments = comments ? 'exclamation' : false;
+    } else if (comments !== 'exclamation' && comments !== 'first-exclamation') {
+        comments = false;
+    }
+
+    return comments;
+}
+
+function getRestructureOption(options) {
+    if ('restructure' in options) {
+        return options.restructure;
+    }
+
+    return 'restructuring' in options ? options.restructuring : true;
+}
+
+function wrapBlock(block) {
+    return new cssTree.List().appendData({
+        type: 'Rule',
+        loc: null,
+        prelude: {
+            type: 'SelectorList',
+            loc: null,
+            children: new cssTree.List().appendData({
+                type: 'Selector',
+                loc: null,
+                children: new cssTree.List().appendData({
+                    type: 'TypeSelector',
+                    loc: null,
+                    name: 'x'
+                })
+            })
+        },
+        block
+    });
+}
+
+function compress(ast, options) {
+    ast = ast || { type: 'StyleSheet', loc: null, children: new cssTree.List() };
+    options = options || {};
+
+    const compressOptions = {
+        logger: typeof options.logger === 'function' ? options.logger : function() {},
+        restructuring: getRestructureOption(options),
+        forceMediaMerge: Boolean(options.forceMediaMerge),
+        usage: options.usage ? usage.buildIndex(options.usage) : false
+    };
+    const output = new cssTree.List();
+    let specialComments = getCommentsOption(options);
+    let firstAtrulesAllowed = true;
+    let input;
+    let chunk;
+    let chunkNum = 1;
+    let chunkChildren;
+
+    if (options.clone) {
+        ast = cssTree.clone(ast);
+    }
+
+    if (ast.type === 'StyleSheet') {
+        input = ast.children;
+        ast.children = output;
+    } else {
+        input = wrapBlock(ast);
+    }
+
+    do {
+        chunk = readChunk(input, Boolean(specialComments));
+        compressChunk(chunk.stylesheet, firstAtrulesAllowed, chunkNum++, compressOptions);
+        chunkChildren = chunk.stylesheet.children;
+
+        if (chunk.comment) {
+            // add \n before comment if there is another content in output
+            if (!output.isEmpty) {
+                output.insert(cssTree.List.createItem({
+                    type: 'Raw',
+                    value: '\n'
+                }));
+            }
+
+            output.insert(cssTree.List.createItem(chunk.comment));
+
+            // add \n after comment if chunk is not empty
+            if (!chunkChildren.isEmpty) {
+                output.insert(cssTree.List.createItem({
+                    type: 'Raw',
+                    value: '\n'
+                }));
+            }
+        }
+
+        if (firstAtrulesAllowed && !chunkChildren.isEmpty) {
+            const lastRule = chunkChildren.last;
+
+            if (lastRule.type !== 'Atrule' ||
+               (lastRule.name !== 'import' && lastRule.name !== 'charset')) {
+                firstAtrulesAllowed = false;
+            }
+        }
+
+        if (specialComments !== 'exclamation') {
+            specialComments = false;
+        }
+
+        output.appendList(chunkChildren);
+    } while (!input.isEmpty);
+
+    return {
+        ast
+    };
+}
+
+module.exports = compress;
+
+},{"./clean/index.cjs":135,"./replace/index.cjs":148,"./restructure/index.cjs":160,"./usage.cjs":167,"css-tree":180}],138:[function(require,module,exports){
+'use strict';
+
+const version = require('./version.cjs');
+const syntax = require('./syntax.cjs');
+const utils = require('./utils.cjs');
+
+const { parse, generate, compress } = syntax;
+
+function debugOutput(name, options, startTime, data) {
+    if (options.debug) {
+        console.error(`## ${name} done in %d ms\n`, Date.now() - startTime);
+    }
+
+    return data;
+}
+
+function createDefaultLogger(level) {
+    let lastDebug;
+
+    return function logger(title, ast) {
+        let line = title;
+
+        if (ast) {
+            line = `[${((Date.now() - lastDebug) / 1000).toFixed(3)}s] ${line}`;
+        }
+
+        if (level > 1 && ast) {
+            let css = generate(ast);
+
+            // when level 2, limit css to 256 symbols
+            if (level === 2 && css.length > 256) {
+                css = css.substr(0, 256) + '...';
+            }
+
+            line += `\n  ${css}\n`;
+        }
+
+        console.error(line);
+        lastDebug = Date.now();
+    };
+}
+
+function buildCompressOptions(options) {
+    options = { ...options };
+
+    if (typeof options.logger !== 'function' && options.debug) {
+        options.logger = createDefaultLogger(options.debug);
+    }
+
+    return options;
+}
+
+function runHandler(ast, options, handlers) {
+    if (!Array.isArray(handlers)) {
+        handlers = [handlers];
+    }
+
+    handlers.forEach(fn => fn(ast, options));
+}
+
+function minify(context, source, options) {
+    options = options || {};
+
+    const filename = options.filename || '<unknown>';
+    let result;
+
+    // parse
+    const ast = debugOutput('parsing', options, Date.now(),
+        parse(source, {
+            context,
+            filename,
+            positions: Boolean(options.sourceMap)
+        })
+    );
+
+    // before compress handlers
+    if (options.beforeCompress) {
+        debugOutput('beforeCompress', options, Date.now(),
+            runHandler(ast, options, options.beforeCompress)
+        );
+    }
+
+    // compress
+    const compressResult = debugOutput('compress', options, Date.now(),
+        compress(ast, buildCompressOptions(options))
+    );
+
+    // after compress handlers
+    if (options.afterCompress) {
+        debugOutput('afterCompress', options, Date.now(),
+            runHandler(compressResult, options, options.afterCompress)
+        );
+    }
+
+    // generate
+    if (options.sourceMap) {
+        result = debugOutput('generate(sourceMap: true)', options, Date.now(), (() => {
+            const tmp = generate(compressResult.ast, { sourceMap: true });
+
+            tmp.map._file = filename; // since other tools can relay on file in source map transform chain
+            tmp.map.setSourceContent(filename, source);
+
+            return tmp;
+        })());
+    } else {
+        result = debugOutput('generate', options, Date.now(), {
+            css: generate(compressResult.ast),
+            map: null
+        });
+    }
+
+    return result;
+}
+
+function minifyStylesheet(source, options) {
+    return minify('stylesheet', source, options);
+}
+
+function minifyBlock(source, options) {
+    return minify('declarationList', source, options);
+}
+
+exports.version = version.version;
+exports.syntax = syntax;
+exports.utils = utils;
+exports.minify = minifyStylesheet;
+exports.minifyBlock = minifyBlock;
+
+},{"./syntax.cjs":166,"./utils.cjs":168,"./version.cjs":169}],139:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const keyframes = require('./atrule/keyframes.cjs');
+
+function Atrule(node) {
+    // compress @keyframe selectors
+    if (cssTree.keyword(node.name).basename === 'keyframes') {
+        keyframes(node);
+    }
+}
+
+module.exports = Atrule;
+
+},{"./atrule/keyframes.cjs":146,"css-tree":180}],140:[function(require,module,exports){
+'use strict';
+
+// Can unquote attribute detection
+// Adopted implementation of Mathias Bynens
+// https://github.com/mathiasbynens/mothereff.in/blob/master/unquoted-attributes/eff.js
+const blockUnquoteRx = /^(-?\d|--)|[\u0000-\u002c\u002e\u002f\u003A-\u0040\u005B-\u005E\u0060\u007B-\u009f]/;
+
+function canUnquote(value) {
+    if (value === '' || value === '-') {
+        return false;
+    }
+
+    return !blockUnquoteRx.test(value);
+}
+
+function AttributeSelector(node) {
+    const attrValue = node.value;
+
+    if (!attrValue || attrValue.type !== 'String') {
+        return;
+    }
+
+    if (canUnquote(attrValue.value)) {
+        node.value = {
+            type: 'Identifier',
+            loc: attrValue.loc,
+            name: attrValue.value
+        };
+    }
+}
+
+module.exports = AttributeSelector;
+
+},{}],141:[function(require,module,exports){
+'use strict';
+
+const _Number = require('./Number.cjs');
+
+const MATH_FUNCTIONS = new Set([
+    'calc',
+    'min',
+    'max',
+    'clamp'
+]);
+const LENGTH_UNIT = new Set([
+    // absolute length units
+    'px',
+    'mm',
+    'cm',
+    'in',
+    'pt',
+    'pc',
+
+    // relative length units
+    'em',
+    'ex',
+    'ch',
+    'rem',
+
+    // viewport-percentage lengths
+    'vh',
+    'vw',
+    'vmin',
+    'vmax',
+    'vm'
+]);
+
+function compressDimension(node, item) {
+    const value = _Number.packNumber(node.value);
+
+    node.value = value;
+
+    if (value === '0' && this.declaration !== null && this.atrulePrelude === null) {
+        const unit = node.unit.toLowerCase();
+
+        // only length values can be compressed
+        if (!LENGTH_UNIT.has(unit)) {
+            return;
+        }
+
+        // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11
+        // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11
+        if (this.declaration.property === '-ms-flex' ||
+            this.declaration.property === 'flex') {
+            return;
+        }
+
+        // issue #222: don't remove units inside calc
+        if (this.function && MATH_FUNCTIONS.has(this.function.name)) {
+            return;
+        }
+
+        item.data = {
+            type: 'Number',
+            loc: node.loc,
+            value
+        };
+    }
+}
+
+module.exports = compressDimension;
+
+},{"./Number.cjs":142}],142:[function(require,module,exports){
+'use strict';
+
+const OMIT_PLUSSIGN = /^(?:\+|(-))?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
+const KEEP_PLUSSIGN = /^([\+\-])?0*(\d*)(?:\.0*|(\.\d*?)0*)?$/;
+const unsafeToRemovePlusSignAfter = new Set([
+    'Dimension',
+    'Hash',
+    'Identifier',
+    'Number',
+    'Raw',
+    'UnicodeRange'
+]);
+
+function packNumber(value, item) {
+    // omit plus sign only if no prev or prev is safe type
+    const regexp = item && item.prev !== null && unsafeToRemovePlusSignAfter.has(item.prev.data.type)
+        ? KEEP_PLUSSIGN
+        : OMIT_PLUSSIGN;
+
+    // 100 -> '100'
+    // 00100 -> '100'
+    // +100 -> '100'
+    // -100 -> '-100'
+    // 0.123 -> '.123'
+    // 0.12300 -> '.123'
+    // 0.0 -> ''
+    // 0 -> ''
+    // -0 -> '-'
+    value = String(value).replace(regexp, '$1$2$3');
+
+    if (value === '' || value === '-') {
+        value = '0';
+    }
+    // FIXME: is it solution simplier?
+    // value = String(Number(value)).replace(/^(-?)0+\./, '$1.');
+
+    return value;
+}
+
+function Number(node) {
+    node.value = packNumber(node.value);
+}
+
+exports.Number = Number;
+exports.packNumber = packNumber;
+
+},{}],143:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const _Number = require('./Number.cjs');
+
+const blacklist = new Set([
+    // see https://github.com/jakubpawlowicz/clean-css/issues/957
+    'width',
+    'min-width',
+    'max-width',
+    'height',
+    'min-height',
+    'max-height',
+
+    // issue #410: Don’t remove units in flex-basis value for (-ms-)flex shorthand
+    // issue #362: shouldn't remove unit in -ms-flex since it breaks flex in IE10/11
+    // issue #200: shouldn't remove unit in flex since it breaks flex in IE10/11
+    'flex',
+    '-ms-flex'
+]);
+
+function compressPercentage(node, item) {
+    node.value = _Number.packNumber(node.value);
+
+    if (node.value === '0' && this.declaration && !blacklist.has(this.declaration.property)) {
+        // try to convert a number
+        item.data = {
+            type: 'Number',
+            loc: node.loc,
+            value: node.value
+        };
+
+        // that's ok only when new value matches on length
+        if (!cssTree.lexer.matchDeclaration(this.declaration).isType(item.data, 'length')) {
+            // otherwise rollback changes
+            item.data = node;
+        }
+    }
+}
+
+module.exports = compressPercentage;
+
+},{"./Number.cjs":142,"css-tree":180}],144:[function(require,module,exports){
+'use strict';
+
+function Url(node) {
+    // convert `\\` to `/`
+    node.value = node.value.replace(/\\/g, '/');
+}
+
+module.exports = Url;
+
+},{}],145:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const font = require('./property/font.cjs');
+const fontWeight = require('./property/font-weight.cjs');
+const background = require('./property/background.cjs');
+const border = require('./property/border.cjs');
+
+const handlers = {
+    'font': font,
+    'font-weight': fontWeight,
+    'background': background,
+    'border': border,
+    'outline': border
+};
+
+function compressValue(node) {
+    if (!this.declaration) {
+        return;
+    }
+
+    const property = cssTree.property(this.declaration.property);
+
+    if (handlers.hasOwnProperty(property.basename)) {
+        handlers[property.basename](node);
+    }
+}
+
+module.exports = compressValue;
+
+},{"./property/background.cjs":149,"./property/border.cjs":150,"./property/font-weight.cjs":151,"./property/font.cjs":152,"css-tree":180}],146:[function(require,module,exports){
+'use strict';
+
+function compressKeyframes(node) {
+    node.block.children.forEach((rule) => {
+        rule.prelude.children.forEach((simpleselector) => {
+            simpleselector.children.forEach((data, item) => {
+                if (data.type === 'Percentage' && data.value === '100') {
+                    item.data = {
+                        type: 'TypeSelector',
+                        loc: data.loc,
+                        name: 'to'
+                    };
+                } else if (data.type === 'TypeSelector' && data.name === 'from') {
+                    item.data = {
+                        type: 'Percentage',
+                        loc: data.loc,
+                        value: '0'
+                    };
+                }
+            });
+        });
+    });
+}
+
+module.exports = compressKeyframes;
+
+},{}],147:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const _Number = require('./Number.cjs');
+
+// http://www.w3.org/TR/css3-color/#svg-color
+const NAME_TO_HEX = {
+    'aliceblue': 'f0f8ff',
+    'antiquewhite': 'faebd7',
+    'aqua': '0ff',
+    'aquamarine': '7fffd4',
+    'azure': 'f0ffff',
+    'beige': 'f5f5dc',
+    'bisque': 'ffe4c4',
+    'black': '000',
+    'blanchedalmond': 'ffebcd',
+    'blue': '00f',
+    'blueviolet': '8a2be2',
+    'brown': 'a52a2a',
+    'burlywood': 'deb887',
+    'cadetblue': '5f9ea0',
+    'chartreuse': '7fff00',
+    'chocolate': 'd2691e',
+    'coral': 'ff7f50',
+    'cornflowerblue': '6495ed',
+    'cornsilk': 'fff8dc',
+    'crimson': 'dc143c',
+    'cyan': '0ff',
+    'darkblue': '00008b',
+    'darkcyan': '008b8b',
+    'darkgoldenrod': 'b8860b',
+    'darkgray': 'a9a9a9',
+    'darkgrey': 'a9a9a9',
+    'darkgreen': '006400',
+    'darkkhaki': 'bdb76b',
+    'darkmagenta': '8b008b',
+    'darkolivegreen': '556b2f',
+    'darkorange': 'ff8c00',
+    'darkorchid': '9932cc',
+    'darkred': '8b0000',
+    'darksalmon': 'e9967a',
+    'darkseagreen': '8fbc8f',
+    'darkslateblue': '483d8b',
+    'darkslategray': '2f4f4f',
+    'darkslategrey': '2f4f4f',
+    'darkturquoise': '00ced1',
+    'darkviolet': '9400d3',
+    'deeppink': 'ff1493',
+    'deepskyblue': '00bfff',
+    'dimgray': '696969',
+    'dimgrey': '696969',
+    'dodgerblue': '1e90ff',
+    'firebrick': 'b22222',
+    'floralwhite': 'fffaf0',
+    'forestgreen': '228b22',
+    'fuchsia': 'f0f',
+    'gainsboro': 'dcdcdc',
+    'ghostwhite': 'f8f8ff',
+    'gold': 'ffd700',
+    'goldenrod': 'daa520',
+    'gray': '808080',
+    'grey': '808080',
+    'green': '008000',
+    'greenyellow': 'adff2f',
+    'honeydew': 'f0fff0',
+    'hotpink': 'ff69b4',
+    'indianred': 'cd5c5c',
+    'indigo': '4b0082',
+    'ivory': 'fffff0',
+    'khaki': 'f0e68c',
+    'lavender': 'e6e6fa',
+    'lavenderblush': 'fff0f5',
+    'lawngreen': '7cfc00',
+    'lemonchiffon': 'fffacd',
+    'lightblue': 'add8e6',
+    'lightcoral': 'f08080',
+    'lightcyan': 'e0ffff',
+    'lightgoldenrodyellow': 'fafad2',
+    'lightgray': 'd3d3d3',
+    'lightgrey': 'd3d3d3',
+    'lightgreen': '90ee90',
+    'lightpink': 'ffb6c1',
+    'lightsalmon': 'ffa07a',
+    'lightseagreen': '20b2aa',
+    'lightskyblue': '87cefa',
+    'lightslategray': '789',
+    'lightslategrey': '789',
+    'lightsteelblue': 'b0c4de',
+    'lightyellow': 'ffffe0',
+    'lime': '0f0',
+    'limegreen': '32cd32',
+    'linen': 'faf0e6',
+    'magenta': 'f0f',
+    'maroon': '800000',
+    'mediumaquamarine': '66cdaa',
+    'mediumblue': '0000cd',
+    'mediumorchid': 'ba55d3',
+    'mediumpurple': '9370db',
+    'mediumseagreen': '3cb371',
+    'mediumslateblue': '7b68ee',
+    'mediumspringgreen': '00fa9a',
+    'mediumturquoise': '48d1cc',
+    'mediumvioletred': 'c71585',
+    'midnightblue': '191970',
+    'mintcream': 'f5fffa',
+    'mistyrose': 'ffe4e1',
+    'moccasin': 'ffe4b5',
+    'navajowhite': 'ffdead',
+    'navy': '000080',
+    'oldlace': 'fdf5e6',
+    'olive': '808000',
+    'olivedrab': '6b8e23',
+    'orange': 'ffa500',
+    'orangered': 'ff4500',
+    'orchid': 'da70d6',
+    'palegoldenrod': 'eee8aa',
+    'palegreen': '98fb98',
+    'paleturquoise': 'afeeee',
+    'palevioletred': 'db7093',
+    'papayawhip': 'ffefd5',
+    'peachpuff': 'ffdab9',
+    'peru': 'cd853f',
+    'pink': 'ffc0cb',
+    'plum': 'dda0dd',
+    'powderblue': 'b0e0e6',
+    'purple': '800080',
+    'rebeccapurple': '639',
+    'red': 'f00',
+    'rosybrown': 'bc8f8f',
+    'royalblue': '4169e1',
+    'saddlebrown': '8b4513',
+    'salmon': 'fa8072',
+    'sandybrown': 'f4a460',
+    'seagreen': '2e8b57',
+    'seashell': 'fff5ee',
+    'sienna': 'a0522d',
+    'silver': 'c0c0c0',
+    'skyblue': '87ceeb',
+    'slateblue': '6a5acd',
+    'slategray': '708090',
+    'slategrey': '708090',
+    'snow': 'fffafa',
+    'springgreen': '00ff7f',
+    'steelblue': '4682b4',
+    'tan': 'd2b48c',
+    'teal': '008080',
+    'thistle': 'd8bfd8',
+    'tomato': 'ff6347',
+    'turquoise': '40e0d0',
+    'violet': 'ee82ee',
+    'wheat': 'f5deb3',
+    'white': 'fff',
+    'whitesmoke': 'f5f5f5',
+    'yellow': 'ff0',
+    'yellowgreen': '9acd32'
+};
+
+const HEX_TO_NAME = {
+    '800000': 'maroon',
+    '800080': 'purple',
+    '808000': 'olive',
+    '808080': 'gray',
+    '00ffff': 'cyan',
+    'f0ffff': 'azure',
+    'f5f5dc': 'beige',
+    'ffe4c4': 'bisque',
+    '000000': 'black',
+    '0000ff': 'blue',
+    'a52a2a': 'brown',
+    'ff7f50': 'coral',
+    'ffd700': 'gold',
+    '008000': 'green',
+    '4b0082': 'indigo',
+    'fffff0': 'ivory',
+    'f0e68c': 'khaki',
+    '00ff00': 'lime',
+    'faf0e6': 'linen',
+    '000080': 'navy',
+    'ffa500': 'orange',
+    'da70d6': 'orchid',
+    'cd853f': 'peru',
+    'ffc0cb': 'pink',
+    'dda0dd': 'plum',
+    'f00': 'red',
+    'ff0000': 'red',
+    'fa8072': 'salmon',
+    'a0522d': 'sienna',
+    'c0c0c0': 'silver',
+    'fffafa': 'snow',
+    'd2b48c': 'tan',
+    '008080': 'teal',
+    'ff6347': 'tomato',
+    'ee82ee': 'violet',
+    'f5deb3': 'wheat',
+    'ffffff': 'white',
+    'ffff00': 'yellow'
+};
+
+function hueToRgb(p, q, t) {
+    if (t < 0) {
+        t += 1;
+    }
+    if (t > 1) {
+        t -= 1;
+    }
+    if (t < 1 / 6) {
+        return p + (q - p) * 6 * t;
+    }
+    if (t < 1 / 2) {
+        return q;
+    }
+    if (t < 2 / 3) {
+        return p + (q - p) * (2 / 3 - t) * 6;
+    }
+    return p;
+}
+
+function hslToRgb(h, s, l, a) {
+    let r;
+    let g;
+    let b;
+
+    if (s === 0) {
+        r = g = b = l; // achromatic
+    } else {
+        const q = l < 0.5 ? l * (1 + s) : l + s - l * s;
+        const p = 2 * l - q;
+
+        r = hueToRgb(p, q, h + 1 / 3);
+        g = hueToRgb(p, q, h);
+        b = hueToRgb(p, q, h - 1 / 3);
+    }
+
+    return [
+        Math.round(r * 255),
+        Math.round(g * 255),
+        Math.round(b * 255),
+        a
+    ];
+}
+
+function toHex(value) {
+    value = value.toString(16);
+
+    return value.length === 1 ? '0' + value : value;
+}
+
+function parseFunctionArgs(functionArgs, count, rgb) {
+    let cursor = functionArgs.head;
+    let args = [];
+    let wasValue = false;
+
+    while (cursor !== null) {
+        const { type, value } = cursor.data;
+
+        switch (type) {
+            case 'Number':
+            case 'Percentage':
+                if (wasValue) {
+                    return;
+                }
+
+                wasValue = true;
+                args.push({
+                    type,
+                    value: Number(value)
+                });
+
+                break;
+
+            case 'Operator':
+                if (value === ',') {
+                    if (!wasValue) {
+                        return;
+                    }
+                    wasValue = false;
+                } else if (wasValue || value !== '+') {
+                    return;
+                }
+
+                break;
+
+            default:
+                // something we couldn't understand
+                return;
+        }
+
+        cursor = cursor.next;
+    }
+
+    if (args.length !== count) {
+        // invalid arguments count
+        // TODO: remove those tokens
+        return;
+    }
+
+    if (args.length === 4) {
+        if (args[3].type !== 'Number') {
+            // 4th argument should be a number
+            // TODO: remove those tokens
+            return;
+        }
+
+        args[3].type = 'Alpha';
+    }
+
+    if (rgb) {
+        if (args[0].type !== args[1].type || args[0].type !== args[2].type) {
+            // invalid color, numbers and percentage shouldn't be mixed
+            // TODO: remove those tokens
+            return;
+        }
+    } else {
+        if (args[0].type !== 'Number' ||
+            args[1].type !== 'Percentage' ||
+            args[2].type !== 'Percentage') {
+            // invalid color, for hsl values should be: number, percentage, percentage
+            // TODO: remove those tokens
+            return;
+        }
+
+        args[0].type = 'Angle';
+    }
+
+    return args.map(function(arg) {
+        let value = Math.max(0, arg.value);
+
+        switch (arg.type) {
+            case 'Number':
+                // fit value to [0..255] range
+                value = Math.min(value, 255);
+                break;
+
+            case 'Percentage':
+                // convert 0..100% to value in [0..255] range
+                value = Math.min(value, 100) / 100;
+
+                if (!rgb) {
+                    return value;
+                }
+
+                value = 255 * value;
+                break;
+
+            case 'Angle':
+                // fit value to (-360..360) range
+                return (((value % 360) + 360) % 360) / 360;
+
+            case 'Alpha':
+                // fit value to [0..1] range
+                return Math.min(value, 1);
+        }
+
+        return Math.round(value);
+    });
+}
+
+function compressFunction(node, item) {
+    let functionName = node.name;
+    let args;
+
+    if (functionName === 'rgba' || functionName === 'hsla') {
+        args = parseFunctionArgs(node.children, 4, functionName === 'rgba');
+
+        if (!args) {
+            // something went wrong
+            return;
+        }
+
+        if (functionName === 'hsla') {
+            args = hslToRgb(...args);
+            node.name = 'rgba';
+        }
+
+        if (args[3] === 0) {
+            // try to replace `rgba(x, x, x, 0)` to `transparent`
+            // always replace `rgba(0, 0, 0, 0)` to `transparent`
+            // otherwise avoid replacement in gradients since it may break color transition
+            // http://stackoverflow.com/questions/11829410/css3-gradient-rendering-issues-from-transparent-to-white
+            const scopeFunctionName = this.function && this.function.name;
+
+            if ((args[0] === 0 && args[1] === 0 && args[2] === 0) ||
+                !/^(?:to|from|color-stop)$|gradient$/i.test(scopeFunctionName)) {
+
+                item.data = {
+                    type: 'Identifier',
+                    loc: node.loc,
+                    name: 'transparent'
+                };
+
+                return;
+            }
+        }
+
+        if (args[3] !== 1) {
+            // replace argument values for normalized/interpolated
+            node.children.forEach((node, item, list) => {
+                if (node.type === 'Operator') {
+                    if (node.value !== ',') {
+                        list.remove(item);
+                    }
+                    return;
+                }
+
+                item.data = {
+                    type: 'Number',
+                    loc: node.loc,
+                    value: _Number.packNumber(args.shift())
+                };
+            });
+
+            return;
+        }
+
+        // otherwise convert to rgb, i.e. rgba(255, 0, 0, 1) -> rgb(255, 0, 0)
+        functionName = 'rgb';
+    }
+
+    if (functionName === 'hsl') {
+        args = args || parseFunctionArgs(node.children, 3, false);
+
+        if (!args) {
+            // something went wrong
+            return;
+        }
+
+        // convert to rgb
+        args = hslToRgb(...args);
+        functionName = 'rgb';
+    }
+
+    if (functionName === 'rgb') {
+        args = args || parseFunctionArgs(node.children, 3, true);
+
+        if (!args) {
+            // something went wrong
+            return;
+        }
+
+        item.data = {
+            type: 'Hash',
+            loc: node.loc,
+            value: toHex(args[0]) + toHex(args[1]) + toHex(args[2])
+        };
+
+        compressHex(item.data, item);
+    }
+}
+
+function compressIdent(node, item) {
+    if (this.declaration === null) {
+        return;
+    }
+
+    let color = node.name.toLowerCase();
+
+    if (NAME_TO_HEX.hasOwnProperty(color) &&
+        cssTree.lexer.matchDeclaration(this.declaration).isType(node, 'color')) {
+        const hex = NAME_TO_HEX[color];
+
+        if (hex.length + 1 <= color.length) {
+            // replace for shorter hex value
+            item.data = {
+                type: 'Hash',
+                loc: node.loc,
+                value: hex
+            };
+        } else {
+            // special case for consistent colors
+            if (color === 'grey') {
+                color = 'gray';
+            }
+
+            // just replace value for lower cased name
+            node.name = color;
+        }
+    }
+}
+
+function compressHex(node, item) {
+    let color = node.value.toLowerCase();
+
+    // #112233 -> #123
+    if (color.length === 6 &&
+        color[0] === color[1] &&
+        color[2] === color[3] &&
+        color[4] === color[5]) {
+        color = color[0] + color[2] + color[4];
+    }
+
+    if (HEX_TO_NAME[color]) {
+        item.data = {
+            type: 'Identifier',
+            loc: node.loc,
+            name: HEX_TO_NAME[color]
+        };
+    } else {
+        node.value = color;
+    }
+}
+
+exports.compressFunction = compressFunction;
+exports.compressHex = compressHex;
+exports.compressIdent = compressIdent;
+
+},{"./Number.cjs":142,"css-tree":180}],148:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const Atrule = require('./Atrule.cjs');
+const AttributeSelector = require('./AttributeSelector.cjs');
+const Value = require('./Value.cjs');
+const Dimension = require('./Dimension.cjs');
+const Percentage = require('./Percentage.cjs');
+const _Number = require('./Number.cjs');
+const Url = require('./Url.cjs');
+const color = require('./color.cjs');
+
+const handlers = {
+    Atrule,
+    AttributeSelector,
+    Value,
+    Dimension,
+    Percentage,
+    Number: _Number.Number,
+    Url,
+    Hash: color.compressHex,
+    Identifier: color.compressIdent,
+    Function: color.compressFunction
+};
+
+function replace(ast) {
+    cssTree.walk(ast, {
+        leave(node, item, list) {
+            if (handlers.hasOwnProperty(node.type)) {
+                handlers[node.type].call(this, node, item, list);
+            }
+        }
+    });
+}
+
+module.exports = replace;
+
+},{"./Atrule.cjs":139,"./AttributeSelector.cjs":140,"./Dimension.cjs":141,"./Number.cjs":142,"./Percentage.cjs":143,"./Url.cjs":144,"./Value.cjs":145,"./color.cjs":147,"css-tree":180}],149:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+function compressBackground(node) {
+    function flush() {
+        if (!buffer.length) {
+            buffer.unshift(
+                {
+                    type: 'Number',
+                    loc: null,
+                    value: '0'
+                },
+                {
+                    type: 'Number',
+                    loc: null,
+                    value: '0'
+                }
+            );
+        }
+
+        newValue.push.apply(newValue, buffer);
+
+        buffer = [];
+    }
+
+    let newValue = [];
+    let buffer = [];
+
+    node.children.forEach((node) => {
+        if (node.type === 'Operator' && node.value === ',') {
+            flush();
+            newValue.push(node);
+            return;
+        }
+
+        // remove defaults
+        if (node.type === 'Identifier') {
+            if (node.name === 'transparent' ||
+                node.name === 'none' ||
+                node.name === 'repeat' ||
+                node.name === 'scroll') {
+                return;
+            }
+        }
+
+        buffer.push(node);
+    });
+
+    flush();
+    node.children = new cssTree.List().fromArray(newValue);
+}
+
+module.exports = compressBackground;
+
+},{"css-tree":180}],150:[function(require,module,exports){
+'use strict';
+
+function compressBorder(node) {
+    node.children.forEach((node, item, list) => {
+        if (node.type === 'Identifier' && node.name.toLowerCase() === 'none') {
+            if (list.head === list.tail) {
+                // replace `none` for zero when `none` is a single term
+                item.data = {
+                    type: 'Number',
+                    loc: node.loc,
+                    value: '0'
+                };
+            } else {
+                list.remove(item);
+            }
+        }
+    });
+}
+
+module.exports = compressBorder;
+
+},{}],151:[function(require,module,exports){
+'use strict';
+
+function compressFontWeight(node) {
+    const value = node.children.head.data;
+
+    if (value.type === 'Identifier') {
+        switch (value.name) {
+            case 'normal':
+                node.children.head.data = {
+                    type: 'Number',
+                    loc: value.loc,
+                    value: '400'
+                };
+                break;
+            case 'bold':
+                node.children.head.data = {
+                    type: 'Number',
+                    loc: value.loc,
+                    value: '700'
+                };
+                break;
+        }
+    }
+}
+
+module.exports = compressFontWeight;
+
+},{}],152:[function(require,module,exports){
+'use strict';
+
+function compressFont(node) {
+    const list = node.children;
+
+    list.forEachRight(function(node, item) {
+        if (node.type === 'Identifier') {
+            if (node.name === 'bold') {
+                item.data = {
+                    type: 'Number',
+                    loc: node.loc,
+                    value: '700'
+                };
+            } else if (node.name === 'normal') {
+                const prev = item.prev;
+
+                if (prev && prev.data.type === 'Operator' && prev.data.value === '/') {
+                    this.remove(prev);
+                }
+
+                this.remove(item);
+            }
+        }
+    });
+
+    if (list.isEmpty) {
+        list.insert(list.createItem({
+            type: 'Identifier',
+            name: 'normal'
+        }));
+    }
+}
+
+module.exports = compressFont;
+
+},{}],153:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+const { hasOwnProperty } = Object.prototype;
+
+function addRuleToMap(map, item, list, single) {
+    const node = item.data;
+    const name = cssTree.keyword(node.name).basename;
+    const id = node.name.toLowerCase() + '/' + (node.prelude ? node.prelude.id : null);
+
+    if (!hasOwnProperty.call(map, name)) {
+        map[name] = Object.create(null);
+    }
+
+    if (single) {
+        delete map[name][id];
+    }
+
+    if (!hasOwnProperty.call(map[name], id)) {
+        map[name][id] = new cssTree.List();
+    }
+
+    map[name][id].append(list.remove(item));
+}
+
+function relocateAtrules(ast, options) {
+    const collected = Object.create(null);
+    let topInjectPoint = null;
+
+    ast.children.forEach(function(node, item, list) {
+        if (node.type === 'Atrule') {
+            const name = cssTree.keyword(node.name).basename;
+
+            switch (name) {
+                case 'keyframes':
+                    addRuleToMap(collected, item, list, true);
+                    return;
+
+                case 'media':
+                    if (options.forceMediaMerge) {
+                        addRuleToMap(collected, item, list, false);
+                        return;
+                    }
+                    break;
+            }
+
+            if (topInjectPoint === null &&
+                name !== 'charset' &&
+                name !== 'import') {
+                topInjectPoint = item;
+            }
+        } else {
+            if (topInjectPoint === null) {
+                topInjectPoint = item;
+            }
+        }
+    });
+
+    for (const atrule in collected) {
+        for (const id in collected[atrule]) {
+            ast.children.insertList(
+                collected[atrule][id],
+                atrule === 'media' ? null : topInjectPoint
+            );
+        }
+    }
+}
+function isMediaRule(node) {
+    return node.type === 'Atrule' && node.name === 'media';
+}
+
+function processAtrule(node, item, list) {
+    if (!isMediaRule(node)) {
+        return;
+    }
+
+    const prev = item.prev && item.prev.data;
+
+    if (!prev || !isMediaRule(prev)) {
+        return;
+    }
+
+    // merge @media with same query
+    if (node.prelude &&
+        prev.prelude &&
+        node.prelude.id === prev.prelude.id) {
+        prev.block.children.appendList(node.block.children);
+        list.remove(item);
+
+        // TODO: use it when we can refer to several points in source
+        // prev.loc = {
+        //     primary: prev.loc,
+        //     merged: node.loc
+        // };
+    }
+}
+
+function rejoinAtrule(ast, options) {
+    relocateAtrules(ast, options);
+
+    cssTree.walk(ast, {
+        visit: 'Atrule',
+        reverse: true,
+        enter: processAtrule
+    });
+}
+
+module.exports = rejoinAtrule;
+
+},{"css-tree":180}],154:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const utils = require('./utils.cjs');
+
+function processRule(node, item, list) {
+    const selectors = node.prelude.children;
+    const declarations = node.block.children;
+
+    list.prevUntil(item.prev, function(prev) {
+        // skip non-ruleset node if safe
+        if (prev.type !== 'Rule') {
+            return utils.unsafeToSkipNode.call(selectors, prev);
+        }
+
+        const prevSelectors = prev.prelude.children;
+        const prevDeclarations = prev.block.children;
+
+        // try to join rulesets with equal pseudo signature
+        if (node.pseudoSignature === prev.pseudoSignature) {
+            // try to join by selectors
+            if (utils.isEqualSelectors(prevSelectors, selectors)) {
+                prevDeclarations.appendList(declarations);
+                list.remove(item);
+                return true;
+            }
+
+            // try to join by declarations
+            if (utils.isEqualDeclarations(declarations, prevDeclarations)) {
+                utils.addSelectors(prevSelectors, selectors);
+                list.remove(item);
+                return true;
+            }
+        }
+
+        // go to prev ruleset if has no selector similarities
+        return utils.hasSimilarSelectors(selectors, prevSelectors);
+    });
+}
+
+// NOTE: direction should be left to right, since rulesets merge to left
+// ruleset. When direction right to left unmerged rulesets may prevent lookup
+// TODO: remove initial merge
+function initialMergeRule(ast) {
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        enter: processRule
+    });
+}
+
+module.exports = initialMergeRule;
+
+},{"./utils.cjs":165,"css-tree":180}],155:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+function processRule(node, item, list) {
+    const selectors = node.prelude.children;
+
+    // generate new rule sets:
+    // .a, .b { color: red; }
+    // ->
+    // .a { color: red; }
+    // .b { color: red; }
+
+    // while there are more than 1 simple selector split for rulesets
+    while (selectors.head !== selectors.tail) {
+        const newSelectors = new cssTree.List();
+
+        newSelectors.insert(selectors.remove(selectors.head));
+
+        list.insert(list.createItem({
+            type: 'Rule',
+            loc: node.loc,
+            prelude: {
+                type: 'SelectorList',
+                loc: node.prelude.loc,
+                children: newSelectors
+            },
+            block: {
+                type: 'Block',
+                loc: node.block.loc,
+                children: node.block.children.copy()
+            },
+            pseudoSignature: node.pseudoSignature
+        }), item);
+    }
+}
+
+function disjoinRule(ast) {
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        reverse: true,
+        enter: processRule
+    });
+}
+
+module.exports = disjoinRule;
+
+},{"css-tree":180}],156:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+const REPLACE = 1;
+const REMOVE = 2;
+const TOP = 0;
+const RIGHT = 1;
+const BOTTOM = 2;
+const LEFT = 3;
+const SIDES = ['top', 'right', 'bottom', 'left'];
+const SIDE = {
+    'margin-top': 'top',
+    'margin-right': 'right',
+    'margin-bottom': 'bottom',
+    'margin-left': 'left',
+
+    'padding-top': 'top',
+    'padding-right': 'right',
+    'padding-bottom': 'bottom',
+    'padding-left': 'left',
+
+    'border-top-color': 'top',
+    'border-right-color': 'right',
+    'border-bottom-color': 'bottom',
+    'border-left-color': 'left',
+    'border-top-width': 'top',
+    'border-right-width': 'right',
+    'border-bottom-width': 'bottom',
+    'border-left-width': 'left',
+    'border-top-style': 'top',
+    'border-right-style': 'right',
+    'border-bottom-style': 'bottom',
+    'border-left-style': 'left'
+};
+const MAIN_PROPERTY = {
+    'margin': 'margin',
+    'margin-top': 'margin',
+    'margin-right': 'margin',
+    'margin-bottom': 'margin',
+    'margin-left': 'margin',
+
+    'padding': 'padding',
+    'padding-top': 'padding',
+    'padding-right': 'padding',
+    'padding-bottom': 'padding',
+    'padding-left': 'padding',
+
+    'border-color': 'border-color',
+    'border-top-color': 'border-color',
+    'border-right-color': 'border-color',
+    'border-bottom-color': 'border-color',
+    'border-left-color': 'border-color',
+    'border-width': 'border-width',
+    'border-top-width': 'border-width',
+    'border-right-width': 'border-width',
+    'border-bottom-width': 'border-width',
+    'border-left-width': 'border-width',
+    'border-style': 'border-style',
+    'border-top-style': 'border-style',
+    'border-right-style': 'border-style',
+    'border-bottom-style': 'border-style',
+    'border-left-style': 'border-style'
+};
+
+class TRBL {
+    constructor(name) {
+        this.name = name;
+        this.loc = null;
+        this.iehack = undefined;
+        this.sides = {
+            'top': null,
+            'right': null,
+            'bottom': null,
+            'left': null
+        };
+    }
+
+    getValueSequence(declaration, count) {
+        const values = [];
+        let iehack = '';
+        const hasBadValues = declaration.value.type !== 'Value' || declaration.value.children.some(function(child) {
+            let special = false;
+
+            switch (child.type) {
+                case 'Identifier':
+                    switch (child.name) {
+                        case '\\0':
+                        case '\\9':
+                            iehack = child.name;
+                            return;
+
+                        case 'inherit':
+                        case 'initial':
+                        case 'unset':
+                        case 'revert':
+                            special = child.name;
+                            break;
+                    }
+                    break;
+
+                case 'Dimension':
+                    switch (child.unit) {
+                        // is not supported until IE11
+                        case 'rem':
+
+                        // v* units is too buggy across browsers and better
+                        // don't merge values with those units
+                        case 'vw':
+                        case 'vh':
+                        case 'vmin':
+                        case 'vmax':
+                        case 'vm': // IE9 supporting "vm" instead of "vmin".
+                            special = child.unit;
+                            break;
+                    }
+                    break;
+
+                case 'Hash': // color
+                case 'Number':
+                case 'Percentage':
+                    break;
+
+                case 'Function':
+                    if (child.name === 'var') {
+                        return true;
+                    }
+
+                    special = child.name;
+                    break;
+
+                default:
+                    return true;  // bad value
+            }
+
+            values.push({
+                node: child,
+                special,
+                important: declaration.important
+            });
+        });
+
+        if (hasBadValues || values.length > count) {
+            return false;
+        }
+
+        if (typeof this.iehack === 'string' && this.iehack !== iehack) {
+            return false;
+        }
+
+        this.iehack = iehack; // move outside
+
+        return values;
+    }
+
+    canOverride(side, value) {
+        const currentValue = this.sides[side];
+
+        return !currentValue || (value.important && !currentValue.important);
+    }
+
+    add(name, declaration) {
+        function attemptToAdd() {
+            const sides = this.sides;
+            const side = SIDE[name];
+
+            if (side) {
+                if (side in sides === false) {
+                    return false;
+                }
+
+                const values = this.getValueSequence(declaration, 1);
+
+                if (!values || !values.length) {
+                    return false;
+                }
+
+                // can mix only if specials are equal
+                for (const key in sides) {
+                    if (sides[key] !== null && sides[key].special !== values[0].special) {
+                        return false;
+                    }
+                }
+
+                if (!this.canOverride(side, values[0])) {
+                    return true;
+                }
+
+                sides[side] = values[0];
+
+                return true;
+            } else if (name === this.name) {
+                const values = this.getValueSequence(declaration, 4);
+
+                if (!values || !values.length) {
+                    return false;
+                }
+
+                switch (values.length) {
+                    case 1:
+                        values[RIGHT] = values[TOP];
+                        values[BOTTOM] = values[TOP];
+                        values[LEFT] = values[TOP];
+                        break;
+
+                    case 2:
+                        values[BOTTOM] = values[TOP];
+                        values[LEFT] = values[RIGHT];
+                        break;
+
+                    case 3:
+                        values[LEFT] = values[RIGHT];
+                        break;
+                }
+
+                // can mix only if specials are equal
+                for (let i = 0; i < 4; i++) {
+                    for (const key in sides) {
+                        if (sides[key] !== null && sides[key].special !== values[i].special) {
+                            return false;
+                        }
+                    }
+                }
+
+                for (let i = 0; i < 4; i++) {
+                    if (this.canOverride(SIDES[i], values[i])) {
+                        sides[SIDES[i]] = values[i];
+                    }
+                }
+
+                return true;
+            }
+        }
+
+        if (!attemptToAdd.call(this)) {
+            return false;
+        }
+
+        // TODO: use it when we can refer to several points in source
+        // if (this.loc) {
+        //     this.loc = {
+        //         primary: this.loc,
+        //         merged: declaration.loc
+        //     };
+        // } else {
+        //     this.loc = declaration.loc;
+        // }
+        if (!this.loc) {
+            this.loc = declaration.loc;
+        }
+
+        return true;
+    }
+
+    isOkToMinimize() {
+        const top = this.sides.top;
+        const right = this.sides.right;
+        const bottom = this.sides.bottom;
+        const left = this.sides.left;
+
+        if (top && right && bottom && left) {
+            const important =
+                top.important +
+                right.important +
+                bottom.important +
+                left.important;
+
+            return important === 0 || important === 4;
+        }
+
+        return false;
+    }
+
+    getValue() {
+        const result = new cssTree.List();
+        const sides = this.sides;
+        const values = [
+            sides.top,
+            sides.right,
+            sides.bottom,
+            sides.left
+        ];
+        const stringValues = [
+            cssTree.generate(sides.top.node),
+            cssTree.generate(sides.right.node),
+            cssTree.generate(sides.bottom.node),
+            cssTree.generate(sides.left.node)
+        ];
+
+        if (stringValues[LEFT] === stringValues[RIGHT]) {
+            values.pop();
+            if (stringValues[BOTTOM] === stringValues[TOP]) {
+                values.pop();
+                if (stringValues[RIGHT] === stringValues[TOP]) {
+                    values.pop();
+                }
+            }
+        }
+
+        for (let i = 0; i < values.length; i++) {
+            result.appendData(values[i].node);
+        }
+
+        if (this.iehack) {
+            result.appendData({
+                type: 'Identifier',
+                loc: null,
+                name: this.iehack
+            });
+        }
+
+        return {
+            type: 'Value',
+            loc: null,
+            children: result
+        };
+    }
+
+    getDeclaration() {
+        return {
+            type: 'Declaration',
+            loc: this.loc,
+            important: this.sides.top.important,
+            property: this.name,
+            value: this.getValue()
+        };
+    }
+}
+
+function processRule(rule, shorts, shortDeclarations, lastShortSelector) {
+    const declarations = rule.block.children;
+    const selector = rule.prelude.children.first.id;
+
+    rule.block.children.forEachRight(function(declaration, item) {
+        const property = declaration.property;
+
+        if (!MAIN_PROPERTY.hasOwnProperty(property)) {
+            return;
+        }
+
+        const key = MAIN_PROPERTY[property];
+        let shorthand;
+        let operation;
+
+        if (!lastShortSelector || selector === lastShortSelector) {
+            if (key in shorts) {
+                operation = REMOVE;
+                shorthand = shorts[key];
+            }
+        }
+
+        if (!shorthand || !shorthand.add(property, declaration)) {
+            operation = REPLACE;
+            shorthand = new TRBL(key);
+
+            // if can't parse value ignore it and break shorthand children
+            if (!shorthand.add(property, declaration)) {
+                lastShortSelector = null;
+                return;
+            }
+        }
+
+        shorts[key] = shorthand;
+        shortDeclarations.push({
+            operation,
+            block: declarations,
+            item,
+            shorthand
+        });
+
+        lastShortSelector = selector;
+    });
+
+    return lastShortSelector;
+}
+
+function processShorthands(shortDeclarations, markDeclaration) {
+    shortDeclarations.forEach(function(item) {
+        const shorthand = item.shorthand;
+
+        if (!shorthand.isOkToMinimize()) {
+            return;
+        }
+
+        if (item.operation === REPLACE) {
+            item.item.data = markDeclaration(shorthand.getDeclaration());
+        } else {
+            item.block.remove(item.item);
+        }
+    });
+}
+
+function restructBlock(ast, indexer) {
+    const stylesheetMap = {};
+    const shortDeclarations = [];
+
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        reverse: true,
+        enter(node) {
+            const stylesheet = this.block || this.stylesheet;
+            const ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first.id;
+            let ruleMap;
+            let shorts;
+
+            if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
+                ruleMap = {
+                    lastShortSelector: null
+                };
+                stylesheetMap[stylesheet.id] = ruleMap;
+            } else {
+                ruleMap = stylesheetMap[stylesheet.id];
+            }
+
+            if (ruleMap.hasOwnProperty(ruleId)) {
+                shorts = ruleMap[ruleId];
+            } else {
+                shorts = {};
+                ruleMap[ruleId] = shorts;
+            }
+
+            ruleMap.lastShortSelector = processRule.call(this, node, shorts, shortDeclarations, ruleMap.lastShortSelector);
+        }
+    });
+
+    processShorthands(shortDeclarations, indexer.declaration);
+}
+
+module.exports = restructBlock;
+
+},{"css-tree":180}],157:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+let fingerprintId = 1;
+const dontRestructure = new Set([
+    'src' // https://github.com/afelix/csso/issues/50
+]);
+
+const DONT_MIX_VALUE = {
+    // https://developer.mozilla.org/en-US/docs/Web/CSS/display#Browser_compatibility
+    'display': /table|ruby|flex|-(flex)?box$|grid|contents|run-in/i,
+    // https://developer.mozilla.org/en/docs/Web/CSS/text-align
+    'text-align': /^(start|end|match-parent|justify-all)$/i
+};
+
+const SAFE_VALUES = {
+    cursor: [
+        'auto', 'crosshair', 'default', 'move', 'text', 'wait', 'help',
+        'n-resize', 'e-resize', 's-resize', 'w-resize',
+        'ne-resize', 'nw-resize', 'se-resize', 'sw-resize',
+        'pointer', 'progress', 'not-allowed', 'no-drop', 'vertical-text', 'all-scroll',
+        'col-resize', 'row-resize'
+    ],
+    overflow: [
+        'hidden', 'visible', 'scroll', 'auto'
+    ],
+    position: [
+        'static', 'relative', 'absolute', 'fixed'
+    ]
+};
+
+const NEEDLESS_TABLE = {
+    'border-width': ['border'],
+    'border-style': ['border'],
+    'border-color': ['border'],
+    'border-top': ['border'],
+    'border-right': ['border'],
+    'border-bottom': ['border'],
+    'border-left': ['border'],
+    'border-top-width': ['border-top', 'border-width', 'border'],
+    'border-right-width': ['border-right', 'border-width', 'border'],
+    'border-bottom-width': ['border-bottom', 'border-width', 'border'],
+    'border-left-width': ['border-left', 'border-width', 'border'],
+    'border-top-style': ['border-top', 'border-style', 'border'],
+    'border-right-style': ['border-right', 'border-style', 'border'],
+    'border-bottom-style': ['border-bottom', 'border-style', 'border'],
+    'border-left-style': ['border-left', 'border-style', 'border'],
+    'border-top-color': ['border-top', 'border-color', 'border'],
+    'border-right-color': ['border-right', 'border-color', 'border'],
+    'border-bottom-color': ['border-bottom', 'border-color', 'border'],
+    'border-left-color': ['border-left', 'border-color', 'border'],
+    'margin-top': ['margin'],
+    'margin-right': ['margin'],
+    'margin-bottom': ['margin'],
+    'margin-left': ['margin'],
+    'padding-top': ['padding'],
+    'padding-right': ['padding'],
+    'padding-bottom': ['padding'],
+    'padding-left': ['padding'],
+    'font-style': ['font'],
+    'font-variant': ['font'],
+    'font-weight': ['font'],
+    'font-size': ['font'],
+    'font-family': ['font'],
+    'list-style-type': ['list-style'],
+    'list-style-position': ['list-style'],
+    'list-style-image': ['list-style']
+};
+
+function getPropertyFingerprint(propertyName, declaration, fingerprints) {
+    const realName = cssTree.property(propertyName).basename;
+
+    if (realName === 'background') {
+        return propertyName + ':' + cssTree.generate(declaration.value);
+    }
+
+    const declarationId = declaration.id;
+    let fingerprint = fingerprints[declarationId];
+
+    if (!fingerprint) {
+        switch (declaration.value.type) {
+            case 'Value':
+                const special = {};
+                let vendorId = '';
+                let iehack = '';
+                let raw = false;
+
+                declaration.value.children.forEach(function walk(node) {
+                    switch (node.type) {
+                        case 'Value':
+                        case 'Brackets':
+                        case 'Parentheses':
+                            node.children.forEach(walk);
+                            break;
+
+                        case 'Raw':
+                            raw = true;
+                            break;
+
+                        case 'Identifier': {
+                            const { name } = node;
+
+                            if (!vendorId) {
+                                vendorId = cssTree.keyword(name).vendor;
+                            }
+
+                            if (/\\[09]/.test(name)) {
+                                iehack = RegExp.lastMatch;
+                            }
+
+                            if (SAFE_VALUES.hasOwnProperty(realName)) {
+                                if (SAFE_VALUES[realName].indexOf(name) === -1) {
+                                    special[name] = true;
+                                }
+                            } else if (DONT_MIX_VALUE.hasOwnProperty(realName)) {
+                                if (DONT_MIX_VALUE[realName].test(name)) {
+                                    special[name] = true;
+                                }
+                            }
+
+                            break;
+                        }
+
+                        case 'Function': {
+                            let { name } = node;
+
+                            if (!vendorId) {
+                                vendorId = cssTree.keyword(name).vendor;
+                            }
+
+                            if (name === 'rect') {
+                                // there are 2 forms of rect:
+                                //   rect(<top>, <right>, <bottom>, <left>) - standart
+                                //   rect(<top> <right> <bottom> <left>) – backwards compatible syntax
+                                // only the same form values can be merged
+                                const hasComma = node.children.some((node) =>
+                                    node.type === 'Operator' && node.value === ','
+                                );
+
+                                if (!hasComma) {
+                                    name = 'rect-backward';
+                                }
+                            }
+
+                            special[name + '()'] = true;
+
+                            // check nested tokens too
+                            node.children.forEach(walk);
+
+                            break;
+                        }
+
+                        case 'Dimension': {
+                            const { unit } = node;
+
+                            if (/\\[09]/.test(unit)) {
+                                iehack = RegExp.lastMatch;
+                            }
+
+                            switch (unit) {
+                                // is not supported until IE11
+                                case 'rem':
+
+                                // v* units is too buggy across browsers and better
+                                // don't merge values with those units
+                                case 'vw':
+                                case 'vh':
+                                case 'vmin':
+                                case 'vmax':
+                                case 'vm': // IE9 supporting "vm" instead of "vmin".
+                                    special[unit] = true;
+                                    break;
+                            }
+
+                            break;
+                        }
+                    }
+                });
+
+                fingerprint = raw
+                    ? '!' + fingerprintId++
+                    : '!' + Object.keys(special).sort() + '|' + iehack + vendorId;
+                break;
+
+            case 'Raw':
+                fingerprint = '!' + declaration.value.value;
+                break;
+
+            default:
+                fingerprint = cssTree.generate(declaration.value);
+        }
+
+        fingerprints[declarationId] = fingerprint;
+    }
+
+    return propertyName + fingerprint;
+}
+
+function needless(props, declaration, fingerprints) {
+    const property = cssTree.property(declaration.property);
+
+    if (NEEDLESS_TABLE.hasOwnProperty(property.basename)) {
+        const table = NEEDLESS_TABLE[property.basename];
+
+        for (const entry of table) {
+            const ppre = getPropertyFingerprint(property.prefix + entry, declaration, fingerprints);
+            const prev = props.hasOwnProperty(ppre) ? props[ppre] : null;
+
+            if (prev && (!declaration.important || prev.item.data.important)) {
+                return prev;
+            }
+        }
+    }
+}
+
+function processRule(rule, item, list, props, fingerprints) {
+    const declarations = rule.block.children;
+
+    declarations.forEachRight(function(declaration, declarationItem) {
+        const { property } = declaration;
+        const fingerprint = getPropertyFingerprint(property, declaration, fingerprints);
+        const prev = props[fingerprint];
+
+        if (prev && !dontRestructure.has(property)) {
+            if (declaration.important && !prev.item.data.important) {
+                props[fingerprint] = {
+                    block: declarations,
+                    item: declarationItem
+                };
+
+                prev.block.remove(prev.item);
+
+                // TODO: use it when we can refer to several points in source
+                // declaration.loc = {
+                //     primary: declaration.loc,
+                //     merged: prev.item.data.loc
+                // };
+            } else {
+                declarations.remove(declarationItem);
+
+                // TODO: use it when we can refer to several points in source
+                // prev.item.data.loc = {
+                //     primary: prev.item.data.loc,
+                //     merged: declaration.loc
+                // };
+            }
+        } else {
+            const prev = needless(props, declaration, fingerprints);
+
+            if (prev) {
+                declarations.remove(declarationItem);
+
+                // TODO: use it when we can refer to several points in source
+                // prev.item.data.loc = {
+                //     primary: prev.item.data.loc,
+                //     merged: declaration.loc
+                // };
+            } else {
+                declaration.fingerprint = fingerprint;
+
+                props[fingerprint] = {
+                    block: declarations,
+                    item: declarationItem
+                };
+            }
+        }
+    });
+
+    if (declarations.isEmpty) {
+        list.remove(item);
+    }
+}
+
+function restructBlock(ast) {
+    const stylesheetMap = {};
+    const fingerprints = Object.create(null);
+
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        reverse: true,
+        enter(node, item, list) {
+            const stylesheet = this.block || this.stylesheet;
+            const ruleId = (node.pseudoSignature || '') + '|' + node.prelude.children.first.id;
+            let ruleMap;
+            let props;
+
+            if (!stylesheetMap.hasOwnProperty(stylesheet.id)) {
+                ruleMap = {};
+                stylesheetMap[stylesheet.id] = ruleMap;
+            } else {
+                ruleMap = stylesheetMap[stylesheet.id];
+            }
+
+            if (ruleMap.hasOwnProperty(ruleId)) {
+                props = ruleMap[ruleId];
+            } else {
+                props = {};
+                ruleMap[ruleId] = props;
+            }
+
+            processRule.call(this, node, item, list, props, fingerprints);
+        }
+    });
+}
+
+module.exports = restructBlock;
+
+},{"css-tree":180}],158:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const utils = require('./utils.cjs');
+
+/*
+    At this step all rules has single simple selector. We try to join by equal
+    declaration blocks to first rule, e.g.
+
+    .a { color: red }
+    b { ... }
+    .b { color: red }
+    ->
+    .a, .b { color: red }
+    b { ... }
+*/
+
+function processRule(node, item, list) {
+    const selectors = node.prelude.children;
+    const declarations = node.block.children;
+    const nodeCompareMarker = selectors.first.compareMarker;
+    const skippedCompareMarkers = {};
+
+    list.nextUntil(item.next, function(next, nextItem) {
+        // skip non-ruleset node if safe
+        if (next.type !== 'Rule') {
+            return utils.unsafeToSkipNode.call(selectors, next);
+        }
+
+        if (node.pseudoSignature !== next.pseudoSignature) {
+            return true;
+        }
+
+        const nextFirstSelector = next.prelude.children.head;
+        const nextDeclarations = next.block.children;
+        const nextCompareMarker = nextFirstSelector.data.compareMarker;
+
+        // if next ruleset has same marked as one of skipped then stop joining
+        if (nextCompareMarker in skippedCompareMarkers) {
+            return true;
+        }
+
+        // try to join by selectors
+        if (selectors.head === selectors.tail) {
+            if (selectors.first.id === nextFirstSelector.data.id) {
+                declarations.appendList(nextDeclarations);
+                list.remove(nextItem);
+                return;
+            }
+        }
+
+        // try to join by properties
+        if (utils.isEqualDeclarations(declarations, nextDeclarations)) {
+            const nextStr = nextFirstSelector.data.id;
+
+            selectors.some((data, item) => {
+                const curStr = data.id;
+
+                if (nextStr < curStr) {
+                    selectors.insert(nextFirstSelector, item);
+                    return true;
+                }
+
+                if (!item.next) {
+                    selectors.insert(nextFirstSelector);
+                    return true;
+                }
+            });
+
+            list.remove(nextItem);
+            return;
+        }
+
+        // go to next ruleset if current one can be skipped (has no equal specificity nor element selector)
+        if (nextCompareMarker === nodeCompareMarker) {
+            return true;
+        }
+
+        skippedCompareMarkers[nextCompareMarker] = true;
+    });
+}
+
+function mergeRule(ast) {
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        enter: processRule
+    });
+}
+
+module.exports = mergeRule;
+
+},{"./utils.cjs":165,"css-tree":180}],159:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const utils = require('./utils.cjs');
+
+function calcSelectorLength(list) {
+    return list.reduce((res, data) => res + data.id.length + 1, 0) - 1;
+}
+
+function calcDeclarationsLength(tokens) {
+    let length = 0;
+
+    for (const token of tokens) {
+        length += token.length;
+    }
+
+    return (
+        length +          // declarations
+        tokens.length - 1 // delimeters
+    );
+}
+
+function processRule(node, item, list) {
+    const avoidRulesMerge = this.block !== null ? this.block.avoidRulesMerge : false;
+    const selectors = node.prelude.children;
+    const block = node.block;
+    const disallowDownMarkers = Object.create(null);
+    let allowMergeUp = true;
+    let allowMergeDown = true;
+
+    list.prevUntil(item.prev, function(prev, prevItem) {
+        const prevBlock = prev.block;
+        const prevType = prev.type;
+
+        if (prevType !== 'Rule') {
+            const unsafe = utils.unsafeToSkipNode.call(selectors, prev);
+
+            if (!unsafe && prevType === 'Atrule' && prevBlock) {
+                cssTree.walk(prevBlock, {
+                    visit: 'Rule',
+                    enter(node) {
+                        node.prelude.children.forEach((data) => {
+                            disallowDownMarkers[data.compareMarker] = true;
+                        });
+                    }
+                });
+            }
+
+            return unsafe;
+        }
+
+        if (node.pseudoSignature !== prev.pseudoSignature) {
+            return true;
+        }
+
+        const prevSelectors = prev.prelude.children;
+
+        allowMergeDown = !prevSelectors.some((selector) =>
+            selector.compareMarker in disallowDownMarkers
+        );
+
+        // try prev ruleset if simpleselectors has no equal specifity and element selector
+        if (!allowMergeDown && !allowMergeUp) {
+            return true;
+        }
+
+        // try to join by selectors
+        if (allowMergeUp && utils.isEqualSelectors(prevSelectors, selectors)) {
+            prevBlock.children.appendList(block.children);
+            list.remove(item);
+
+            return true;
+        }
+
+        // try to join by properties
+        const diff = utils.compareDeclarations(block.children, prevBlock.children);
+
+        // console.log(diff.eq, diff.ne1, diff.ne2);
+
+        if (diff.eq.length) {
+            if (!diff.ne1.length && !diff.ne2.length) {
+                // equal blocks
+                if (allowMergeDown) {
+                    utils.addSelectors(selectors, prevSelectors);
+                    list.remove(prevItem);
+                }
+
+                return true;
+            } else if (!avoidRulesMerge) { /* probably we don't need to prevent those merges for @keyframes
+                                              TODO: need to be checked */
+
+                if (diff.ne1.length && !diff.ne2.length) {
+                    // prevBlock is subset block
+                    const selectorLength = calcSelectorLength(selectors);
+                    const blockLength = calcDeclarationsLength(diff.eq); // declarations length
+
+                    if (allowMergeUp && selectorLength < blockLength) {
+                        utils.addSelectors(prevSelectors, selectors);
+                        block.children.fromArray(diff.ne1);
+                    }
+                } else if (!diff.ne1.length && diff.ne2.length) {
+                    // node is subset of prevBlock
+                    const selectorLength = calcSelectorLength(prevSelectors);
+                    const blockLength = calcDeclarationsLength(diff.eq); // declarations length
+
+                    if (allowMergeDown && selectorLength < blockLength) {
+                        utils.addSelectors(selectors, prevSelectors);
+                        prevBlock.children.fromArray(diff.ne2);
+                    }
+                } else {
+                    // diff.ne1.length && diff.ne2.length
+                    // extract equal block
+                    const newSelector = {
+                        type: 'SelectorList',
+                        loc: null,
+                        children: utils.addSelectors(prevSelectors.copy(), selectors)
+                    };
+                    const newBlockLength = calcSelectorLength(newSelector.children) + 2; // selectors length + curly braces length
+                    const blockLength = calcDeclarationsLength(diff.eq); // declarations length
+
+                    // create new ruleset if declarations length greater than
+                    // ruleset description overhead
+                    if (blockLength >= newBlockLength) {
+                        const newItem = list.createItem({
+                            type: 'Rule',
+                            loc: null,
+                            prelude: newSelector,
+                            block: {
+                                type: 'Block',
+                                loc: null,
+                                children: new cssTree.List().fromArray(diff.eq)
+                            },
+                            pseudoSignature: node.pseudoSignature
+                        });
+
+                        block.children.fromArray(diff.ne1);
+                        prevBlock.children.fromArray(diff.ne2overrided);
+
+                        if (allowMergeUp) {
+                            list.insert(newItem, prevItem);
+                        } else {
+                            list.insert(newItem, item);
+                        }
+
+                        return true;
+                    }
+                }
+            }
+        }
+
+        if (allowMergeUp) {
+            // TODO: disallow up merge only if any property interception only (i.e. diff.ne2overrided.length > 0);
+            // await property families to find property interception correctly
+            allowMergeUp = !prevSelectors.some((prevSelector) =>
+                selectors.some((selector) =>
+                    selector.compareMarker === prevSelector.compareMarker
+                )
+            );
+        }
+
+        prevSelectors.forEach((data) => {
+            disallowDownMarkers[data.compareMarker] = true;
+        });
+    });
+}
+
+function restructRule(ast) {
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        reverse: true,
+        enter: processRule
+    });
+}
+
+module.exports = restructRule;
+
+},{"./utils.cjs":165,"css-tree":180}],160:[function(require,module,exports){
+'use strict';
+
+const index = require('./prepare/index.cjs');
+const _1MergeAtrule = require('./1-mergeAtrule.cjs');
+const _2InitialMergeRuleset = require('./2-initialMergeRuleset.cjs');
+const _3DisjoinRuleset = require('./3-disjoinRuleset.cjs');
+const _4RestructShorthand = require('./4-restructShorthand.cjs');
+const _6RestructBlock = require('./6-restructBlock.cjs');
+const _7MergeRuleset = require('./7-mergeRuleset.cjs');
+const _8RestructRuleset = require('./8-restructRuleset.cjs');
+
+function restructure(ast, options) {
+    // prepare ast for restructing
+    const indexer = index(ast, options);
+    options.logger('prepare', ast);
+
+    _1MergeAtrule(ast, options);
+    options.logger('mergeAtrule', ast);
+
+    _2InitialMergeRuleset(ast);
+    options.logger('initialMergeRuleset', ast);
+
+    _3DisjoinRuleset(ast);
+    options.logger('disjoinRuleset', ast);
+
+    _4RestructShorthand(ast, indexer);
+    options.logger('restructShorthand', ast);
+
+    _6RestructBlock(ast);
+    options.logger('restructBlock', ast);
+
+    _7MergeRuleset(ast);
+    options.logger('mergeRuleset', ast);
+
+    _8RestructRuleset(ast);
+    options.logger('restructRuleset', ast);
+}
+
+module.exports = restructure;
+
+},{"./1-mergeAtrule.cjs":153,"./2-initialMergeRuleset.cjs":154,"./3-disjoinRuleset.cjs":155,"./4-restructShorthand.cjs":156,"./6-restructBlock.cjs":157,"./7-mergeRuleset.cjs":158,"./8-restructRuleset.cjs":159,"./prepare/index.cjs":162}],161:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+class Index {
+    constructor() {
+        this.map = new Map();
+    }
+    resolve(str) {
+        let index = this.map.get(str);
+
+        if (index === undefined) {
+            index = this.map.size + 1;
+            this.map.set(str, index);
+        }
+
+        return index;
+    }
+}
+function createDeclarationIndexer() {
+    const ids = new Index();
+
+    return function markDeclaration(node) {
+        const id = cssTree.generate(node);
+
+        node.id = ids.resolve(id);
+        node.length = id.length;
+        node.fingerprint = null;
+
+        return node;
+    };
+}
+
+module.exports = createDeclarationIndexer;
+
+},{"css-tree":180}],162:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const createDeclarationIndexer = require('./createDeclarationIndexer.cjs');
+const processSelector = require('./processSelector.cjs');
+
+function prepare(ast, options) {
+    const markDeclaration = createDeclarationIndexer();
+
+    cssTree.walk(ast, {
+        visit: 'Rule',
+        enter(node) {
+            node.block.children.forEach(markDeclaration);
+            processSelector(node, options.usage);
+        }
+    });
+
+    cssTree.walk(ast, {
+        visit: 'Atrule',
+        enter(node) {
+            if (node.prelude) {
+                node.prelude.id = null; // pre-init property to avoid multiple hidden class for generate
+                node.prelude.id = cssTree.generate(node.prelude);
+            }
+
+            // compare keyframe selectors by its values
+            // NOTE: still no clarification about problems with keyframes selector grouping (issue #197)
+            if (cssTree.keyword(node.name).basename === 'keyframes') {
+                node.block.avoidRulesMerge = true;  /* probably we don't need to prevent those merges for @keyframes
+                                                       TODO: need to be checked */
+                node.block.children.forEach(function(rule) {
+                    rule.prelude.children.forEach(function(simpleselector) {
+                        simpleselector.compareMarker = simpleselector.id;
+                    });
+                });
+            }
+        }
+    });
+
+    return {
+        declaration: markDeclaration
+    };
+}
+
+module.exports = prepare;
+
+},{"./createDeclarationIndexer.cjs":161,"./processSelector.cjs":163,"css-tree":180}],163:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const specificity = require('./specificity.cjs');
+
+const nonFreezePseudoElements = new Set([
+    'first-letter',
+    'first-line',
+    'after',
+    'before'
+]);
+const nonFreezePseudoClasses = new Set([
+    'link',
+    'visited',
+    'hover',
+    'active',
+    'first-letter',
+    'first-line',
+    'after',
+    'before'
+]);
+
+function processSelector(node, usageData) {
+    const pseudos = new Set();
+
+    node.prelude.children.forEach(function(simpleSelector) {
+        let tagName = '*';
+        let scope = 0;
+
+        simpleSelector.children.forEach(function(node) {
+            switch (node.type) {
+                case 'ClassSelector':
+                    if (usageData && usageData.scopes) {
+                        const classScope = usageData.scopes[node.name] || 0;
+
+                        if (scope !== 0 && classScope !== scope) {
+                            throw new Error('Selector can\'t has classes from different scopes: ' + cssTree.generate(simpleSelector));
+                        }
+
+                        scope = classScope;
+                    }
+
+                    break;
+
+                case 'PseudoClassSelector': {
+                    const name = node.name.toLowerCase();
+
+                    if (!nonFreezePseudoClasses.has(name)) {
+                        pseudos.add(`:${name}`);
+                    }
+
+                    break;
+                }
+
+                case 'PseudoElementSelector': {
+                    const name = node.name.toLowerCase();
+
+                    if (!nonFreezePseudoElements.has(name)) {
+                        pseudos.add(`::${name}`);
+                    }
+
+                    break;
+                }
+
+                case 'TypeSelector':
+                    tagName = node.name.toLowerCase();
+                    break;
+
+                case 'AttributeSelector':
+                    if (node.flags) {
+                        pseudos.add(`[${node.flags.toLowerCase()}]`);
+                    }
+
+                    break;
+
+                case 'Combinator':
+                    tagName = '*';
+                    break;
+            }
+        });
+
+        simpleSelector.compareMarker = specificity(simpleSelector).toString();
+        simpleSelector.id = null; // pre-init property to avoid multiple hidden class
+        simpleSelector.id = cssTree.generate(simpleSelector);
+
+        if (scope) {
+            simpleSelector.compareMarker += ':' + scope;
+        }
+
+        if (tagName !== '*') {
+            simpleSelector.compareMarker += ',' + tagName;
+        }
+    });
+
+    // add property to all rule nodes to avoid multiple hidden class
+    node.pseudoSignature = pseudos.size > 0
+        ? [...pseudos].sort().join(',')
+        : false;
+}
+
+module.exports = processSelector;
+
+},{"./specificity.cjs":164,"css-tree":180}],164:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+
+function ensureSelectorList(node) {
+    if (node.type === 'Raw') {
+        return cssTree.parse(node.value, { context: 'selectorList' });
+    }
+
+    return node;
+}
+
+function maxSpecificity(a, b) {
+    for (let i = 0; i < 3; i++) {
+        if (a[i] !== b[i]) {
+            return a[i] > b[i] ? a : b;
+        }
+    }
+
+    return a;
+}
+
+function maxSelectorListSpecificity(selectorList) {
+    return ensureSelectorList(selectorList).children.reduce(
+        (result, node) => maxSpecificity(specificity(node), result),
+        [0, 0, 0]
+    );
+}
+
+// §16. Calculating a selector’s specificity
+// https://www.w3.org/TR/selectors-4/#specificity-rules
+function specificity(simpleSelector) {
+    let A = 0;
+    let B = 0;
+    let C = 0;
+
+    // A selector’s specificity is calculated for a given element as follows:
+    simpleSelector.children.forEach((node) => {
+        switch (node.type) {
+            // count the number of ID selectors in the selector (= A)
+            case 'IdSelector':
+                A++;
+                break;
+
+            // count the number of class selectors, attributes selectors, ...
+            case 'ClassSelector':
+            case 'AttributeSelector':
+                B++;
+                break;
+
+            // ... and pseudo-classes in the selector (= B)
+            case 'PseudoClassSelector':
+                switch (node.name.toLowerCase()) {
+                    // The specificity of an :is(), :not(), or :has() pseudo-class is replaced
+                    // by the specificity of the most specific complex selector in its selector list argument.
+                    case 'not':
+                    case 'has':
+                    case 'is':
+                    // :matches() is used before it was renamed to :is()
+                    // https://github.com/w3c/csswg-drafts/issues/3258
+                    case 'matches':
+                    // Older browsers support :is() functionality as prefixed pseudo-class :any()
+                    // https://developer.mozilla.org/en-US/docs/Web/CSS/:is
+                    case '-webkit-any':
+                    case '-moz-any': {
+                        const [a, b, c] = maxSelectorListSpecificity(node.children.first);
+
+                        A += a;
+                        B += b;
+                        C += c;
+
+                        break;
+                    }
+
+                    // Analogously, the specificity of an :nth-child() or :nth-last-child() selector
+                    // is the specificity of the pseudo class itself (counting as one pseudo-class selector)
+                    // plus the specificity of the most specific complex selector in its selector list argument (if any).
+                    case 'nth-child':
+                    case 'nth-last-child': {
+                        const arg = node.children.first;
+
+                        if (arg.type === 'Nth' && arg.selector) {
+                            const [a, b, c] = maxSelectorListSpecificity(arg.selector);
+
+                            A += a;
+                            B += b + 1;
+                            C += c;
+                        } else {
+                            B++;
+                        }
+
+                        break;
+                    }
+
+                    // The specificity of a :where() pseudo-class is replaced by zero.
+                    case 'where':
+                        break;
+
+                    // The four Level 2 pseudo-elements (::before, ::after, ::first-line, and ::first-letter) may,
+                    // for legacy reasons, be represented using the <pseudo-class-selector> grammar,
+                    // with only a single ":" character at their start.
+                    // https://www.w3.org/TR/selectors-4/#single-colon-pseudos
+                    case 'before':
+                    case 'after':
+                    case 'first-line':
+                    case 'first-letter':
+                        C++;
+                        break;
+
+                    default:
+                        B++;
+                }
+                break;
+
+            // count the number of type selectors ...
+            case 'TypeSelector':
+                // ignore the universal selector
+                if (!node.name.endsWith('*')) {
+                    C++;
+                }
+                break;
+
+            // ... and pseudo-elements in the selector (= C)
+            case 'PseudoElementSelector':
+                C++;
+                break;
+        }
+    });
+
+    return [A, B, C];
+}
+
+module.exports = specificity;
+
+},{"css-tree":180}],165:[function(require,module,exports){
+'use strict';
+
+const { hasOwnProperty } = Object.prototype;
+
+function isEqualSelectors(a, b) {
+    let cursor1 = a.head;
+    let cursor2 = b.head;
+
+    while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
+        cursor1 = cursor1.next;
+        cursor2 = cursor2.next;
+    }
+
+    return cursor1 === null && cursor2 === null;
+}
+
+function isEqualDeclarations(a, b) {
+    let cursor1 = a.head;
+    let cursor2 = b.head;
+
+    while (cursor1 !== null && cursor2 !== null && cursor1.data.id === cursor2.data.id) {
+        cursor1 = cursor1.next;
+        cursor2 = cursor2.next;
+    }
+
+    return cursor1 === null && cursor2 === null;
+}
+
+function compareDeclarations(declarations1, declarations2) {
+    const result = {
+        eq: [],
+        ne1: [],
+        ne2: [],
+        ne2overrided: []
+    };
+
+    const fingerprints = Object.create(null);
+    const declarations2hash = Object.create(null);
+
+    for (let cursor = declarations2.head; cursor; cursor = cursor.next)  {
+        declarations2hash[cursor.data.id] = true;
+    }
+
+    for (let cursor = declarations1.head; cursor; cursor = cursor.next)  {
+        const data = cursor.data;
+
+        if (data.fingerprint) {
+            fingerprints[data.fingerprint] = data.important;
+        }
+
+        if (declarations2hash[data.id]) {
+            declarations2hash[data.id] = false;
+            result.eq.push(data);
+        } else {
+            result.ne1.push(data);
+        }
+    }
+
+    for (let cursor = declarations2.head; cursor; cursor = cursor.next)  {
+        const data = cursor.data;
+
+        if (declarations2hash[data.id]) {
+            // when declarations1 has an overriding declaration, this is not a difference
+            // unless no !important is used on prev and !important is used on the following
+            if (!hasOwnProperty.call(fingerprints, data.fingerprint) ||
+                (!fingerprints[data.fingerprint] && data.important)) {
+                result.ne2.push(data);
+            }
+
+            result.ne2overrided.push(data);
+        }
+    }
+
+    return result;
+}
+
+function addSelectors(dest, source) {
+    source.forEach((sourceData) => {
+        const newStr = sourceData.id;
+        let cursor = dest.head;
+
+        while (cursor) {
+            const nextStr = cursor.data.id;
+
+            if (nextStr === newStr) {
+                return;
+            }
+
+            if (nextStr > newStr) {
+                break;
+            }
+
+            cursor = cursor.next;
+        }
+
+        dest.insert(dest.createItem(sourceData), cursor);
+    });
+
+    return dest;
+}
+
+// check if simpleselectors has no equal specificity and element selector
+function hasSimilarSelectors(selectors1, selectors2) {
+    let cursor1 = selectors1.head;
+
+    while (cursor1 !== null) {
+        let cursor2 = selectors2.head;
+
+        while (cursor2 !== null) {
+            if (cursor1.data.compareMarker === cursor2.data.compareMarker) {
+                return true;
+            }
+
+            cursor2 = cursor2.next;
+        }
+
+        cursor1 = cursor1.next;
+    }
+
+    return false;
+}
+
+// test node can't to be skipped
+function unsafeToSkipNode(node) {
+    switch (node.type) {
+        case 'Rule':
+            // unsafe skip ruleset with selector similarities
+            return hasSimilarSelectors(node.prelude.children, this);
+
+        case 'Atrule':
+            // can skip at-rules with blocks
+            if (node.block) {
+                // unsafe skip at-rule if block contains something unsafe to skip
+                return node.block.children.some(unsafeToSkipNode, this);
+            }
+            break;
+
+        case 'Declaration':
+            return false;
+    }
+
+    // unsafe by default
+    return true;
+}
+
+exports.addSelectors = addSelectors;
+exports.compareDeclarations = compareDeclarations;
+exports.hasSimilarSelectors = hasSimilarSelectors;
+exports.isEqualDeclarations = isEqualDeclarations;
+exports.isEqualSelectors = isEqualSelectors;
+exports.unsafeToSkipNode = unsafeToSkipNode;
+
+},{}],166:[function(require,module,exports){
+'use strict';
+
+const cssTree = require('css-tree');
+const compress = require('./compress.cjs');
+const specificity = require('./restructure/prepare/specificity.cjs');
+
+function encodeString(value) {
+    const stringApostrophe = cssTree.string.encode(value, true);
+    const stringQuote = cssTree.string.encode(value);
+
+    return stringApostrophe.length < stringQuote.length
+        ? stringApostrophe
+        : stringQuote;
+}
+
+const {
+    lexer,
+    tokenize,
+    parse,
+    generate,
+    walk,
+    find,
+    findLast,
+    findAll,
+    fromPlainObject,
+    toPlainObject
+} = cssTree.fork({
+    node: {
+        String: {
+            generate(node) {
+                this.token(cssTree.tokenTypes.String, encodeString(node.value));
+            }
+        },
+        Url: {
+            generate(node) {
+                const encodedUrl = cssTree.url.encode(node.value);
+                const string = encodeString(node.value);
+
+                this.token(cssTree.tokenTypes.Url,
+                    encodedUrl.length <= string.length + 5 /* "url()".length */
+                        ? encodedUrl
+                        : 'url(' + string + ')'
+                );
+            }
+        }
+    }
+});
+
+exports.compress = compress;
+exports.specificity = specificity;
+exports.find = find;
+exports.findAll = findAll;
+exports.findLast = findLast;
+exports.fromPlainObject = fromPlainObject;
+exports.generate = generate;
+exports.lexer = lexer;
+exports.parse = parse;
+exports.toPlainObject = toPlainObject;
+exports.tokenize = tokenize;
+exports.walk = walk;
+
+},{"./compress.cjs":137,"./restructure/prepare/specificity.cjs":164,"css-tree":180}],167:[function(require,module,exports){
+'use strict';
+
+const { hasOwnProperty } = Object.prototype;
+
+function buildMap(list, caseInsensitive) {
+    const map = Object.create(null);
+
+    if (!Array.isArray(list)) {
+        return null;
+    }
+
+    for (let name of list) {
+        if (caseInsensitive) {
+            name = name.toLowerCase();
+        }
+
+        map[name] = true;
+    }
+
+    return map;
+}
+
+function buildList(data) {
+    if (!data) {
+        return null;
+    }
+
+    const tags = buildMap(data.tags, true);
+    const ids = buildMap(data.ids);
+    const classes = buildMap(data.classes);
+
+    if (tags === null &&
+        ids === null &&
+        classes === null) {
+        return null;
+    }
+
+    return {
+        tags,
+        ids,
+        classes
+    };
+}
+
+function buildIndex(data) {
+    let scopes = false;
+
+    if (data.scopes && Array.isArray(data.scopes)) {
+        scopes = Object.create(null);
+
+        for (let i = 0; i < data.scopes.length; i++) {
+            const list = data.scopes[i];
+
+            if (!list || !Array.isArray(list)) {
+                throw new Error('Wrong usage format');
+            }
+
+            for (const name of list) {
+                if (hasOwnProperty.call(scopes, name)) {
+                    throw new Error(`Class can't be used for several scopes: ${name}`);
+                }
+
+                scopes[name] = i + 1;
+            }
+        }
+    }
+
+    return {
+        whitelist: buildList(data),
+        blacklist: buildList(data.blacklist),
+        scopes
+    };
+}
+
+exports.buildIndex = buildIndex;
+
+},{}],168:[function(require,module,exports){
+'use strict';
+
+const processSelector = require('./restructure/prepare/processSelector.cjs');
+const utils$1 = require('./restructure/utils.cjs');
+
+
+
+exports.processSelector = processSelector;
+exports.addSelectors = utils$1.addSelectors;
+exports.compareDeclarations = utils$1.compareDeclarations;
+exports.hasSimilarSelectors = utils$1.hasSimilarSelectors;
+exports.isEqualDeclarations = utils$1.isEqualDeclarations;
+exports.isEqualSelectors = utils$1.isEqualSelectors;
+exports.unsafeToSkipNode = utils$1.unsafeToSkipNode;
+
+},{"./restructure/prepare/processSelector.cjs":163,"./restructure/utils.cjs":165}],169:[function(require,module,exports){
+module.exports = "5.0.5";
+},{}],170:[function(require,module,exports){
+arguments[4][15][0].apply(exports,arguments)
+},{"../utils/List.cjs":266,"dup":15}],171:[function(require,module,exports){
+arguments[4][16][0].apply(exports,arguments)
+},{"../utils/create-custom-error.cjs":268,"dup":16}],172:[function(require,module,exports){
+arguments[4][17][0].apply(exports,arguments)
+},{"dup":17}],173:[function(require,module,exports){
+arguments[4][18][0].apply(exports,arguments)
+},{"./SyntaxError.cjs":171,"./generate.cjs":172,"./parse.cjs":174,"./walk.cjs":176,"dup":18}],174:[function(require,module,exports){
+arguments[4][19][0].apply(exports,arguments)
+},{"./tokenizer.cjs":175,"dup":19}],175:[function(require,module,exports){
+arguments[4][20][0].apply(exports,arguments)
+},{"./SyntaxError.cjs":171,"dup":20}],176:[function(require,module,exports){
+arguments[4][21][0].apply(exports,arguments)
+},{"dup":21}],177:[function(require,module,exports){
+arguments[4][22][0].apply(exports,arguments)
+},{"../tokenizer/index.cjs":262,"../tokenizer/types.cjs":264,"./sourceMap.cjs":178,"./token-before.cjs":179,"dup":22}],178:[function(require,module,exports){
+arguments[4][23][0].apply(exports,arguments)
+},{"dup":23,"source-map-js/lib/source-map-generator.js":317}],179:[function(require,module,exports){
+arguments[4][24][0].apply(exports,arguments)
+},{"../tokenizer/types.cjs":264,"dup":24}],180:[function(require,module,exports){
+arguments[4][25][0].apply(exports,arguments)
+},{"./definition-syntax/index.cjs":173,"./lexer/Lexer.cjs":181,"./syntax/create.cjs":206,"./syntax/index.cjs":209,"./tokenizer/TokenStream.cjs":259,"./tokenizer/names.cjs":263,"./tokenizer/types.cjs":264,"./utils/List.cjs":266,"./utils/clone.cjs":267,"./utils/ident.cjs":269,"./utils/names.cjs":270,"./utils/string.cjs":271,"./utils/url.cjs":272,"./version.cjs":275,"dup":25}],181:[function(require,module,exports){
+'use strict';
+
+const error = require('./error.cjs');
+const names = require('../utils/names.cjs');
+const genericConst = require('./generic-const.cjs');
+const generic = require('./generic.cjs');
+const prepareTokens = require('./prepare-tokens.cjs');
+const matchGraph = require('./match-graph.cjs');
+const match = require('./match.cjs');
+const trace = require('./trace.cjs');
+const search = require('./search.cjs');
+const structure = require('./structure.cjs');
+const parse = require('../definition-syntax/parse.cjs');
+const generate = require('../definition-syntax/generate.cjs');
+const walk = require('../definition-syntax/walk.cjs');
+
+const cssWideKeywordsSyntax = matchGraph.buildMatchGraph(genericConst.cssWideKeywords.join(' | '));
+
+function dumpMapSyntax(map, compact, syntaxAsAst) {
+    const result = {};
+
+    for (const name in map) {
+        if (map[name].syntax) {
+            result[name] = syntaxAsAst
+                ? map[name].syntax
+                : generate.generate(map[name].syntax, { compact });
+        }
+    }
+
+    return result;
+}
+
+function dumpAtruleMapSyntax(map, compact, syntaxAsAst) {
+    const result = {};
+
+    for (const [name, atrule] of Object.entries(map)) {
+        result[name] = {
+            prelude: atrule.prelude && (
+                syntaxAsAst
+                    ? atrule.prelude.syntax
+                    : generate.generate(atrule.prelude.syntax, { compact })
+            ),
+            descriptors: atrule.descriptors && dumpMapSyntax(atrule.descriptors, compact, syntaxAsAst)
+        };
+    }
+
+    return result;
+}
+
+function valueHasVar(tokens) {
+    for (let i = 0; i < tokens.length; i++) {
+        if (tokens[i].value.toLowerCase() === 'var(') {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function buildMatchResult(matched, error, iterations) {
+    return {
+        matched,
+        iterations,
+        error,
+        ...trace
+    };
+}
+
+function matchSyntax(lexer, syntax, value, useCssWideKeywords) {
+    const tokens = prepareTokens(value, lexer.syntax);
+    let result;
+
+    if (valueHasVar(tokens)) {
+        return buildMatchResult(null, new Error('Matching for a tree with var() is not supported'));
+    }
+
+    if (useCssWideKeywords) {
+        result = match.matchAsTree(tokens, lexer.cssWideKeywordsSyntax, lexer);
+    }
+
+    if (!useCssWideKeywords || !result.match) {
+        result = match.matchAsTree(tokens, syntax.match, lexer);
+        if (!result.match) {
+            return buildMatchResult(
+                null,
+                new error.SyntaxMatchError(result.reason, syntax.syntax, value, result),
+                result.iterations
+            );
+        }
+    }
+
+    return buildMatchResult(result.match, null, result.iterations);
+}
+
+class Lexer {
+    constructor(config, syntax, structure$1) {
+        this.cssWideKeywordsSyntax = cssWideKeywordsSyntax;
+        this.syntax = syntax;
+        this.generic = false;
+        this.atrules = Object.create(null);
+        this.properties = Object.create(null);
+        this.types = Object.create(null);
+        this.structure = structure$1 || structure.getStructureFromConfig(config);
+
+        if (config) {
+            if (config.types) {
+                for (const name in config.types) {
+                    this.addType_(name, config.types[name]);
+                }
+            }
+
+            if (config.generic) {
+                this.generic = true;
+                for (const name in generic) {
+                    this.addType_(name, generic[name]);
+                }
+            }
+
+            if (config.atrules) {
+                for (const name in config.atrules) {
+                    this.addAtrule_(name, config.atrules[name]);
+                }
+            }
+
+            if (config.properties) {
+                for (const name in config.properties) {
+                    this.addProperty_(name, config.properties[name]);
+                }
+            }
+        }
+    }
+
+    checkStructure(ast) {
+        function collectWarning(node, message) {
+            warns.push({ node, message });
+        }
+
+        const structure = this.structure;
+        const warns = [];
+
+        this.syntax.walk(ast, function(node) {
+            if (structure.hasOwnProperty(node.type)) {
+                structure[node.type].check(node, collectWarning);
+            } else {
+                collectWarning(node, 'Unknown node type `' + node.type + '`');
+            }
+        });
+
+        return warns.length ? warns : false;
+    }
+
+    createDescriptor(syntax, type, name, parent = null) {
+        const ref = {
+            type,
+            name
+        };
+        const descriptor = {
+            type,
+            name,
+            parent,
+            serializable: typeof syntax === 'string' || (syntax && typeof syntax.type === 'string'),
+            syntax: null,
+            match: null
+        };
+
+        if (typeof syntax === 'function') {
+            descriptor.match = matchGraph.buildMatchGraph(syntax, ref);
+        } else {
+            if (typeof syntax === 'string') {
+                // lazy parsing on first access
+                Object.defineProperty(descriptor, 'syntax', {
+                    get() {
+                        Object.defineProperty(descriptor, 'syntax', {
+                            value: parse.parse(syntax)
+                        });
+
+                        return descriptor.syntax;
+                    }
+                });
+            } else {
+                descriptor.syntax = syntax;
+            }
+
+            // lazy graph build on first access
+            Object.defineProperty(descriptor, 'match', {
+                get() {
+                    Object.defineProperty(descriptor, 'match', {
+                        value: matchGraph.buildMatchGraph(descriptor.syntax, ref)
+                    });
+
+                    return descriptor.match;
+                }
+            });
+        }
+
+        return descriptor;
+    }
+    addAtrule_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.atrules[name] = {
+            type: 'Atrule',
+            name: name,
+            prelude: syntax.prelude ? this.createDescriptor(syntax.prelude, 'AtrulePrelude', name) : null,
+            descriptors: syntax.descriptors
+                ? Object.keys(syntax.descriptors).reduce(
+                    (map, descName) => {
+                        map[descName] = this.createDescriptor(syntax.descriptors[descName], 'AtruleDescriptor', descName, name);
+                        return map;
+                    },
+                    Object.create(null)
+                )
+                : null
+        };
+    }
+    addProperty_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.properties[name] = this.createDescriptor(syntax, 'Property', name);
+    }
+    addType_(name, syntax) {
+        if (!syntax) {
+            return;
+        }
+
+        this.types[name] = this.createDescriptor(syntax, 'Type', name);
+    }
+
+    checkAtruleName(atruleName) {
+        if (!this.getAtrule(atruleName)) {
+            return new error.SyntaxReferenceError('Unknown at-rule', '@' + atruleName);
+        }
+    }
+    checkAtrulePrelude(atruleName, prelude) {
+        const error = this.checkAtruleName(atruleName);
+
+        if (error) {
+            return error;
+        }
+
+        const atrule = this.getAtrule(atruleName);
+
+        if (!atrule.prelude && prelude) {
+            return new SyntaxError('At-rule `@' + atruleName + '` should not contain a prelude');
+        }
+
+        if (atrule.prelude && !prelude) {
+            if (!matchSyntax(this, atrule.prelude, '', false).matched) {
+                return new SyntaxError('At-rule `@' + atruleName + '` should contain a prelude');
+            }
+        }
+    }
+    checkAtruleDescriptorName(atruleName, descriptorName) {
+        const error$1 = this.checkAtruleName(atruleName);
+
+        if (error$1) {
+            return error$1;
+        }
+
+        const atrule = this.getAtrule(atruleName);
+        const descriptor = names.keyword(descriptorName);
+
+        if (!atrule.descriptors) {
+            return new SyntaxError('At-rule `@' + atruleName + '` has no known descriptors');
+        }
+
+        if (!atrule.descriptors[descriptor.name] &&
+            !atrule.descriptors[descriptor.basename]) {
+            return new error.SyntaxReferenceError('Unknown at-rule descriptor', descriptorName);
+        }
+    }
+    checkPropertyName(propertyName) {
+        if (!this.getProperty(propertyName)) {
+            return new error.SyntaxReferenceError('Unknown property', propertyName);
+        }
+    }
+
+    matchAtrulePrelude(atruleName, prelude) {
+        const error = this.checkAtrulePrelude(atruleName, prelude);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        const atrule = this.getAtrule(atruleName);
+
+        if (!atrule.prelude) {
+            return buildMatchResult(null, null);
+        }
+
+        return matchSyntax(this, atrule.prelude, prelude || '', false);
+    }
+    matchAtruleDescriptor(atruleName, descriptorName, value) {
+        const error = this.checkAtruleDescriptorName(atruleName, descriptorName);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        const atrule = this.getAtrule(atruleName);
+        const descriptor = names.keyword(descriptorName);
+
+        return matchSyntax(this, atrule.descriptors[descriptor.name] || atrule.descriptors[descriptor.basename], value, false);
+    }
+    matchDeclaration(node) {
+        if (node.type !== 'Declaration') {
+            return buildMatchResult(null, new Error('Not a Declaration node'));
+        }
+
+        return this.matchProperty(node.property, node.value);
+    }
+    matchProperty(propertyName, value) {
+        // don't match syntax for a custom property at the moment
+        if (names.property(propertyName).custom) {
+            return buildMatchResult(null, new Error('Lexer matching doesn\'t applicable for custom properties'));
+        }
+
+        const error = this.checkPropertyName(propertyName);
+
+        if (error) {
+            return buildMatchResult(null, error);
+        }
+
+        return matchSyntax(this, this.getProperty(propertyName), value, true);
+    }
+    matchType(typeName, value) {
+        const typeSyntax = this.getType(typeName);
+
+        if (!typeSyntax) {
+            return buildMatchResult(null, new error.SyntaxReferenceError('Unknown type', typeName));
+        }
+
+        return matchSyntax(this, typeSyntax, value, false);
+    }
+    match(syntax, value) {
+        if (typeof syntax !== 'string' && (!syntax || !syntax.type)) {
+            return buildMatchResult(null, new error.SyntaxReferenceError('Bad syntax'));
+        }
+
+        if (typeof syntax === 'string' || !syntax.match) {
+            syntax = this.createDescriptor(syntax, 'Type', 'anonymous');
+        }
+
+        return matchSyntax(this, syntax, value, false);
+    }
+
+    findValueFragments(propertyName, value, type, name) {
+        return search.matchFragments(this, value, this.matchProperty(propertyName, value), type, name);
+    }
+    findDeclarationValueFragments(declaration, type, name) {
+        return search.matchFragments(this, declaration.value, this.matchDeclaration(declaration), type, name);
+    }
+    findAllFragments(ast, type, name) {
+        const result = [];
+
+        this.syntax.walk(ast, {
+            visit: 'Declaration',
+            enter: (declaration) => {
+                result.push.apply(result, this.findDeclarationValueFragments(declaration, type, name));
+            }
+        });
+
+        return result;
+    }
+
+    getAtrule(atruleName, fallbackBasename = true) {
+        const atrule = names.keyword(atruleName);
+        const atruleEntry = atrule.vendor && fallbackBasename
+            ? this.atrules[atrule.name] || this.atrules[atrule.basename]
+            : this.atrules[atrule.name];
+
+        return atruleEntry || null;
+    }
+    getAtrulePrelude(atruleName, fallbackBasename = true) {
+        const atrule = this.getAtrule(atruleName, fallbackBasename);
+
+        return atrule && atrule.prelude || null;
+    }
+    getAtruleDescriptor(atruleName, name) {
+        return this.atrules.hasOwnProperty(atruleName) && this.atrules.declarators
+            ? this.atrules[atruleName].declarators[name] || null
+            : null;
+    }
+    getProperty(propertyName, fallbackBasename = true) {
+        const property = names.property(propertyName);
+        const propertyEntry = property.vendor && fallbackBasename
+            ? this.properties[property.name] || this.properties[property.basename]
+            : this.properties[property.name];
+
+        return propertyEntry || null;
+    }
+    getType(name) {
+        return hasOwnProperty.call(this.types, name) ? this.types[name] : null;
+    }
+
+    validate() {
+        function validate(syntax, name, broken, descriptor) {
+            if (broken.has(name)) {
+                return broken.get(name);
+            }
+
+            broken.set(name, false);
+            if (descriptor.syntax !== null) {
+                walk.walk(descriptor.syntax, function(node) {
+                    if (node.type !== 'Type' && node.type !== 'Property') {
+                        return;
+                    }
+
+                    const map = node.type === 'Type' ? syntax.types : syntax.properties;
+                    const brokenMap = node.type === 'Type' ? brokenTypes : brokenProperties;
+
+                    if (!hasOwnProperty.call(map, node.name) || validate(syntax, node.name, brokenMap, map[node.name])) {
+                        broken.set(name, true);
+                    }
+                }, this);
+            }
+        }
+
+        let brokenTypes = new Map();
+        let brokenProperties = new Map();
+
+        for (const key in this.types) {
+            validate(this, key, brokenTypes, this.types[key]);
+        }
+
+        for (const key in this.properties) {
+            validate(this, key, brokenProperties, this.properties[key]);
+        }
+
+        brokenTypes = [...brokenTypes.keys()].filter(name => brokenTypes.get(name));
+        brokenProperties = [...brokenProperties.keys()].filter(name => brokenProperties.get(name));
+
+        if (brokenTypes.length || brokenProperties.length) {
+            return {
+                types: brokenTypes,
+                properties: brokenProperties
+            };
+        }
+
+        return null;
+    }
+    dump(syntaxAsAst, pretty) {
+        return {
+            generic: this.generic,
+            types: dumpMapSyntax(this.types, !pretty, syntaxAsAst),
+            properties: dumpMapSyntax(this.properties, !pretty, syntaxAsAst),
+            atrules: dumpAtruleMapSyntax(this.atrules, !pretty, syntaxAsAst)
+        };
+    }
+    toString() {
+        return JSON.stringify(this.dump());
+    }
+}
+
+exports.Lexer = Lexer;
+
+},{"../definition-syntax/generate.cjs":172,"../definition-syntax/parse.cjs":174,"../definition-syntax/walk.cjs":176,"../utils/names.cjs":270,"./error.cjs":182,"./generic-const.cjs":184,"./generic.cjs":186,"./match-graph.cjs":187,"./match.cjs":188,"./prepare-tokens.cjs":189,"./search.cjs":190,"./structure.cjs":191,"./trace.cjs":192}],182:[function(require,module,exports){
+arguments[4][27][0].apply(exports,arguments)
+},{"../definition-syntax/generate.cjs":172,"../utils/create-custom-error.cjs":268,"dup":27}],183:[function(require,module,exports){
+arguments[4][28][0].apply(exports,arguments)
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/types.cjs":264,"../tokenizer/utils.cjs":265,"dup":28}],184:[function(require,module,exports){
+arguments[4][29][0].apply(exports,arguments)
+},{"dup":29}],185:[function(require,module,exports){
+arguments[4][30][0].apply(exports,arguments)
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/types.cjs":264,"../tokenizer/utils.cjs":265,"dup":30}],186:[function(require,module,exports){
+'use strict';
+
+const genericConst = require('./generic-const.cjs');
+const genericAnPlusB = require('./generic-an-plus-b.cjs');
+const genericUrange = require('./generic-urange.cjs');
+const types = require('../tokenizer/types.cjs');
+const charCodeDefinitions = require('../tokenizer/char-code-definitions.cjs');
+const utils = require('../tokenizer/utils.cjs');
+
+const calcFunctionNames = ['calc(', '-moz-calc(', '-webkit-calc('];
+const balancePair = new Map([
+    [types.Function, types.RightParenthesis],
+    [types.LeftParenthesis, types.RightParenthesis],
+    [types.LeftSquareBracket, types.RightSquareBracket],
+    [types.LeftCurlyBracket, types.RightCurlyBracket]
+]);
+
+// units
+const LENGTH = [
+    // absolute length units https://www.w3.org/TR/css-values-3/#lengths
+    'cm', 'mm', 'q', 'in', 'pt', 'pc', 'px',
+    // font-relative length units https://drafts.csswg.org/css-values-4/#font-relative-lengths
+    'em', 'rem',
+    'ex', 'rex',
+    'cap', 'rcap',
+    'ch', 'rch',
+    'ic', 'ric',
+    'lh', 'rlh',
+    // viewport-percentage lengths https://drafts.csswg.org/css-values-4/#viewport-relative-lengths
+    'vw', 'svw', 'lvw', 'dvw',
+    'vh', 'svh', 'lvh', 'dvh',
+    'vi', 'svi', 'lvi', 'dvi',
+    'vb', 'svb', 'lvb', 'dvb',
+    'vmin', 'svmin', 'lvmin', 'dvmin',
+    'vmax', 'svmax', 'lvmax', 'dvmax',
+    // container relative lengths https://drafts.csswg.org/css-contain-3/#container-lengths
+    'cqw', 'cqh', 'cqi', 'cqb', 'cqmin', 'cqmax'
+];
+const ANGLE = ['deg', 'grad', 'rad', 'turn']; // https://www.w3.org/TR/css-values-3/#angles
+const TIME = ['s', 'ms'];                     // https://www.w3.org/TR/css-values-3/#time
+const FREQUENCY = ['hz', 'khz'];              // https://www.w3.org/TR/css-values-3/#frequency
+const RESOLUTION = ['dpi', 'dpcm', 'dppx', 'x']; // https://www.w3.org/TR/css-values-3/#resolution
+const FLEX = ['fr'];                          // https://drafts.csswg.org/css-grid/#fr-unit
+const DECIBEL = ['db'];                       // https://www.w3.org/TR/css3-speech/#mixing-props-voice-volume
+const SEMITONES = ['st'];                     // https://www.w3.org/TR/css3-speech/#voice-props-voice-pitch
+
+// safe char code getter
+function charCodeAt(str, index) {
+    return index < str.length ? str.charCodeAt(index) : 0;
+}
+
+function eqStr(actual, expected) {
+    return utils.cmpStr(actual, 0, actual.length, expected);
+}
+
+function eqStrAny(actual, expected) {
+    for (let i = 0; i < expected.length; i++) {
+        if (eqStr(actual, expected[i])) {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// IE postfix hack, i.e. 123\0 or 123px\9
+function isPostfixIeHack(str, offset) {
+    if (offset !== str.length - 2) {
+        return false;
+    }
+
+    return (
+        charCodeAt(str, offset) === 0x005C &&  // U+005C REVERSE SOLIDUS (\)
+        charCodeDefinitions.isDigit(charCodeAt(str, offset + 1))
+    );
+}
+
+function outOfRange(opts, value, numEnd) {
+    if (opts && opts.type === 'Range') {
+        const num = Number(
+            numEnd !== undefined && numEnd !== value.length
+                ? value.substr(0, numEnd)
+                : value
+        );
+
+        if (isNaN(num)) {
+            return true;
+        }
+
+        // FIXME: when opts.min is a string it's a dimension, skip a range validation
+        // for now since it requires a type covertation which is not implmented yet
+        if (opts.min !== null && num < opts.min && typeof opts.min !== 'string') {
+            return true;
+        }
+
+        // FIXME: when opts.max is a string it's a dimension, skip a range validation
+        // for now since it requires a type covertation which is not implmented yet
+        if (opts.max !== null && num > opts.max && typeof opts.max !== 'string') {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+function consumeFunction(token, getNextToken) {
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // balanced token consuming
+    scan:
+    do {
+        switch (token.type) {
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+
+                if (balanceStash.length === 0) {
+                    length++;
+                    break scan;
+                }
+
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// TODO: implement
+// can be used wherever <length>, <frequency>, <angle>, <time>, <percentage>, <number>, or <integer> values are allowed
+// https://drafts.csswg.org/css-values/#calc-notation
+function calc(next) {
+    return function(token, getNextToken, opts) {
+        if (token === null) {
+            return 0;
+        }
+
+        if (token.type === types.Function && eqStrAny(token.value, calcFunctionNames)) {
+            return consumeFunction(token, getNextToken);
+        }
+
+        return next(token, getNextToken, opts);
+    };
+}
+
+function tokenType(expectedTokenType) {
+    return function(token) {
+        if (token === null || token.type !== expectedTokenType) {
+            return 0;
+        }
+
+        return 1;
+    };
+}
+
+// =========================
+// Complex types
+//
+
+// https://drafts.csswg.org/css-values-4/#custom-idents
+// 4.2. Author-defined Identifiers: the <custom-ident> type
+// Some properties accept arbitrary author-defined identifiers as a component value.
+// This generic data type is denoted by <custom-ident>, and represents any valid CSS identifier
+// that would not be misinterpreted as a pre-defined keyword in that property’s value definition.
+//
+// See also: https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident
+function customIdent(token) {
+    if (token === null || token.type !== types.Ident) {
+        return 0;
+    }
+
+    const name = token.value.toLowerCase();
+
+    // The CSS-wide keywords are not valid <custom-ident>s
+    if (eqStrAny(name, genericConst.cssWideKeywords)) {
+        return 0;
+    }
+
+    // The default keyword is reserved and is also not a valid <custom-ident>
+    if (eqStr(name, 'default')) {
+        return 0;
+    }
+
+    // TODO: ignore property specific keywords (as described https://developer.mozilla.org/en-US/docs/Web/CSS/custom-ident)
+    // Specifications using <custom-ident> must specify clearly what other keywords
+    // are excluded from <custom-ident>, if any—for example by saying that any pre-defined keywords
+    // in that property’s value definition are excluded. Excluded keywords are excluded
+    // in all ASCII case permutations.
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-variables/#typedef-custom-property-name
+// A custom property is any property whose name starts with two dashes (U+002D HYPHEN-MINUS), like --foo.
+// The <custom-property-name> production corresponds to this: it’s defined as any valid identifier
+// that starts with two dashes, except -- itself, which is reserved for future use by CSS.
+// NOTE: Current implementation treat `--` as a valid name since most (all?) major browsers treat it as valid.
+function customPropertyName(token) {
+    // ... defined as any valid identifier
+    if (token === null || token.type !== types.Ident) {
+        return 0;
+    }
+
+    // ... that starts with two dashes (U+002D HYPHEN-MINUS)
+    if (charCodeAt(token.value, 0) !== 0x002D || charCodeAt(token.value, 1) !== 0x002D) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-color-4/#hex-notation
+// The syntax of a <hex-color> is a <hash-token> token whose value consists of 3, 4, 6, or 8 hexadecimal digits.
+// In other words, a hex color is written as a hash character, "#", followed by some number of digits 0-9 or
+// letters a-f (the case of the letters doesn’t matter - #00ff00 is identical to #00FF00).
+function hexColor(token) {
+    if (token === null || token.type !== types.Hash) {
+        return 0;
+    }
+
+    const length = token.value.length;
+
+    // valid values (length): #rgb (4), #rgba (5), #rrggbb (7), #rrggbbaa (9)
+    if (length !== 4 && length !== 5 && length !== 7 && length !== 9) {
+        return 0;
+    }
+
+    for (let i = 1; i < length; i++) {
+        if (!charCodeDefinitions.isHexDigit(charCodeAt(token.value, i))) {
+            return 0;
+        }
+    }
+
+    return 1;
+}
+
+function idSelector(token) {
+    if (token === null || token.type !== types.Hash) {
+        return 0;
+    }
+
+    if (!charCodeDefinitions.isIdentifierStart(charCodeAt(token.value, 1), charCodeAt(token.value, 2), charCodeAt(token.value, 3))) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// https://drafts.csswg.org/css-syntax/#any-value
+// It represents the entirety of what a valid declaration can have as its value.
+function declarationValue(token, getNextToken) {
+    if (!token) {
+        return 0;
+    }
+
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // The <declaration-value> production matches any sequence of one or more tokens,
+    // so long as the sequence does not contain ...
+    scan:
+    do {
+        switch (token.type) {
+            // ... <bad-string-token>, <bad-url-token>,
+            case types.BadString:
+            case types.BadUrl:
+                break scan;
+
+            // ... unmatched <)-token>, <]-token>, or <}-token>,
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+                break;
+
+            // ... or top-level <semicolon-token> tokens
+            case types.Semicolon:
+                if (balanceCloseType === 0) {
+                    break scan;
+                }
+
+                break;
+
+            // ... or <delim-token> tokens with a value of "!"
+            case types.Delim:
+                if (balanceCloseType === 0 && token.value === '!') {
+                    break scan;
+                }
+
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// https://drafts.csswg.org/css-syntax/#any-value
+// The <any-value> production is identical to <declaration-value>, but also
+// allows top-level <semicolon-token> tokens and <delim-token> tokens
+// with a value of "!". It represents the entirety of what valid CSS can be in any context.
+function anyValue(token, getNextToken) {
+    if (!token) {
+        return 0;
+    }
+
+    let balanceCloseType = 0;
+    let balanceStash = [];
+    let length = 0;
+
+    // The <any-value> production matches any sequence of one or more tokens,
+    // so long as the sequence ...
+    scan:
+    do {
+        switch (token.type) {
+            // ... does not contain <bad-string-token>, <bad-url-token>,
+            case types.BadString:
+            case types.BadUrl:
+                break scan;
+
+            // ... unmatched <)-token>, <]-token>, or <}-token>,
+            case types.RightCurlyBracket:
+            case types.RightParenthesis:
+            case types.RightSquareBracket:
+                if (token.type !== balanceCloseType) {
+                    break scan;
+                }
+
+                balanceCloseType = balanceStash.pop();
+                break;
+
+            case types.Function:
+            case types.LeftParenthesis:
+            case types.LeftSquareBracket:
+            case types.LeftCurlyBracket:
+                balanceStash.push(balanceCloseType);
+                balanceCloseType = balancePair.get(token.type);
+                break;
+        }
+
+        length++;
+    } while (token = getNextToken(length));
+
+    return length;
+}
+
+// =========================
+// Dimensions
+//
+
+function dimension(type) {
+    if (type) {
+        type = new Set(type);
+    }
+
+    return function(token, getNextToken, opts) {
+        if (token === null || token.type !== types.Dimension) {
+            return 0;
+        }
+
+        const numberEnd = utils.consumeNumber(token.value, 0);
+
+        // check unit
+        if (type !== null) {
+            // check for IE postfix hack, i.e. 123px\0 or 123px\9
+            const reverseSolidusOffset = token.value.indexOf('\\', numberEnd);
+            const unit = reverseSolidusOffset === -1 || !isPostfixIeHack(token.value, reverseSolidusOffset)
+                ? token.value.substr(numberEnd)
+                : token.value.substring(numberEnd, reverseSolidusOffset);
+
+            if (type.has(unit.toLowerCase()) === false) {
+                return 0;
+            }
+        }
+
+        // check range if specified
+        if (outOfRange(opts, token.value, numberEnd)) {
+            return 0;
+        }
+
+        return 1;
+    };
+}
+
+// =========================
+// Percentage
+//
+
+// §5.5. Percentages: the <percentage> type
+// https://drafts.csswg.org/css-values-4/#percentages
+function percentage(token, getNextToken, opts) {
+    // ... corresponds to the <percentage-token> production
+    if (token === null || token.type !== types.Percentage) {
+        return 0;
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, token.value.length - 1)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// =========================
+// Numeric
+//
+
+// https://drafts.csswg.org/css-values-4/#numbers
+// The value <zero> represents a literal number with the value 0. Expressions that merely
+// evaluate to a <number> with the value 0 (for example, calc(0)) do not match <zero>;
+// only literal <number-token>s do.
+function zero(next) {
+    if (typeof next !== 'function') {
+        next = function() {
+            return 0;
+        };
+    }
+
+    return function(token, getNextToken, opts) {
+        if (token !== null && token.type === types.Number) {
+            if (Number(token.value) === 0) {
+                return 1;
+            }
+        }
+
+        return next(token, getNextToken, opts);
+    };
+}
+
+// § 5.3. Real Numbers: the <number> type
+// https://drafts.csswg.org/css-values-4/#numbers
+// Number values are denoted by <number>, and represent real numbers, possibly with a fractional component.
+// ... It corresponds to the <number-token> production
+function number(token, getNextToken, opts) {
+    if (token === null) {
+        return 0;
+    }
+
+    const numberEnd = utils.consumeNumber(token.value, 0);
+    const isNumber = numberEnd === token.value.length;
+    if (!isNumber && !isPostfixIeHack(token.value, numberEnd)) {
+        return 0;
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, numberEnd)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+// §5.2. Integers: the <integer> type
+// https://drafts.csswg.org/css-values-4/#integers
+function integer(token, getNextToken, opts) {
+    // ... corresponds to a subset of the <number-token> production
+    if (token === null || token.type !== types.Number) {
+        return 0;
+    }
+
+    // The first digit of an integer may be immediately preceded by `-` or `+` to indicate the integer’s sign.
+    let i = charCodeAt(token.value, 0) === 0x002B ||       // U+002B PLUS SIGN (+)
+            charCodeAt(token.value, 0) === 0x002D ? 1 : 0; // U+002D HYPHEN-MINUS (-)
+
+    // When written literally, an integer is one or more decimal digits 0 through 9 ...
+    for (; i < token.value.length; i++) {
+        if (!charCodeDefinitions.isDigit(charCodeAt(token.value, i))) {
+            return 0;
+        }
+    }
+
+    // check range if specified
+    if (outOfRange(opts, token.value, i)) {
+        return 0;
+    }
+
+    return 1;
+}
+
+const genericSyntaxes = {
+    // token types
+    'ident-token': tokenType(types.Ident),
+    'function-token': tokenType(types.Function),
+    'at-keyword-token': tokenType(types.AtKeyword),
+    'hash-token': tokenType(types.Hash),
+    'string-token': tokenType(types.String),
+    'bad-string-token': tokenType(types.BadString),
+    'url-token': tokenType(types.Url),
+    'bad-url-token': tokenType(types.BadUrl),
+    'delim-token': tokenType(types.Delim),
+    'number-token': tokenType(types.Number),
+    'percentage-token': tokenType(types.Percentage),
+    'dimension-token': tokenType(types.Dimension),
+    'whitespace-token': tokenType(types.WhiteSpace),
+    'CDO-token': tokenType(types.CDO),
+    'CDC-token': tokenType(types.CDC),
+    'colon-token': tokenType(types.Colon),
+    'semicolon-token': tokenType(types.Semicolon),
+    'comma-token': tokenType(types.Comma),
+    '[-token': tokenType(types.LeftSquareBracket),
+    ']-token': tokenType(types.RightSquareBracket),
+    '(-token': tokenType(types.LeftParenthesis),
+    ')-token': tokenType(types.RightParenthesis),
+    '{-token': tokenType(types.LeftCurlyBracket),
+    '}-token': tokenType(types.RightCurlyBracket),
+
+    // token type aliases
+    'string': tokenType(types.String),
+    'ident': tokenType(types.Ident),
+
+    // complex types
+    'custom-ident': customIdent,
+    'custom-property-name': customPropertyName,
+    'hex-color': hexColor,
+    'id-selector': idSelector, // element( <id-selector> )
+    'an-plus-b': genericAnPlusB,
+    'urange': genericUrange,
+    'declaration-value': declarationValue,
+    'any-value': anyValue,
+
+    // dimensions
+    'dimension': calc(dimension(null)),
+    'angle': calc(dimension(ANGLE)),
+    'decibel': calc(dimension(DECIBEL)),
+    'frequency': calc(dimension(FREQUENCY)),
+    'flex': calc(dimension(FLEX)),
+    'length': calc(zero(dimension(LENGTH))),
+    'resolution': calc(dimension(RESOLUTION)),
+    'semitones': calc(dimension(SEMITONES)),
+    'time': calc(dimension(TIME)),
+
+    // percentage
+    'percentage': calc(percentage),
+
+    // numeric
+    'zero': zero(),
+    'number': calc(number),
+    'integer': calc(integer)
+};
+
+module.exports = genericSyntaxes;
+
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/types.cjs":264,"../tokenizer/utils.cjs":265,"./generic-an-plus-b.cjs":183,"./generic-const.cjs":184,"./generic-urange.cjs":185}],187:[function(require,module,exports){
+arguments[4][32][0].apply(exports,arguments)
+},{"../definition-syntax/parse.cjs":174,"dup":32}],188:[function(require,module,exports){
+arguments[4][33][0].apply(exports,arguments)
+},{"../tokenizer/types.cjs":264,"./match-graph.cjs":187,"dup":33}],189:[function(require,module,exports){
+arguments[4][34][0].apply(exports,arguments)
+},{"../tokenizer/index.cjs":262,"dup":34}],190:[function(require,module,exports){
+arguments[4][35][0].apply(exports,arguments)
+},{"../utils/List.cjs":266,"dup":35}],191:[function(require,module,exports){
+arguments[4][36][0].apply(exports,arguments)
+},{"../utils/List.cjs":266,"dup":36}],192:[function(require,module,exports){
+arguments[4][37][0].apply(exports,arguments)
+},{"dup":37}],193:[function(require,module,exports){
+arguments[4][39][0].apply(exports,arguments)
+},{"../utils/create-custom-error.cjs":268,"dup":39}],194:[function(require,module,exports){
+arguments[4][40][0].apply(exports,arguments)
+},{"../tokenizer/OffsetToLocation.cjs":258,"../tokenizer/TokenStream.cjs":259,"../tokenizer/index.cjs":262,"../tokenizer/names.cjs":263,"../tokenizer/types.cjs":264,"../tokenizer/utils.cjs":265,"../utils/List.cjs":266,"./SyntaxError.cjs":193,"./sequence.cjs":195,"dup":40}],195:[function(require,module,exports){
+arguments[4][41][0].apply(exports,arguments)
+},{"../tokenizer/types.cjs":264,"dup":41}],196:[function(require,module,exports){
+arguments[4][42][0].apply(exports,arguments)
+},{"dup":42}],197:[function(require,module,exports){
+arguments[4][43][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":43}],198:[function(require,module,exports){
+'use strict';
+
+const fontFace = require('./font-face.cjs');
+const _import = require('./import.cjs');
+const media = require('./media.cjs');
+const page = require('./page.cjs');
+const supports = require('./supports.cjs');
+
+const atrule = {
+    'font-face': fontFace,
+    'import': _import,
+    media,
+    page,
+    supports
+};
+
+module.exports = atrule;
+
+},{"./font-face.cjs":196,"./import.cjs":197,"./media.cjs":199,"./page.cjs":200,"./supports.cjs":201}],199:[function(require,module,exports){
+'use strict';
+
+const media = {
+    parse: {
+        prelude() {
+            return this.createSingleNodeList(
+                this.MediaQueryList()
+            );
+        },
+        block() {
+            return this.Block(false);
+        }
+    }
+};
+
+module.exports = media;
+
+},{}],200:[function(require,module,exports){
+arguments[4][47][0].apply(exports,arguments)
+},{"dup":47}],201:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw() {
+    return this.createSingleNodeList(
+        this.Raw(this.tokenIndex, null, false)
+    );
+}
+
+function parentheses() {
+    this.skipSC();
+
+    if (this.tokenType === types.Ident &&
+        this.lookupNonWSType(1) === types.Colon) {
+        return this.createSingleNodeList(
+            this.Declaration()
+        );
+    }
+
+    return readSequence.call(this);
+}
+
+function readSequence() {
+    const children = this.createList();
+    let child;
+
+    this.skipSC();
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.Comment:
+            case types.WhiteSpace:
+                this.next();
+                continue;
+
+            case types.Function:
+                child = this.Function(consumeRaw, this.scope.AtrulePrelude);
+                break;
+
+            case types.Ident:
+                child = this.Identifier();
+                break;
+
+            case types.LeftParenthesis:
+                child = this.Parentheses(parentheses, this.scope.AtrulePrelude);
+                break;
+
+            default:
+                break scan;
+        }
+
+        children.push(child);
+    }
+
+    return children;
+}
+
+const supports = {
+    parse: {
+        prelude() {
+            const children = readSequence.call(this);
+
+            if (this.getFirstListNode(children) === null) {
+                this.error('Condition is expected');
+            }
+
+            return children;
+        },
+        block() {
+            return this.Block(false);
+        }
+    }
+};
+
+module.exports = supports;
+
+},{"../../tokenizer/types.cjs":264}],202:[function(require,module,exports){
+arguments[4][49][0].apply(exports,arguments)
+},{"../../data.cjs":274,"../node/index.cjs":251,"dup":49}],203:[function(require,module,exports){
+'use strict';
+
+const { hasOwnProperty } = Object.prototype;
+const shape = {
+    generic: true,
+    types: appendOrAssign,
+    atrules: {
+        prelude: appendOrAssignOrNull,
+        descriptors: appendOrAssignOrNull
+    },
+    properties: appendOrAssign,
+    parseContext: assign,
+    scope: deepAssign,
+    atrule: ['parse'],
+    pseudo: ['parse'],
+    node: ['name', 'structure', 'parse', 'generate', 'walkContext']
+};
+
+function isObject(value) {
+    return value && value.constructor === Object;
+}
+
+function copy(value) {
+    return isObject(value)
+        ? { ...value }
+        : value;
+}
+
+function assign(dest, src) {
+    return Object.assign(dest, src);
+}
+
+function deepAssign(dest, src) {
+    for (const key in src) {
+        if (hasOwnProperty.call(src, key)) {
+            if (isObject(dest[key])) {
+                deepAssign(dest[key], src[key]);
+            } else {
+                dest[key] = copy(src[key]);
+            }
+        }
+    }
+
+    return dest;
+}
+
+function append(a, b) {
+    if (typeof b === 'string' && /^\s*\|/.test(b)) {
+        return typeof a === 'string'
+            ? a + b
+            : b.replace(/^\s*\|\s*/, '');
+    }
+
+    return b || null;
+}
+
+function appendOrAssign(a, b) {
+    if (typeof b === 'string') {
+        return append(a, b);
+    }
+
+    const result = { ...a };
+    for (let key in b) {
+        if (hasOwnProperty.call(b, key)) {
+            result[key] = append(hasOwnProperty.call(a, key) ? a[key] : undefined, b[key]);
+        }
+    }
+
+    return result;
+}
+
+function appendOrAssignOrNull(a, b) {
+    const result = appendOrAssign(a, b);
+
+    return !isObject(result) || Object.keys(result).length
+        ? result
+        : null;
+}
+
+function mix(dest, src, shape) {
+    for (const key in shape) {
+        if (hasOwnProperty.call(shape, key) === false) {
+            continue;
+        }
+
+        if (shape[key] === true) {
+            if (hasOwnProperty.call(src, key)) {
+                dest[key] = copy(src[key]);
+            }
+        } else if (shape[key]) {
+            if (typeof shape[key] === 'function') {
+                const fn = shape[key];
+                dest[key] = fn({}, dest[key]);
+                dest[key] = fn(dest[key] || {}, src[key]);
+            } else if (isObject(shape[key])) {
+                const result = {};
+
+                for (let name in dest[key]) {
+                    result[name] = mix({}, dest[key][name], shape[key]);
+                }
+
+                for (let name in src[key]) {
+                    result[name] = mix(result[name] || {}, src[key][name], shape[key]);
+                }
+
+                dest[key] = result;
+            } else if (Array.isArray(shape[key])) {
+                const res = {};
+                const innerShape = shape[key].reduce(function(s, k) {
+                    s[k] = true;
+                    return s;
+                }, {});
+
+                for (const [name, value] of Object.entries(dest[key] || {})) {
+                    res[name] = {};
+                    if (value) {
+                        mix(res[name], value, innerShape);
+                    }
+                }
+
+                for (const name in src[key]) {
+                    if (hasOwnProperty.call(src[key], name)) {
+                        if (!res[name]) {
+                            res[name] = {};
+                        }
+
+                        if (src[key] && src[key][name]) {
+                            mix(res[name], src[key][name], innerShape);
+                        }
+                    }
+                }
+
+                dest[key] = res;
+            }
+        }
+    }
+    return dest;
+}
+
+const mix$1 = (dest, src) => mix(dest, src, shape);
+
+module.exports = mix$1;
+
+},{}],204:[function(require,module,exports){
+arguments[4][51][0].apply(exports,arguments)
+},{"../atrule/index.cjs":198,"../node/index-parse.cjs":250,"../pseudo/index.cjs":252,"../scope/index.cjs":255,"dup":51}],205:[function(require,module,exports){
+arguments[4][52][0].apply(exports,arguments)
+},{"../node/index.cjs":251,"dup":52}],206:[function(require,module,exports){
+'use strict';
+
+const index = require('../tokenizer/index.cjs');
+const create = require('../parser/create.cjs');
+const create$2 = require('../generator/create.cjs');
+const create$3 = require('../convertor/create.cjs');
+const create$1 = require('../walker/create.cjs');
+const Lexer = require('../lexer/Lexer.cjs');
+const mix = require('./config/mix.cjs');
+
+function createSyntax(config) {
+    const parse = create.createParser(config);
+    const walk = create$1.createWalker(config);
+    const generate = create$2.createGenerator(config);
+    const { fromPlainObject, toPlainObject } = create$3.createConvertor(walk);
+
+    const syntax = {
+        lexer: null,
+        createLexer: config => new Lexer.Lexer(config, syntax, syntax.lexer.structure),
+
+        tokenize: index.tokenize,
+        parse,
+        generate,
+
+        walk,
+        find: walk.find,
+        findLast: walk.findLast,
+        findAll: walk.findAll,
+
+        fromPlainObject,
+        toPlainObject,
+
+        fork(extension) {
+            const base = mix({}, config); // copy of config
+
+            return createSyntax(
+                typeof extension === 'function'
+                    ? extension(base, Object.assign)
+                    : mix(base, extension)
+            );
+        }
+    };
+
+    syntax.lexer = new Lexer.Lexer({
+        generic: true,
+        types: config.types,
+        atrules: config.atrules,
+        properties: config.properties,
+        node: config.node
+    }, syntax);
+
+    return syntax;
+}
+const createSyntax$1 = config => createSyntax(mix({}, config));
+
+module.exports = createSyntax$1;
+
+},{"../convertor/create.cjs":170,"../generator/create.cjs":177,"../lexer/Lexer.cjs":181,"../parser/create.cjs":194,"../tokenizer/index.cjs":262,"../walker/create.cjs":273,"./config/mix.cjs":203}],207:[function(require,module,exports){
+arguments[4][54][0].apply(exports,arguments)
+},{"dup":54}],208:[function(require,module,exports){
+arguments[4][55][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":55}],209:[function(require,module,exports){
+arguments[4][56][0].apply(exports,arguments)
+},{"./config/lexer.cjs":202,"./config/parser.cjs":204,"./config/walker.cjs":205,"./create.cjs":206,"dup":56}],210:[function(require,module,exports){
+arguments[4][57][0].apply(exports,arguments)
+},{"../../tokenizer/char-code-definitions.cjs":261,"../../tokenizer/types.cjs":264,"dup":57}],211:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilLeftCurlyBracketOrSemicolon, true);
+}
+
+function isDeclarationBlockAtrule() {
+    for (let offset = 1, type; type = this.lookupType(offset); offset++) {
+        if (type === types.RightCurlyBracket) {
+            return true;
+        }
+
+        if (type === types.LeftCurlyBracket ||
+            type === types.AtKeyword) {
+            return false;
+        }
+    }
+
+    return false;
+}
+
+
+const name = 'Atrule';
+const walkContext = 'atrule';
+const structure = {
+    name: String,
+    prelude: ['AtrulePrelude', 'Raw', null],
+    block: ['Block', null]
+};
+
+function parse() {
+    const start = this.tokenStart;
+    let name;
+    let nameLowerCase;
+    let prelude = null;
+    let block = null;
+
+    this.eat(types.AtKeyword);
+
+    name = this.substrToCursor(start + 1);
+    nameLowerCase = name.toLowerCase();
+    this.skipSC();
+
+    // parse prelude
+    if (this.eof === false &&
+        this.tokenType !== types.LeftCurlyBracket &&
+        this.tokenType !== types.Semicolon) {
+        if (this.parseAtrulePrelude) {
+            prelude = this.parseWithFallback(this.AtrulePrelude.bind(this, name), consumeRaw);
+        } else {
+            prelude = consumeRaw.call(this, this.tokenIndex);
+        }
+
+        this.skipSC();
+    }
+
+    switch (this.tokenType) {
+        case types.Semicolon:
+            this.next();
+            break;
+
+        case types.LeftCurlyBracket:
+            if (hasOwnProperty.call(this.atrule, nameLowerCase) &&
+                typeof this.atrule[nameLowerCase].block === 'function') {
+                block = this.atrule[nameLowerCase].block.call(this);
+            } else {
+                // TODO: should consume block content as Raw?
+                block = this.Block(isDeclarationBlockAtrule.call(this));
+            }
+
+            break;
+    }
+
+    return {
+        type: 'Atrule',
+        loc: this.getLocation(start, this.tokenStart),
+        name,
+        prelude,
+        block
+    };
+}
+
+function generate(node) {
+    this.token(types.AtKeyword, '@' + node.name);
+
+    if (node.prelude !== null) {
+        this.node(node.prelude);
+    }
+
+    if (node.block) {
+        this.node(node.block);
+    } else {
+        this.token(types.Semicolon, ';');
+    }
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":264}],212:[function(require,module,exports){
+arguments[4][59][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":59}],213:[function(require,module,exports){
+arguments[4][60][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":60}],214:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, null, true);
+}
+function consumeRule() {
+    return this.parseWithFallback(this.Rule, consumeRaw);
+}
+function consumeRawDeclaration(startToken) {
+    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
+}
+function consumeDeclaration() {
+    if (this.tokenType === types.Semicolon) {
+        return consumeRawDeclaration.call(this, this.tokenIndex);
+    }
+
+    const node = this.parseWithFallback(this.Declaration, consumeRawDeclaration);
+
+    if (this.tokenType === types.Semicolon) {
+        this.next();
+    }
+
+    return node;
+}
+
+const name = 'Block';
+const walkContext = 'block';
+const structure = {
+    children: [[
+        'Atrule',
+        'Rule',
+        'Declaration'
+    ]]
+};
+
+function parse(isDeclaration) {
+    const consumer = isDeclaration ? consumeDeclaration : consumeRule;
+    const start = this.tokenStart;
+    let children = this.createList();
+
+    this.eat(types.LeftCurlyBracket);
+
+    scan:
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.RightCurlyBracket:
+                break scan;
+
+            case types.WhiteSpace:
+            case types.Comment:
+                this.next();
+                break;
+
+            case types.AtKeyword:
+                children.push(this.parseWithFallback(this.Atrule, consumeRaw));
+                break;
+
+            default:
+                children.push(consumer.call(this));
+        }
+    }
+
+    if (!this.eof) {
+        this.eat(types.RightCurlyBracket);
+    }
+
+    return {
+        type: 'Block',
+        loc: this.getLocation(start, this.tokenStart),
+        children
+    };
+}
+
+function generate(node) {
+    this.token(types.LeftCurlyBracket, '{');
+    this.children(node, prev => {
+        if (prev.type === 'Declaration') {
+            this.token(types.Semicolon, ';');
+        }
+    });
+    this.token(types.RightCurlyBracket, '}');
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+exports.walkContext = walkContext;
+
+},{"../../tokenizer/types.cjs":264}],215:[function(require,module,exports){
+arguments[4][62][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":62}],216:[function(require,module,exports){
+arguments[4][63][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":63}],217:[function(require,module,exports){
+arguments[4][64][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":64}],218:[function(require,module,exports){
+arguments[4][65][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":65}],219:[function(require,module,exports){
+arguments[4][66][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":66}],220:[function(require,module,exports){
+arguments[4][67][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":67}],221:[function(require,module,exports){
+arguments[4][68][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"../../utils/names.cjs":270,"dup":68}],222:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+function consumeRaw(startToken) {
+    return this.Raw(startToken, this.consumeUntilSemicolonIncluded, true);
+}
+
+const name = 'DeclarationList';
+const structure = {
+    children: [[
+        'Declaration'
+    ]]
+};
+
+function parse() {
+    const children = this.createList();
+
+    while (!this.eof) {
+        switch (this.tokenType) {
+            case types.WhiteSpace:
+            case types.Comment:
+            case types.Semicolon:
+                this.next();
+                break;
+
+            default:
+                children.push(this.parseWithFallback(this.Declaration, consumeRaw));
+        }
+    }
+
+    return {
+        type: 'DeclarationList',
+        loc: this.getLocationFromList(children),
+        children
+    };
+}
+
+function generate(node) {
+    this.children(node, prev => {
+        if (prev.type === 'Declaration') {
+            this.token(types.Semicolon, ';');
+        }
+    });
+}
+
+exports.generate = generate;
+exports.name = name;
+exports.parse = parse;
+exports.structure = structure;
+
+},{"../../tokenizer/types.cjs":264}],223:[function(require,module,exports){
+arguments[4][70][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":70}],224:[function(require,module,exports){
+arguments[4][71][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":71}],225:[function(require,module,exports){
+arguments[4][72][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":72}],226:[function(require,module,exports){
+arguments[4][73][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":73}],227:[function(require,module,exports){
+arguments[4][74][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":74}],228:[function(require,module,exports){
+arguments[4][75][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":75}],229:[function(require,module,exports){
+arguments[4][76][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":76}],230:[function(require,module,exports){
+arguments[4][77][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":77}],231:[function(require,module,exports){
+arguments[4][79][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":79}],232:[function(require,module,exports){
+arguments[4][80][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":80}],233:[function(require,module,exports){
+arguments[4][81][0].apply(exports,arguments)
+},{"dup":81}],234:[function(require,module,exports){
+arguments[4][82][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":82}],235:[function(require,module,exports){
+arguments[4][83][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":83}],236:[function(require,module,exports){
+arguments[4][84][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":84}],237:[function(require,module,exports){
+arguments[4][85][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":85}],238:[function(require,module,exports){
+arguments[4][86][0].apply(exports,arguments)
+},{"../../tokenizer/char-code-definitions.cjs":261,"../../tokenizer/types.cjs":264,"dup":86}],239:[function(require,module,exports){
+arguments[4][87][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":87}],240:[function(require,module,exports){
+arguments[4][88][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":88}],241:[function(require,module,exports){
+arguments[4][89][0].apply(exports,arguments)
+},{"dup":89}],242:[function(require,module,exports){
+arguments[4][90][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":90}],243:[function(require,module,exports){
+arguments[4][91][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"../../utils/string.cjs":271,"dup":91}],244:[function(require,module,exports){
+arguments[4][92][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":92}],245:[function(require,module,exports){
+arguments[4][93][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":93}],246:[function(require,module,exports){
+arguments[4][94][0].apply(exports,arguments)
+},{"../../tokenizer/char-code-definitions.cjs":261,"../../tokenizer/types.cjs":264,"dup":94}],247:[function(require,module,exports){
+arguments[4][95][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"../../utils/string.cjs":271,"../../utils/url.cjs":272,"dup":95}],248:[function(require,module,exports){
+arguments[4][96][0].apply(exports,arguments)
+},{"dup":96}],249:[function(require,module,exports){
+arguments[4][97][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":97}],250:[function(require,module,exports){
+'use strict';
+
+const AnPlusB = require('./AnPlusB.cjs');
+const Atrule = require('./Atrule.cjs');
+const AtrulePrelude = require('./AtrulePrelude.cjs');
+const AttributeSelector = require('./AttributeSelector.cjs');
+const Block = require('./Block.cjs');
+const Brackets = require('./Brackets.cjs');
+const CDC = require('./CDC.cjs');
+const CDO = require('./CDO.cjs');
+const ClassSelector = require('./ClassSelector.cjs');
+const Combinator = require('./Combinator.cjs');
+const Comment = require('./Comment.cjs');
+const Declaration = require('./Declaration.cjs');
+const DeclarationList = require('./DeclarationList.cjs');
+const Dimension = require('./Dimension.cjs');
+const Function = require('./Function.cjs');
+const Hash = require('./Hash.cjs');
+const Identifier = require('./Identifier.cjs');
+const IdSelector = require('./IdSelector.cjs');
+const MediaFeature = require('./MediaFeature.cjs');
+const MediaQuery = require('./MediaQuery.cjs');
+const MediaQueryList = require('./MediaQueryList.cjs');
+const Nth = require('./Nth.cjs');
+const Number = require('./Number.cjs');
+const Operator = require('./Operator.cjs');
+const Parentheses = require('./Parentheses.cjs');
+const Percentage = require('./Percentage.cjs');
+const PseudoClassSelector = require('./PseudoClassSelector.cjs');
+const PseudoElementSelector = require('./PseudoElementSelector.cjs');
+const Ratio = require('./Ratio.cjs');
+const Raw = require('./Raw.cjs');
+const Rule = require('./Rule.cjs');
+const Selector = require('./Selector.cjs');
+const SelectorList = require('./SelectorList.cjs');
+const String = require('./String.cjs');
+const StyleSheet = require('./StyleSheet.cjs');
+const TypeSelector = require('./TypeSelector.cjs');
+const UnicodeRange = require('./UnicodeRange.cjs');
+const Url = require('./Url.cjs');
+const Value = require('./Value.cjs');
+const WhiteSpace = require('./WhiteSpace.cjs');
+
+
+
+exports.AnPlusB = AnPlusB.parse;
+exports.Atrule = Atrule.parse;
+exports.AtrulePrelude = AtrulePrelude.parse;
+exports.AttributeSelector = AttributeSelector.parse;
+exports.Block = Block.parse;
+exports.Brackets = Brackets.parse;
+exports.CDC = CDC.parse;
+exports.CDO = CDO.parse;
+exports.ClassSelector = ClassSelector.parse;
+exports.Combinator = Combinator.parse;
+exports.Comment = Comment.parse;
+exports.Declaration = Declaration.parse;
+exports.DeclarationList = DeclarationList.parse;
+exports.Dimension = Dimension.parse;
+exports.Function = Function.parse;
+exports.Hash = Hash.parse;
+exports.Identifier = Identifier.parse;
+exports.IdSelector = IdSelector.parse;
+exports.MediaFeature = MediaFeature.parse;
+exports.MediaQuery = MediaQuery.parse;
+exports.MediaQueryList = MediaQueryList.parse;
+exports.Nth = Nth.parse;
+exports.Number = Number.parse;
+exports.Operator = Operator.parse;
+exports.Parentheses = Parentheses.parse;
+exports.Percentage = Percentage.parse;
+exports.PseudoClassSelector = PseudoClassSelector.parse;
+exports.PseudoElementSelector = PseudoElementSelector.parse;
+exports.Ratio = Ratio.parse;
+exports.Raw = Raw.parse;
+exports.Rule = Rule.parse;
+exports.Selector = Selector.parse;
+exports.SelectorList = SelectorList.parse;
+exports.String = String.parse;
+exports.StyleSheet = StyleSheet.parse;
+exports.TypeSelector = TypeSelector.parse;
+exports.UnicodeRange = UnicodeRange.parse;
+exports.Url = Url.parse;
+exports.Value = Value.parse;
+exports.WhiteSpace = WhiteSpace.parse;
+
+},{"./AnPlusB.cjs":210,"./Atrule.cjs":211,"./AtrulePrelude.cjs":212,"./AttributeSelector.cjs":213,"./Block.cjs":214,"./Brackets.cjs":215,"./CDC.cjs":216,"./CDO.cjs":217,"./ClassSelector.cjs":218,"./Combinator.cjs":219,"./Comment.cjs":220,"./Declaration.cjs":221,"./DeclarationList.cjs":222,"./Dimension.cjs":223,"./Function.cjs":224,"./Hash.cjs":225,"./IdSelector.cjs":226,"./Identifier.cjs":227,"./MediaFeature.cjs":228,"./MediaQuery.cjs":229,"./MediaQueryList.cjs":230,"./Nth.cjs":231,"./Number.cjs":232,"./Operator.cjs":233,"./Parentheses.cjs":234,"./Percentage.cjs":235,"./PseudoClassSelector.cjs":236,"./PseudoElementSelector.cjs":237,"./Ratio.cjs":238,"./Raw.cjs":239,"./Rule.cjs":240,"./Selector.cjs":241,"./SelectorList.cjs":242,"./String.cjs":243,"./StyleSheet.cjs":244,"./TypeSelector.cjs":245,"./UnicodeRange.cjs":246,"./Url.cjs":247,"./Value.cjs":248,"./WhiteSpace.cjs":249}],251:[function(require,module,exports){
+'use strict';
+
+const AnPlusB = require('./AnPlusB.cjs');
+const Atrule = require('./Atrule.cjs');
+const AtrulePrelude = require('./AtrulePrelude.cjs');
+const AttributeSelector = require('./AttributeSelector.cjs');
+const Block = require('./Block.cjs');
+const Brackets = require('./Brackets.cjs');
+const CDC = require('./CDC.cjs');
+const CDO = require('./CDO.cjs');
+const ClassSelector = require('./ClassSelector.cjs');
+const Combinator = require('./Combinator.cjs');
+const Comment = require('./Comment.cjs');
+const Declaration = require('./Declaration.cjs');
+const DeclarationList = require('./DeclarationList.cjs');
+const Dimension = require('./Dimension.cjs');
+const Function = require('./Function.cjs');
+const Hash = require('./Hash.cjs');
+const Identifier = require('./Identifier.cjs');
+const IdSelector = require('./IdSelector.cjs');
+const MediaFeature = require('./MediaFeature.cjs');
+const MediaQuery = require('./MediaQuery.cjs');
+const MediaQueryList = require('./MediaQueryList.cjs');
+const Nth = require('./Nth.cjs');
+const Number$1 = require('./Number.cjs');
+const Operator = require('./Operator.cjs');
+const Parentheses = require('./Parentheses.cjs');
+const Percentage = require('./Percentage.cjs');
+const PseudoClassSelector = require('./PseudoClassSelector.cjs');
+const PseudoElementSelector = require('./PseudoElementSelector.cjs');
+const Ratio = require('./Ratio.cjs');
+const Raw = require('./Raw.cjs');
+const Rule = require('./Rule.cjs');
+const Selector = require('./Selector.cjs');
+const SelectorList = require('./SelectorList.cjs');
+const String$1 = require('./String.cjs');
+const StyleSheet = require('./StyleSheet.cjs');
+const TypeSelector = require('./TypeSelector.cjs');
+const UnicodeRange = require('./UnicodeRange.cjs');
+const Url = require('./Url.cjs');
+const Value = require('./Value.cjs');
+const WhiteSpace = require('./WhiteSpace.cjs');
+
+
+
+exports.AnPlusB = AnPlusB;
+exports.Atrule = Atrule;
+exports.AtrulePrelude = AtrulePrelude;
+exports.AttributeSelector = AttributeSelector;
+exports.Block = Block;
+exports.Brackets = Brackets;
+exports.CDC = CDC;
+exports.CDO = CDO;
+exports.ClassSelector = ClassSelector;
+exports.Combinator = Combinator;
+exports.Comment = Comment;
+exports.Declaration = Declaration;
+exports.DeclarationList = DeclarationList;
+exports.Dimension = Dimension;
+exports.Function = Function;
+exports.Hash = Hash;
+exports.Identifier = Identifier;
+exports.IdSelector = IdSelector;
+exports.MediaFeature = MediaFeature;
+exports.MediaQuery = MediaQuery;
+exports.MediaQueryList = MediaQueryList;
+exports.Nth = Nth;
+exports.Number = Number$1;
+exports.Operator = Operator;
+exports.Parentheses = Parentheses;
+exports.Percentage = Percentage;
+exports.PseudoClassSelector = PseudoClassSelector;
+exports.PseudoElementSelector = PseudoElementSelector;
+exports.Ratio = Ratio;
+exports.Raw = Raw;
+exports.Rule = Rule;
+exports.Selector = Selector;
+exports.SelectorList = SelectorList;
+exports.String = String$1;
+exports.StyleSheet = StyleSheet;
+exports.TypeSelector = TypeSelector;
+exports.UnicodeRange = UnicodeRange;
+exports.Url = Url;
+exports.Value = Value;
+exports.WhiteSpace = WhiteSpace;
+
+},{"./AnPlusB.cjs":210,"./Atrule.cjs":211,"./AtrulePrelude.cjs":212,"./AttributeSelector.cjs":213,"./Block.cjs":214,"./Brackets.cjs":215,"./CDC.cjs":216,"./CDO.cjs":217,"./ClassSelector.cjs":218,"./Combinator.cjs":219,"./Comment.cjs":220,"./Declaration.cjs":221,"./DeclarationList.cjs":222,"./Dimension.cjs":223,"./Function.cjs":224,"./Hash.cjs":225,"./IdSelector.cjs":226,"./Identifier.cjs":227,"./MediaFeature.cjs":228,"./MediaQuery.cjs":229,"./MediaQueryList.cjs":230,"./Nth.cjs":231,"./Number.cjs":232,"./Operator.cjs":233,"./Parentheses.cjs":234,"./Percentage.cjs":235,"./PseudoClassSelector.cjs":236,"./PseudoElementSelector.cjs":237,"./Ratio.cjs":238,"./Raw.cjs":239,"./Rule.cjs":240,"./Selector.cjs":241,"./SelectorList.cjs":242,"./String.cjs":243,"./StyleSheet.cjs":244,"./TypeSelector.cjs":245,"./UnicodeRange.cjs":246,"./Url.cjs":247,"./Value.cjs":248,"./WhiteSpace.cjs":249}],252:[function(require,module,exports){
+'use strict';
+
+const selectorList = {
+    parse() {
+        return this.createSingleNodeList(
+            this.SelectorList()
+        );
+    }
+};
+
+const selector = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Selector()
+        );
+    }
+};
+
+const identList = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Identifier()
+        );
+    }
+};
+
+const nth = {
+    parse() {
+        return this.createSingleNodeList(
+            this.Nth()
+        );
+    }
+};
+
+const pseudo = {
+    'dir': identList,
+    'has': selectorList,
+    'lang': identList,
+    'matches': selectorList,
+    'is': selectorList,
+    '-moz-any': selectorList,
+    '-webkit-any': selectorList,
+    'where': selectorList,
+    'not': selectorList,
+    'nth-child': nth,
+    'nth-last-child': nth,
+    'nth-last-of-type': nth,
+    'nth-of-type': nth,
+    'slotted': selector
+};
+
+module.exports = pseudo;
+
+},{}],253:[function(require,module,exports){
+arguments[4][101][0].apply(exports,arguments)
+},{"./default.cjs":254,"dup":101}],254:[function(require,module,exports){
+arguments[4][102][0].apply(exports,arguments)
+},{"../../tokenizer/types.cjs":264,"dup":102}],255:[function(require,module,exports){
+arguments[4][103][0].apply(exports,arguments)
+},{"./atrulePrelude.cjs":253,"./selector.cjs":256,"./value.cjs":257,"dup":103}],256:[function(require,module,exports){
+'use strict';
+
+const types = require('../../tokenizer/types.cjs');
+
+const NUMBERSIGN = 0x0023;      // U+0023 NUMBER SIGN (#)
+const ASTERISK = 0x002A;        // U+002A ASTERISK (*)
+const PLUSSIGN = 0x002B;        // U+002B PLUS SIGN (+)
+const SOLIDUS = 0x002F;         // U+002F SOLIDUS (/)
+const FULLSTOP = 0x002E;        // U+002E FULL STOP (.)
+const GREATERTHANSIGN = 0x003E; // U+003E GREATER-THAN SIGN (>)
+const VERTICALLINE = 0x007C;    // U+007C VERTICAL LINE (|)
+const TILDE = 0x007E;           // U+007E TILDE (~)
+
+function onWhiteSpace(next, children) {
+    if (children.last !== null && children.last.type !== 'Combinator' &&
+        next !== null && next.type !== 'Combinator') {
+        children.push({  // FIXME: this.Combinator() should be used instead
+            type: 'Combinator',
+            loc: null,
+            name: ' '
+        });
+    }
+}
+
+function getNode() {
+    switch (this.tokenType) {
+        case types.LeftSquareBracket:
+            return this.AttributeSelector();
+
+        case types.Hash:
+            return this.IdSelector();
+
+        case types.Colon:
+            if (this.lookupType(1) === types.Colon) {
+                return this.PseudoElementSelector();
+            } else {
+                return this.PseudoClassSelector();
+            }
+
+        case types.Ident:
+            return this.TypeSelector();
+
+        case types.Number:
+        case types.Percentage:
+            return this.Percentage();
+
+        case types.Dimension:
+            // throws when .123ident
+            if (this.charCodeAt(this.tokenStart) === FULLSTOP) {
+                this.error('Identifier is expected', this.tokenStart + 1);
+            }
+            break;
+
+        case types.Delim: {
+            const code = this.charCodeAt(this.tokenStart);
+
+            switch (code) {
+                case PLUSSIGN:
+                case GREATERTHANSIGN:
+                case TILDE:
+                case SOLIDUS:  // /deep/
+                    return this.Combinator();
+
+                case FULLSTOP:
+                    return this.ClassSelector();
+
+                case ASTERISK:
+                case VERTICALLINE:
+                    return this.TypeSelector();
+
+                case NUMBERSIGN:
+                    return this.IdSelector();
+            }
+
+            break;
+        }
+    }
+}
+const Selector = {
+    onWhiteSpace,
+    getNode
+};
+
+module.exports = Selector;
+
+},{"../../tokenizer/types.cjs":264}],257:[function(require,module,exports){
+arguments[4][105][0].apply(exports,arguments)
+},{"../function/expression.cjs":207,"../function/var.cjs":208,"./default.cjs":254,"dup":105}],258:[function(require,module,exports){
+arguments[4][106][0].apply(exports,arguments)
+},{"./adopt-buffer.cjs":260,"./char-code-definitions.cjs":261,"dup":106}],259:[function(require,module,exports){
+arguments[4][107][0].apply(exports,arguments)
+},{"./adopt-buffer.cjs":260,"./names.cjs":263,"./types.cjs":264,"./utils.cjs":265,"dup":107}],260:[function(require,module,exports){
+arguments[4][108][0].apply(exports,arguments)
+},{"dup":108}],261:[function(require,module,exports){
+arguments[4][109][0].apply(exports,arguments)
+},{"dup":109}],262:[function(require,module,exports){
+arguments[4][110][0].apply(exports,arguments)
+},{"./OffsetToLocation.cjs":258,"./TokenStream.cjs":259,"./char-code-definitions.cjs":261,"./names.cjs":263,"./types.cjs":264,"./utils.cjs":265,"dup":110}],263:[function(require,module,exports){
+arguments[4][111][0].apply(exports,arguments)
+},{"dup":111}],264:[function(require,module,exports){
+arguments[4][112][0].apply(exports,arguments)
+},{"dup":112}],265:[function(require,module,exports){
+arguments[4][113][0].apply(exports,arguments)
+},{"./char-code-definitions.cjs":261,"dup":113}],266:[function(require,module,exports){
+arguments[4][114][0].apply(exports,arguments)
+},{"dup":114}],267:[function(require,module,exports){
+arguments[4][115][0].apply(exports,arguments)
+},{"./List.cjs":266,"dup":115}],268:[function(require,module,exports){
+arguments[4][116][0].apply(exports,arguments)
+},{"dup":116}],269:[function(require,module,exports){
+arguments[4][117][0].apply(exports,arguments)
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/utils.cjs":265,"dup":117}],270:[function(require,module,exports){
+arguments[4][118][0].apply(exports,arguments)
+},{"dup":118}],271:[function(require,module,exports){
+arguments[4][119][0].apply(exports,arguments)
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/utils.cjs":265,"dup":119}],272:[function(require,module,exports){
+arguments[4][120][0].apply(exports,arguments)
+},{"../tokenizer/char-code-definitions.cjs":261,"../tokenizer/utils.cjs":265,"dup":120}],273:[function(require,module,exports){
+arguments[4][121][0].apply(exports,arguments)
+},{"dup":121}],274:[function(require,module,exports){
+module.exports = {
+    "generic": true,
+    "types": {
+        "absolute-size": "xx-small|x-small|small|medium|large|x-large|xx-large|xxx-large",
+        "alpha-value": "<number>|<percentage>",
+        "angle-percentage": "<angle>|<percentage>",
+        "angular-color-hint": "<angle-percentage>",
+        "angular-color-stop": "<color>&&<color-stop-angle>?",
+        "angular-color-stop-list": "[<angular-color-stop> [, <angular-color-hint>]?]# , <angular-color-stop>",
+        "animateable-feature": "scroll-position|contents|<custom-ident>",
+        "attachment": "scroll|fixed|local",
+        "attr()": "attr( <attr-name> <type-or-unit>? [, <attr-fallback>]? )",
+        "attr-matcher": "['~'|'|'|'^'|'$'|'*']? '='",
+        "attr-modifier": "i|s",
+        "attribute-selector": "'[' <wq-name> ']'|'[' <wq-name> <attr-matcher> [<string-token>|<ident-token>] <attr-modifier>? ']'",
+        "auto-repeat": "repeat( [auto-fill|auto-fit] , [<line-names>? <fixed-size>]+ <line-names>? )",
+        "auto-track-list": "[<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>? <auto-repeat> [<line-names>? [<fixed-size>|<fixed-repeat>]]* <line-names>?",
+        "baseline-position": "[first|last]? baseline",
+        "basic-shape": "<inset()>|<circle()>|<ellipse()>|<polygon()>|<path()>",
+        "bg-image": "none|<image>",
+        "bg-layer": "<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>",
+        "bg-position": "[[left|center|right|top|bottom|<length-percentage>]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]|[center|[left|right] <length-percentage>?]&&[center|[top|bottom] <length-percentage>?]]",
+        "bg-size": "[<length-percentage>|auto]{1,2}|cover|contain",
+        "blur()": "blur( <length> )",
+        "blend-mode": "normal|multiply|screen|overlay|darken|lighten|color-dodge|color-burn|hard-light|soft-light|difference|exclusion|hue|saturation|color|luminosity",
+        "box": "border-box|padding-box|content-box",
+        "brightness()": "brightness( <number-percentage> )",
+        "calc()": "calc( <calc-sum> )",
+        "calc-sum": "<calc-product> [['+'|'-'] <calc-product>]*",
+        "calc-product": "<calc-value> ['*' <calc-value>|'/' <number>]*",
+        "calc-value": "<number>|<dimension>|<percentage>|( <calc-sum> )",
+        "cf-final-image": "<image>|<color>",
+        "cf-mixing-image": "<percentage>?&&<image>",
+        "circle()": "circle( [<shape-radius>]? [at <position>]? )",
+        "clamp()": "clamp( <calc-sum>#{3} )",
+        "class-selector": "'.' <ident-token>",
+        "clip-source": "<url>",
+        "color": "<rgb()>|<rgba()>|<hsl()>|<hsla()>|<hwb()>|<lab()>|<lch()>|<hex-color>|<named-color>|currentcolor|<deprecated-system-color>",
+        "color-stop": "<color-stop-length>|<color-stop-angle>",
+        "color-stop-angle": "<angle-percentage>{1,2}",
+        "color-stop-length": "<length-percentage>{1,2}",
+        "color-stop-list": "[<linear-color-stop> [, <linear-color-hint>]?]# , <linear-color-stop>",
+        "combinator": "'>'|'+'|'~'|['||']",
+        "common-lig-values": "[common-ligatures|no-common-ligatures]",
+        "compat-auto": "searchfield|textarea|push-button|slider-horizontal|checkbox|radio|square-button|menulist|listbox|meter|progress-bar|button",
+        "composite-style": "clear|copy|source-over|source-in|source-out|source-atop|destination-over|destination-in|destination-out|destination-atop|xor",
+        "compositing-operator": "add|subtract|intersect|exclude",
+        "compound-selector": "[<type-selector>? <subclass-selector>* [<pseudo-element-selector> <pseudo-class-selector>*]*]!",
+        "compound-selector-list": "<compound-selector>#",
+        "complex-selector": "<compound-selector> [<combinator>? <compound-selector>]*",
+        "complex-selector-list": "<complex-selector>#",
+        "conic-gradient()": "conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )",
+        "contextual-alt-values": "[contextual|no-contextual]",
+        "content-distribution": "space-between|space-around|space-evenly|stretch",
+        "content-list": "[<string>|contents|<image>|<counter>|<quote>|<target>|<leader()>|<attr()>]+",
+        "content-position": "center|start|end|flex-start|flex-end",
+        "content-replacement": "<image>",
+        "contrast()": "contrast( [<number-percentage>] )",
+        "counter": "<counter()>|<counters()>",
+        "counter()": "counter( <counter-name> , <counter-style>? )",
+        "counter-name": "<custom-ident>",
+        "counter-style": "<counter-style-name>|symbols( )",
+        "counter-style-name": "<custom-ident>",
+        "counters()": "counters( <counter-name> , <string> , <counter-style>? )",
+        "cross-fade()": "cross-fade( <cf-mixing-image> , <cf-final-image>? )",
+        "cubic-bezier-timing-function": "ease|ease-in|ease-out|ease-in-out|cubic-bezier( <number [0,1]> , <number> , <number [0,1]> , <number> )",
+        "deprecated-system-color": "ActiveBorder|ActiveCaption|AppWorkspace|Background|ButtonFace|ButtonHighlight|ButtonShadow|ButtonText|CaptionText|GrayText|Highlight|HighlightText|InactiveBorder|InactiveCaption|InactiveCaptionText|InfoBackground|InfoText|Menu|MenuText|Scrollbar|ThreeDDarkShadow|ThreeDFace|ThreeDHighlight|ThreeDLightShadow|ThreeDShadow|Window|WindowFrame|WindowText",
+        "discretionary-lig-values": "[discretionary-ligatures|no-discretionary-ligatures]",
+        "display-box": "contents|none",
+        "display-inside": "flow|flow-root|table|flex|grid|ruby",
+        "display-internal": "table-row-group|table-header-group|table-footer-group|table-row|table-cell|table-column-group|table-column|table-caption|ruby-base|ruby-text|ruby-base-container|ruby-text-container",
+        "display-legacy": "inline-block|inline-list-item|inline-table|inline-flex|inline-grid",
+        "display-listitem": "<display-outside>?&&[flow|flow-root]?&&list-item",
+        "display-outside": "block|inline|run-in",
+        "drop-shadow()": "drop-shadow( <length>{2,3} <color>? )",
+        "east-asian-variant-values": "[jis78|jis83|jis90|jis04|simplified|traditional]",
+        "east-asian-width-values": "[full-width|proportional-width]",
+        "element()": "element( <custom-ident> , [first|start|last|first-except]? )|element( <id-selector> )",
+        "ellipse()": "ellipse( [<shape-radius>{2}]? [at <position>]? )",
+        "ending-shape": "circle|ellipse",
+        "env()": "env( <custom-ident> , <declaration-value>? )",
+        "explicit-track-list": "[<line-names>? <track-size>]+ <line-names>?",
+        "family-name": "<string>|<custom-ident>+",
+        "feature-tag-value": "<string> [<integer>|on|off]?",
+        "feature-type": "@stylistic|@historical-forms|@styleset|@character-variant|@swash|@ornaments|@annotation",
+        "feature-value-block": "<feature-type> '{' <feature-value-declaration-list> '}'",
+        "feature-value-block-list": "<feature-value-block>+",
+        "feature-value-declaration": "<custom-ident> : <integer>+ ;",
+        "feature-value-declaration-list": "<feature-value-declaration>",
+        "feature-value-name": "<custom-ident>",
+        "fill-rule": "nonzero|evenodd",
+        "filter-function": "<blur()>|<brightness()>|<contrast()>|<drop-shadow()>|<grayscale()>|<hue-rotate()>|<invert()>|<opacity()>|<saturate()>|<sepia()>",
+        "filter-function-list": "[<filter-function>|<url>]+",
+        "final-bg-layer": "<'background-color'>||<bg-image>||<bg-position> [/ <bg-size>]?||<repeat-style>||<attachment>||<box>||<box>",
+        "fit-content()": "fit-content( [<length>|<percentage>] )",
+        "fixed-breadth": "<length-percentage>",
+        "fixed-repeat": "repeat( [<integer [1,∞]>] , [<line-names>? <fixed-size>]+ <line-names>? )",
+        "fixed-size": "<fixed-breadth>|minmax( <fixed-breadth> , <track-breadth> )|minmax( <inflexible-breadth> , <fixed-breadth> )",
+        "font-stretch-absolute": "normal|ultra-condensed|extra-condensed|condensed|semi-condensed|semi-expanded|expanded|extra-expanded|ultra-expanded|<percentage>",
+        "font-variant-css21": "[normal|small-caps]",
+        "font-weight-absolute": "normal|bold|<number [1,1000]>",
+        "frequency-percentage": "<frequency>|<percentage>",
+        "general-enclosed": "[<function-token> <any-value> )]|( <ident> <any-value> )",
+        "generic-family": "serif|sans-serif|cursive|fantasy|monospace|-apple-system",
+        "generic-name": "serif|sans-serif|cursive|fantasy|monospace",
+        "geometry-box": "<shape-box>|fill-box|stroke-box|view-box",
+        "gradient": "<linear-gradient()>|<repeating-linear-gradient()>|<radial-gradient()>|<repeating-radial-gradient()>|<conic-gradient()>|<repeating-conic-gradient()>|<-legacy-gradient>",
+        "grayscale()": "grayscale( <number-percentage> )",
+        "grid-line": "auto|<custom-ident>|[<integer>&&<custom-ident>?]|[span&&[<integer>||<custom-ident>]]",
+        "historical-lig-values": "[historical-ligatures|no-historical-ligatures]",
+        "hsl()": "hsl( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsl( <hue> , <percentage> , <percentage> , <alpha-value>? )",
+        "hsla()": "hsla( <hue> <percentage> <percentage> [/ <alpha-value>]? )|hsla( <hue> , <percentage> , <percentage> , <alpha-value>? )",
+        "hue": "<number>|<angle>",
+        "hue-rotate()": "hue-rotate( <angle> )",
+        "hwb()": "hwb( [<hue>|none] [<percentage>|none] [<percentage>|none] [/ [<alpha-value>|none]]? )",
+        "image": "<url>|<image()>|<image-set()>|<element()>|<paint()>|<cross-fade()>|<gradient>",
+        "image()": "image( <image-tags>? [<image-src>? , <color>?]! )",
+        "image-set()": "image-set( <image-set-option># )",
+        "image-set-option": "[<image>|<string>] [<resolution>||type( <string> )]",
+        "image-src": "<url>|<string>",
+        "image-tags": "ltr|rtl",
+        "inflexible-breadth": "<length>|<percentage>|min-content|max-content|auto",
+        "inset()": "inset( <length-percentage>{1,4} [round <'border-radius'>]? )",
+        "invert()": "invert( <number-percentage> )",
+        "keyframes-name": "<custom-ident>|<string>",
+        "keyframe-block": "<keyframe-selector># { <declaration-list> }",
+        "keyframe-block-list": "<keyframe-block>+",
+        "keyframe-selector": "from|to|<percentage>",
+        "layer()": "layer( <layer-name> )",
+        "layer-name": "<ident> ['.' <ident>]*",
+        "leader()": "leader( <leader-type> )",
+        "leader-type": "dotted|solid|space|<string>",
+        "length-percentage": "<length>|<percentage>",
+        "line-names": "'[' <custom-ident>* ']'",
+        "line-name-list": "[<line-names>|<name-repeat>]+",
+        "line-style": "none|hidden|dotted|dashed|solid|double|groove|ridge|inset|outset",
+        "line-width": "<length>|thin|medium|thick",
+        "linear-color-hint": "<length-percentage>",
+        "linear-color-stop": "<color> <color-stop-length>?",
+        "linear-gradient()": "linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )",
+        "mask-layer": "<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||<geometry-box>||[<geometry-box>|no-clip]||<compositing-operator>||<masking-mode>",
+        "mask-position": "[<length-percentage>|left|center|right] [<length-percentage>|top|center|bottom]?",
+        "mask-reference": "none|<image>|<mask-source>",
+        "mask-source": "<url>",
+        "masking-mode": "alpha|luminance|match-source",
+        "matrix()": "matrix( <number>#{6} )",
+        "matrix3d()": "matrix3d( <number>#{16} )",
+        "max()": "max( <calc-sum># )",
+        "media-and": "<media-in-parens> [and <media-in-parens>]+",
+        "media-condition": "<media-not>|<media-and>|<media-or>|<media-in-parens>",
+        "media-condition-without-or": "<media-not>|<media-and>|<media-in-parens>",
+        "media-feature": "( [<mf-plain>|<mf-boolean>|<mf-range>] )",
+        "media-in-parens": "( <media-condition> )|<media-feature>|<general-enclosed>",
+        "media-not": "not <media-in-parens>",
+        "media-or": "<media-in-parens> [or <media-in-parens>]+",
+        "media-query": "<media-condition>|[not|only]? <media-type> [and <media-condition-without-or>]?",
+        "media-query-list": "<media-query>#",
+        "media-type": "<ident>",
+        "mf-boolean": "<mf-name>",
+        "mf-name": "<ident>",
+        "mf-plain": "<mf-name> : <mf-value>",
+        "mf-range": "<mf-name> ['<'|'>']? '='? <mf-value>|<mf-value> ['<'|'>']? '='? <mf-name>|<mf-value> '<' '='? <mf-name> '<' '='? <mf-value>|<mf-value> '>' '='? <mf-name> '>' '='? <mf-value>",
+        "mf-value": "<number>|<dimension>|<ident>|<ratio>",
+        "min()": "min( <calc-sum># )",
+        "minmax()": "minmax( [<length>|<percentage>|min-content|max-content|auto] , [<length>|<percentage>|<flex>|min-content|max-content|auto] )",
+        "name-repeat": "repeat( [<integer [1,∞]>|auto-fill] , <line-names>+ )",
+        "named-color": "transparent|aliceblue|antiquewhite|aqua|aquamarine|azure|beige|bisque|black|blanchedalmond|blue|blueviolet|brown|burlywood|cadetblue|chartreuse|chocolate|coral|cornflowerblue|cornsilk|crimson|cyan|darkblue|darkcyan|darkgoldenrod|darkgray|darkgreen|darkgrey|darkkhaki|darkmagenta|darkolivegreen|darkorange|darkorchid|darkred|darksalmon|darkseagreen|darkslateblue|darkslategray|darkslategrey|darkturquoise|darkviolet|deeppink|deepskyblue|dimgray|dimgrey|dodgerblue|firebrick|floralwhite|forestgreen|fuchsia|gainsboro|ghostwhite|gold|goldenrod|gray|green|greenyellow|grey|honeydew|hotpink|indianred|indigo|ivory|khaki|lavender|lavenderblush|lawngreen|lemonchiffon|lightblue|lightcoral|lightcyan|lightgoldenrodyellow|lightgray|lightgreen|lightgrey|lightpink|lightsalmon|lightseagreen|lightskyblue|lightslategray|lightslategrey|lightsteelblue|lightyellow|lime|limegreen|linen|magenta|maroon|mediumaquamarine|mediumblue|mediumorchid|mediumpurple|mediumseagreen|mediumslateblue|mediumspringgreen|mediumturquoise|mediumvioletred|midnightblue|mintcream|mistyrose|moccasin|navajowhite|navy|oldlace|olive|olivedrab|orange|orangered|orchid|palegoldenrod|palegreen|paleturquoise|palevioletred|papayawhip|peachpuff|peru|pink|plum|powderblue|purple|rebeccapurple|red|rosybrown|royalblue|saddlebrown|salmon|sandybrown|seagreen|seashell|sienna|silver|skyblue|slateblue|slategray|slategrey|snow|springgreen|steelblue|tan|teal|thistle|tomato|turquoise|violet|wheat|white|whitesmoke|yellow|yellowgreen|<-non-standard-color>",
+        "namespace-prefix": "<ident>",
+        "ns-prefix": "[<ident-token>|'*']? '|'",
+        "number-percentage": "<number>|<percentage>",
+        "numeric-figure-values": "[lining-nums|oldstyle-nums]",
+        "numeric-fraction-values": "[diagonal-fractions|stacked-fractions]",
+        "numeric-spacing-values": "[proportional-nums|tabular-nums]",
+        "nth": "<an-plus-b>|even|odd",
+        "opacity()": "opacity( [<number-percentage>] )",
+        "overflow-position": "unsafe|safe",
+        "outline-radius": "<length>|<percentage>",
+        "page-body": "<declaration>? [; <page-body>]?|<page-margin-box> <page-body>",
+        "page-margin-box": "<page-margin-box-type> '{' <declaration-list> '}'",
+        "page-margin-box-type": "@top-left-corner|@top-left|@top-center|@top-right|@top-right-corner|@bottom-left-corner|@bottom-left|@bottom-center|@bottom-right|@bottom-right-corner|@left-top|@left-middle|@left-bottom|@right-top|@right-middle|@right-bottom",
+        "page-selector-list": "[<page-selector>#]?",
+        "page-selector": "<pseudo-page>+|<ident> <pseudo-page>*",
+        "page-size": "A5|A4|A3|B5|B4|JIS-B5|JIS-B4|letter|legal|ledger",
+        "path()": "path( [<fill-rule> ,]? <string> )",
+        "paint()": "paint( <ident> , <declaration-value>? )",
+        "perspective()": "perspective( <length> )",
+        "polygon()": "polygon( <fill-rule>? , [<length-percentage> <length-percentage>]# )",
+        "position": "[[left|center|right]||[top|center|bottom]|[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]?|[[left|right] <length-percentage>]&&[[top|bottom] <length-percentage>]]",
+        "pseudo-class-selector": "':' <ident-token>|':' <function-token> <any-value> ')'",
+        "pseudo-element-selector": "':' <pseudo-class-selector>",
+        "pseudo-page": ": [left|right|first|blank]",
+        "quote": "open-quote|close-quote|no-open-quote|no-close-quote",
+        "radial-gradient()": "radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )",
+        "relative-selector": "<combinator>? <complex-selector>",
+        "relative-selector-list": "<relative-selector>#",
+        "relative-size": "larger|smaller",
+        "repeat-style": "repeat-x|repeat-y|[repeat|space|round|no-repeat]{1,2}",
+        "repeating-conic-gradient()": "repeating-conic-gradient( [from <angle>]? [at <position>]? , <angular-color-stop-list> )",
+        "repeating-linear-gradient()": "repeating-linear-gradient( [<angle>|to <side-or-corner>]? , <color-stop-list> )",
+        "repeating-radial-gradient()": "repeating-radial-gradient( [<ending-shape>||<size>]? [at <position>]? , <color-stop-list> )",
+        "rgb()": "rgb( <percentage>{3} [/ <alpha-value>]? )|rgb( <number>{3} [/ <alpha-value>]? )|rgb( <percentage>#{3} , <alpha-value>? )|rgb( <number>#{3} , <alpha-value>? )",
+        "rgba()": "rgba( <percentage>{3} [/ <alpha-value>]? )|rgba( <number>{3} [/ <alpha-value>]? )|rgba( <percentage>#{3} , <alpha-value>? )|rgba( <number>#{3} , <alpha-value>? )",
+        "rotate()": "rotate( [<angle>|<zero>] )",
+        "rotate3d()": "rotate3d( <number> , <number> , <number> , [<angle>|<zero>] )",
+        "rotateX()": "rotateX( [<angle>|<zero>] )",
+        "rotateY()": "rotateY( [<angle>|<zero>] )",
+        "rotateZ()": "rotateZ( [<angle>|<zero>] )",
+        "saturate()": "saturate( <number-percentage> )",
+        "scale()": "scale( <number> , <number>? )",
+        "scale3d()": "scale3d( <number> , <number> , <number> )",
+        "scaleX()": "scaleX( <number> )",
+        "scaleY()": "scaleY( <number> )",
+        "scaleZ()": "scaleZ( <number> )",
+        "self-position": "center|start|end|self-start|self-end|flex-start|flex-end",
+        "shape-radius": "<length-percentage>|closest-side|farthest-side",
+        "skew()": "skew( [<angle>|<zero>] , [<angle>|<zero>]? )",
+        "skewX()": "skewX( [<angle>|<zero>] )",
+        "skewY()": "skewY( [<angle>|<zero>] )",
+        "sepia()": "sepia( <number-percentage> )",
+        "shadow": "inset?&&<length>{2,4}&&<color>?",
+        "shadow-t": "[<length>{2,3}&&<color>?]",
+        "shape": "rect( <top> , <right> , <bottom> , <left> )|rect( <top> <right> <bottom> <left> )",
+        "shape-box": "<box>|margin-box",
+        "side-or-corner": "[left|right]||[top|bottom]",
+        "single-animation": "<time>||<easing-function>||<time>||<single-animation-iteration-count>||<single-animation-direction>||<single-animation-fill-mode>||<single-animation-play-state>||[none|<keyframes-name>]",
+        "single-animation-direction": "normal|reverse|alternate|alternate-reverse",
+        "single-animation-fill-mode": "none|forwards|backwards|both",
+        "single-animation-iteration-count": "infinite|<number>",
+        "single-animation-play-state": "running|paused",
+        "single-animation-timeline": "auto|none|<timeline-name>",
+        "single-transition": "[none|<single-transition-property>]||<time>||<easing-function>||<time>",
+        "single-transition-property": "all|<custom-ident>",
+        "size": "closest-side|farthest-side|closest-corner|farthest-corner|<length>|<length-percentage>{2}",
+        "step-position": "jump-start|jump-end|jump-none|jump-both|start|end",
+        "step-timing-function": "step-start|step-end|steps( <integer> [, <step-position>]? )",
+        "subclass-selector": "<id-selector>|<class-selector>|<attribute-selector>|<pseudo-class-selector>",
+        "supports-condition": "not <supports-in-parens>|<supports-in-parens> [and <supports-in-parens>]*|<supports-in-parens> [or <supports-in-parens>]*",
+        "supports-in-parens": "( <supports-condition> )|<supports-feature>|<general-enclosed>",
+        "supports-feature": "<supports-decl>|<supports-selector-fn>",
+        "supports-decl": "( <declaration> )",
+        "supports-selector-fn": "selector( <complex-selector> )",
+        "symbol": "<string>|<image>|<custom-ident>",
+        "target": "<target-counter()>|<target-counters()>|<target-text()>",
+        "target-counter()": "target-counter( [<string>|<url>] , <custom-ident> , <counter-style>? )",
+        "target-counters()": "target-counters( [<string>|<url>] , <custom-ident> , <string> , <counter-style>? )",
+        "target-text()": "target-text( [<string>|<url>] , [content|before|after|first-letter]? )",
+        "time-percentage": "<time>|<percentage>",
+        "timeline-name": "<custom-ident>|<string>",
+        "easing-function": "linear|<cubic-bezier-timing-function>|<step-timing-function>",
+        "track-breadth": "<length-percentage>|<flex>|min-content|max-content|auto",
+        "track-list": "[<line-names>? [<track-size>|<track-repeat>]]+ <line-names>?",
+        "track-repeat": "repeat( [<integer [1,∞]>] , [<line-names>? <track-size>]+ <line-names>? )",
+        "track-size": "<track-breadth>|minmax( <inflexible-breadth> , <track-breadth> )|fit-content( [<length>|<percentage>] )",
+        "transform-function": "<matrix()>|<translate()>|<translateX()>|<translateY()>|<scale()>|<scaleX()>|<scaleY()>|<rotate()>|<skew()>|<skewX()>|<skewY()>|<matrix3d()>|<translate3d()>|<translateZ()>|<scale3d()>|<scaleZ()>|<rotate3d()>|<rotateX()>|<rotateY()>|<rotateZ()>|<perspective()>",
+        "transform-list": "<transform-function>+",
+        "translate()": "translate( <length-percentage> , <length-percentage>? )",
+        "translate3d()": "translate3d( <length-percentage> , <length-percentage> , <length> )",
+        "translateX()": "translateX( <length-percentage> )",
+        "translateY()": "translateY( <length-percentage> )",
+        "translateZ()": "translateZ( <length> )",
+        "type-or-unit": "string|color|url|integer|number|length|angle|time|frequency|cap|ch|em|ex|ic|lh|rlh|rem|vb|vi|vw|vh|vmin|vmax|mm|Q|cm|in|pt|pc|px|deg|grad|rad|turn|ms|s|Hz|kHz|%",
+        "type-selector": "<wq-name>|<ns-prefix>? '*'",
+        "var()": "var( <custom-property-name> , <declaration-value>? )",
+        "viewport-length": "auto|<length-percentage>",
+        "visual-box": "content-box|padding-box|border-box",
+        "wq-name": "<ns-prefix>? <ident-token>",
+        "-legacy-gradient": "<-webkit-gradient()>|<-legacy-linear-gradient>|<-legacy-repeating-linear-gradient>|<-legacy-radial-gradient>|<-legacy-repeating-radial-gradient>",
+        "-legacy-linear-gradient": "-moz-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-linear-gradient( <-legacy-linear-gradient-arguments> )",
+        "-legacy-repeating-linear-gradient": "-moz-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-webkit-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )|-o-repeating-linear-gradient( <-legacy-linear-gradient-arguments> )",
+        "-legacy-linear-gradient-arguments": "[<angle>|<side-or-corner>]? , <color-stop-list>",
+        "-legacy-radial-gradient": "-moz-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-radial-gradient( <-legacy-radial-gradient-arguments> )",
+        "-legacy-repeating-radial-gradient": "-moz-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-webkit-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )|-o-repeating-radial-gradient( <-legacy-radial-gradient-arguments> )",
+        "-legacy-radial-gradient-arguments": "[<position> ,]? [[[<-legacy-radial-gradient-shape>||<-legacy-radial-gradient-size>]|[<length>|<percentage>]{2}] ,]? <color-stop-list>",
+        "-legacy-radial-gradient-size": "closest-side|closest-corner|farthest-side|farthest-corner|contain|cover",
+        "-legacy-radial-gradient-shape": "circle|ellipse",
+        "-non-standard-font": "-apple-system-body|-apple-system-headline|-apple-system-subheadline|-apple-system-caption1|-apple-system-caption2|-apple-system-footnote|-apple-system-short-body|-apple-system-short-headline|-apple-system-short-subheadline|-apple-system-short-caption1|-apple-system-short-footnote|-apple-system-tall-body",
+        "-non-standard-color": "-moz-ButtonDefault|-moz-ButtonHoverFace|-moz-ButtonHoverText|-moz-CellHighlight|-moz-CellHighlightText|-moz-Combobox|-moz-ComboboxText|-moz-Dialog|-moz-DialogText|-moz-dragtargetzone|-moz-EvenTreeRow|-moz-Field|-moz-FieldText|-moz-html-CellHighlight|-moz-html-CellHighlightText|-moz-mac-accentdarkestshadow|-moz-mac-accentdarkshadow|-moz-mac-accentface|-moz-mac-accentlightesthighlight|-moz-mac-accentlightshadow|-moz-mac-accentregularhighlight|-moz-mac-accentregularshadow|-moz-mac-chrome-active|-moz-mac-chrome-inactive|-moz-mac-focusring|-moz-mac-menuselect|-moz-mac-menushadow|-moz-mac-menutextselect|-moz-MenuHover|-moz-MenuHoverText|-moz-MenuBarText|-moz-MenuBarHoverText|-moz-nativehyperlinktext|-moz-OddTreeRow|-moz-win-communicationstext|-moz-win-mediatext|-moz-activehyperlinktext|-moz-default-background-color|-moz-default-color|-moz-hyperlinktext|-moz-visitedhyperlinktext|-webkit-activelink|-webkit-focus-ring-color|-webkit-link|-webkit-text",
+        "-non-standard-image-rendering": "optimize-contrast|-moz-crisp-edges|-o-crisp-edges|-webkit-optimize-contrast",
+        "-non-standard-overflow": "-moz-scrollbars-none|-moz-scrollbars-horizontal|-moz-scrollbars-vertical|-moz-hidden-unscrollable",
+        "-non-standard-width": "fill-available|min-intrinsic|intrinsic|-moz-available|-moz-fit-content|-moz-min-content|-moz-max-content|-webkit-min-content|-webkit-max-content",
+        "-webkit-gradient()": "-webkit-gradient( <-webkit-gradient-type> , <-webkit-gradient-point> [, <-webkit-gradient-point>|, <-webkit-gradient-radius> , <-webkit-gradient-point>] [, <-webkit-gradient-radius>]? [, <-webkit-gradient-color-stop>]* )",
+        "-webkit-gradient-color-stop": "from( <color> )|color-stop( [<number-zero-one>|<percentage>] , <color> )|to( <color> )",
+        "-webkit-gradient-point": "[left|center|right|<length-percentage>] [top|center|bottom|<length-percentage>]",
+        "-webkit-gradient-radius": "<length>|<percentage>",
+        "-webkit-gradient-type": "linear|radial",
+        "-webkit-mask-box-repeat": "repeat|stretch|round",
+        "-webkit-mask-clip-style": "border|border-box|padding|padding-box|content|content-box|text",
+        "-ms-filter-function-list": "<-ms-filter-function>+",
+        "-ms-filter-function": "<-ms-filter-function-progid>|<-ms-filter-function-legacy>",
+        "-ms-filter-function-progid": "'progid:' [<ident-token> '.']* [<ident-token>|<function-token> <any-value>? )]",
+        "-ms-filter-function-legacy": "<ident-token>|<function-token> <any-value>? )",
+        "-ms-filter": "<string>",
+        "age": "child|young|old",
+        "attr-name": "<wq-name>",
+        "attr-fallback": "<any-value>",
+        "bg-clip": "<box>|border|text",
+        "border-radius": "<length-percentage>{1,2}",
+        "bottom": "<length>|auto",
+        "generic-voice": "[<age>? <gender> <integer>?]",
+        "gender": "male|female|neutral",
+        "lab()": "lab( [<percentage>|<number>|none] [<percentage>|<number>|none] [<percentage>|<number>|none] [/ [<alpha-value>|none]]? )",
+        "lch()": "lch( [<percentage>|<number>|none] [<percentage>|<number>|none] [<hue>|none] [/ [<alpha-value>|none]]? )",
+        "left": "<length>|auto",
+        "mask-image": "<mask-reference>#",
+        "paint": "none|<color>|<url> [none|<color>]?|context-fill|context-stroke",
+        "ratio": "<number [0,∞]> [/ <number [0,∞]>]?",
+        "reversed-counter-name": "reversed( <counter-name> )",
+        "right": "<length>|auto",
+        "svg-length": "<percentage>|<length>|<number>",
+        "svg-writing-mode": "lr-tb|rl-tb|tb-rl|lr|rl|tb",
+        "top": "<length>|auto",
+        "track-group": "'(' [<string>* <track-minmax> <string>*]+ ')' ['[' <positive-integer> ']']?|<track-minmax>",
+        "track-list-v0": "[<string>* <track-group> <string>*]+|none",
+        "track-minmax": "minmax( <track-breadth> , <track-breadth> )|auto|<track-breadth>|fit-content",
+        "x": "<number>",
+        "y": "<number>",
+        "declaration": "<ident-token> : <declaration-value>? ['!' important]?",
+        "declaration-list": "[<declaration>? ';']* <declaration>?",
+        "url": "url( <string> <url-modifier>* )|<url-token>",
+        "url-modifier": "<ident>|<function-token> <any-value> )",
+        "number-zero-one": "<number [0,1]>",
+        "number-one-or-greater": "<number [1,∞]>",
+        "positive-integer": "<integer [0,∞]>",
+        "-non-standard-display": "-ms-inline-flexbox|-ms-grid|-ms-inline-grid|-webkit-flex|-webkit-inline-flex|-webkit-box|-webkit-inline-box|-moz-inline-stack|-moz-box|-moz-inline-box"
+    },
+    "properties": {
+        "--*": "<declaration-value>",
+        "-ms-accelerator": "false|true",
+        "-ms-block-progression": "tb|rl|bt|lr",
+        "-ms-content-zoom-chaining": "none|chained",
+        "-ms-content-zooming": "none|zoom",
+        "-ms-content-zoom-limit": "<'-ms-content-zoom-limit-min'> <'-ms-content-zoom-limit-max'>",
+        "-ms-content-zoom-limit-max": "<percentage>",
+        "-ms-content-zoom-limit-min": "<percentage>",
+        "-ms-content-zoom-snap": "<'-ms-content-zoom-snap-type'>||<'-ms-content-zoom-snap-points'>",
+        "-ms-content-zoom-snap-points": "snapInterval( <percentage> , <percentage> )|snapList( <percentage># )",
+        "-ms-content-zoom-snap-type": "none|proximity|mandatory",
+        "-ms-filter": "<string>",
+        "-ms-flow-from": "[none|<custom-ident>]#",
+        "-ms-flow-into": "[none|<custom-ident>]#",
+        "-ms-grid-columns": "none|<track-list>|<auto-track-list>",
+        "-ms-grid-rows": "none|<track-list>|<auto-track-list>",
+        "-ms-high-contrast-adjust": "auto|none",
+        "-ms-hyphenate-limit-chars": "auto|<integer>{1,3}",
+        "-ms-hyphenate-limit-lines": "no-limit|<integer>",
+        "-ms-hyphenate-limit-zone": "<percentage>|<length>",
+        "-ms-ime-align": "auto|after",
+        "-ms-overflow-style": "auto|none|scrollbar|-ms-autohiding-scrollbar",
+        "-ms-scrollbar-3dlight-color": "<color>",
+        "-ms-scrollbar-arrow-color": "<color>",
+        "-ms-scrollbar-base-color": "<color>",
+        "-ms-scrollbar-darkshadow-color": "<color>",
+        "-ms-scrollbar-face-color": "<color>",
+        "-ms-scrollbar-highlight-color": "<color>",
+        "-ms-scrollbar-shadow-color": "<color>",
+        "-ms-scrollbar-track-color": "<color>",
+        "-ms-scroll-chaining": "chained|none",
+        "-ms-scroll-limit": "<'-ms-scroll-limit-x-min'> <'-ms-scroll-limit-y-min'> <'-ms-scroll-limit-x-max'> <'-ms-scroll-limit-y-max'>",
+        "-ms-scroll-limit-x-max": "auto|<length>",
+        "-ms-scroll-limit-x-min": "<length>",
+        "-ms-scroll-limit-y-max": "auto|<length>",
+        "-ms-scroll-limit-y-min": "<length>",
+        "-ms-scroll-rails": "none|railed",
+        "-ms-scroll-snap-points-x": "snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )",
+        "-ms-scroll-snap-points-y": "snapInterval( <length-percentage> , <length-percentage> )|snapList( <length-percentage># )",
+        "-ms-scroll-snap-type": "none|proximity|mandatory",
+        "-ms-scroll-snap-x": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-x'>",
+        "-ms-scroll-snap-y": "<'-ms-scroll-snap-type'> <'-ms-scroll-snap-points-y'>",
+        "-ms-scroll-translation": "none|vertical-to-horizontal",
+        "-ms-text-autospace": "none|ideograph-alpha|ideograph-numeric|ideograph-parenthesis|ideograph-space",
+        "-ms-touch-select": "grippers|none",
+        "-ms-user-select": "none|element|text",
+        "-ms-wrap-flow": "auto|both|start|end|maximum|clear",
+        "-ms-wrap-margin": "<length>",
+        "-ms-wrap-through": "wrap|none",
+        "-moz-appearance": "none|button|button-arrow-down|button-arrow-next|button-arrow-previous|button-arrow-up|button-bevel|button-focus|caret|checkbox|checkbox-container|checkbox-label|checkmenuitem|dualbutton|groupbox|listbox|listitem|menuarrow|menubar|menucheckbox|menuimage|menuitem|menuitemtext|menulist|menulist-button|menulist-text|menulist-textfield|menupopup|menuradio|menuseparator|meterbar|meterchunk|progressbar|progressbar-vertical|progresschunk|progresschunk-vertical|radio|radio-container|radio-label|radiomenuitem|range|range-thumb|resizer|resizerpanel|scale-horizontal|scalethumbend|scalethumb-horizontal|scalethumbstart|scalethumbtick|scalethumb-vertical|scale-vertical|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|separator|sheet|spinner|spinner-downbutton|spinner-textfield|spinner-upbutton|splitter|statusbar|statusbarpanel|tab|tabpanel|tabpanels|tab-scroll-arrow-back|tab-scroll-arrow-forward|textfield|textfield-multiline|toolbar|toolbarbutton|toolbarbutton-dropdown|toolbargripper|toolbox|tooltip|treeheader|treeheadercell|treeheadersortarrow|treeitem|treeline|treetwisty|treetwistyopen|treeview|-moz-mac-unified-toolbar|-moz-win-borderless-glass|-moz-win-browsertabbar-toolbox|-moz-win-communicationstext|-moz-win-communications-toolbox|-moz-win-exclude-glass|-moz-win-glass|-moz-win-mediatext|-moz-win-media-toolbox|-moz-window-button-box|-moz-window-button-box-maximized|-moz-window-button-close|-moz-window-button-maximize|-moz-window-button-minimize|-moz-window-button-restore|-moz-window-frame-bottom|-moz-window-frame-left|-moz-window-frame-right|-moz-window-titlebar|-moz-window-titlebar-maximized",
+        "-moz-binding": "<url>|none",
+        "-moz-border-bottom-colors": "<color>+|none",
+        "-moz-border-left-colors": "<color>+|none",
+        "-moz-border-right-colors": "<color>+|none",
+        "-moz-border-top-colors": "<color>+|none",
+        "-moz-context-properties": "none|[fill|fill-opacity|stroke|stroke-opacity]#",
+        "-moz-float-edge": "border-box|content-box|margin-box|padding-box",
+        "-moz-force-broken-image-icon": "0|1",
+        "-moz-image-region": "<shape>|auto",
+        "-moz-orient": "inline|block|horizontal|vertical",
+        "-moz-outline-radius": "<outline-radius>{1,4} [/ <outline-radius>{1,4}]?",
+        "-moz-outline-radius-bottomleft": "<outline-radius>",
+        "-moz-outline-radius-bottomright": "<outline-radius>",
+        "-moz-outline-radius-topleft": "<outline-radius>",
+        "-moz-outline-radius-topright": "<outline-radius>",
+        "-moz-stack-sizing": "ignore|stretch-to-fit",
+        "-moz-text-blink": "none|blink",
+        "-moz-user-focus": "ignore|normal|select-after|select-before|select-menu|select-same|select-all|none",
+        "-moz-user-input": "auto|none|enabled|disabled",
+        "-moz-user-modify": "read-only|read-write|write-only",
+        "-moz-window-dragging": "drag|no-drag",
+        "-moz-window-shadow": "default|menu|tooltip|sheet|none",
+        "-webkit-appearance": "none|button|button-bevel|caps-lock-indicator|caret|checkbox|default-button|inner-spin-button|listbox|listitem|media-controls-background|media-controls-fullscreen-background|media-current-time-display|media-enter-fullscreen-button|media-exit-fullscreen-button|media-fullscreen-button|media-mute-button|media-overlay-play-button|media-play-button|media-seek-back-button|media-seek-forward-button|media-slider|media-sliderthumb|media-time-remaining-display|media-toggle-closed-captions-button|media-volume-slider|media-volume-slider-container|media-volume-sliderthumb|menulist|menulist-button|menulist-text|menulist-textfield|meter|progress-bar|progress-bar-value|push-button|radio|scrollbarbutton-down|scrollbarbutton-left|scrollbarbutton-right|scrollbarbutton-up|scrollbargripper-horizontal|scrollbargripper-vertical|scrollbarthumb-horizontal|scrollbarthumb-vertical|scrollbartrack-horizontal|scrollbartrack-vertical|searchfield|searchfield-cancel-button|searchfield-decoration|searchfield-results-button|searchfield-results-decoration|slider-horizontal|slider-vertical|sliderthumb-horizontal|sliderthumb-vertical|square-button|textarea|textfield|-apple-pay-button",
+        "-webkit-border-before": "<'border-width'>||<'border-style'>||<color>",
+        "-webkit-border-before-color": "<color>",
+        "-webkit-border-before-style": "<'border-style'>",
+        "-webkit-border-before-width": "<'border-width'>",
+        "-webkit-box-reflect": "[above|below|right|left]? <length>? <image>?",
+        "-webkit-line-clamp": "none|<integer>",
+        "-webkit-mask": "[<mask-reference>||<position> [/ <bg-size>]?||<repeat-style>||[<box>|border|padding|content|text]||[<box>|border|padding|content]]#",
+        "-webkit-mask-attachment": "<attachment>#",
+        "-webkit-mask-clip": "[<box>|border|padding|content|text]#",
+        "-webkit-mask-composite": "<composite-style>#",
+        "-webkit-mask-image": "<mask-reference>#",
+        "-webkit-mask-origin": "[<box>|border|padding|content]#",
+        "-webkit-mask-position": "<position>#",
+        "-webkit-mask-position-x": "[<length-percentage>|left|center|right]#",
+        "-webkit-mask-position-y": "[<length-percentage>|top|center|bottom]#",
+        "-webkit-mask-repeat": "<repeat-style>#",
+        "-webkit-mask-repeat-x": "repeat|no-repeat|space|round",
+        "-webkit-mask-repeat-y": "repeat|no-repeat|space|round",
+        "-webkit-mask-size": "<bg-size>#",
+        "-webkit-overflow-scrolling": "auto|touch",
+        "-webkit-tap-highlight-color": "<color>",
+        "-webkit-text-fill-color": "<color>",
+        "-webkit-text-stroke": "<length>||<color>",
+        "-webkit-text-stroke-color": "<color>",
+        "-webkit-text-stroke-width": "<length>",
+        "-webkit-touch-callout": "default|none",
+        "-webkit-user-modify": "read-only|read-write|read-write-plaintext-only",
+        "accent-color": "auto|<color>",
+        "align-content": "normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>",
+        "align-items": "normal|stretch|<baseline-position>|[<overflow-position>? <self-position>]",
+        "align-self": "auto|normal|stretch|<baseline-position>|<overflow-position>? <self-position>",
+        "align-tracks": "[normal|<baseline-position>|<content-distribution>|<overflow-position>? <content-position>]#",
+        "all": "initial|inherit|unset|revert|revert-layer",
+        "animation": "<single-animation>#",
+        "animation-delay": "<time>#",
+        "animation-direction": "<single-animation-direction>#",
+        "animation-duration": "<time>#",
+        "animation-fill-mode": "<single-animation-fill-mode>#",
+        "animation-iteration-count": "<single-animation-iteration-count>#",
+        "animation-name": "[none|<keyframes-name>]#",
+        "animation-play-state": "<single-animation-play-state>#",
+        "animation-timing-function": "<easing-function>#",
+        "animation-timeline": "<single-animation-timeline>#",
+        "appearance": "none|auto|textfield|menulist-button|<compat-auto>",
+        "aspect-ratio": "auto|<ratio>",
+        "azimuth": "<angle>|[[left-side|far-left|left|center-left|center|center-right|right|far-right|right-side]||behind]|leftwards|rightwards",
+        "backdrop-filter": "none|<filter-function-list>",
+        "backface-visibility": "visible|hidden",
+        "background": "[<bg-layer> ,]* <final-bg-layer>",
+        "background-attachment": "<attachment>#",
+        "background-blend-mode": "<blend-mode>#",
+        "background-clip": "<bg-clip>#",
+        "background-color": "<color>",
+        "background-image": "<bg-image>#",
+        "background-origin": "<box>#",
+        "background-position": "<bg-position>#",
+        "background-position-x": "[center|[[left|right|x-start|x-end]? <length-percentage>?]!]#",
+        "background-position-y": "[center|[[top|bottom|y-start|y-end]? <length-percentage>?]!]#",
+        "background-repeat": "<repeat-style>#",
+        "background-size": "<bg-size>#",
+        "block-overflow": "clip|ellipsis|<string>",
+        "block-size": "<'width'>",
+        "border": "<line-width>||<line-style>||<color>",
+        "border-block": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-color": "<'border-top-color'>{1,2}",
+        "border-block-style": "<'border-top-style'>",
+        "border-block-width": "<'border-top-width'>",
+        "border-block-end": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-end-color": "<'border-top-color'>",
+        "border-block-end-style": "<'border-top-style'>",
+        "border-block-end-width": "<'border-top-width'>",
+        "border-block-start": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-block-start-color": "<'border-top-color'>",
+        "border-block-start-style": "<'border-top-style'>",
+        "border-block-start-width": "<'border-top-width'>",
+        "border-bottom": "<line-width>||<line-style>||<color>",
+        "border-bottom-color": "<'border-top-color'>",
+        "border-bottom-left-radius": "<length-percentage>{1,2}",
+        "border-bottom-right-radius": "<length-percentage>{1,2}",
+        "border-bottom-style": "<line-style>",
+        "border-bottom-width": "<line-width>",
+        "border-collapse": "collapse|separate",
+        "border-color": "<color>{1,4}",
+        "border-end-end-radius": "<length-percentage>{1,2}",
+        "border-end-start-radius": "<length-percentage>{1,2}",
+        "border-image": "<'border-image-source'>||<'border-image-slice'> [/ <'border-image-width'>|/ <'border-image-width'>? / <'border-image-outset'>]?||<'border-image-repeat'>",
+        "border-image-outset": "[<length>|<number>]{1,4}",
+        "border-image-repeat": "[stretch|repeat|round|space]{1,2}",
+        "border-image-slice": "<number-percentage>{1,4}&&fill?",
+        "border-image-source": "none|<image>",
+        "border-image-width": "[<length-percentage>|<number>|auto]{1,4}",
+        "border-inline": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-end": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-color": "<'border-top-color'>{1,2}",
+        "border-inline-style": "<'border-top-style'>",
+        "border-inline-width": "<'border-top-width'>",
+        "border-inline-end-color": "<'border-top-color'>",
+        "border-inline-end-style": "<'border-top-style'>",
+        "border-inline-end-width": "<'border-top-width'>",
+        "border-inline-start": "<'border-top-width'>||<'border-top-style'>||<color>",
+        "border-inline-start-color": "<'border-top-color'>",
+        "border-inline-start-style": "<'border-top-style'>",
+        "border-inline-start-width": "<'border-top-width'>",
+        "border-left": "<line-width>||<line-style>||<color>",
+        "border-left-color": "<color>",
+        "border-left-style": "<line-style>",
+        "border-left-width": "<line-width>",
+        "border-radius": "<length-percentage>{1,4} [/ <length-percentage>{1,4}]?",
+        "border-right": "<line-width>||<line-style>||<color>",
+        "border-right-color": "<color>",
+        "border-right-style": "<line-style>",
+        "border-right-width": "<line-width>",
+        "border-spacing": "<length> <length>?",
+        "border-start-end-radius": "<length-percentage>{1,2}",
+        "border-start-start-radius": "<length-percentage>{1,2}",
+        "border-style": "<line-style>{1,4}",
+        "border-top": "<line-width>||<line-style>||<color>",
+        "border-top-color": "<color>",
+        "border-top-left-radius": "<length-percentage>{1,2}",
+        "border-top-right-radius": "<length-percentage>{1,2}",
+        "border-top-style": "<line-style>",
+        "border-top-width": "<line-width>",
+        "border-width": "<line-width>{1,4}",
+        "bottom": "<length>|<percentage>|auto",
+        "box-align": "start|center|end|baseline|stretch",
+        "box-decoration-break": "slice|clone",
+        "box-direction": "normal|reverse|inherit",
+        "box-flex": "<number>",
+        "box-flex-group": "<integer>",
+        "box-lines": "single|multiple",
+        "box-ordinal-group": "<integer>",
+        "box-orient": "horizontal|vertical|inline-axis|block-axis|inherit",
+        "box-pack": "start|center|end|justify",
+        "box-shadow": "none|<shadow>#",
+        "box-sizing": "content-box|border-box",
+        "break-after": "auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region",
+        "break-before": "auto|avoid|always|all|avoid-page|page|left|right|recto|verso|avoid-column|column|avoid-region|region",
+        "break-inside": "auto|avoid|avoid-page|avoid-column|avoid-region",
+        "caption-side": "top|bottom|block-start|block-end|inline-start|inline-end",
+        "caret-color": "auto|<color>",
+        "clear": "none|left|right|both|inline-start|inline-end",
+        "clip": "<shape>|auto",
+        "clip-path": "<clip-source>|[<basic-shape>||<geometry-box>]|none",
+        "color": "<color>",
+        "print-color-adjust": "economy|exact",
+        "color-scheme": "normal|[light|dark|<custom-ident>]+&&only?",
+        "column-count": "<integer>|auto",
+        "column-fill": "auto|balance|balance-all",
+        "column-gap": "normal|<length-percentage>",
+        "column-rule": "<'column-rule-width'>||<'column-rule-style'>||<'column-rule-color'>",
+        "column-rule-color": "<color>",
+        "column-rule-style": "<'border-style'>",
+        "column-rule-width": "<'border-width'>",
+        "column-span": "none|all",
+        "column-width": "<length>|auto",
+        "columns": "<'column-width'>||<'column-count'>",
+        "contain": "none|strict|content|[size||layout||style||paint]",
+        "content": "normal|none|[<content-replacement>|<content-list>] [/ [<string>|<counter>]+]?",
+        "content-visibility": "visible|auto|hidden",
+        "counter-increment": "[<counter-name> <integer>?]+|none",
+        "counter-reset": "[<counter-name> <integer>?|<reversed-counter-name> <integer>?]+|none",
+        "counter-set": "[<counter-name> <integer>?]+|none",
+        "cursor": "[[<url> [<x> <y>]? ,]* [auto|default|none|context-menu|help|pointer|progress|wait|cell|crosshair|text|vertical-text|alias|copy|move|no-drop|not-allowed|e-resize|n-resize|ne-resize|nw-resize|s-resize|se-resize|sw-resize|w-resize|ew-resize|ns-resize|nesw-resize|nwse-resize|col-resize|row-resize|all-scroll|zoom-in|zoom-out|grab|grabbing|hand|-webkit-grab|-webkit-grabbing|-webkit-zoom-in|-webkit-zoom-out|-moz-grab|-moz-grabbing|-moz-zoom-in|-moz-zoom-out]]",
+        "direction": "ltr|rtl",
+        "display": "[<display-outside>||<display-inside>]|<display-listitem>|<display-internal>|<display-box>|<display-legacy>|<-non-standard-display>",
+        "empty-cells": "show|hide",
+        "filter": "none|<filter-function-list>|<-ms-filter-function-list>",
+        "flex": "none|[<'flex-grow'> <'flex-shrink'>?||<'flex-basis'>]",
+        "flex-basis": "content|<'width'>",
+        "flex-direction": "row|row-reverse|column|column-reverse",
+        "flex-flow": "<'flex-direction'>||<'flex-wrap'>",
+        "flex-grow": "<number>",
+        "flex-shrink": "<number>",
+        "flex-wrap": "nowrap|wrap|wrap-reverse",
+        "float": "left|right|none|inline-start|inline-end",
+        "font": "[[<'font-style'>||<font-variant-css21>||<'font-weight'>||<'font-stretch'>]? <'font-size'> [/ <'line-height'>]? <'font-family'>]|caption|icon|menu|message-box|small-caption|status-bar",
+        "font-family": "[<family-name>|<generic-family>]#",
+        "font-feature-settings": "normal|<feature-tag-value>#",
+        "font-kerning": "auto|normal|none",
+        "font-language-override": "normal|<string>",
+        "font-optical-sizing": "auto|none",
+        "font-variation-settings": "normal|[<string> <number>]#",
+        "font-size": "<absolute-size>|<relative-size>|<length-percentage>",
+        "font-size-adjust": "none|[ex-height|cap-height|ch-width|ic-width|ic-height]? [from-font|<number>]",
+        "font-smooth": "auto|never|always|<absolute-size>|<length>",
+        "font-stretch": "<font-stretch-absolute>",
+        "font-style": "normal|italic|oblique <angle>?",
+        "font-synthesis": "none|[weight||style||small-caps]",
+        "font-variant": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+        "font-variant-alternates": "normal|[stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )]",
+        "font-variant-caps": "normal|small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps",
+        "font-variant-east-asian": "normal|[<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+        "font-variant-ligatures": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>]",
+        "font-variant-numeric": "normal|[<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero]",
+        "font-variant-position": "normal|sub|super",
+        "font-weight": "<font-weight-absolute>|bolder|lighter",
+        "forced-color-adjust": "auto|none",
+        "gap": "<'row-gap'> <'column-gap'>?",
+        "grid": "<'grid-template'>|<'grid-template-rows'> / [auto-flow&&dense?] <'grid-auto-columns'>?|[auto-flow&&dense?] <'grid-auto-rows'>? / <'grid-template-columns'>",
+        "grid-area": "<grid-line> [/ <grid-line>]{0,3}",
+        "grid-auto-columns": "<track-size>+",
+        "grid-auto-flow": "[row|column]||dense",
+        "grid-auto-rows": "<track-size>+",
+        "grid-column": "<grid-line> [/ <grid-line>]?",
+        "grid-column-end": "<grid-line>",
+        "grid-column-gap": "<length-percentage>",
+        "grid-column-start": "<grid-line>",
+        "grid-gap": "<'grid-row-gap'> <'grid-column-gap'>?",
+        "grid-row": "<grid-line> [/ <grid-line>]?",
+        "grid-row-end": "<grid-line>",
+        "grid-row-gap": "<length-percentage>",
+        "grid-row-start": "<grid-line>",
+        "grid-template": "none|[<'grid-template-rows'> / <'grid-template-columns'>]|[<line-names>? <string> <track-size>? <line-names>?]+ [/ <explicit-track-list>]?",
+        "grid-template-areas": "none|<string>+",
+        "grid-template-columns": "none|<track-list>|<auto-track-list>|subgrid <line-name-list>?",
+        "grid-template-rows": "none|<track-list>|<auto-track-list>|subgrid <line-name-list>?",
+        "hanging-punctuation": "none|[first||[force-end|allow-end]||last]",
+        "height": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "hyphenate-character": "auto|<string>",
+        "hyphens": "none|manual|auto",
+        "image-orientation": "from-image|<angle>|[<angle>? flip]",
+        "image-rendering": "auto|crisp-edges|pixelated|optimizeSpeed|optimizeQuality|<-non-standard-image-rendering>",
+        "image-resolution": "[from-image||<resolution>]&&snap?",
+        "ime-mode": "auto|normal|active|inactive|disabled",
+        "initial-letter": "normal|[<number> <integer>?]",
+        "initial-letter-align": "[auto|alphabetic|hanging|ideographic]",
+        "inline-size": "<'width'>",
+        "input-security": "auto|none",
+        "inset": "<'top'>{1,4}",
+        "inset-block": "<'top'>{1,2}",
+        "inset-block-end": "<'top'>",
+        "inset-block-start": "<'top'>",
+        "inset-inline": "<'top'>{1,2}",
+        "inset-inline-end": "<'top'>",
+        "inset-inline-start": "<'top'>",
+        "isolation": "auto|isolate",
+        "justify-content": "normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]",
+        "justify-items": "normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]|legacy|legacy&&[left|right|center]",
+        "justify-self": "auto|normal|stretch|<baseline-position>|<overflow-position>? [<self-position>|left|right]",
+        "justify-tracks": "[normal|<content-distribution>|<overflow-position>? [<content-position>|left|right]]#",
+        "left": "<length>|<percentage>|auto",
+        "letter-spacing": "normal|<length-percentage>",
+        "line-break": "auto|loose|normal|strict|anywhere",
+        "line-clamp": "none|<integer>",
+        "line-height": "normal|<number>|<length>|<percentage>",
+        "line-height-step": "<length>",
+        "list-style": "<'list-style-type'>||<'list-style-position'>||<'list-style-image'>",
+        "list-style-image": "<image>|none",
+        "list-style-position": "inside|outside",
+        "list-style-type": "<counter-style>|<string>|none",
+        "margin": "[<length>|<percentage>|auto]{1,4}",
+        "margin-block": "<'margin-left'>{1,2}",
+        "margin-block-end": "<'margin-left'>",
+        "margin-block-start": "<'margin-left'>",
+        "margin-bottom": "<length>|<percentage>|auto",
+        "margin-inline": "<'margin-left'>{1,2}",
+        "margin-inline-end": "<'margin-left'>",
+        "margin-inline-start": "<'margin-left'>",
+        "margin-left": "<length>|<percentage>|auto",
+        "margin-right": "<length>|<percentage>|auto",
+        "margin-top": "<length>|<percentage>|auto",
+        "margin-trim": "none|in-flow|all",
+        "mask": "<mask-layer>#",
+        "mask-border": "<'mask-border-source'>||<'mask-border-slice'> [/ <'mask-border-width'>? [/ <'mask-border-outset'>]?]?||<'mask-border-repeat'>||<'mask-border-mode'>",
+        "mask-border-mode": "luminance|alpha",
+        "mask-border-outset": "[<length>|<number>]{1,4}",
+        "mask-border-repeat": "[stretch|repeat|round|space]{1,2}",
+        "mask-border-slice": "<number-percentage>{1,4} fill?",
+        "mask-border-source": "none|<image>",
+        "mask-border-width": "[<length-percentage>|<number>|auto]{1,4}",
+        "mask-clip": "[<geometry-box>|no-clip]#",
+        "mask-composite": "<compositing-operator>#",
+        "mask-image": "<mask-reference>#",
+        "mask-mode": "<masking-mode>#",
+        "mask-origin": "<geometry-box>#",
+        "mask-position": "<position>#",
+        "mask-repeat": "<repeat-style>#",
+        "mask-size": "<bg-size>#",
+        "mask-type": "luminance|alpha",
+        "masonry-auto-flow": "[pack|next]||[definite-first|ordered]",
+        "math-style": "normal|compact",
+        "max-block-size": "<'max-width'>",
+        "max-height": "none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "max-inline-size": "<'max-width'>",
+        "max-lines": "none|<integer>",
+        "max-width": "none|<length-percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>",
+        "min-block-size": "<'min-width'>",
+        "min-height": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )",
+        "min-inline-size": "<'min-width'>",
+        "min-width": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|<-non-standard-width>",
+        "mix-blend-mode": "<blend-mode>|plus-lighter",
+        "object-fit": "fill|contain|cover|none|scale-down",
+        "object-position": "<position>",
+        "offset": "[<'offset-position'>? [<'offset-path'> [<'offset-distance'>||<'offset-rotate'>]?]?]! [/ <'offset-anchor'>]?",
+        "offset-anchor": "auto|<position>",
+        "offset-distance": "<length-percentage>",
+        "offset-path": "none|ray( [<angle>&&<size>&&contain?] )|<path()>|<url>|[<basic-shape>||<geometry-box>]",
+        "offset-position": "auto|<position>",
+        "offset-rotate": "[auto|reverse]||<angle>",
+        "opacity": "<alpha-value>",
+        "order": "<integer>",
+        "orphans": "<integer>",
+        "outline": "[<'outline-color'>||<'outline-style'>||<'outline-width'>]",
+        "outline-color": "<color>|invert",
+        "outline-offset": "<length>",
+        "outline-style": "auto|<'border-style'>",
+        "outline-width": "<line-width>",
+        "overflow": "[visible|hidden|clip|scroll|auto]{1,2}|<-non-standard-overflow>",
+        "overflow-anchor": "auto|none",
+        "overflow-block": "visible|hidden|clip|scroll|auto",
+        "overflow-clip-box": "padding-box|content-box",
+        "overflow-clip-margin": "<visual-box>||<length [0,∞]>",
+        "overflow-inline": "visible|hidden|clip|scroll|auto",
+        "overflow-wrap": "normal|break-word|anywhere",
+        "overflow-x": "visible|hidden|clip|scroll|auto",
+        "overflow-y": "visible|hidden|clip|scroll|auto",
+        "overscroll-behavior": "[contain|none|auto]{1,2}",
+        "overscroll-behavior-block": "contain|none|auto",
+        "overscroll-behavior-inline": "contain|none|auto",
+        "overscroll-behavior-x": "contain|none|auto",
+        "overscroll-behavior-y": "contain|none|auto",
+        "padding": "[<length>|<percentage>]{1,4}",
+        "padding-block": "<'padding-left'>{1,2}",
+        "padding-block-end": "<'padding-left'>",
+        "padding-block-start": "<'padding-left'>",
+        "padding-bottom": "<length>|<percentage>",
+        "padding-inline": "<'padding-left'>{1,2}",
+        "padding-inline-end": "<'padding-left'>",
+        "padding-inline-start": "<'padding-left'>",
+        "padding-left": "<length>|<percentage>",
+        "padding-right": "<length>|<percentage>",
+        "padding-top": "<length>|<percentage>",
+        "page-break-after": "auto|always|avoid|left|right|recto|verso",
+        "page-break-before": "auto|always|avoid|left|right|recto|verso",
+        "page-break-inside": "auto|avoid",
+        "paint-order": "normal|[fill||stroke||markers]",
+        "perspective": "none|<length>",
+        "perspective-origin": "<position>",
+        "place-content": "<'align-content'> <'justify-content'>?",
+        "place-items": "<'align-items'> <'justify-items'>?",
+        "place-self": "<'align-self'> <'justify-self'>?",
+        "pointer-events": "auto|none|visiblePainted|visibleFill|visibleStroke|visible|painted|fill|stroke|all|inherit",
+        "position": "static|relative|absolute|sticky|fixed|-webkit-sticky",
+        "quotes": "none|auto|[<string> <string>]+",
+        "resize": "none|both|horizontal|vertical|block|inline",
+        "right": "<length>|<percentage>|auto",
+        "rotate": "none|<angle>|[x|y|z|<number>{3}]&&<angle>",
+        "row-gap": "normal|<length-percentage>",
+        "ruby-align": "start|center|space-between|space-around",
+        "ruby-merge": "separate|collapse|auto",
+        "ruby-position": "[alternate||[over|under]]|inter-character",
+        "scale": "none|<number>{1,3}",
+        "scrollbar-color": "auto|<color>{2}",
+        "scrollbar-gutter": "auto|stable&&both-edges?",
+        "scrollbar-width": "auto|thin|none",
+        "scroll-behavior": "auto|smooth",
+        "scroll-margin": "<length>{1,4}",
+        "scroll-margin-block": "<length>{1,2}",
+        "scroll-margin-block-start": "<length>",
+        "scroll-margin-block-end": "<length>",
+        "scroll-margin-bottom": "<length>",
+        "scroll-margin-inline": "<length>{1,2}",
+        "scroll-margin-inline-start": "<length>",
+        "scroll-margin-inline-end": "<length>",
+        "scroll-margin-left": "<length>",
+        "scroll-margin-right": "<length>",
+        "scroll-margin-top": "<length>",
+        "scroll-padding": "[auto|<length-percentage>]{1,4}",
+        "scroll-padding-block": "[auto|<length-percentage>]{1,2}",
+        "scroll-padding-block-start": "auto|<length-percentage>",
+        "scroll-padding-block-end": "auto|<length-percentage>",
+        "scroll-padding-bottom": "auto|<length-percentage>",
+        "scroll-padding-inline": "[auto|<length-percentage>]{1,2}",
+        "scroll-padding-inline-start": "auto|<length-percentage>",
+        "scroll-padding-inline-end": "auto|<length-percentage>",
+        "scroll-padding-left": "auto|<length-percentage>",
+        "scroll-padding-right": "auto|<length-percentage>",
+        "scroll-padding-top": "auto|<length-percentage>",
+        "scroll-snap-align": "[none|start|end|center]{1,2}",
+        "scroll-snap-coordinate": "none|<position>#",
+        "scroll-snap-destination": "<position>",
+        "scroll-snap-points-x": "none|repeat( <length-percentage> )",
+        "scroll-snap-points-y": "none|repeat( <length-percentage> )",
+        "scroll-snap-stop": "normal|always",
+        "scroll-snap-type": "none|[x|y|block|inline|both] [mandatory|proximity]?",
+        "scroll-snap-type-x": "none|mandatory|proximity",
+        "scroll-snap-type-y": "none|mandatory|proximity",
+        "shape-image-threshold": "<alpha-value>",
+        "shape-margin": "<length-percentage>",
+        "shape-outside": "none|[<shape-box>||<basic-shape>]|<image>",
+        "tab-size": "<integer>|<length>",
+        "table-layout": "auto|fixed",
+        "text-align": "start|end|left|right|center|justify|match-parent",
+        "text-align-last": "auto|start|end|left|right|center|justify",
+        "text-combine-upright": "none|all|[digits <integer>?]",
+        "text-decoration": "<'text-decoration-line'>||<'text-decoration-style'>||<'text-decoration-color'>||<'text-decoration-thickness'>",
+        "text-decoration-color": "<color>",
+        "text-decoration-line": "none|[underline||overline||line-through||blink]|spelling-error|grammar-error",
+        "text-decoration-skip": "none|[objects||[spaces|[leading-spaces||trailing-spaces]]||edges||box-decoration]",
+        "text-decoration-skip-ink": "auto|all|none",
+        "text-decoration-style": "solid|double|dotted|dashed|wavy",
+        "text-decoration-thickness": "auto|from-font|<length>|<percentage>",
+        "text-emphasis": "<'text-emphasis-style'>||<'text-emphasis-color'>",
+        "text-emphasis-color": "<color>",
+        "text-emphasis-position": "[over|under]&&[right|left]",
+        "text-emphasis-style": "none|[[filled|open]||[dot|circle|double-circle|triangle|sesame]]|<string>",
+        "text-indent": "<length-percentage>&&hanging?&&each-line?",
+        "text-justify": "auto|inter-character|inter-word|none",
+        "text-orientation": "mixed|upright|sideways",
+        "text-overflow": "[clip|ellipsis|<string>]{1,2}",
+        "text-rendering": "auto|optimizeSpeed|optimizeLegibility|geometricPrecision",
+        "text-shadow": "none|<shadow-t>#",
+        "text-size-adjust": "none|auto|<percentage>",
+        "text-transform": "none|capitalize|uppercase|lowercase|full-width|full-size-kana",
+        "text-underline-offset": "auto|<length>|<percentage>",
+        "text-underline-position": "auto|from-font|[under||[left|right]]",
+        "top": "<length>|<percentage>|auto",
+        "touch-action": "auto|none|[[pan-x|pan-left|pan-right]||[pan-y|pan-up|pan-down]||pinch-zoom]|manipulation",
+        "transform": "none|<transform-list>",
+        "transform-box": "content-box|border-box|fill-box|stroke-box|view-box",
+        "transform-origin": "[<length-percentage>|left|center|right|top|bottom]|[[<length-percentage>|left|center|right]&&[<length-percentage>|top|center|bottom]] <length>?",
+        "transform-style": "flat|preserve-3d",
+        "transition": "<single-transition>#",
+        "transition-delay": "<time>#",
+        "transition-duration": "<time>#",
+        "transition-property": "none|<single-transition-property>#",
+        "transition-timing-function": "<easing-function>#",
+        "translate": "none|<length-percentage> [<length-percentage> <length>?]?",
+        "unicode-bidi": "normal|embed|isolate|bidi-override|isolate-override|plaintext|-moz-isolate|-moz-isolate-override|-moz-plaintext|-webkit-isolate|-webkit-isolate-override|-webkit-plaintext",
+        "user-select": "auto|text|none|contain|all",
+        "vertical-align": "baseline|sub|super|text-top|text-bottom|middle|top|bottom|<percentage>|<length>",
+        "visibility": "visible|hidden|collapse",
+        "white-space": "normal|pre|nowrap|pre-wrap|pre-line|break-spaces",
+        "widows": "<integer>",
+        "width": "auto|<length>|<percentage>|min-content|max-content|fit-content|fit-content( <length-percentage> )|fill|stretch|intrinsic|-moz-max-content|-webkit-max-content|-moz-fit-content|-webkit-fit-content",
+        "will-change": "auto|<animateable-feature>#",
+        "word-break": "normal|break-all|keep-all|break-word",
+        "word-spacing": "normal|<length>",
+        "word-wrap": "normal|break-word",
+        "writing-mode": "horizontal-tb|vertical-rl|vertical-lr|sideways-rl|sideways-lr|<svg-writing-mode>",
+        "z-index": "auto|<integer>",
+        "zoom": "normal|reset|<number>|<percentage>",
+        "-moz-background-clip": "padding|border",
+        "-moz-border-radius-bottomleft": "<'border-bottom-left-radius'>",
+        "-moz-border-radius-bottomright": "<'border-bottom-right-radius'>",
+        "-moz-border-radius-topleft": "<'border-top-left-radius'>",
+        "-moz-border-radius-topright": "<'border-bottom-right-radius'>",
+        "-moz-control-character-visibility": "visible|hidden",
+        "-moz-osx-font-smoothing": "auto|grayscale",
+        "-moz-user-select": "none|text|all|-moz-none",
+        "-ms-flex-align": "start|end|center|baseline|stretch",
+        "-ms-flex-item-align": "auto|start|end|center|baseline|stretch",
+        "-ms-flex-line-pack": "start|end|center|justify|distribute|stretch",
+        "-ms-flex-negative": "<'flex-shrink'>",
+        "-ms-flex-pack": "start|end|center|justify|distribute",
+        "-ms-flex-order": "<integer>",
+        "-ms-flex-positive": "<'flex-grow'>",
+        "-ms-flex-preferred-size": "<'flex-basis'>",
+        "-ms-interpolation-mode": "nearest-neighbor|bicubic",
+        "-ms-grid-column-align": "start|end|center|stretch",
+        "-ms-grid-row-align": "start|end|center|stretch",
+        "-ms-hyphenate-limit-last": "none|always|column|page|spread",
+        "-webkit-background-clip": "[<box>|border|padding|content|text]#",
+        "-webkit-column-break-after": "always|auto|avoid",
+        "-webkit-column-break-before": "always|auto|avoid",
+        "-webkit-column-break-inside": "always|auto|avoid",
+        "-webkit-font-smoothing": "auto|none|antialiased|subpixel-antialiased",
+        "-webkit-mask-box-image": "[<url>|<gradient>|none] [<length-percentage>{4} <-webkit-mask-box-repeat>{2}]?",
+        "-webkit-print-color-adjust": "economy|exact",
+        "-webkit-text-security": "none|circle|disc|square",
+        "-webkit-user-drag": "none|element|auto",
+        "-webkit-user-select": "auto|none|text|all",
+        "alignment-baseline": "auto|baseline|before-edge|text-before-edge|middle|central|after-edge|text-after-edge|ideographic|alphabetic|hanging|mathematical",
+        "baseline-shift": "baseline|sub|super|<svg-length>",
+        "behavior": "<url>+",
+        "clip-rule": "nonzero|evenodd",
+        "cue": "<'cue-before'> <'cue-after'>?",
+        "cue-after": "<url> <decibel>?|none",
+        "cue-before": "<url> <decibel>?|none",
+        "dominant-baseline": "auto|use-script|no-change|reset-size|ideographic|alphabetic|hanging|mathematical|central|middle|text-after-edge|text-before-edge",
+        "fill": "<paint>",
+        "fill-opacity": "<number-zero-one>",
+        "fill-rule": "nonzero|evenodd",
+        "glyph-orientation-horizontal": "<angle>",
+        "glyph-orientation-vertical": "<angle>",
+        "kerning": "auto|<svg-length>",
+        "marker": "none|<url>",
+        "marker-end": "none|<url>",
+        "marker-mid": "none|<url>",
+        "marker-start": "none|<url>",
+        "pause": "<'pause-before'> <'pause-after'>?",
+        "pause-after": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "pause-before": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "rest": "<'rest-before'> <'rest-after'>?",
+        "rest-after": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "rest-before": "<time>|none|x-weak|weak|medium|strong|x-strong",
+        "shape-rendering": "auto|optimizeSpeed|crispEdges|geometricPrecision",
+        "src": "[<url> [format( <string># )]?|local( <family-name> )]#",
+        "speak": "auto|none|normal",
+        "speak-as": "normal|spell-out||digits||[literal-punctuation|no-punctuation]",
+        "stroke": "<paint>",
+        "stroke-dasharray": "none|[<svg-length>+]#",
+        "stroke-dashoffset": "<svg-length>",
+        "stroke-linecap": "butt|round|square",
+        "stroke-linejoin": "miter|round|bevel",
+        "stroke-miterlimit": "<number-one-or-greater>",
+        "stroke-opacity": "<number-zero-one>",
+        "stroke-width": "<svg-length>",
+        "text-anchor": "start|middle|end",
+        "unicode-range": "<urange>#",
+        "voice-balance": "<number>|left|center|right|leftwards|rightwards",
+        "voice-duration": "auto|<time>",
+        "voice-family": "[[<family-name>|<generic-voice>] ,]* [<family-name>|<generic-voice>]|preserve",
+        "voice-pitch": "<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]",
+        "voice-range": "<frequency>&&absolute|[[x-low|low|medium|high|x-high]||[<frequency>|<semitones>|<percentage>]]",
+        "voice-rate": "[normal|x-slow|slow|medium|fast|x-fast]||<percentage>",
+        "voice-stress": "normal|strong|moderate|none|reduced",
+        "voice-volume": "silent|[[x-soft|soft|medium|loud|x-loud]||<decibel>]"
+    },
+    "atrules": {
+        "charset": {
+            "prelude": "<string>",
+            "descriptors": null
+        },
+        "counter-style": {
+            "prelude": "<counter-style-name>",
+            "descriptors": {
+                "additive-symbols": "[<integer>&&<symbol>]#",
+                "fallback": "<counter-style-name>",
+                "negative": "<symbol> <symbol>?",
+                "pad": "<integer>&&<symbol>",
+                "prefix": "<symbol>",
+                "range": "[[<integer>|infinite]{2}]#|auto",
+                "speak-as": "auto|bullets|numbers|words|spell-out|<counter-style-name>",
+                "suffix": "<symbol>",
+                "symbols": "<symbol>+",
+                "system": "cyclic|numeric|alphabetic|symbolic|additive|[fixed <integer>?]|[extends <counter-style-name>]"
+            }
+        },
+        "document": {
+            "prelude": "[<url>|url-prefix( <string> )|domain( <string> )|media-document( <string> )|regexp( <string> )]#",
+            "descriptors": null
+        },
+        "font-face": {
+            "prelude": null,
+            "descriptors": {
+                "ascent-override": "normal|<percentage>",
+                "descent-override": "normal|<percentage>",
+                "font-display": "[auto|block|swap|fallback|optional]",
+                "font-family": "<family-name>",
+                "font-feature-settings": "normal|<feature-tag-value>#",
+                "font-variation-settings": "normal|[<string> <number>]#",
+                "font-stretch": "<font-stretch-absolute>{1,2}",
+                "font-style": "normal|italic|oblique <angle>{0,2}",
+                "font-weight": "<font-weight-absolute>{1,2}",
+                "font-variant": "normal|none|[<common-lig-values>||<discretionary-lig-values>||<historical-lig-values>||<contextual-alt-values>||stylistic( <feature-value-name> )||historical-forms||styleset( <feature-value-name># )||character-variant( <feature-value-name># )||swash( <feature-value-name> )||ornaments( <feature-value-name> )||annotation( <feature-value-name> )||[small-caps|all-small-caps|petite-caps|all-petite-caps|unicase|titling-caps]||<numeric-figure-values>||<numeric-spacing-values>||<numeric-fraction-values>||ordinal||slashed-zero||<east-asian-variant-values>||<east-asian-width-values>||ruby]",
+                "line-gap-override": "normal|<percentage>",
+                "size-adjust": "<percentage>",
+                "src": "[<url> [format( <string># )]?|local( <family-name> )]#",
+                "unicode-range": "<urange>#"
+            }
+        },
+        "font-feature-values": {
+            "prelude": "<family-name>#",
+            "descriptors": null
+        },
+        "import": {
+            "prelude": "[<string>|<url>] [layer|layer( <layer-name> )]? [supports( [<supports-condition>|<declaration>] )]? <media-query-list>?",
+            "descriptors": null
+        },
+        "keyframes": {
+            "prelude": "<keyframes-name>",
+            "descriptors": null
+        },
+        "layer": {
+            "prelude": "[<layer-name>#|<layer-name>?]",
+            "descriptors": null
+        },
+        "media": {
+            "prelude": "<media-query-list>",
+            "descriptors": null
+        },
+        "namespace": {
+            "prelude": "<namespace-prefix>? [<string>|<url>]",
+            "descriptors": null
+        },
+        "page": {
+            "prelude": "<page-selector-list>",
+            "descriptors": {
+                "bleed": "auto|<length>",
+                "marks": "none|[crop||cross]",
+                "size": "<length>{1,2}|auto|[<page-size>||[portrait|landscape]]"
+            }
+        },
+        "property": {
+            "prelude": "<custom-property-name>",
+            "descriptors": {
+                "syntax": "<string>",
+                "inherits": "true|false",
+                "initial-value": "<string>"
+            }
+        },
+        "scroll-timeline": {
+            "prelude": "<timeline-name>",
+            "descriptors": null
+        },
+        "supports": {
+            "prelude": "<supports-condition>",
+            "descriptors": null
+        },
+        "viewport": {
+            "prelude": null,
+            "descriptors": {
+                "height": "<viewport-length>{1,2}",
+                "max-height": "<viewport-length>",
+                "max-width": "<viewport-length>",
+                "max-zoom": "auto|<number>|<percentage>",
+                "min-height": "<viewport-length>",
+                "min-width": "<viewport-length>",
+                "min-zoom": "auto|<number>|<percentage>",
+                "orientation": "auto|portrait|landscape",
+                "user-zoom": "zoom|fixed",
+                "viewport-fit": "auto|contain|cover",
+                "width": "<viewport-length>{1,2}",
+                "zoom": "auto|<number>|<percentage>"
+            }
+        }
+    }
+};
+},{}],275:[function(require,module,exports){
+module.exports = "2.2.1";
+},{}],276:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.attributeNames = exports.elementNames = void 0;
+exports.elementNames = new Map([
+    "altGlyph",
+    "altGlyphDef",
+    "altGlyphItem",
+    "animateColor",
+    "animateMotion",
+    "animateTransform",
+    "clipPath",
+    "feBlend",
+    "feColorMatrix",
+    "feComponentTransfer",
+    "feComposite",
+    "feConvolveMatrix",
+    "feDiffuseLighting",
+    "feDisplacementMap",
+    "feDistantLight",
+    "feDropShadow",
+    "feFlood",
+    "feFuncA",
+    "feFuncB",
+    "feFuncG",
+    "feFuncR",
+    "feGaussianBlur",
+    "feImage",
+    "feMerge",
+    "feMergeNode",
+    "feMorphology",
+    "feOffset",
+    "fePointLight",
+    "feSpecularLighting",
+    "feSpotLight",
+    "feTile",
+    "feTurbulence",
+    "foreignObject",
+    "glyphRef",
+    "linearGradient",
+    "radialGradient",
+    "textPath",
+].map(function (val) { return [val.toLowerCase(), val]; }));
+exports.attributeNames = new Map([
+    "definitionURL",
+    "attributeName",
+    "attributeType",
+    "baseFrequency",
+    "baseProfile",
+    "calcMode",
+    "clipPathUnits",
+    "diffuseConstant",
+    "edgeMode",
+    "filterUnits",
+    "glyphRef",
+    "gradientTransform",
+    "gradientUnits",
+    "kernelMatrix",
+    "kernelUnitLength",
+    "keyPoints",
+    "keySplines",
+    "keyTimes",
+    "lengthAdjust",
+    "limitingConeAngle",
+    "markerHeight",
+    "markerUnits",
+    "markerWidth",
+    "maskContentUnits",
+    "maskUnits",
+    "numOctaves",
+    "pathLength",
+    "patternContentUnits",
+    "patternTransform",
+    "patternUnits",
+    "pointsAtX",
+    "pointsAtY",
+    "pointsAtZ",
+    "preserveAlpha",
+    "preserveAspectRatio",
+    "primitiveUnits",
+    "refX",
+    "refY",
+    "repeatCount",
+    "repeatDur",
+    "requiredExtensions",
+    "requiredFeatures",
+    "specularConstant",
+    "specularExponent",
+    "spreadMethod",
+    "startOffset",
+    "stdDeviation",
+    "stitchTiles",
+    "surfaceScale",
+    "systemLanguage",
+    "tableValues",
+    "targetX",
+    "targetY",
+    "textLength",
+    "viewBox",
+    "viewTarget",
+    "xChannelSelector",
+    "yChannelSelector",
+    "zoomAndPan",
+].map(function (val) { return [val.toLowerCase(), val]; }));
+
+},{}],277:[function(require,module,exports){
+"use strict";
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.render = void 0;
+/*
+ * Module dependencies
+ */
+var ElementType = __importStar(require("domelementtype"));
+var entities_1 = require("entities");
+/**
+ * Mixed-case SVG and MathML tags & attributes
+ * recognized by the HTML parser.
+ *
+ * @see https://html.spec.whatwg.org/multipage/parsing.html#parsing-main-inforeign
+ */
+var foreignNames_js_1 = require("./foreignNames.js");
+var unencodedElements = new Set([
+    "style",
+    "script",
+    "xmp",
+    "iframe",
+    "noembed",
+    "noframes",
+    "plaintext",
+    "noscript",
+]);
+function replaceQuotes(value) {
+    return value.replace(/"/g, "&quot;");
+}
+/**
+ * Format attributes
+ */
+function formatAttributes(attributes, opts) {
+    var _a;
+    if (!attributes)
+        return;
+    var encode = ((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) === false
+        ? replaceQuotes
+        : opts.xmlMode || opts.encodeEntities !== "utf8"
+            ? entities_1.encodeXML
+            : entities_1.escapeAttribute;
+    return Object.keys(attributes)
+        .map(function (key) {
+        var _a, _b;
+        var value = (_a = attributes[key]) !== null && _a !== void 0 ? _a : "";
+        if (opts.xmlMode === "foreign") {
+            /* Fix up mixed-case attribute names */
+            key = (_b = foreignNames_js_1.attributeNames.get(key)) !== null && _b !== void 0 ? _b : key;
+        }
+        if (!opts.emptyAttrs && !opts.xmlMode && value === "") {
+            return key;
+        }
+        return "".concat(key, "=\"").concat(encode(value), "\"");
+    })
+        .join(" ");
+}
+/**
+ * Self-enclosing tags
+ */
+var singleTag = new Set([
+    "area",
+    "base",
+    "basefont",
+    "br",
+    "col",
+    "command",
+    "embed",
+    "frame",
+    "hr",
+    "img",
+    "input",
+    "isindex",
+    "keygen",
+    "link",
+    "meta",
+    "param",
+    "source",
+    "track",
+    "wbr",
+]);
+/**
+ * Renders a DOM node or an array of DOM nodes to a string.
+ *
+ * Can be thought of as the equivalent of the `outerHTML` of the passed node(s).
+ *
+ * @param node Node to be rendered.
+ * @param options Changes serialization behavior
+ */
+function render(node, options) {
+    if (options === void 0) { options = {}; }
+    var nodes = "length" in node ? node : [node];
+    var output = "";
+    for (var i = 0; i < nodes.length; i++) {
+        output += renderNode(nodes[i], options);
+    }
+    return output;
+}
+exports.render = render;
+exports.default = render;
+function renderNode(node, options) {
+    switch (node.type) {
+        case ElementType.Root:
+            return render(node.children, options);
+        // @ts-expect-error We don't use `Doctype` yet
+        case ElementType.Doctype:
+        case ElementType.Directive:
+            return renderDirective(node);
+        case ElementType.Comment:
+            return renderComment(node);
+        case ElementType.CDATA:
+            return renderCdata(node);
+        case ElementType.Script:
+        case ElementType.Style:
+        case ElementType.Tag:
+            return renderTag(node, options);
+        case ElementType.Text:
+            return renderText(node, options);
+    }
+}
+var foreignModeIntegrationPoints = new Set([
+    "mi",
+    "mo",
+    "mn",
+    "ms",
+    "mtext",
+    "annotation-xml",
+    "foreignObject",
+    "desc",
+    "title",
+]);
+var foreignElements = new Set(["svg", "math"]);
+function renderTag(elem, opts) {
+    var _a;
+    // Handle SVG / MathML in HTML
+    if (opts.xmlMode === "foreign") {
+        /* Fix up mixed-case element names */
+        elem.name = (_a = foreignNames_js_1.elementNames.get(elem.name)) !== null && _a !== void 0 ? _a : elem.name;
+        /* Exit foreign mode at integration points */
+        if (elem.parent &&
+            foreignModeIntegrationPoints.has(elem.parent.name)) {
+            opts = __assign(__assign({}, opts), { xmlMode: false });
+        }
+    }
+    if (!opts.xmlMode && foreignElements.has(elem.name)) {
+        opts = __assign(__assign({}, opts), { xmlMode: "foreign" });
+    }
+    var tag = "<".concat(elem.name);
+    var attribs = formatAttributes(elem.attribs, opts);
+    if (attribs) {
+        tag += " ".concat(attribs);
+    }
+    if (elem.children.length === 0 &&
+        (opts.xmlMode
+            ? // In XML mode or foreign mode, and user hasn't explicitly turned off self-closing tags
+                opts.selfClosingTags !== false
+            : // User explicitly asked for self-closing tags, even in HTML mode
+                opts.selfClosingTags && singleTag.has(elem.name))) {
+        if (!opts.xmlMode)
+            tag += " ";
+        tag += "/>";
+    }
+    else {
+        tag += ">";
+        if (elem.children.length > 0) {
+            tag += render(elem.children, opts);
+        }
+        if (opts.xmlMode || !singleTag.has(elem.name)) {
+            tag += "</".concat(elem.name, ">");
+        }
+    }
+    return tag;
+}
+function renderDirective(elem) {
+    return "<".concat(elem.data, ">");
+}
+function renderText(elem, opts) {
+    var _a;
+    var data = elem.data || "";
+    // If entities weren't decoded, no need to encode them back
+    if (((_a = opts.encodeEntities) !== null && _a !== void 0 ? _a : opts.decodeEntities) !== false &&
+        !(!opts.xmlMode &&
+            elem.parent &&
+            unencodedElements.has(elem.parent.name))) {
+        data =
+            opts.xmlMode || opts.encodeEntities !== "utf8"
+                ? (0, entities_1.encodeXML)(data)
+                : (0, entities_1.escapeText)(data);
+    }
+    return data;
+}
+function renderCdata(elem) {
+    return "<![CDATA[".concat(elem.children[0].data, "]]>");
+}
+function renderComment(elem) {
+    return "<!--".concat(elem.data, "-->");
+}
+
+},{"./foreignNames.js":276,"domelementtype":278,"entities":296}],278:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.Doctype = exports.CDATA = exports.Tag = exports.Style = exports.Script = exports.Comment = exports.Directive = exports.Text = exports.Root = exports.isTag = exports.ElementType = void 0;
+/** Types of elements found in htmlparser2's DOM */
+var ElementType;
+(function (ElementType) {
+    /** Type for the root element of a document */
+    ElementType["Root"] = "root";
+    /** Type for Text */
+    ElementType["Text"] = "text";
+    /** Type for <? ... ?> */
+    ElementType["Directive"] = "directive";
+    /** Type for <!-- ... --> */
+    ElementType["Comment"] = "comment";
+    /** Type for <script> tags */
+    ElementType["Script"] = "script";
+    /** Type for <style> tags */
+    ElementType["Style"] = "style";
+    /** Type for Any tag */
+    ElementType["Tag"] = "tag";
+    /** Type for <![CDATA[ ... ]]> */
+    ElementType["CDATA"] = "cdata";
+    /** Type for <!doctype ...> */
+    ElementType["Doctype"] = "doctype";
+})(ElementType = exports.ElementType || (exports.ElementType = {}));
+/**
+ * Tests whether an element is a tag or not.
+ *
+ * @param elem Element to test
+ */
+function isTag(elem) {
+    return (elem.type === ElementType.Tag ||
+        elem.type === ElementType.Script ||
+        elem.type === ElementType.Style);
+}
+exports.isTag = isTag;
+// Exports for backwards compatibility
+/** Type for the root element of a document */
+exports.Root = ElementType.Root;
+/** Type for Text */
+exports.Text = ElementType.Text;
+/** Type for <? ... ?> */
+exports.Directive = ElementType.Directive;
+/** Type for <!-- ... --> */
+exports.Comment = ElementType.Comment;
+/** Type for <script> tags */
+exports.Script = ElementType.Script;
+/** Type for <style> tags */
+exports.Style = ElementType.Style;
+/** Type for Any tag */
+exports.Tag = ElementType.Tag;
+/** Type for <![CDATA[ ... ]]> */
+exports.CDATA = ElementType.CDATA;
+/** Type for <!doctype ...> */
+exports.Doctype = ElementType.Doctype;
+
+},{}],279:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.DomHandler = void 0;
+var domelementtype_1 = require("domelementtype");
+var node_js_1 = require("./node.js");
+__exportStar(require("./node.js"), exports);
+// Default options
+var defaultOpts = {
+    withStartIndices: false,
+    withEndIndices: false,
+    xmlMode: false,
+};
+var DomHandler = /** @class */ (function () {
+    /**
+     * @param callback Called once parsing has completed.
+     * @param options Settings for the handler.
+     * @param elementCB Callback whenever a tag is closed.
+     */
+    function DomHandler(callback, options, elementCB) {
+        /** The elements of the DOM */
+        this.dom = [];
+        /** The root element for the DOM */
+        this.root = new node_js_1.Document(this.dom);
+        /** Indicated whether parsing has been completed. */
+        this.done = false;
+        /** Stack of open tags. */
+        this.tagStack = [this.root];
+        /** A data node that is still being written to. */
+        this.lastNode = null;
+        /** Reference to the parser instance. Used for location information. */
+        this.parser = null;
+        // Make it possible to skip arguments, for backwards-compatibility
+        if (typeof options === "function") {
+            elementCB = options;
+            options = defaultOpts;
+        }
+        if (typeof callback === "object") {
+            options = callback;
+            callback = undefined;
+        }
+        this.callback = callback !== null && callback !== void 0 ? callback : null;
+        this.options = options !== null && options !== void 0 ? options : defaultOpts;
+        this.elementCB = elementCB !== null && elementCB !== void 0 ? elementCB : null;
+    }
+    DomHandler.prototype.onparserinit = function (parser) {
+        this.parser = parser;
+    };
+    // Resets the handler back to starting state
+    DomHandler.prototype.onreset = function () {
+        this.dom = [];
+        this.root = new node_js_1.Document(this.dom);
+        this.done = false;
+        this.tagStack = [this.root];
+        this.lastNode = null;
+        this.parser = null;
+    };
+    // Signals the handler that parsing is done
+    DomHandler.prototype.onend = function () {
+        if (this.done)
+            return;
+        this.done = true;
+        this.parser = null;
+        this.handleCallback(null);
+    };
+    DomHandler.prototype.onerror = function (error) {
+        this.handleCallback(error);
+    };
+    DomHandler.prototype.onclosetag = function () {
+        this.lastNode = null;
+        var elem = this.tagStack.pop();
+        if (this.options.withEndIndices) {
+            elem.endIndex = this.parser.endIndex;
+        }
+        if (this.elementCB)
+            this.elementCB(elem);
+    };
+    DomHandler.prototype.onopentag = function (name, attribs) {
+        var type = this.options.xmlMode ? domelementtype_1.ElementType.Tag : undefined;
+        var element = new node_js_1.Element(name, attribs, undefined, type);
+        this.addNode(element);
+        this.tagStack.push(element);
+    };
+    DomHandler.prototype.ontext = function (data) {
+        var lastNode = this.lastNode;
+        if (lastNode && lastNode.type === domelementtype_1.ElementType.Text) {
+            lastNode.data += data;
+            if (this.options.withEndIndices) {
+                lastNode.endIndex = this.parser.endIndex;
+            }
+        }
+        else {
+            var node = new node_js_1.Text(data);
+            this.addNode(node);
+            this.lastNode = node;
+        }
+    };
+    DomHandler.prototype.oncomment = function (data) {
+        if (this.lastNode && this.lastNode.type === domelementtype_1.ElementType.Comment) {
+            this.lastNode.data += data;
+            return;
+        }
+        var node = new node_js_1.Comment(data);
+        this.addNode(node);
+        this.lastNode = node;
+    };
+    DomHandler.prototype.oncommentend = function () {
+        this.lastNode = null;
+    };
+    DomHandler.prototype.oncdatastart = function () {
+        var text = new node_js_1.Text("");
+        var node = new node_js_1.CDATA([text]);
+        this.addNode(node);
+        text.parent = node;
+        this.lastNode = text;
+    };
+    DomHandler.prototype.oncdataend = function () {
+        this.lastNode = null;
+    };
+    DomHandler.prototype.onprocessinginstruction = function (name, data) {
+        var node = new node_js_1.ProcessingInstruction(name, data);
+        this.addNode(node);
+    };
+    DomHandler.prototype.handleCallback = function (error) {
+        if (typeof this.callback === "function") {
+            this.callback(error, this.dom);
+        }
+        else if (error) {
+            throw error;
+        }
+    };
+    DomHandler.prototype.addNode = function (node) {
+        var parent = this.tagStack[this.tagStack.length - 1];
+        var previousSibling = parent.children[parent.children.length - 1];
+        if (this.options.withStartIndices) {
+            node.startIndex = this.parser.startIndex;
+        }
+        if (this.options.withEndIndices) {
+            node.endIndex = this.parser.endIndex;
+        }
+        parent.children.push(node);
+        if (previousSibling) {
+            node.prev = previousSibling;
+            previousSibling.next = node;
+        }
+        node.parent = parent;
+        this.lastNode = null;
+    };
+    return DomHandler;
+}());
+exports.DomHandler = DomHandler;
+exports.default = DomHandler;
+
+},{"./node.js":280,"domelementtype":278}],280:[function(require,module,exports){
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        if (typeof b !== "function" && b !== null)
+            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+var __assign = (this && this.__assign) || function () {
+    __assign = Object.assign || function(t) {
+        for (var s, i = 1, n = arguments.length; i < n; i++) {
+            s = arguments[i];
+            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
+                t[p] = s[p];
+        }
+        return t;
+    };
+    return __assign.apply(this, arguments);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.cloneNode = exports.hasChildren = exports.isDocument = exports.isDirective = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = exports.Element = exports.Document = exports.CDATA = exports.NodeWithChildren = exports.ProcessingInstruction = exports.Comment = exports.Text = exports.DataNode = exports.Node = void 0;
+var domelementtype_1 = require("domelementtype");
+/**
+ * This object will be used as the prototype for Nodes when creating a
+ * DOM-Level-1-compliant structure.
+ */
+var Node = /** @class */ (function () {
+    function Node() {
+        /** Parent of the node */
+        this.parent = null;
+        /** Previous sibling */
+        this.prev = null;
+        /** Next sibling */
+        this.next = null;
+        /** The start index of the node. Requires `withStartIndices` on the handler to be `true. */
+        this.startIndex = null;
+        /** The end index of the node. Requires `withEndIndices` on the handler to be `true. */
+        this.endIndex = null;
+    }
+    Object.defineProperty(Node.prototype, "parentNode", {
+        // Read-write aliases for properties
+        /**
+         * Same as {@link parent}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.parent;
+        },
+        set: function (parent) {
+            this.parent = parent;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(Node.prototype, "previousSibling", {
+        /**
+         * Same as {@link prev}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.prev;
+        },
+        set: function (prev) {
+            this.prev = prev;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(Node.prototype, "nextSibling", {
+        /**
+         * Same as {@link next}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.next;
+        },
+        set: function (next) {
+            this.next = next;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    /**
+     * Clone this node, and optionally its children.
+     *
+     * @param recursive Clone child nodes as well.
+     * @returns A clone of the node.
+     */
+    Node.prototype.cloneNode = function (recursive) {
+        if (recursive === void 0) { recursive = false; }
+        return cloneNode(this, recursive);
+    };
+    return Node;
+}());
+exports.Node = Node;
+/**
+ * A node that contains some data.
+ */
+var DataNode = /** @class */ (function (_super) {
+    __extends(DataNode, _super);
+    /**
+     * @param data The content of the data node
+     */
+    function DataNode(data) {
+        var _this = _super.call(this) || this;
+        _this.data = data;
+        return _this;
+    }
+    Object.defineProperty(DataNode.prototype, "nodeValue", {
+        /**
+         * Same as {@link data}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.data;
+        },
+        set: function (data) {
+            this.data = data;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return DataNode;
+}(Node));
+exports.DataNode = DataNode;
+/**
+ * Text within the document.
+ */
+var Text = /** @class */ (function (_super) {
+    __extends(Text, _super);
+    function Text() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.type = domelementtype_1.ElementType.Text;
+        return _this;
+    }
+    Object.defineProperty(Text.prototype, "nodeType", {
+        get: function () {
+            return 3;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return Text;
+}(DataNode));
+exports.Text = Text;
+/**
+ * Comments within the document.
+ */
+var Comment = /** @class */ (function (_super) {
+    __extends(Comment, _super);
+    function Comment() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.type = domelementtype_1.ElementType.Comment;
+        return _this;
+    }
+    Object.defineProperty(Comment.prototype, "nodeType", {
+        get: function () {
+            return 8;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return Comment;
+}(DataNode));
+exports.Comment = Comment;
+/**
+ * Processing instructions, including doc types.
+ */
+var ProcessingInstruction = /** @class */ (function (_super) {
+    __extends(ProcessingInstruction, _super);
+    function ProcessingInstruction(name, data) {
+        var _this = _super.call(this, data) || this;
+        _this.name = name;
+        _this.type = domelementtype_1.ElementType.Directive;
+        return _this;
+    }
+    Object.defineProperty(ProcessingInstruction.prototype, "nodeType", {
+        get: function () {
+            return 1;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return ProcessingInstruction;
+}(DataNode));
+exports.ProcessingInstruction = ProcessingInstruction;
+/**
+ * A `Node` that can have children.
+ */
+var NodeWithChildren = /** @class */ (function (_super) {
+    __extends(NodeWithChildren, _super);
+    /**
+     * @param children Children of the node. Only certain node types can have children.
+     */
+    function NodeWithChildren(children) {
+        var _this = _super.call(this) || this;
+        _this.children = children;
+        return _this;
+    }
+    Object.defineProperty(NodeWithChildren.prototype, "firstChild", {
+        // Aliases
+        /** First child of the node. */
+        get: function () {
+            var _a;
+            return (_a = this.children[0]) !== null && _a !== void 0 ? _a : null;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(NodeWithChildren.prototype, "lastChild", {
+        /** Last child of the node. */
+        get: function () {
+            return this.children.length > 0
+                ? this.children[this.children.length - 1]
+                : null;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(NodeWithChildren.prototype, "childNodes", {
+        /**
+         * Same as {@link children}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.children;
+        },
+        set: function (children) {
+            this.children = children;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return NodeWithChildren;
+}(Node));
+exports.NodeWithChildren = NodeWithChildren;
+var CDATA = /** @class */ (function (_super) {
+    __extends(CDATA, _super);
+    function CDATA() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.type = domelementtype_1.ElementType.CDATA;
+        return _this;
+    }
+    Object.defineProperty(CDATA.prototype, "nodeType", {
+        get: function () {
+            return 4;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return CDATA;
+}(NodeWithChildren));
+exports.CDATA = CDATA;
+/**
+ * The root node of the document.
+ */
+var Document = /** @class */ (function (_super) {
+    __extends(Document, _super);
+    function Document() {
+        var _this = _super !== null && _super.apply(this, arguments) || this;
+        _this.type = domelementtype_1.ElementType.Root;
+        return _this;
+    }
+    Object.defineProperty(Document.prototype, "nodeType", {
+        get: function () {
+            return 9;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return Document;
+}(NodeWithChildren));
+exports.Document = Document;
+/**
+ * An element within the DOM.
+ */
+var Element = /** @class */ (function (_super) {
+    __extends(Element, _super);
+    /**
+     * @param name Name of the tag, eg. `div`, `span`.
+     * @param attribs Object mapping attribute names to attribute values.
+     * @param children Children of the node.
+     */
+    function Element(name, attribs, children, type) {
+        if (children === void 0) { children = []; }
+        if (type === void 0) { type = name === "script"
+            ? domelementtype_1.ElementType.Script
+            : name === "style"
+                ? domelementtype_1.ElementType.Style
+                : domelementtype_1.ElementType.Tag; }
+        var _this = _super.call(this, children) || this;
+        _this.name = name;
+        _this.attribs = attribs;
+        _this.type = type;
+        return _this;
+    }
+    Object.defineProperty(Element.prototype, "nodeType", {
+        get: function () {
+            return 1;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(Element.prototype, "tagName", {
+        // DOM Level 1 aliases
+        /**
+         * Same as {@link name}.
+         * [DOM spec](https://dom.spec.whatwg.org)-compatible alias.
+         */
+        get: function () {
+            return this.name;
+        },
+        set: function (name) {
+            this.name = name;
+        },
+        enumerable: false,
+        configurable: true
+    });
+    Object.defineProperty(Element.prototype, "attributes", {
+        get: function () {
+            var _this = this;
+            return Object.keys(this.attribs).map(function (name) {
+                var _a, _b;
+                return ({
+                    name: name,
+                    value: _this.attribs[name],
+                    namespace: (_a = _this["x-attribsNamespace"]) === null || _a === void 0 ? void 0 : _a[name],
+                    prefix: (_b = _this["x-attribsPrefix"]) === null || _b === void 0 ? void 0 : _b[name],
+                });
+            });
+        },
+        enumerable: false,
+        configurable: true
+    });
+    return Element;
+}(NodeWithChildren));
+exports.Element = Element;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node is a `Element`, `false` otherwise.
+ */
+function isTag(node) {
+    return (0, domelementtype_1.isTag)(node);
+}
+exports.isTag = isTag;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has the type `CDATA`, `false` otherwise.
+ */
+function isCDATA(node) {
+    return node.type === domelementtype_1.ElementType.CDATA;
+}
+exports.isCDATA = isCDATA;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has the type `Text`, `false` otherwise.
+ */
+function isText(node) {
+    return node.type === domelementtype_1.ElementType.Text;
+}
+exports.isText = isText;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has the type `Comment`, `false` otherwise.
+ */
+function isComment(node) {
+    return node.type === domelementtype_1.ElementType.Comment;
+}
+exports.isComment = isComment;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
+ */
+function isDirective(node) {
+    return node.type === domelementtype_1.ElementType.Directive;
+}
+exports.isDirective = isDirective;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has the type `ProcessingInstruction`, `false` otherwise.
+ */
+function isDocument(node) {
+    return node.type === domelementtype_1.ElementType.Root;
+}
+exports.isDocument = isDocument;
+/**
+ * @param node Node to check.
+ * @returns `true` if the node has children, `false` otherwise.
+ */
+function hasChildren(node) {
+    return Object.prototype.hasOwnProperty.call(node, "children");
+}
+exports.hasChildren = hasChildren;
+/**
+ * Clone a node, and optionally its children.
+ *
+ * @param recursive Clone child nodes as well.
+ * @returns A clone of the node.
+ */
+function cloneNode(node, recursive) {
+    if (recursive === void 0) { recursive = false; }
+    var result;
+    if (isText(node)) {
+        result = new Text(node.data);
+    }
+    else if (isComment(node)) {
+        result = new Comment(node.data);
+    }
+    else if (isTag(node)) {
+        var children = recursive ? cloneChildren(node.children) : [];
+        var clone_1 = new Element(node.name, __assign({}, node.attribs), children);
+        children.forEach(function (child) { return (child.parent = clone_1); });
+        if (node.namespace != null) {
+            clone_1.namespace = node.namespace;
+        }
+        if (node["x-attribsNamespace"]) {
+            clone_1["x-attribsNamespace"] = __assign({}, node["x-attribsNamespace"]);
+        }
+        if (node["x-attribsPrefix"]) {
+            clone_1["x-attribsPrefix"] = __assign({}, node["x-attribsPrefix"]);
+        }
+        result = clone_1;
+    }
+    else if (isCDATA(node)) {
+        var children = recursive ? cloneChildren(node.children) : [];
+        var clone_2 = new CDATA(children);
+        children.forEach(function (child) { return (child.parent = clone_2); });
+        result = clone_2;
+    }
+    else if (isDocument(node)) {
+        var children = recursive ? cloneChildren(node.children) : [];
+        var clone_3 = new Document(children);
+        children.forEach(function (child) { return (child.parent = clone_3); });
+        if (node["x-mode"]) {
+            clone_3["x-mode"] = node["x-mode"];
+        }
+        result = clone_3;
+    }
+    else if (isDirective(node)) {
+        var instruction = new ProcessingInstruction(node.name, node.data);
+        if (node["x-name"] != null) {
+            instruction["x-name"] = node["x-name"];
+            instruction["x-publicId"] = node["x-publicId"];
+            instruction["x-systemId"] = node["x-systemId"];
+        }
+        result = instruction;
+    }
+    else {
+        throw new Error("Not implemented yet: ".concat(node.type));
+    }
+    result.startIndex = node.startIndex;
+    result.endIndex = node.endIndex;
+    if (node.sourceCodeLocation != null) {
+        result.sourceCodeLocation = node.sourceCodeLocation;
+    }
+    return result;
+}
+exports.cloneNode = cloneNode;
+function cloneChildren(childs) {
+    var children = childs.map(function (child) { return cloneNode(child, true); });
+    for (var i = 1; i < children.length; i++) {
+        children[i].prev = children[i - 1];
+        children[i - 1].next = children[i];
+    }
+    return children;
+}
+
+},{"domelementtype":278}],281:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getFeed = void 0;
+var stringify_js_1 = require("./stringify.js");
+var legacy_js_1 = require("./legacy.js");
+/**
+ * Get the feed object from the root of a DOM tree.
+ *
+ * @category Feeds
+ * @param doc - The DOM to to extract the feed from.
+ * @returns The feed.
+ */
+function getFeed(doc) {
+    var feedRoot = getOneElement(isValidFeed, doc);
+    return !feedRoot
+        ? null
+        : feedRoot.name === "feed"
+            ? getAtomFeed(feedRoot)
+            : getRssFeed(feedRoot);
+}
+exports.getFeed = getFeed;
+/**
+ * Parse an Atom feed.
+ *
+ * @param feedRoot The root of the feed.
+ * @returns The parsed feed.
+ */
+function getAtomFeed(feedRoot) {
+    var _a;
+    var childs = feedRoot.children;
+    var feed = {
+        type: "atom",
+        items: (0, legacy_js_1.getElementsByTagName)("entry", childs).map(function (item) {
+            var _a;
+            var children = item.children;
+            var entry = { media: getMediaElements(children) };
+            addConditionally(entry, "id", "id", children);
+            addConditionally(entry, "title", "title", children);
+            var href = (_a = getOneElement("link", children)) === null || _a === void 0 ? void 0 : _a.attribs["href"];
+            if (href) {
+                entry.link = href;
+            }
+            var description = fetch("summary", children) || fetch("content", children);
+            if (description) {
+                entry.description = description;
+            }
+            var pubDate = fetch("updated", children);
+            if (pubDate) {
+                entry.pubDate = new Date(pubDate);
+            }
+            return entry;
+        }),
+    };
+    addConditionally(feed, "id", "id", childs);
+    addConditionally(feed, "title", "title", childs);
+    var href = (_a = getOneElement("link", childs)) === null || _a === void 0 ? void 0 : _a.attribs["href"];
+    if (href) {
+        feed.link = href;
+    }
+    addConditionally(feed, "description", "subtitle", childs);
+    var updated = fetch("updated", childs);
+    if (updated) {
+        feed.updated = new Date(updated);
+    }
+    addConditionally(feed, "author", "email", childs, true);
+    return feed;
+}
+/**
+ * Parse a RSS feed.
+ *
+ * @param feedRoot The root of the feed.
+ * @returns The parsed feed.
+ */
+function getRssFeed(feedRoot) {
+    var _a, _b;
+    var childs = (_b = (_a = getOneElement("channel", feedRoot.children)) === null || _a === void 0 ? void 0 : _a.children) !== null && _b !== void 0 ? _b : [];
+    var feed = {
+        type: feedRoot.name.substr(0, 3),
+        id: "",
+        items: (0, legacy_js_1.getElementsByTagName)("item", feedRoot.children).map(function (item) {
+            var children = item.children;
+            var entry = { media: getMediaElements(children) };
+            addConditionally(entry, "id", "guid", children);
+            addConditionally(entry, "title", "title", children);
+            addConditionally(entry, "link", "link", children);
+            addConditionally(entry, "description", "description", children);
+            var pubDate = fetch("pubDate", children) || fetch("dc:date", children);
+            if (pubDate)
+                entry.pubDate = new Date(pubDate);
+            return entry;
+        }),
+    };
+    addConditionally(feed, "title", "title", childs);
+    addConditionally(feed, "link", "link", childs);
+    addConditionally(feed, "description", "description", childs);
+    var updated = fetch("lastBuildDate", childs);
+    if (updated) {
+        feed.updated = new Date(updated);
+    }
+    addConditionally(feed, "author", "managingEditor", childs, true);
+    return feed;
+}
+var MEDIA_KEYS_STRING = ["url", "type", "lang"];
+var MEDIA_KEYS_INT = [
+    "fileSize",
+    "bitrate",
+    "framerate",
+    "samplingrate",
+    "channels",
+    "duration",
+    "height",
+    "width",
+];
+/**
+ * Get all media elements of a feed item.
+ *
+ * @param where Nodes to search in.
+ * @returns Media elements.
+ */
+function getMediaElements(where) {
+    return (0, legacy_js_1.getElementsByTagName)("media:content", where).map(function (elem) {
+        var attribs = elem.attribs;
+        var media = {
+            medium: attribs["medium"],
+            isDefault: !!attribs["isDefault"],
+        };
+        for (var _i = 0, MEDIA_KEYS_STRING_1 = MEDIA_KEYS_STRING; _i < MEDIA_KEYS_STRING_1.length; _i++) {
+            var attrib = MEDIA_KEYS_STRING_1[_i];
+            if (attribs[attrib]) {
+                media[attrib] = attribs[attrib];
+            }
+        }
+        for (var _a = 0, MEDIA_KEYS_INT_1 = MEDIA_KEYS_INT; _a < MEDIA_KEYS_INT_1.length; _a++) {
+            var attrib = MEDIA_KEYS_INT_1[_a];
+            if (attribs[attrib]) {
+                media[attrib] = parseInt(attribs[attrib], 10);
+            }
+        }
+        if (attribs["expression"]) {
+            media.expression = attribs["expression"];
+        }
+        return media;
+    });
+}
+/**
+ * Get one element by tag name.
+ *
+ * @param tagName Tag name to look for
+ * @param node Node to search in
+ * @returns The element or null
+ */
+function getOneElement(tagName, node) {
+    return (0, legacy_js_1.getElementsByTagName)(tagName, node, true, 1)[0];
+}
+/**
+ * Get the text content of an element with a certain tag name.
+ *
+ * @param tagName Tag name to look for.
+ * @param where Node to search in.
+ * @param recurse Whether to recurse into child nodes.
+ * @returns The text content of the element.
+ */
+function fetch(tagName, where, recurse) {
+    if (recurse === void 0) { recurse = false; }
+    return (0, stringify_js_1.textContent)((0, legacy_js_1.getElementsByTagName)(tagName, where, recurse, 1)).trim();
+}
+/**
+ * Adds a property to an object if it has a value.
+ *
+ * @param obj Object to be extended
+ * @param prop Property name
+ * @param tagName Tag name that contains the conditionally added property
+ * @param where Element to search for the property
+ * @param recurse Whether to recurse into child nodes.
+ */
+function addConditionally(obj, prop, tagName, where, recurse) {
+    if (recurse === void 0) { recurse = false; }
+    var val = fetch(tagName, where, recurse);
+    if (val)
+        obj[prop] = val;
+}
+/**
+ * Checks if an element is a feed root node.
+ *
+ * @param value The name of the element to check.
+ * @returns Whether an element is a feed root node.
+ */
+function isValidFeed(value) {
+    return value === "rss" || value === "feed" || value === "rdf:RDF";
+}
+
+},{"./legacy.js":284,"./stringify.js":287}],282:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.uniqueSort = exports.compareDocumentPosition = exports.DocumentPosition = exports.removeSubsets = void 0;
+var domhandler_1 = require("domhandler");
+/**
+ * Given an array of nodes, remove any member that is contained by another
+ * member.
+ *
+ * @category Helpers
+ * @param nodes Nodes to filter.
+ * @returns Remaining nodes that aren't contained by other nodes.
+ */
+function removeSubsets(nodes) {
+    var idx = nodes.length;
+    /*
+     * Check if each node (or one of its ancestors) is already contained in the
+     * array.
+     */
+    while (--idx >= 0) {
+        var node = nodes[idx];
+        /*
+         * Remove the node if it is not unique.
+         * We are going through the array from the end, so we only
+         * have to check nodes that preceed the node under consideration in the array.
+         */
+        if (idx > 0 && nodes.lastIndexOf(node, idx - 1) >= 0) {
+            nodes.splice(idx, 1);
+            continue;
+        }
+        for (var ancestor = node.parent; ancestor; ancestor = ancestor.parent) {
+            if (nodes.includes(ancestor)) {
+                nodes.splice(idx, 1);
+                break;
+            }
+        }
+    }
+    return nodes;
+}
+exports.removeSubsets = removeSubsets;
+/**
+ * @category Helpers
+ * @see {@link http://dom.spec.whatwg.org/#dom-node-comparedocumentposition}
+ */
+var DocumentPosition;
+(function (DocumentPosition) {
+    DocumentPosition[DocumentPosition["DISCONNECTED"] = 1] = "DISCONNECTED";
+    DocumentPosition[DocumentPosition["PRECEDING"] = 2] = "PRECEDING";
+    DocumentPosition[DocumentPosition["FOLLOWING"] = 4] = "FOLLOWING";
+    DocumentPosition[DocumentPosition["CONTAINS"] = 8] = "CONTAINS";
+    DocumentPosition[DocumentPosition["CONTAINED_BY"] = 16] = "CONTAINED_BY";
+})(DocumentPosition = exports.DocumentPosition || (exports.DocumentPosition = {}));
+/**
+ * Compare the position of one node against another node in any other document,
+ * returning a bitmask with the values from {@link DocumentPosition}.
+ *
+ * Document order:
+ * > There is an ordering, document order, defined on all the nodes in the
+ * > document corresponding to the order in which the first character of the
+ * > XML representation of each node occurs in the XML representation of the
+ * > document after expansion of general entities. Thus, the document element
+ * > node will be the first node. Element nodes occur before their children.
+ * > Thus, document order orders element nodes in order of the occurrence of
+ * > their start-tag in the XML (after expansion of entities). The attribute
+ * > nodes of an element occur after the element and before its children. The
+ * > relative order of attribute nodes is implementation-dependent.
+ *
+ * Source:
+ * http://www.w3.org/TR/DOM-Level-3-Core/glossary.html#dt-document-order
+ *
+ * @category Helpers
+ * @param nodeA The first node to use in the comparison
+ * @param nodeB The second node to use in the comparison
+ * @returns A bitmask describing the input nodes' relative position.
+ *
+ * See http://dom.spec.whatwg.org/#dom-node-comparedocumentposition for
+ * a description of these values.
+ */
+function compareDocumentPosition(nodeA, nodeB) {
+    var aParents = [];
+    var bParents = [];
+    if (nodeA === nodeB) {
+        return 0;
+    }
+    var current = (0, domhandler_1.hasChildren)(nodeA) ? nodeA : nodeA.parent;
+    while (current) {
+        aParents.unshift(current);
+        current = current.parent;
+    }
+    current = (0, domhandler_1.hasChildren)(nodeB) ? nodeB : nodeB.parent;
+    while (current) {
+        bParents.unshift(current);
+        current = current.parent;
+    }
+    var maxIdx = Math.min(aParents.length, bParents.length);
+    var idx = 0;
+    while (idx < maxIdx && aParents[idx] === bParents[idx]) {
+        idx++;
+    }
+    if (idx === 0) {
+        return DocumentPosition.DISCONNECTED;
+    }
+    var sharedParent = aParents[idx - 1];
+    var siblings = sharedParent.children;
+    var aSibling = aParents[idx];
+    var bSibling = bParents[idx];
+    if (siblings.indexOf(aSibling) > siblings.indexOf(bSibling)) {
+        if (sharedParent === nodeB) {
+            return DocumentPosition.FOLLOWING | DocumentPosition.CONTAINED_BY;
+        }
+        return DocumentPosition.FOLLOWING;
+    }
+    if (sharedParent === nodeA) {
+        return DocumentPosition.PRECEDING | DocumentPosition.CONTAINS;
+    }
+    return DocumentPosition.PRECEDING;
+}
+exports.compareDocumentPosition = compareDocumentPosition;
+/**
+ * Sort an array of nodes based on their relative position in the document,
+ * removing any duplicate nodes. If the array contains nodes that do not belong
+ * to the same document, sort order is unspecified.
+ *
+ * @category Helpers
+ * @param nodes Array of DOM nodes.
+ * @returns Collection of unique nodes, sorted in document order.
+ */
+function uniqueSort(nodes) {
+    nodes = nodes.filter(function (node, i, arr) { return !arr.includes(node, i + 1); });
+    nodes.sort(function (a, b) {
+        var relative = compareDocumentPosition(a, b);
+        if (relative & DocumentPosition.PRECEDING) {
+            return -1;
+        }
+        else if (relative & DocumentPosition.FOLLOWING) {
+            return 1;
+        }
+        return 0;
+    });
+    return nodes;
+}
+exports.uniqueSort = uniqueSort;
+
+},{"domhandler":279}],283:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __exportStar = (this && this.__exportStar) || function(m, exports) {
+    for (var p in m) if (p !== "default" && !Object.prototype.hasOwnProperty.call(exports, p)) __createBinding(exports, m, p);
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.hasChildren = exports.isDocument = exports.isComment = exports.isText = exports.isCDATA = exports.isTag = void 0;
+__exportStar(require("./stringify.js"), exports);
+__exportStar(require("./traversal.js"), exports);
+__exportStar(require("./manipulation.js"), exports);
+__exportStar(require("./querying.js"), exports);
+__exportStar(require("./legacy.js"), exports);
+__exportStar(require("./helpers.js"), exports);
+__exportStar(require("./feeds.js"), exports);
+/** @deprecated Use these methods from `domhandler` directly. */
+var domhandler_1 = require("domhandler");
+Object.defineProperty(exports, "isTag", { enumerable: true, get: function () { return domhandler_1.isTag; } });
+Object.defineProperty(exports, "isCDATA", { enumerable: true, get: function () { return domhandler_1.isCDATA; } });
+Object.defineProperty(exports, "isText", { enumerable: true, get: function () { return domhandler_1.isText; } });
+Object.defineProperty(exports, "isComment", { enumerable: true, get: function () { return domhandler_1.isComment; } });
+Object.defineProperty(exports, "isDocument", { enumerable: true, get: function () { return domhandler_1.isDocument; } });
+Object.defineProperty(exports, "hasChildren", { enumerable: true, get: function () { return domhandler_1.hasChildren; } });
+
+},{"./feeds.js":281,"./helpers.js":282,"./legacy.js":284,"./manipulation.js":285,"./querying.js":286,"./stringify.js":287,"./traversal.js":288,"domhandler":279}],284:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getElementsByTagType = exports.getElementsByTagName = exports.getElementById = exports.getElements = exports.testElement = void 0;
+var domhandler_1 = require("domhandler");
+var querying_js_1 = require("./querying.js");
+/**
+ * A map of functions to check nodes against.
+ */
+var Checks = {
+    tag_name: function (name) {
+        if (typeof name === "function") {
+            return function (elem) { return (0, domhandler_1.isTag)(elem) && name(elem.name); };
+        }
+        else if (name === "*") {
+            return domhandler_1.isTag;
+        }
+        return function (elem) { return (0, domhandler_1.isTag)(elem) && elem.name === name; };
+    },
+    tag_type: function (type) {
+        if (typeof type === "function") {
+            return function (elem) { return type(elem.type); };
+        }
+        return function (elem) { return elem.type === type; };
+    },
+    tag_contains: function (data) {
+        if (typeof data === "function") {
+            return function (elem) { return (0, domhandler_1.isText)(elem) && data(elem.data); };
+        }
+        return function (elem) { return (0, domhandler_1.isText)(elem) && elem.data === data; };
+    },
+};
+/**
+ * Returns a function to check whether a node has an attribute with a particular
+ * value.
+ *
+ * @param attrib Attribute to check.
+ * @param value Attribute value to look for.
+ * @returns A function to check whether the a node has an attribute with a
+ *   particular value.
+ */
+function getAttribCheck(attrib, value) {
+    if (typeof value === "function") {
+        return function (elem) { return (0, domhandler_1.isTag)(elem) && value(elem.attribs[attrib]); };
+    }
+    return function (elem) { return (0, domhandler_1.isTag)(elem) && elem.attribs[attrib] === value; };
+}
+/**
+ * Returns a function that returns `true` if either of the input functions
+ * returns `true` for a node.
+ *
+ * @param a First function to combine.
+ * @param b Second function to combine.
+ * @returns A function taking a node and returning `true` if either of the input
+ *   functions returns `true` for the node.
+ */
+function combineFuncs(a, b) {
+    return function (elem) { return a(elem) || b(elem); };
+}
+/**
+ * Returns a function that executes all checks in `options` and returns `true`
+ * if any of them match a node.
+ *
+ * @param options An object describing nodes to look for.
+ * @returns A function that executes all checks in `options` and returns `true`
+ *   if any of them match a node.
+ */
+function compileTest(options) {
+    var funcs = Object.keys(options).map(function (key) {
+        var value = options[key];
+        return Object.prototype.hasOwnProperty.call(Checks, key)
+            ? Checks[key](value)
+            : getAttribCheck(key, value);
+    });
+    return funcs.length === 0 ? null : funcs.reduce(combineFuncs);
+}
+/**
+ * Checks whether a node matches the description in `options`.
+ *
+ * @category Legacy Query Functions
+ * @param options An object describing nodes to look for.
+ * @param node The element to test.
+ * @returns Whether the element matches the description in `options`.
+ */
+function testElement(options, node) {
+    var test = compileTest(options);
+    return test ? test(node) : true;
+}
+exports.testElement = testElement;
+/**
+ * Returns all nodes that match `options`.
+ *
+ * @category Legacy Query Functions
+ * @param options An object describing nodes to look for.
+ * @param nodes Nodes to search through.
+ * @param recurse Also consider child nodes.
+ * @param limit Maximum number of nodes to return.
+ * @returns All nodes that match `options`.
+ */
+function getElements(options, nodes, recurse, limit) {
+    if (limit === void 0) { limit = Infinity; }
+    var test = compileTest(options);
+    return test ? (0, querying_js_1.filter)(test, nodes, recurse, limit) : [];
+}
+exports.getElements = getElements;
+/**
+ * Returns the node with the supplied ID.
+ *
+ * @category Legacy Query Functions
+ * @param id The unique ID attribute value to look for.
+ * @param nodes Nodes to search through.
+ * @param recurse Also consider child nodes.
+ * @returns The node with the supplied ID.
+ */
+function getElementById(id, nodes, recurse) {
+    if (recurse === void 0) { recurse = true; }
+    if (!Array.isArray(nodes))
+        nodes = [nodes];
+    return (0, querying_js_1.findOne)(getAttribCheck("id", id), nodes, recurse);
+}
+exports.getElementById = getElementById;
+/**
+ * Returns all nodes with the supplied `tagName`.
+ *
+ * @category Legacy Query Functions
+ * @param tagName Tag name to search for.
+ * @param nodes Nodes to search through.
+ * @param recurse Also consider child nodes.
+ * @param limit Maximum number of nodes to return.
+ * @returns All nodes with the supplied `tagName`.
+ */
+function getElementsByTagName(tagName, nodes, recurse, limit) {
+    if (recurse === void 0) { recurse = true; }
+    if (limit === void 0) { limit = Infinity; }
+    return (0, querying_js_1.filter)(Checks["tag_name"](tagName), nodes, recurse, limit);
+}
+exports.getElementsByTagName = getElementsByTagName;
+/**
+ * Returns all nodes with the supplied `type`.
+ *
+ * @category Legacy Query Functions
+ * @param type Element type to look for.
+ * @param nodes Nodes to search through.
+ * @param recurse Also consider child nodes.
+ * @param limit Maximum number of nodes to return.
+ * @returns All nodes with the supplied `type`.
+ */
+function getElementsByTagType(type, nodes, recurse, limit) {
+    if (recurse === void 0) { recurse = true; }
+    if (limit === void 0) { limit = Infinity; }
+    return (0, querying_js_1.filter)(Checks["tag_type"](type), nodes, recurse, limit);
+}
+exports.getElementsByTagType = getElementsByTagType;
+
+},{"./querying.js":286,"domhandler":279}],285:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.prepend = exports.prependChild = exports.append = exports.appendChild = exports.replaceElement = exports.removeElement = void 0;
+/**
+ * Remove an element from the dom
+ *
+ * @category Manipulation
+ * @param elem The element to be removed
+ */
+function removeElement(elem) {
+    if (elem.prev)
+        elem.prev.next = elem.next;
+    if (elem.next)
+        elem.next.prev = elem.prev;
+    if (elem.parent) {
+        var childs = elem.parent.children;
+        var childsIndex = childs.lastIndexOf(elem);
+        if (childsIndex >= 0) {
+            childs.splice(childsIndex, 1);
+        }
+    }
+    elem.next = null;
+    elem.prev = null;
+    elem.parent = null;
+}
+exports.removeElement = removeElement;
+/**
+ * Replace an element in the dom
+ *
+ * @category Manipulation
+ * @param elem The element to be replaced
+ * @param replacement The element to be added
+ */
+function replaceElement(elem, replacement) {
+    var prev = (replacement.prev = elem.prev);
+    if (prev) {
+        prev.next = replacement;
+    }
+    var next = (replacement.next = elem.next);
+    if (next) {
+        next.prev = replacement;
+    }
+    var parent = (replacement.parent = elem.parent);
+    if (parent) {
+        var childs = parent.children;
+        childs[childs.lastIndexOf(elem)] = replacement;
+        elem.parent = null;
+    }
+}
+exports.replaceElement = replaceElement;
+/**
+ * Append a child to an element.
+ *
+ * @category Manipulation
+ * @param parent The element to append to.
+ * @param child The element to be added as a child.
+ */
+function appendChild(parent, child) {
+    removeElement(child);
+    child.next = null;
+    child.parent = parent;
+    if (parent.children.push(child) > 1) {
+        var sibling = parent.children[parent.children.length - 2];
+        sibling.next = child;
+        child.prev = sibling;
+    }
+    else {
+        child.prev = null;
+    }
+}
+exports.appendChild = appendChild;
+/**
+ * Append an element after another.
+ *
+ * @category Manipulation
+ * @param elem The element to append after.
+ * @param next The element be added.
+ */
+function append(elem, next) {
+    removeElement(next);
+    var parent = elem.parent;
+    var currNext = elem.next;
+    next.next = currNext;
+    next.prev = elem;
+    elem.next = next;
+    next.parent = parent;
+    if (currNext) {
+        currNext.prev = next;
+        if (parent) {
+            var childs = parent.children;
+            childs.splice(childs.lastIndexOf(currNext), 0, next);
+        }
+    }
+    else if (parent) {
+        parent.children.push(next);
+    }
+}
+exports.append = append;
+/**
+ * Prepend a child to an element.
+ *
+ * @category Manipulation
+ * @param parent The element to prepend before.
+ * @param child The element to be added as a child.
+ */
+function prependChild(parent, child) {
+    removeElement(child);
+    child.parent = parent;
+    child.prev = null;
+    if (parent.children.unshift(child) !== 1) {
+        var sibling = parent.children[1];
+        sibling.prev = child;
+        child.next = sibling;
+    }
+    else {
+        child.next = null;
+    }
+}
+exports.prependChild = prependChild;
+/**
+ * Prepend an element before another.
+ *
+ * @category Manipulation
+ * @param elem The element to prepend before.
+ * @param prev The element be added.
+ */
+function prepend(elem, prev) {
+    removeElement(prev);
+    var parent = elem.parent;
+    if (parent) {
+        var childs = parent.children;
+        childs.splice(childs.indexOf(elem), 0, prev);
+    }
+    if (elem.prev) {
+        elem.prev.next = prev;
+    }
+    prev.parent = parent;
+    prev.prev = elem.prev;
+    prev.next = elem;
+    elem.prev = prev;
+}
+exports.prepend = prepend;
+
+},{}],286:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.findAll = exports.existsOne = exports.findOne = exports.findOneChild = exports.find = exports.filter = void 0;
+var domhandler_1 = require("domhandler");
+/**
+ * Search a node and its children for nodes passing a test function. If `node` is not an array, it will be wrapped in one.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param node Node to search. Will be included in the result set if it matches.
+ * @param recurse Also consider child nodes.
+ * @param limit Maximum number of nodes to return.
+ * @returns All nodes passing `test`.
+ */
+function filter(test, node, recurse, limit) {
+    if (recurse === void 0) { recurse = true; }
+    if (limit === void 0) { limit = Infinity; }
+    return find(test, Array.isArray(node) ? node : [node], recurse, limit);
+}
+exports.filter = filter;
+/**
+ * Search an array of nodes and their children for nodes passing a test function.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param nodes Array of nodes to search.
+ * @param recurse Also consider child nodes.
+ * @param limit Maximum number of nodes to return.
+ * @returns All nodes passing `test`.
+ */
+function find(test, nodes, recurse, limit) {
+    var result = [];
+    /** Stack of the arrays we are looking at. */
+    var nodeStack = [nodes];
+    /** Stack of the indices within the arrays. */
+    var indexStack = [0];
+    for (;;) {
+        // First, check if the current array has any more elements to look at.
+        if (indexStack[0] >= nodeStack[0].length) {
+            // If we have no more arrays to look at, we are done.
+            if (indexStack.length === 1) {
+                return result;
+            }
+            // Otherwise, remove the current array from the stack.
+            nodeStack.shift();
+            indexStack.shift();
+            // Loop back to the start to continue with the next array.
+            continue;
+        }
+        var elem = nodeStack[0][indexStack[0]++];
+        if (test(elem)) {
+            result.push(elem);
+            if (--limit <= 0)
+                return result;
+        }
+        if (recurse && (0, domhandler_1.hasChildren)(elem) && elem.children.length > 0) {
+            /*
+             * Add the children to the stack. We are depth-first, so this is
+             * the next array we look at.
+             */
+            indexStack.unshift(0);
+            nodeStack.unshift(elem.children);
+        }
+    }
+}
+exports.find = find;
+/**
+ * Finds the first element inside of an array that matches a test function. This is an alias for `Array.prototype.find`.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param nodes Array of nodes to search.
+ * @returns The first node in the array that passes `test`.
+ * @deprecated Use `Array.prototype.find` directly.
+ */
+function findOneChild(test, nodes) {
+    return nodes.find(test);
+}
+exports.findOneChild = findOneChild;
+/**
+ * Finds one element in a tree that passes a test.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param nodes Node or array of nodes to search.
+ * @param recurse Also consider child nodes.
+ * @returns The first node that passes `test`.
+ */
+function findOne(test, nodes, recurse) {
+    if (recurse === void 0) { recurse = true; }
+    var elem = null;
+    for (var i = 0; i < nodes.length && !elem; i++) {
+        var node = nodes[i];
+        if (!(0, domhandler_1.isTag)(node)) {
+            continue;
+        }
+        else if (test(node)) {
+            elem = node;
+        }
+        else if (recurse && node.children.length > 0) {
+            elem = findOne(test, node.children, true);
+        }
+    }
+    return elem;
+}
+exports.findOne = findOne;
+/**
+ * Checks if a tree of nodes contains at least one node passing a test.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param nodes Array of nodes to search.
+ * @returns Whether a tree of nodes contains at least one node passing the test.
+ */
+function existsOne(test, nodes) {
+    return nodes.some(function (checked) {
+        return (0, domhandler_1.isTag)(checked) &&
+            (test(checked) || existsOne(test, checked.children));
+    });
+}
+exports.existsOne = existsOne;
+/**
+ * Search an array of nodes and their children for elements passing a test function.
+ *
+ * Same as `find`, but limited to elements and with less options, leading to reduced complexity.
+ *
+ * @category Querying
+ * @param test Function to test nodes on.
+ * @param nodes Array of nodes to search.
+ * @returns All nodes passing `test`.
+ */
+function findAll(test, nodes) {
+    var result = [];
+    var nodeStack = [nodes];
+    var indexStack = [0];
+    for (;;) {
+        if (indexStack[0] >= nodeStack[0].length) {
+            if (nodeStack.length === 1) {
+                return result;
+            }
+            // Otherwise, remove the current array from the stack.
+            nodeStack.shift();
+            indexStack.shift();
+            // Loop back to the start to continue with the next array.
+            continue;
+        }
+        var elem = nodeStack[0][indexStack[0]++];
+        if (!(0, domhandler_1.isTag)(elem))
+            continue;
+        if (test(elem))
+            result.push(elem);
+        if (elem.children.length > 0) {
+            indexStack.unshift(0);
+            nodeStack.unshift(elem.children);
+        }
+    }
+}
+exports.findAll = findAll;
+
+},{"domhandler":279}],287:[function(require,module,exports){
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.innerText = exports.textContent = exports.getText = exports.getInnerHTML = exports.getOuterHTML = void 0;
+var domhandler_1 = require("domhandler");
+var dom_serializer_1 = __importDefault(require("dom-serializer"));
+var domelementtype_1 = require("domelementtype");
+/**
+ * @category Stringify
+ * @deprecated Use the `dom-serializer` module directly.
+ * @param node Node to get the outer HTML of.
+ * @param options Options for serialization.
+ * @returns `node`'s outer HTML.
+ */
+function getOuterHTML(node, options) {
+    return (0, dom_serializer_1.default)(node, options);
+}
+exports.getOuterHTML = getOuterHTML;
+/**
+ * @category Stringify
+ * @deprecated Use the `dom-serializer` module directly.
+ * @param node Node to get the inner HTML of.
+ * @param options Options for serialization.
+ * @returns `node`'s inner HTML.
+ */
+function getInnerHTML(node, options) {
+    return (0, domhandler_1.hasChildren)(node)
+        ? node.children.map(function (node) { return getOuterHTML(node, options); }).join("")
+        : "";
+}
+exports.getInnerHTML = getInnerHTML;
+/**
+ * Get a node's inner text. Same as `textContent`, but inserts newlines for `<br>` tags. Ignores comments.
+ *
+ * @category Stringify
+ * @deprecated Use `textContent` instead.
+ * @param node Node to get the inner text of.
+ * @returns `node`'s inner text.
+ */
+function getText(node) {
+    if (Array.isArray(node))
+        return node.map(getText).join("");
+    if ((0, domhandler_1.isTag)(node))
+        return node.name === "br" ? "\n" : getText(node.children);
+    if ((0, domhandler_1.isCDATA)(node))
+        return getText(node.children);
+    if ((0, domhandler_1.isText)(node))
+        return node.data;
+    return "";
+}
+exports.getText = getText;
+/**
+ * Get a node's text content. Ignores comments.
+ *
+ * @category Stringify
+ * @param node Node to get the text content of.
+ * @returns `node`'s text content.
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/textContent}
+ */
+function textContent(node) {
+    if (Array.isArray(node))
+        return node.map(textContent).join("");
+    if ((0, domhandler_1.hasChildren)(node) && !(0, domhandler_1.isComment)(node)) {
+        return textContent(node.children);
+    }
+    if ((0, domhandler_1.isText)(node))
+        return node.data;
+    return "";
+}
+exports.textContent = textContent;
+/**
+ * Get a node's inner text, ignoring `<script>` and `<style>` tags. Ignores comments.
+ *
+ * @category Stringify
+ * @param node Node to get the inner text of.
+ * @returns `node`'s inner text.
+ * @see {@link https://developer.mozilla.org/en-US/docs/Web/API/Node/innerText}
+ */
+function innerText(node) {
+    if (Array.isArray(node))
+        return node.map(innerText).join("");
+    if ((0, domhandler_1.hasChildren)(node) && (node.type === domelementtype_1.ElementType.Tag || (0, domhandler_1.isCDATA)(node))) {
+        return innerText(node.children);
+    }
+    if ((0, domhandler_1.isText)(node))
+        return node.data;
+    return "";
+}
+exports.innerText = innerText;
+
+},{"dom-serializer":277,"domelementtype":278,"domhandler":279}],288:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.prevElementSibling = exports.nextElementSibling = exports.getName = exports.hasAttrib = exports.getAttributeValue = exports.getSiblings = exports.getParent = exports.getChildren = void 0;
+var domhandler_1 = require("domhandler");
+/**
+ * Get a node's children.
+ *
+ * @category Traversal
+ * @param elem Node to get the children of.
+ * @returns `elem`'s children, or an empty array.
+ */
+function getChildren(elem) {
+    return (0, domhandler_1.hasChildren)(elem) ? elem.children : [];
+}
+exports.getChildren = getChildren;
+/**
+ * Get a node's parent.
+ *
+ * @category Traversal
+ * @param elem Node to get the parent of.
+ * @returns `elem`'s parent node, or `null` if `elem` is a root node.
+ */
+function getParent(elem) {
+    return elem.parent || null;
+}
+exports.getParent = getParent;
+/**
+ * Gets an elements siblings, including the element itself.
+ *
+ * Attempts to get the children through the element's parent first. If we don't
+ * have a parent (the element is a root node), we walk the element's `prev` &
+ * `next` to get all remaining nodes.
+ *
+ * @category Traversal
+ * @param elem Element to get the siblings of.
+ * @returns `elem`'s siblings, including `elem`.
+ */
+function getSiblings(elem) {
+    var _a, _b;
+    var parent = getParent(elem);
+    if (parent != null)
+        return getChildren(parent);
+    var siblings = [elem];
+    var prev = elem.prev, next = elem.next;
+    while (prev != null) {
+        siblings.unshift(prev);
+        (_a = prev, prev = _a.prev);
+    }
+    while (next != null) {
+        siblings.push(next);
+        (_b = next, next = _b.next);
+    }
+    return siblings;
+}
+exports.getSiblings = getSiblings;
+/**
+ * Gets an attribute from an element.
+ *
+ * @category Traversal
+ * @param elem Element to check.
+ * @param name Attribute name to retrieve.
+ * @returns The element's attribute value, or `undefined`.
+ */
+function getAttributeValue(elem, name) {
+    var _a;
+    return (_a = elem.attribs) === null || _a === void 0 ? void 0 : _a[name];
+}
+exports.getAttributeValue = getAttributeValue;
+/**
+ * Checks whether an element has an attribute.
+ *
+ * @category Traversal
+ * @param elem Element to check.
+ * @param name Attribute name to look for.
+ * @returns Returns whether `elem` has the attribute `name`.
+ */
+function hasAttrib(elem, name) {
+    return (elem.attribs != null &&
+        Object.prototype.hasOwnProperty.call(elem.attribs, name) &&
+        elem.attribs[name] != null);
+}
+exports.hasAttrib = hasAttrib;
+/**
+ * Get the tag name of an element.
+ *
+ * @category Traversal
+ * @param elem The element to get the name for.
+ * @returns The tag name of `elem`.
+ */
+function getName(elem) {
+    return elem.name;
+}
+exports.getName = getName;
+/**
+ * Returns the next element sibling of a node.
+ *
+ * @category Traversal
+ * @param elem The element to get the next sibling of.
+ * @returns `elem`'s next sibling that is a tag, or `null` if there is no next
+ * sibling.
+ */
+function nextElementSibling(elem) {
+    var _a;
+    var next = elem.next;
+    while (next !== null && !(0, domhandler_1.isTag)(next))
+        (_a = next, next = _a.next);
+    return next;
+}
+exports.nextElementSibling = nextElementSibling;
+/**
+ * Returns the previous element sibling of a node.
+ *
+ * @category Traversal
+ * @param elem The element to get the previous sibling of.
+ * @returns `elem`'s previous sibling that is a tag, or `null` if there is no
+ * previous sibling.
+ */
+function prevElementSibling(elem) {
+    var _a;
+    var prev = elem.prev;
+    while (prev !== null && !(0, domhandler_1.isTag)(prev))
+        (_a = prev, prev = _a.prev);
+    return prev;
+}
+exports.prevElementSibling = prevElementSibling;
+
+},{"domhandler":279}],289:[function(require,module,exports){
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
+    __setModuleDefault(result, mod);
+    return result;
+};
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decodeXML = exports.decodeHTMLStrict = exports.decodeHTMLAttribute = exports.decodeHTML = exports.determineBranch = exports.EntityDecoder = exports.DecodingMode = exports.BinTrieFlags = exports.fromCodePoint = exports.replaceCodePoint = exports.decodeCodePoint = exports.xmlDecodeTree = exports.htmlDecodeTree = void 0;
+var decode_data_html_js_1 = __importDefault(require("./generated/decode-data-html.js"));
+exports.htmlDecodeTree = decode_data_html_js_1.default;
+var decode_data_xml_js_1 = __importDefault(require("./generated/decode-data-xml.js"));
+exports.xmlDecodeTree = decode_data_xml_js_1.default;
+var decode_codepoint_js_1 = __importStar(require("./decode_codepoint.js"));
+exports.decodeCodePoint = decode_codepoint_js_1.default;
+var decode_codepoint_js_2 = require("./decode_codepoint.js");
+Object.defineProperty(exports, "replaceCodePoint", { enumerable: true, get: function () { return decode_codepoint_js_2.replaceCodePoint; } });
+Object.defineProperty(exports, "fromCodePoint", { enumerable: true, get: function () { return decode_codepoint_js_2.fromCodePoint; } });
+var CharCodes;
+(function (CharCodes) {
+    CharCodes[CharCodes["NUM"] = 35] = "NUM";
+    CharCodes[CharCodes["SEMI"] = 59] = "SEMI";
+    CharCodes[CharCodes["EQUALS"] = 61] = "EQUALS";
+    CharCodes[CharCodes["ZERO"] = 48] = "ZERO";
+    CharCodes[CharCodes["NINE"] = 57] = "NINE";
+    CharCodes[CharCodes["LOWER_A"] = 97] = "LOWER_A";
+    CharCodes[CharCodes["LOWER_F"] = 102] = "LOWER_F";
+    CharCodes[CharCodes["LOWER_X"] = 120] = "LOWER_X";
+    CharCodes[CharCodes["LOWER_Z"] = 122] = "LOWER_Z";
+    CharCodes[CharCodes["UPPER_A"] = 65] = "UPPER_A";
+    CharCodes[CharCodes["UPPER_F"] = 70] = "UPPER_F";
+    CharCodes[CharCodes["UPPER_Z"] = 90] = "UPPER_Z";
+})(CharCodes || (CharCodes = {}));
+/** Bit that needs to be set to convert an upper case ASCII character to lower case */
+var TO_LOWER_BIT = 32;
+var BinTrieFlags;
+(function (BinTrieFlags) {
+    BinTrieFlags[BinTrieFlags["VALUE_LENGTH"] = 49152] = "VALUE_LENGTH";
+    BinTrieFlags[BinTrieFlags["BRANCH_LENGTH"] = 16256] = "BRANCH_LENGTH";
+    BinTrieFlags[BinTrieFlags["JUMP_TABLE"] = 127] = "JUMP_TABLE";
+})(BinTrieFlags = exports.BinTrieFlags || (exports.BinTrieFlags = {}));
+function isNumber(code) {
+    return code >= CharCodes.ZERO && code <= CharCodes.NINE;
+}
+function isHexadecimalCharacter(code) {
+    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_F) ||
+        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_F));
+}
+function isAsciiAlphaNumeric(code) {
+    return ((code >= CharCodes.UPPER_A && code <= CharCodes.UPPER_Z) ||
+        (code >= CharCodes.LOWER_A && code <= CharCodes.LOWER_Z) ||
+        isNumber(code));
+}
+/**
+ * Checks if the given character is a valid end character for an entity in an attribute.
+ *
+ * Attribute values that aren't terminated properly aren't parsed, and shouldn't lead to a parser error.
+ * See the example in https://html.spec.whatwg.org/multipage/parsing.html#named-character-reference-state
+ */
+function isEntityInAttributeInvalidEnd(code) {
+    return code === CharCodes.EQUALS || isAsciiAlphaNumeric(code);
+}
+var EntityDecoderState;
+(function (EntityDecoderState) {
+    EntityDecoderState[EntityDecoderState["EntityStart"] = 0] = "EntityStart";
+    EntityDecoderState[EntityDecoderState["NumericStart"] = 1] = "NumericStart";
+    EntityDecoderState[EntityDecoderState["NumericDecimal"] = 2] = "NumericDecimal";
+    EntityDecoderState[EntityDecoderState["NumericHex"] = 3] = "NumericHex";
+    EntityDecoderState[EntityDecoderState["NamedEntity"] = 4] = "NamedEntity";
+})(EntityDecoderState || (EntityDecoderState = {}));
+var DecodingMode;
+(function (DecodingMode) {
+    /** Entities in text nodes that can end with any character. */
+    DecodingMode[DecodingMode["Legacy"] = 0] = "Legacy";
+    /** Only allow entities terminated with a semicolon. */
+    DecodingMode[DecodingMode["Strict"] = 1] = "Strict";
+    /** Entities in attributes have limitations on ending characters. */
+    DecodingMode[DecodingMode["Attribute"] = 2] = "Attribute";
+})(DecodingMode = exports.DecodingMode || (exports.DecodingMode = {}));
+/**
+ * Token decoder with support of writing partial entities.
+ */
+var EntityDecoder = /** @class */ (function () {
+    function EntityDecoder(
+    /** The tree used to decode entities. */
+    decodeTree, 
+    /**
+     * The function that is called when a codepoint is decoded.
+     *
+     * For multi-byte named entities, this will be called multiple times,
+     * with the second codepoint, and the same `consumed` value.
+     *
+     * @param codepoint The decoded codepoint.
+     * @param consumed The number of bytes consumed by the decoder.
+     */
+    emitCodePoint, 
+    /** An object that is used to produce errors. */
+    errors) {
+        this.decodeTree = decodeTree;
+        this.emitCodePoint = emitCodePoint;
+        this.errors = errors;
+        /** The current state of the decoder. */
+        this.state = EntityDecoderState.EntityStart;
+        /** Characters that were consumed while parsing an entity. */
+        this.consumed = 1;
+        /**
+         * The result of the entity.
+         *
+         * Either the result index of a numeric entity, or the codepoint of a
+         * numeric entity.
+         */
+        this.result = 0;
+        /** The current index in the decode tree. */
+        this.treeIndex = 0;
+        /** The number of characters that were consumed in excess. */
+        this.excess = 1;
+        /** The mode in which the decoder is operating. */
+        this.decodeMode = DecodingMode.Strict;
+    }
+    /** Resets the instance to make it reusable. */
+    EntityDecoder.prototype.startEntity = function (decodeMode) {
+        this.decodeMode = decodeMode;
+        this.state = EntityDecoderState.EntityStart;
+        this.result = 0;
+        this.treeIndex = 0;
+        this.excess = 1;
+        this.consumed = 1;
+    };
+    /**
+     * Write an entity to the decoder. This can be called multiple times with partial entities.
+     * If the entity is incomplete, the decoder will return -1.
+     *
+     * Mirrors the implementation of `getDecoder`, but with the ability to stop decoding if the
+     * entity is incomplete, and resume when the next string is written.
+     *
+     * @param string The string containing the entity (or a continuation of the entity).
+     * @param offset The offset at which the entity begins. Should be 0 if this is not the first call.
+     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
+     */
+    EntityDecoder.prototype.write = function (str, offset) {
+        switch (this.state) {
+            case EntityDecoderState.EntityStart: {
+                if (str.charCodeAt(offset) === CharCodes.NUM) {
+                    this.state = EntityDecoderState.NumericStart;
+                    this.consumed += 1;
+                    return this.stateNumericStart(str, offset + 1);
+                }
+                this.state = EntityDecoderState.NamedEntity;
+                return this.stateNamedEntity(str, offset);
+            }
+            case EntityDecoderState.NumericStart: {
+                return this.stateNumericStart(str, offset);
+            }
+            case EntityDecoderState.NumericDecimal: {
+                return this.stateNumericDecimal(str, offset);
+            }
+            case EntityDecoderState.NumericHex: {
+                return this.stateNumericHex(str, offset);
+            }
+            case EntityDecoderState.NamedEntity: {
+                return this.stateNamedEntity(str, offset);
+            }
+        }
+    };
+    /**
+     * Switches between the numeric decimal and hexadecimal states.
+     *
+     * Equivalent to the `Numeric character reference state` in the HTML spec.
+     *
+     * @param str The string containing the entity (or a continuation of the entity).
+     * @param offset The current offset.
+     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
+     */
+    EntityDecoder.prototype.stateNumericStart = function (str, offset) {
+        if (offset >= str.length) {
+            return -1;
+        }
+        if ((str.charCodeAt(offset) | TO_LOWER_BIT) === CharCodes.LOWER_X) {
+            this.state = EntityDecoderState.NumericHex;
+            this.consumed += 1;
+            return this.stateNumericHex(str, offset + 1);
+        }
+        this.state = EntityDecoderState.NumericDecimal;
+        return this.stateNumericDecimal(str, offset);
+    };
+    EntityDecoder.prototype.addToNumericResult = function (str, start, end, base) {
+        if (start !== end) {
+            var digitCount = end - start;
+            this.result =
+                this.result * Math.pow(base, digitCount) +
+                    parseInt(str.substr(start, digitCount), base);
+            this.consumed += digitCount;
+        }
+    };
+    /**
+     * Parses a hexadecimal numeric entity.
+     *
+     * Equivalent to the `Hexademical character reference state` in the HTML spec.
+     *
+     * @param str The string containing the entity (or a continuation of the entity).
+     * @param offset The current offset.
+     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
+     */
+    EntityDecoder.prototype.stateNumericHex = function (str, offset) {
+        var startIdx = offset;
+        while (offset < str.length) {
+            var char = str.charCodeAt(offset);
+            if (isNumber(char) || isHexadecimalCharacter(char)) {
+                offset += 1;
+            }
+            else {
+                this.addToNumericResult(str, startIdx, offset, 16);
+                return this.emitNumericEntity(char, 3);
+            }
+        }
+        this.addToNumericResult(str, startIdx, offset, 16);
+        return -1;
+    };
+    /**
+     * Parses a decimal numeric entity.
+     *
+     * Equivalent to the `Decimal character reference state` in the HTML spec.
+     *
+     * @param str The string containing the entity (or a continuation of the entity).
+     * @param offset The current offset.
+     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
+     */
+    EntityDecoder.prototype.stateNumericDecimal = function (str, offset) {
+        var startIdx = offset;
+        while (offset < str.length) {
+            var char = str.charCodeAt(offset);
+            if (isNumber(char)) {
+                offset += 1;
+            }
+            else {
+                this.addToNumericResult(str, startIdx, offset, 10);
+                return this.emitNumericEntity(char, 2);
+            }
+        }
+        this.addToNumericResult(str, startIdx, offset, 10);
+        return -1;
+    };
+    /**
+     * Validate and emit a numeric entity.
+     *
+     * Implements the logic from the `Hexademical character reference start
+     * state` and `Numeric character reference end state` in the HTML spec.
+     *
+     * @param lastCp The last code point of the entity. Used to see if the
+     *               entity was terminated with a semicolon.
+     * @param expectedLength The minimum number of characters that should be
+     *                       consumed. Used to validate that at least one digit
+     *                       was consumed.
+     * @returns The number of characters that were consumed.
+     */
+    EntityDecoder.prototype.emitNumericEntity = function (lastCp, expectedLength) {
+        var _a;
+        // Ensure we consumed at least one digit.
+        if (this.consumed <= expectedLength) {
+            (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
+            return 0;
+        }
+        // Figure out if this is a legit end of the entity
+        if (lastCp === CharCodes.SEMI) {
+            this.consumed += 1;
+        }
+        else if (this.decodeMode === DecodingMode.Strict) {
+            return 0;
+        }
+        this.emitCodePoint((0, decode_codepoint_js_1.replaceCodePoint)(this.result), this.consumed);
+        if (this.errors) {
+            if (lastCp !== CharCodes.SEMI) {
+                this.errors.missingSemicolonAfterCharacterReference();
+            }
+            this.errors.validateNumericCharacterReference(this.result);
+        }
+        return this.consumed;
+    };
+    /**
+     * Parses a named entity.
+     *
+     * Equivalent to the `Named character reference state` in the HTML spec.
+     *
+     * @param str The string containing the entity (or a continuation of the entity).
+     * @param offset The current offset.
+     * @returns The number of characters that were consumed, or -1 if the entity is incomplete.
+     */
+    EntityDecoder.prototype.stateNamedEntity = function (str, offset) {
+        var decodeTree = this.decodeTree;
+        var current = decodeTree[this.treeIndex];
+        // The mask is the number of bytes of the value, including the current byte.
+        var valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
+        for (; offset < str.length; offset++, this.excess++) {
+            var char = str.charCodeAt(offset);
+            this.treeIndex = determineBranch(decodeTree, current, this.treeIndex + Math.max(1, valueLength), char);
+            if (this.treeIndex < 0) {
+                return this.result === 0 ||
+                    // If we are parsing an attribute
+                    (this.decodeMode === DecodingMode.Attribute &&
+                        // We shouldn't have consumed any characters after the entity,
+                        (valueLength === 0 ||
+                            // And there should be no invalid characters.
+                            isEntityInAttributeInvalidEnd(char)))
+                    ? 0
+                    : this.emitNotTerminatedNamedEntity();
+            }
+            current = decodeTree[this.treeIndex];
+            valueLength = (current & BinTrieFlags.VALUE_LENGTH) >> 14;
+            // If the branch is a value, store it and continue
+            if (valueLength !== 0) {
+                // If the entity is terminated by a semicolon, we are done.
+                if (char === CharCodes.SEMI) {
+                    return this.emitNamedEntityData(this.treeIndex, valueLength, this.consumed + this.excess);
+                }
+                // If we encounter a non-terminated (legacy) entity while parsing strictly, then ignore it.
+                if (this.decodeMode !== DecodingMode.Strict) {
+                    this.result = this.treeIndex;
+                    this.consumed += this.excess;
+                    this.excess = 0;
+                }
+            }
+        }
+        return -1;
+    };
+    /**
+     * Emit a named entity that was not terminated with a semicolon.
+     *
+     * @returns The number of characters consumed.
+     */
+    EntityDecoder.prototype.emitNotTerminatedNamedEntity = function () {
+        var _a;
+        var _b = this, result = _b.result, decodeTree = _b.decodeTree;
+        var valueLength = (decodeTree[result] & BinTrieFlags.VALUE_LENGTH) >> 14;
+        this.emitNamedEntityData(result, valueLength, this.consumed);
+        (_a = this.errors) === null || _a === void 0 ? void 0 : _a.missingSemicolonAfterCharacterReference();
+        return this.consumed;
+    };
+    /**
+     * Emit a named entity.
+     *
+     * @param result The index of the entity in the decode tree.
+     * @param valueLength The number of bytes in the entity.
+     * @param consumed The number of characters consumed.
+     *
+     * @returns The number of characters consumed.
+     */
+    EntityDecoder.prototype.emitNamedEntityData = function (result, valueLength, consumed) {
+        var decodeTree = this.decodeTree;
+        this.emitCodePoint(valueLength === 1
+            ? decodeTree[result] & ~BinTrieFlags.VALUE_LENGTH
+            : decodeTree[result + 1], consumed);
+        if (valueLength === 3) {
+            // For multi-byte values, we need to emit the second byte.
+            this.emitCodePoint(decodeTree[result + 2], consumed);
+        }
+        return consumed;
+    };
+    /**
+     * Signal to the parser that the end of the input was reached.
+     *
+     * Remaining data will be emitted and relevant errors will be produced.
+     *
+     * @returns The number of characters consumed.
+     */
+    EntityDecoder.prototype.end = function () {
+        var _a;
+        switch (this.state) {
+            case EntityDecoderState.NamedEntity: {
+                // Emit a named entity if we have one.
+                return this.result !== 0 &&
+                    (this.decodeMode !== DecodingMode.Attribute ||
+                        this.result === this.treeIndex)
+                    ? this.emitNotTerminatedNamedEntity()
+                    : 0;
+            }
+            // Otherwise, emit a numeric entity if we have one.
+            case EntityDecoderState.NumericDecimal: {
+                return this.emitNumericEntity(0, 2);
+            }
+            case EntityDecoderState.NumericHex: {
+                return this.emitNumericEntity(0, 3);
+            }
+            case EntityDecoderState.NumericStart: {
+                (_a = this.errors) === null || _a === void 0 ? void 0 : _a.absenceOfDigitsInNumericCharacterReference(this.consumed);
+                return 0;
+            }
+            case EntityDecoderState.EntityStart: {
+                // Return 0 if we have no entity.
+                return 0;
+            }
+        }
+    };
+    return EntityDecoder;
+}());
+exports.EntityDecoder = EntityDecoder;
+/**
+ * Creates a function that decodes entities in a string.
+ *
+ * @param decodeTree The decode tree.
+ * @returns A function that decodes entities in a string.
+ */
+function getDecoder(decodeTree) {
+    var ret = "";
+    var decoder = new EntityDecoder(decodeTree, function (str) { return (ret += (0, decode_codepoint_js_1.fromCodePoint)(str)); });
+    return function decodeWithTrie(str, decodeMode) {
+        var lastIndex = 0;
+        var offset = 0;
+        while ((offset = str.indexOf("&", offset)) >= 0) {
+            ret += str.slice(lastIndex, offset);
+            decoder.startEntity(decodeMode);
+            var len = decoder.write(str, 
+            // Skip the "&"
+            offset + 1);
+            if (len < 0) {
+                lastIndex = offset + decoder.end();
+                break;
+            }
+            lastIndex = offset + len;
+            // If `len` is 0, skip the current `&` and continue.
+            offset = len === 0 ? lastIndex + 1 : lastIndex;
+        }
+        var result = ret + str.slice(lastIndex);
+        // Make sure we don't keep a reference to the final string.
+        ret = "";
+        return result;
+    };
+}
+/**
+ * Determines the branch of the current node that is taken given the current
+ * character. This function is used to traverse the trie.
+ *
+ * @param decodeTree The trie.
+ * @param current The current node.
+ * @param nodeIdx The index right after the current node and its value.
+ * @param char The current character.
+ * @returns The index of the next node, or -1 if no branch is taken.
+ */
+function determineBranch(decodeTree, current, nodeIdx, char) {
+    var branchCount = (current & BinTrieFlags.BRANCH_LENGTH) >> 7;
+    var jumpOffset = current & BinTrieFlags.JUMP_TABLE;
+    // Case 1: Single branch encoded in jump offset
+    if (branchCount === 0) {
+        return jumpOffset !== 0 && char === jumpOffset ? nodeIdx : -1;
+    }
+    // Case 2: Multiple branches encoded in jump table
+    if (jumpOffset) {
+        var value = char - jumpOffset;
+        return value < 0 || value >= branchCount
+            ? -1
+            : decodeTree[nodeIdx + value] - 1;
+    }
+    // Case 3: Multiple branches encoded in dictionary
+    // Binary search for the character.
+    var lo = nodeIdx;
+    var hi = lo + branchCount - 1;
+    while (lo <= hi) {
+        var mid = (lo + hi) >>> 1;
+        var midVal = decodeTree[mid];
+        if (midVal < char) {
+            lo = mid + 1;
+        }
+        else if (midVal > char) {
+            hi = mid - 1;
+        }
+        else {
+            return decodeTree[mid + branchCount];
+        }
+    }
+    return -1;
+}
+exports.determineBranch = determineBranch;
+var htmlDecoder = getDecoder(decode_data_html_js_1.default);
+var xmlDecoder = getDecoder(decode_data_xml_js_1.default);
+/**
+ * Decodes an HTML string.
+ *
+ * @param str The string to decode.
+ * @param mode The decoding mode.
+ * @returns The decoded string.
+ */
+function decodeHTML(str, mode) {
+    if (mode === void 0) { mode = DecodingMode.Legacy; }
+    return htmlDecoder(str, mode);
+}
+exports.decodeHTML = decodeHTML;
+/**
+ * Decodes an HTML string in an attribute.
+ *
+ * @param str The string to decode.
+ * @returns The decoded string.
+ */
+function decodeHTMLAttribute(str) {
+    return htmlDecoder(str, DecodingMode.Attribute);
+}
+exports.decodeHTMLAttribute = decodeHTMLAttribute;
+/**
+ * Decodes an HTML string, requiring all entities to be terminated by a semicolon.
+ *
+ * @param str The string to decode.
+ * @returns The decoded string.
+ */
+function decodeHTMLStrict(str) {
+    return htmlDecoder(str, DecodingMode.Strict);
+}
+exports.decodeHTMLStrict = decodeHTMLStrict;
+/**
+ * Decodes an XML string, requiring all entities to be terminated by a semicolon.
+ *
+ * @param str The string to decode.
+ * @returns The decoded string.
+ */
+function decodeXML(str) {
+    return xmlDecoder(str, DecodingMode.Strict);
+}
+exports.decodeXML = decodeXML;
+
+},{"./decode_codepoint.js":290,"./generated/decode-data-html.js":293,"./generated/decode-data-xml.js":294}],290:[function(require,module,exports){
+"use strict";
+// Adapted from https://github.com/mathiasbynens/he/blob/36afe179392226cf1b6ccdb16ebbb7a5a844d93a/src/he.js#L106-L134
+var _a;
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.replaceCodePoint = exports.fromCodePoint = void 0;
+var decodeMap = new Map([
+    [0, 65533],
+    // C1 Unicode control character reference replacements
+    [128, 8364],
+    [130, 8218],
+    [131, 402],
+    [132, 8222],
+    [133, 8230],
+    [134, 8224],
+    [135, 8225],
+    [136, 710],
+    [137, 8240],
+    [138, 352],
+    [139, 8249],
+    [140, 338],
+    [142, 381],
+    [145, 8216],
+    [146, 8217],
+    [147, 8220],
+    [148, 8221],
+    [149, 8226],
+    [150, 8211],
+    [151, 8212],
+    [152, 732],
+    [153, 8482],
+    [154, 353],
+    [155, 8250],
+    [156, 339],
+    [158, 382],
+    [159, 376],
+]);
+/**
+ * Polyfill for `String.fromCodePoint`. It is used to create a string from a Unicode code point.
+ */
+exports.fromCodePoint = 
+// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition, node/no-unsupported-features/es-builtins
+(_a = String.fromCodePoint) !== null && _a !== void 0 ? _a : function (codePoint) {
+    var output = "";
+    if (codePoint > 0xffff) {
+        codePoint -= 0x10000;
+        output += String.fromCharCode(((codePoint >>> 10) & 0x3ff) | 0xd800);
+        codePoint = 0xdc00 | (codePoint & 0x3ff);
+    }
+    output += String.fromCharCode(codePoint);
+    return output;
+};
+/**
+ * Replace the given code point with a replacement character if it is a
+ * surrogate or is outside the valid range. Otherwise return the code
+ * point unchanged.
+ */
+function replaceCodePoint(codePoint) {
+    var _a;
+    if ((codePoint >= 0xd800 && codePoint <= 0xdfff) || codePoint > 0x10ffff) {
+        return 0xfffd;
+    }
+    return (_a = decodeMap.get(codePoint)) !== null && _a !== void 0 ? _a : codePoint;
+}
+exports.replaceCodePoint = replaceCodePoint;
+/**
+ * Replace the code point if relevant, then convert it to a string.
+ *
+ * @deprecated Use `fromCodePoint(replaceCodePoint(codePoint))` instead.
+ * @param codePoint The code point to decode.
+ * @returns The decoded code point.
+ */
+function decodeCodePoint(codePoint) {
+    return (0, exports.fromCodePoint)(replaceCodePoint(codePoint));
+}
+exports.default = decodeCodePoint;
+
+},{}],291:[function(require,module,exports){
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.encodeNonAsciiHTML = exports.encodeHTML = void 0;
+var encode_html_js_1 = __importDefault(require("./generated/encode-html.js"));
+var escape_js_1 = require("./escape.js");
+var htmlReplacer = /[\t\n!-,./:-@[-`\f{-}$\x80-\uFFFF]/g;
+/**
+ * Encodes all characters in the input using HTML entities. This includes
+ * characters that are valid ASCII characters in HTML documents, such as `#`.
+ *
+ * To get a more compact output, consider using the `encodeNonAsciiHTML`
+ * function, which will only encode characters that are not valid in HTML
+ * documents, as well as non-ASCII characters.
+ *
+ * If a character has no equivalent entity, a numeric hexadecimal reference
+ * (eg. `&#xfc;`) will be used.
+ */
+function encodeHTML(data) {
+    return encodeHTMLTrieRe(htmlReplacer, data);
+}
+exports.encodeHTML = encodeHTML;
+/**
+ * Encodes all non-ASCII characters, as well as characters not valid in HTML
+ * documents using HTML entities. This function will not encode characters that
+ * are valid in HTML documents, such as `#`.
+ *
+ * If a character has no equivalent entity, a numeric hexadecimal reference
+ * (eg. `&#xfc;`) will be used.
+ */
+function encodeNonAsciiHTML(data) {
+    return encodeHTMLTrieRe(escape_js_1.xmlReplacer, data);
+}
+exports.encodeNonAsciiHTML = encodeNonAsciiHTML;
+function encodeHTMLTrieRe(regExp, str) {
+    var ret = "";
+    var lastIdx = 0;
+    var match;
+    while ((match = regExp.exec(str)) !== null) {
+        var i = match.index;
+        ret += str.substring(lastIdx, i);
+        var char = str.charCodeAt(i);
+        var next = encode_html_js_1.default.get(char);
+        if (typeof next === "object") {
+            // We are in a branch. Try to match the next char.
+            if (i + 1 < str.length) {
+                var nextChar = str.charCodeAt(i + 1);
+                var value = typeof next.n === "number"
+                    ? next.n === nextChar
+                        ? next.o
+                        : undefined
+                    : next.n.get(nextChar);
+                if (value !== undefined) {
+                    ret += value;
+                    lastIdx = regExp.lastIndex += 1;
+                    continue;
+                }
+            }
+            next = next.v;
+        }
+        // We might have a tree node without a value; skip and use a numeric entity.
+        if (next !== undefined) {
+            ret += next;
+            lastIdx = i + 1;
+        }
+        else {
+            var cp = (0, escape_js_1.getCodePoint)(str, i);
+            ret += "&#x".concat(cp.toString(16), ";");
+            // Increase by 1 if we have a surrogate pair
+            lastIdx = regExp.lastIndex += Number(cp !== char);
+        }
+    }
+    return ret + str.substr(lastIdx);
+}
+
+},{"./escape.js":292,"./generated/encode-html.js":295}],292:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.escapeText = exports.escapeAttribute = exports.escapeUTF8 = exports.escape = exports.encodeXML = exports.getCodePoint = exports.xmlReplacer = void 0;
+exports.xmlReplacer = /["&'<>$\x80-\uFFFF]/g;
+var xmlCodeMap = new Map([
+    [34, "&quot;"],
+    [38, "&amp;"],
+    [39, "&apos;"],
+    [60, "&lt;"],
+    [62, "&gt;"],
+]);
+// For compatibility with node < 4, we wrap `codePointAt`
+exports.getCodePoint = 
+// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
+String.prototype.codePointAt != null
+    ? function (str, index) { return str.codePointAt(index); }
+    : // http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
+        function (c, index) {
+            return (c.charCodeAt(index) & 0xfc00) === 0xd800
+                ? (c.charCodeAt(index) - 0xd800) * 0x400 +
+                    c.charCodeAt(index + 1) -
+                    0xdc00 +
+                    0x10000
+                : c.charCodeAt(index);
+        };
+/**
+ * Encodes all non-ASCII characters, as well as characters not valid in XML
+ * documents using XML entities.
+ *
+ * If a character has no equivalent entity, a
+ * numeric hexadecimal reference (eg. `&#xfc;`) will be used.
+ */
+function encodeXML(str) {
+    var ret = "";
+    var lastIdx = 0;
+    var match;
+    while ((match = exports.xmlReplacer.exec(str)) !== null) {
+        var i = match.index;
+        var char = str.charCodeAt(i);
+        var next = xmlCodeMap.get(char);
+        if (next !== undefined) {
+            ret += str.substring(lastIdx, i) + next;
+            lastIdx = i + 1;
+        }
+        else {
+            ret += "".concat(str.substring(lastIdx, i), "&#x").concat((0, exports.getCodePoint)(str, i).toString(16), ";");
+            // Increase by 1 if we have a surrogate pair
+            lastIdx = exports.xmlReplacer.lastIndex += Number((char & 0xfc00) === 0xd800);
+        }
+    }
+    return ret + str.substr(lastIdx);
+}
+exports.encodeXML = encodeXML;
+/**
+ * Encodes all non-ASCII characters, as well as characters not valid in XML
+ * documents using numeric hexadecimal reference (eg. `&#xfc;`).
+ *
+ * Have a look at `escapeUTF8` if you want a more concise output at the expense
+ * of reduced transportability.
+ *
+ * @param data String to escape.
+ */
+exports.escape = encodeXML;
+/**
+ * Creates a function that escapes all characters matched by the given regular
+ * expression using the given map of characters to escape to their entities.
+ *
+ * @param regex Regular expression to match characters to escape.
+ * @param map Map of characters to escape to their entities.
+ *
+ * @returns Function that escapes all characters matched by the given regular
+ * expression using the given map of characters to escape to their entities.
+ */
+function getEscaper(regex, map) {
+    return function escape(data) {
+        var match;
+        var lastIdx = 0;
+        var result = "";
+        while ((match = regex.exec(data))) {
+            if (lastIdx !== match.index) {
+                result += data.substring(lastIdx, match.index);
+            }
+            // We know that this character will be in the map.
+            result += map.get(match[0].charCodeAt(0));
+            // Every match will be of length 1
+            lastIdx = match.index + 1;
+        }
+        return result + data.substring(lastIdx);
+    };
+}
+/**
+ * Encodes all characters not valid in XML documents using XML entities.
+ *
+ * Note that the output will be character-set dependent.
+ *
+ * @param data String to escape.
+ */
+exports.escapeUTF8 = getEscaper(/[&<>'"]/g, xmlCodeMap);
+/**
+ * Encodes all characters that have to be escaped in HTML attributes,
+ * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
+ *
+ * @param data String to escape.
+ */
+exports.escapeAttribute = getEscaper(/["&\u00A0]/g, new Map([
+    [34, "&quot;"],
+    [38, "&amp;"],
+    [160, "&nbsp;"],
+]));
+/**
+ * Encodes all characters that have to be escaped in HTML text,
+ * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
+ *
+ * @param data String to escape.
+ */
+exports.escapeText = getEscaper(/[&<>\u00A0]/g, new Map([
+    [38, "&amp;"],
+    [60, "&lt;"],
+    [62, "&gt;"],
+    [160, "&nbsp;"],
+]));
+
+},{}],293:[function(require,module,exports){
+"use strict";
+// Generated using scripts/write-decode-map.ts
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.default = new Uint16Array(
+// prettier-ignore
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+    .split("")
+    .map(function (c) { return c.charCodeAt(0); }));
+
+},{}],294:[function(require,module,exports){
+"use strict";
+// Generated using scripts/write-decode-map.ts
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.default = new Uint16Array(
+// prettier-ignore
+"\u0200aglq\t\x15\x18\x1b\u026d\x0f\0\0\x12p;\u4026os;\u4027t;\u403et;\u403cuot;\u4022"
+    .split("")
+    .map(function (c) { return c.charCodeAt(0); }));
+
+},{}],295:[function(require,module,exports){
+"use strict";
+// Generated using scripts/write-encode-map.ts
+Object.defineProperty(exports, "__esModule", { value: true });
+function restoreDiff(arr) {
+    for (var i = 1; i < arr.length; i++) {
+        arr[i][0] += arr[i - 1][0] + 1;
+    }
+    return arr;
+}
+// prettier-ignore
+exports.default = new Map(/* #__PURE__ */ restoreDiff([[9, "&Tab;"], [0, "&NewLine;"], [22, "&excl;"], [0, "&quot;"], [0, "&num;"], [0, "&dollar;"], [0, "&percnt;"], [0, "&amp;"], [0, "&apos;"], [0, "&lpar;"], [0, "&rpar;"], [0, "&ast;"], [0, "&plus;"], [0, "&comma;"], [1, "&period;"], [0, "&sol;"], [10, "&colon;"], [0, "&semi;"], [0, { v: "&lt;", n: 8402, o: "&nvlt;" }], [0, { v: "&equals;", n: 8421, o: "&bne;" }], [0, { v: "&gt;", n: 8402, o: "&nvgt;" }], [0, "&quest;"], [0, "&commat;"], [26, "&lbrack;"], [0, "&bsol;"], [0, "&rbrack;"], [0, "&Hat;"], [0, "&lowbar;"], [0, "&DiacriticalGrave;"], [5, { n: 106, o: "&fjlig;" }], [20, "&lbrace;"], [0, "&verbar;"], [0, "&rbrace;"], [34, "&nbsp;"], [0, "&iexcl;"], [0, "&cent;"], [0, "&pound;"], [0, "&curren;"], [0, "&yen;"], [0, "&brvbar;"], [0, "&sect;"], [0, "&die;"], [0, "&copy;"], [0, "&ordf;"], [0, "&laquo;"], [0, "&not;"], [0, "&shy;"], [0, "&circledR;"], [0, "&macr;"], [0, "&deg;"], [0, "&PlusMinus;"], [0, "&sup2;"], [0, "&sup3;"], 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+
+},{}],296:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.decodeXMLStrict = exports.decodeHTML5Strict = exports.decodeHTML4Strict = exports.decodeHTML5 = exports.decodeHTML4 = exports.decodeHTMLAttribute = exports.decodeHTMLStrict = exports.decodeHTML = exports.decodeXML = exports.DecodingMode = exports.EntityDecoder = exports.encodeHTML5 = exports.encodeHTML4 = exports.encodeNonAsciiHTML = exports.encodeHTML = exports.escapeText = exports.escapeAttribute = exports.escapeUTF8 = exports.escape = exports.encodeXML = exports.encode = exports.decodeStrict = exports.decode = exports.EncodingMode = exports.EntityLevel = void 0;
+var decode_js_1 = require("./decode.js");
+var encode_js_1 = require("./encode.js");
+var escape_js_1 = require("./escape.js");
+/** The level of entities to support. */
+var EntityLevel;
+(function (EntityLevel) {
+    /** Support only XML entities. */
+    EntityLevel[EntityLevel["XML"] = 0] = "XML";
+    /** Support HTML entities, which are a superset of XML entities. */
+    EntityLevel[EntityLevel["HTML"] = 1] = "HTML";
+})(EntityLevel = exports.EntityLevel || (exports.EntityLevel = {}));
+var EncodingMode;
+(function (EncodingMode) {
+    /**
+     * The output is UTF-8 encoded. Only characters that need escaping within
+     * XML will be escaped.
+     */
+    EncodingMode[EncodingMode["UTF8"] = 0] = "UTF8";
+    /**
+     * The output consists only of ASCII characters. Characters that need
+     * escaping within HTML, and characters that aren't ASCII characters will
+     * be escaped.
+     */
+    EncodingMode[EncodingMode["ASCII"] = 1] = "ASCII";
+    /**
+     * Encode all characters that have an equivalent entity, as well as all
+     * characters that are not ASCII characters.
+     */
+    EncodingMode[EncodingMode["Extensive"] = 2] = "Extensive";
+    /**
+     * Encode all characters that have to be escaped in HTML attributes,
+     * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
+     */
+    EncodingMode[EncodingMode["Attribute"] = 3] = "Attribute";
+    /**
+     * Encode all characters that have to be escaped in HTML text,
+     * following {@link https://html.spec.whatwg.org/multipage/parsing.html#escapingString}.
+     */
+    EncodingMode[EncodingMode["Text"] = 4] = "Text";
+})(EncodingMode = exports.EncodingMode || (exports.EncodingMode = {}));
+/**
+ * Decodes a string with entities.
+ *
+ * @param data String to decode.
+ * @param options Decoding options.
+ */
+function decode(data, options) {
+    if (options === void 0) { options = EntityLevel.XML; }
+    var level = typeof options === "number" ? options : options.level;
+    if (level === EntityLevel.HTML) {
+        var mode = typeof options === "object" ? options.mode : undefined;
+        return (0, decode_js_1.decodeHTML)(data, mode);
+    }
+    return (0, decode_js_1.decodeXML)(data);
+}
+exports.decode = decode;
+/**
+ * Decodes a string with entities. Does not allow missing trailing semicolons for entities.
+ *
+ * @param data String to decode.
+ * @param options Decoding options.
+ * @deprecated Use `decode` with the `mode` set to `Strict`.
+ */
+function decodeStrict(data, options) {
+    var _a;
+    if (options === void 0) { options = EntityLevel.XML; }
+    var opts = typeof options === "number" ? { level: options } : options;
+    (_a = opts.mode) !== null && _a !== void 0 ? _a : (opts.mode = decode_js_1.DecodingMode.Strict);
+    return decode(data, opts);
+}
+exports.decodeStrict = decodeStrict;
+/**
+ * Encodes a string with entities.
+ *
+ * @param data String to encode.
+ * @param options Encoding options.
+ */
+function encode(data, options) {
+    if (options === void 0) { options = EntityLevel.XML; }
+    var opts = typeof options === "number" ? { level: options } : options;
+    // Mode `UTF8` just escapes XML entities
+    if (opts.mode === EncodingMode.UTF8)
+        return (0, escape_js_1.escapeUTF8)(data);
+    if (opts.mode === EncodingMode.Attribute)
+        return (0, escape_js_1.escapeAttribute)(data);
+    if (opts.mode === EncodingMode.Text)
+        return (0, escape_js_1.escapeText)(data);
+    if (opts.level === EntityLevel.HTML) {
+        if (opts.mode === EncodingMode.ASCII) {
+            return (0, encode_js_1.encodeNonAsciiHTML)(data);
+        }
+        return (0, encode_js_1.encodeHTML)(data);
+    }
+    // ASCII and Extensive are equivalent
+    return (0, escape_js_1.encodeXML)(data);
+}
+exports.encode = encode;
+var escape_js_2 = require("./escape.js");
+Object.defineProperty(exports, "encodeXML", { enumerable: true, get: function () { return escape_js_2.encodeXML; } });
+Object.defineProperty(exports, "escape", { enumerable: true, get: function () { return escape_js_2.escape; } });
+Object.defineProperty(exports, "escapeUTF8", { enumerable: true, get: function () { return escape_js_2.escapeUTF8; } });
+Object.defineProperty(exports, "escapeAttribute", { enumerable: true, get: function () { return escape_js_2.escapeAttribute; } });
+Object.defineProperty(exports, "escapeText", { enumerable: true, get: function () { return escape_js_2.escapeText; } });
+var encode_js_2 = require("./encode.js");
+Object.defineProperty(exports, "encodeHTML", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
+Object.defineProperty(exports, "encodeNonAsciiHTML", { enumerable: true, get: function () { return encode_js_2.encodeNonAsciiHTML; } });
+// Legacy aliases (deprecated)
+Object.defineProperty(exports, "encodeHTML4", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
+Object.defineProperty(exports, "encodeHTML5", { enumerable: true, get: function () { return encode_js_2.encodeHTML; } });
+var decode_js_2 = require("./decode.js");
+Object.defineProperty(exports, "EntityDecoder", { enumerable: true, get: function () { return decode_js_2.EntityDecoder; } });
+Object.defineProperty(exports, "DecodingMode", { enumerable: true, get: function () { return decode_js_2.DecodingMode; } });
+Object.defineProperty(exports, "decodeXML", { enumerable: true, get: function () { return decode_js_2.decodeXML; } });
+Object.defineProperty(exports, "decodeHTML", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
+Object.defineProperty(exports, "decodeHTMLStrict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
+Object.defineProperty(exports, "decodeHTMLAttribute", { enumerable: true, get: function () { return decode_js_2.decodeHTMLAttribute; } });
+// Legacy aliases (deprecated)
+Object.defineProperty(exports, "decodeHTML4", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
+Object.defineProperty(exports, "decodeHTML5", { enumerable: true, get: function () { return decode_js_2.decodeHTML; } });
+Object.defineProperty(exports, "decodeHTML4Strict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
+Object.defineProperty(exports, "decodeHTML5Strict", { enumerable: true, get: function () { return decode_js_2.decodeHTMLStrict; } });
+Object.defineProperty(exports, "decodeXMLStrict", { enumerable: true, get: function () { return decode_js_2.decodeXML; } });
+
+},{"./decode.js":289,"./encode.js":291,"./escape.js":292}],297:[function(require,module,exports){
+/*! ieee754. BSD-3-Clause License. Feross Aboukhadijeh <https://feross.org/opensource> */
+exports.read = function (buffer, offset, isLE, mLen, nBytes) {
+  var e, m
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var nBits = -7
+  var i = isLE ? (nBytes - 1) : 0
+  var d = isLE ? -1 : 1
+  var s = buffer[offset + i]
+
+  i += d
+
+  e = s & ((1 << (-nBits)) - 1)
+  s >>= (-nBits)
+  nBits += eLen
+  for (; nBits > 0; e = (e * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  m = e & ((1 << (-nBits)) - 1)
+  e >>= (-nBits)
+  nBits += mLen
+  for (; nBits > 0; m = (m * 256) + buffer[offset + i], i += d, nBits -= 8) {}
+
+  if (e === 0) {
+    e = 1 - eBias
+  } else if (e === eMax) {
+    return m ? NaN : ((s ? -1 : 1) * Infinity)
+  } else {
+    m = m + Math.pow(2, mLen)
+    e = e - eBias
+  }
+  return (s ? -1 : 1) * m * Math.pow(2, e - mLen)
+}
+
+exports.write = function (buffer, value, offset, isLE, mLen, nBytes) {
+  var e, m, c
+  var eLen = (nBytes * 8) - mLen - 1
+  var eMax = (1 << eLen) - 1
+  var eBias = eMax >> 1
+  var rt = (mLen === 23 ? Math.pow(2, -24) - Math.pow(2, -77) : 0)
+  var i = isLE ? 0 : (nBytes - 1)
+  var d = isLE ? 1 : -1
+  var s = value < 0 || (value === 0 && 1 / value < 0) ? 1 : 0
+
+  value = Math.abs(value)
+
+  if (isNaN(value) || value === Infinity) {
+    m = isNaN(value) ? 1 : 0
+    e = eMax
+  } else {
+    e = Math.floor(Math.log(value) / Math.LN2)
+    if (value * (c = Math.pow(2, -e)) < 1) {
+      e--
+      c *= 2
+    }
+    if (e + eBias >= 1) {
+      value += rt / c
+    } else {
+      value += rt * Math.pow(2, 1 - eBias)
+    }
+    if (value * c >= 2) {
+      e++
+      c /= 2
+    }
+
+    if (e + eBias >= eMax) {
+      m = 0
+      e = eMax
+    } else if (e + eBias >= 1) {
+      m = ((value * c) - 1) * Math.pow(2, mLen)
+      e = e + eBias
+    } else {
+      m = value * Math.pow(2, eBias - 1) * Math.pow(2, mLen)
+      e = 0
+    }
+  }
+
+  for (; mLen >= 8; buffer[offset + i] = m & 0xff, i += d, m /= 256, mLen -= 8) {}
+
+  e = (e << mLen) | m
+  eLen += mLen
+  for (; eLen > 0; buffer[offset + i] = e & 0xff, i += d, e /= 256, eLen -= 8) {}
+
+  buffer[offset + i - d] |= s * 128
+}
+
+},{}],298:[function(require,module,exports){
+var root = require('./_root');
+
+/** Built-in value references. */
+var Symbol = root.Symbol;
+
+module.exports = Symbol;
+
+},{"./_root":305}],299:[function(require,module,exports){
+var Symbol = require('./_Symbol'),
+    getRawTag = require('./_getRawTag'),
+    objectToString = require('./_objectToString');
+
+/** `Object#toString` result references. */
+var nullTag = '[object Null]',
+    undefinedTag = '[object Undefined]';
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * The base implementation of `getTag` without fallbacks for buggy environments.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the `toStringTag`.
+ */
+function baseGetTag(value) {
+  if (value == null) {
+    return value === undefined ? undefinedTag : nullTag;
+  }
+  return (symToStringTag && symToStringTag in Object(value))
+    ? getRawTag(value)
+    : objectToString(value);
+}
+
+module.exports = baseGetTag;
+
+},{"./_Symbol":298,"./_getRawTag":302,"./_objectToString":303}],300:[function(require,module,exports){
+(function (global){(function (){
+/** Detect free variable `global` from Node.js. */
+var freeGlobal = typeof global == 'object' && global && global.Object === Object && global;
+
+module.exports = freeGlobal;
+
+}).call(this)}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
+},{}],301:[function(require,module,exports){
+var overArg = require('./_overArg');
+
+/** Built-in value references. */
+var getPrototype = overArg(Object.getPrototypeOf, Object);
+
+module.exports = getPrototype;
+
+},{"./_overArg":304}],302:[function(require,module,exports){
+var Symbol = require('./_Symbol');
+
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/** Built-in value references. */
+var symToStringTag = Symbol ? Symbol.toStringTag : undefined;
+
+/**
+ * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.
+ *
+ * @private
+ * @param {*} value The value to query.
+ * @returns {string} Returns the raw `toStringTag`.
+ */
+function getRawTag(value) {
+  var isOwn = hasOwnProperty.call(value, symToStringTag),
+      tag = value[symToStringTag];
+
+  try {
+    value[symToStringTag] = undefined;
+    var unmasked = true;
+  } catch (e) {}
+
+  var result = nativeObjectToString.call(value);
+  if (unmasked) {
+    if (isOwn) {
+      value[symToStringTag] = tag;
+    } else {
+      delete value[symToStringTag];
+    }
+  }
+  return result;
+}
+
+module.exports = getRawTag;
+
+},{"./_Symbol":298}],303:[function(require,module,exports){
+/** Used for built-in method references. */
+var objectProto = Object.prototype;
+
+/**
+ * Used to resolve the
+ * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)
+ * of values.
+ */
+var nativeObjectToString = objectProto.toString;
+
+/**
+ * Converts `value` to a string using `Object.prototype.toString`.
+ *
+ * @private
+ * @param {*} value The value to convert.
+ * @returns {string} Returns the converted string.
+ */
+function objectToString(value) {
+  return nativeObjectToString.call(value);
+}
+
+module.exports = objectToString;
+
+},{}],304:[function(require,module,exports){
+/**
+ * Creates a unary function that invokes `func` with its argument transformed.
+ *
+ * @private
+ * @param {Function} func The function to wrap.
+ * @param {Function} transform The argument transform.
+ * @returns {Function} Returns the new function.
+ */
+function overArg(func, transform) {
+  return function(arg) {
+    return func(transform(arg));
+  };
+}
+
+module.exports = overArg;
+
+},{}],305:[function(require,module,exports){
+var freeGlobal = require('./_freeGlobal');
+
+/** Detect free variable `self`. */
+var freeSelf = typeof self == 'object' && self && self.Object === Object && self;
+
+/** Used as a reference to the global object. */
+var root = freeGlobal || freeSelf || Function('return this')();
+
+module.exports = root;
+
+},{"./_freeGlobal":300}],306:[function(require,module,exports){
+/**
+ * Checks if `value` is classified as an `Array` object.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.1.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is an array, else `false`.
+ * @example
+ *
+ * _.isArray([1, 2, 3]);
+ * // => true
+ *
+ * _.isArray(document.body.children);
+ * // => false
+ *
+ * _.isArray('abc');
+ * // => false
+ *
+ * _.isArray(_.noop);
+ * // => false
+ */
+var isArray = Array.isArray;
+
+module.exports = isArray;
+
+},{}],307:[function(require,module,exports){
+/**
+ * Checks if `value` is object-like. A value is object-like if it's not `null`
+ * and has a `typeof` result of "object".
+ *
+ * @static
+ * @memberOf _
+ * @since 4.0.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is object-like, else `false`.
+ * @example
+ *
+ * _.isObjectLike({});
+ * // => true
+ *
+ * _.isObjectLike([1, 2, 3]);
+ * // => true
+ *
+ * _.isObjectLike(_.noop);
+ * // => false
+ *
+ * _.isObjectLike(null);
+ * // => false
+ */
+function isObjectLike(value) {
+  return value != null && typeof value == 'object';
+}
+
+module.exports = isObjectLike;
+
+},{}],308:[function(require,module,exports){
+var baseGetTag = require('./_baseGetTag'),
+    getPrototype = require('./_getPrototype'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var objectTag = '[object Object]';
+
+/** Used for built-in method references. */
+var funcProto = Function.prototype,
+    objectProto = Object.prototype;
+
+/** Used to resolve the decompiled source of functions. */
+var funcToString = funcProto.toString;
+
+/** Used to check objects for own properties. */
+var hasOwnProperty = objectProto.hasOwnProperty;
+
+/** Used to infer the `Object` constructor. */
+var objectCtorString = funcToString.call(Object);
+
+/**
+ * Checks if `value` is a plain object, that is, an object created by the
+ * `Object` constructor or one with a `[[Prototype]]` of `null`.
+ *
+ * @static
+ * @memberOf _
+ * @since 0.8.0
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.
+ * @example
+ *
+ * function Foo() {
+ *   this.a = 1;
+ * }
+ *
+ * _.isPlainObject(new Foo);
+ * // => false
+ *
+ * _.isPlainObject([1, 2, 3]);
+ * // => false
+ *
+ * _.isPlainObject({ 'x': 0, 'y': 0 });
+ * // => true
+ *
+ * _.isPlainObject(Object.create(null));
+ * // => true
+ */
+function isPlainObject(value) {
+  if (!isObjectLike(value) || baseGetTag(value) != objectTag) {
+    return false;
+  }
+  var proto = getPrototype(value);
+  if (proto === null) {
+    return true;
+  }
+  var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;
+  return typeof Ctor == 'function' && Ctor instanceof Ctor &&
+    funcToString.call(Ctor) == objectCtorString;
+}
+
+module.exports = isPlainObject;
+
+},{"./_baseGetTag":299,"./_getPrototype":301,"./isObjectLike":307}],309:[function(require,module,exports){
+var baseGetTag = require('./_baseGetTag'),
+    isArray = require('./isArray'),
+    isObjectLike = require('./isObjectLike');
+
+/** `Object#toString` result references. */
+var stringTag = '[object String]';
+
+/**
+ * Checks if `value` is classified as a `String` primitive or object.
+ *
+ * @static
+ * @since 0.1.0
+ * @memberOf _
+ * @category Lang
+ * @param {*} value The value to check.
+ * @returns {boolean} Returns `true` if `value` is a string, else `false`.
+ * @example
+ *
+ * _.isString('abc');
+ * // => true
+ *
+ * _.isString(1);
+ * // => false
+ */
+function isString(value) {
+  return typeof value == 'string' ||
+    (!isArray(value) && isObjectLike(value) && baseGetTag(value) == stringTag);
+}
+
+module.exports = isString;
+
+},{"./_baseGetTag":299,"./isArray":306,"./isObjectLike":307}],310:[function(require,module,exports){
+"use strict";
+var __importDefault = (this && this.__importDefault) || function (mod) {
+    return (mod && mod.__esModule) ? mod : { "default": mod };
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.generate = exports.compile = void 0;
+var boolbase_1 = __importDefault(require("boolbase"));
+/**
+ * Returns a function that checks if an elements index matches the given rule
+ * highly optimized to return the fastest solution.
+ *
+ * @param parsed A tuple [a, b], as returned by `parse`.
+ * @returns A highly optimized function that returns whether an index matches the nth-check.
+ * @example
+ *
+ * ```js
+ * const check = nthCheck.compile([2, 3]);
+ *
+ * check(0); // `false`
+ * check(1); // `false`
+ * check(2); // `true`
+ * check(3); // `false`
+ * check(4); // `true`
+ * check(5); // `false`
+ * check(6); // `true`
+ * ```
+ */
+function compile(parsed) {
+    var a = parsed[0];
+    // Subtract 1 from `b`, to convert from one- to zero-indexed.
+    var b = parsed[1] - 1;
+    /*
+     * When `b <= 0`, `a * n` won't be lead to any matches for `a < 0`.
+     * Besides, the specification states that no elements are
+     * matched when `a` and `b` are 0.
+     *
+     * `b < 0` here as we subtracted 1 from `b` above.
+     */
+    if (b < 0 && a <= 0)
+        return boolbase_1.default.falseFunc;
+    // When `a` is in the range -1..1, it matches any element (so only `b` is checked).
+    if (a === -1)
+        return function (index) { return index <= b; };
+    if (a === 0)
+        return function (index) { return index === b; };
+    // When `b <= 0` and `a === 1`, they match any element.
+    if (a === 1)
+        return b < 0 ? boolbase_1.default.trueFunc : function (index) { return index >= b; };
+    /*
+     * Otherwise, modulo can be used to check if there is a match.
+     *
+     * Modulo doesn't care about the sign, so let's use `a`s absolute value.
+     */
+    var absA = Math.abs(a);
+    // Get `b mod a`, + a if this is negative.
+    var bMod = ((b % absA) + absA) % absA;
+    return a > 1
+        ? function (index) { return index >= b && index % absA === bMod; }
+        : function (index) { return index <= b && index % absA === bMod; };
+}
+exports.compile = compile;
+/**
+ * Returns a function that produces a monotonously increasing sequence of indices.
+ *
+ * If the sequence has an end, the returned function will return `null` after
+ * the last index in the sequence.
+ *
+ * @param parsed A tuple [a, b], as returned by `parse`.
+ * @returns A function that produces a sequence of indices.
+ * @example <caption>Always increasing (2n+3)</caption>
+ *
+ * ```js
+ * const gen = nthCheck.generate([2, 3])
+ *
+ * gen() // `1`
+ * gen() // `3`
+ * gen() // `5`
+ * gen() // `8`
+ * gen() // `11`
+ * ```
+ *
+ * @example <caption>With end value (-2n+10)</caption>
+ *
+ * ```js
+ *
+ * const gen = nthCheck.generate([-2, 5]);
+ *
+ * gen() // 0
+ * gen() // 2
+ * gen() // 4
+ * gen() // null
+ * ```
+ */
+function generate(parsed) {
+    var a = parsed[0];
+    // Subtract 1 from `b`, to convert from one- to zero-indexed.
+    var b = parsed[1] - 1;
+    var n = 0;
+    // Make sure to always return an increasing sequence
+    if (a < 0) {
+        var aPos_1 = -a;
+        // Get `b mod a`
+        var minValue_1 = ((b % aPos_1) + aPos_1) % aPos_1;
+        return function () {
+            var val = minValue_1 + aPos_1 * n++;
+            return val > b ? null : val;
+        };
+    }
+    if (a === 0)
+        return b < 0
+            ? // There are no result — always return `null`
+                function () { return null; }
+            : // Return `b` exactly once
+                function () { return (n++ === 0 ? b : null); };
+    if (b < 0) {
+        b += a * Math.ceil(-b / a);
+    }
+    return function () { return a * n++ + b; };
+}
+exports.generate = generate;
+
+},{"boolbase":3}],311:[function(require,module,exports){
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.sequence = exports.generate = exports.compile = exports.parse = void 0;
+var parse_js_1 = require("./parse.js");
+Object.defineProperty(exports, "parse", { enumerable: true, get: function () { return parse_js_1.parse; } });
+var compile_js_1 = require("./compile.js");
+Object.defineProperty(exports, "compile", { enumerable: true, get: function () { return compile_js_1.compile; } });
+Object.defineProperty(exports, "generate", { enumerable: true, get: function () { return compile_js_1.generate; } });
+/**
+ * Parses and compiles a formula to a highly optimized function.
+ * Combination of {@link parse} and {@link compile}.
+ *
+ * If the formula doesn't match any elements,
+ * it returns [`boolbase`](https://github.com/fb55/boolbase)'s `falseFunc`.
+ * Otherwise, a function accepting an _index_ is returned, which returns
+ * whether or not the passed _index_ matches the formula.
+ *
+ * Note: The nth-rule starts counting at `1`, the returned function at `0`.
+ *
+ * @param formula The formula to compile.
+ * @example
+ * const check = nthCheck("2n+3");
+ *
+ * check(0); // `false`
+ * check(1); // `false`
+ * check(2); // `true`
+ * check(3); // `false`
+ * check(4); // `true`
+ * check(5); // `false`
+ * check(6); // `true`
+ */
+function nthCheck(formula) {
+    return (0, compile_js_1.compile)((0, parse_js_1.parse)(formula));
+}
+exports.default = nthCheck;
+/**
+ * Parses and compiles a formula to a generator that produces a sequence of indices.
+ * Combination of {@link parse} and {@link generate}.
+ *
+ * @param formula The formula to compile.
+ * @returns A function that produces a sequence of indices.
+ * @example <caption>Always increasing</caption>
+ *
+ * ```js
+ * const gen = nthCheck.sequence('2n+3')
+ *
+ * gen() // `1`
+ * gen() // `3`
+ * gen() // `5`
+ * gen() // `8`
+ * gen() // `11`
+ * ```
+ *
+ * @example <caption>With end value</caption>
+ *
+ * ```js
+ *
+ * const gen = nthCheck.sequence('-2n+5');
+ *
+ * gen() // 0
+ * gen() // 2
+ * gen() // 4
+ * gen() // null
+ * ```
+ */
+function sequence(formula) {
+    return (0, compile_js_1.generate)((0, parse_js_1.parse)(formula));
+}
+exports.sequence = sequence;
+
+},{"./compile.js":310,"./parse.js":312}],312:[function(require,module,exports){
+"use strict";
+// Following http://www.w3.org/TR/css3-selectors/#nth-child-pseudo
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.parse = void 0;
+// Whitespace as per https://www.w3.org/TR/selectors-3/#lex is " \t\r\n\f"
+var whitespace = new Set([9, 10, 12, 13, 32]);
+var ZERO = "0".charCodeAt(0);
+var NINE = "9".charCodeAt(0);
+/**
+ * Parses an expression.
+ *
+ * @throws An `Error` if parsing fails.
+ * @returns An array containing the integer step size and the integer offset of the nth rule.
+ * @example nthCheck.parse("2n+3"); // returns [2, 3]
+ */
+function parse(formula) {
+    formula = formula.trim().toLowerCase();
+    if (formula === "even") {
+        return [2, 0];
+    }
+    else if (formula === "odd") {
+        return [2, 1];
+    }
+    // Parse [ ['-'|'+']? INTEGER? {N} [ S* ['-'|'+'] S* INTEGER ]?
+    var idx = 0;
+    var a = 0;
+    var sign = readSign();
+    var number = readNumber();
+    if (idx < formula.length && formula.charAt(idx) === "n") {
+        idx++;
+        a = sign * (number !== null && number !== void 0 ? number : 1);
+        skipWhitespace();
+        if (idx < formula.length) {
+            sign = readSign();
+            skipWhitespace();
+            number = readNumber();
+        }
+        else {
+            sign = number = 0;
+        }
+    }
+    // Throw if there is anything else
+    if (number === null || idx < formula.length) {
+        throw new Error("n-th rule couldn't be parsed ('".concat(formula, "')"));
+    }
+    return [a, sign * number];
+    function readSign() {
+        if (formula.charAt(idx) === "-") {
+            idx++;
+            return -1;
+        }
+        if (formula.charAt(idx) === "+") {
+            idx++;
+        }
+        return 1;
+    }
+    function readNumber() {
+        var start = idx;
+        var value = 0;
+        while (idx < formula.length &&
+            formula.charCodeAt(idx) >= ZERO &&
+            formula.charCodeAt(idx) <= NINE) {
+            value = value * 10 + (formula.charCodeAt(idx) - ZERO);
+            idx++;
+        }
+        // Return `null` if we didn't read anything.
+        return idx === start ? null : value;
+    }
+    function skipWhitespace() {
+        while (idx < formula.length &&
+            whitespace.has(formula.charCodeAt(idx))) {
+            idx++;
+        }
+    }
+}
+exports.parse = parse;
+
+},{}],313:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+var has = Object.prototype.hasOwnProperty;
+var hasNativeMap = typeof Map !== "undefined";
+
+/**
+ * A data structure which is a combination of an array and a set. Adding a new
+ * member is O(1), testing for membership is O(1), and finding the index of an
+ * element is O(1). Removing elements from the set is not supported. Only
+ * strings are supported for membership.
+ */
+function ArraySet() {
+  this._array = [];
+  this._set = hasNativeMap ? new Map() : Object.create(null);
+}
+
+/**
+ * Static method for creating ArraySet instances from an existing array.
+ */
+ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
+  var set = new ArraySet();
+  for (var i = 0, len = aArray.length; i < len; i++) {
+    set.add(aArray[i], aAllowDuplicates);
+  }
+  return set;
+};
+
+/**
+ * Return how many unique items are in this ArraySet. If duplicates have been
+ * added, than those do not count towards the size.
+ *
+ * @returns Number
+ */
+ArraySet.prototype.size = function ArraySet_size() {
+  return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length;
+};
+
+/**
+ * Add the given string to this set.
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
+  var sStr = hasNativeMap ? aStr : util.toSetString(aStr);
+  var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr);
+  var idx = this._array.length;
+  if (!isDuplicate || aAllowDuplicates) {
+    this._array.push(aStr);
+  }
+  if (!isDuplicate) {
+    if (hasNativeMap) {
+      this._set.set(aStr, idx);
+    } else {
+      this._set[sStr] = idx;
+    }
+  }
+};
+
+/**
+ * Is the given string a member of this set?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.has = function ArraySet_has(aStr) {
+  if (hasNativeMap) {
+    return this._set.has(aStr);
+  } else {
+    var sStr = util.toSetString(aStr);
+    return has.call(this._set, sStr);
+  }
+};
+
+/**
+ * What is the index of the given string in the array?
+ *
+ * @param String aStr
+ */
+ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
+  if (hasNativeMap) {
+    var idx = this._set.get(aStr);
+    if (idx >= 0) {
+        return idx;
+    }
+  } else {
+    var sStr = util.toSetString(aStr);
+    if (has.call(this._set, sStr)) {
+      return this._set[sStr];
+    }
+  }
+
+  throw new Error('"' + aStr + '" is not in the set.');
+};
+
+/**
+ * What is the element at the given index?
+ *
+ * @param Number aIdx
+ */
+ArraySet.prototype.at = function ArraySet_at(aIdx) {
+  if (aIdx >= 0 && aIdx < this._array.length) {
+    return this._array[aIdx];
+  }
+  throw new Error('No element indexed by ' + aIdx);
+};
+
+/**
+ * Returns the array representation of this set (which has the proper indices
+ * indicated by indexOf). Note that this is a copy of the internal array used
+ * for storing the members so that no one can mess with internal state.
+ */
+ArraySet.prototype.toArray = function ArraySet_toArray() {
+  return this._array.slice();
+};
+
+exports.ArraySet = ArraySet;
+
+},{"./util":318}],314:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ *
+ * Based on the Base 64 VLQ implementation in Closure Compiler:
+ * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
+ *
+ * Copyright 2011 The Closure Compiler Authors. All rights reserved.
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above
+ *    copyright notice, this list of conditions and the following
+ *    disclaimer in the documentation and/or other materials provided
+ *    with the distribution.
+ *  * Neither the name of Google Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+var base64 = require('./base64');
+
+// A single base 64 digit can contain 6 bits of data. For the base 64 variable
+// length quantities we use in the source map spec, the first bit is the sign,
+// the next four bits are the actual value, and the 6th bit is the
+// continuation bit. The continuation bit tells us whether there are more
+// digits in this value following this digit.
+//
+//   Continuation
+//   |    Sign
+//   |    |
+//   V    V
+//   101011
+
+var VLQ_BASE_SHIFT = 5;
+
+// binary: 100000
+var VLQ_BASE = 1 << VLQ_BASE_SHIFT;
+
+// binary: 011111
+var VLQ_BASE_MASK = VLQ_BASE - 1;
+
+// binary: 100000
+var VLQ_CONTINUATION_BIT = VLQ_BASE;
+
+/**
+ * Converts from a two-complement value to a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
+ *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
+ */
+function toVLQSigned(aValue) {
+  return aValue < 0
+    ? ((-aValue) << 1) + 1
+    : (aValue << 1) + 0;
+}
+
+/**
+ * Converts to a two-complement value from a value where the sign bit is
+ * placed in the least significant bit.  For example, as decimals:
+ *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
+ *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
+ */
+function fromVLQSigned(aValue) {
+  var isNegative = (aValue & 1) === 1;
+  var shifted = aValue >> 1;
+  return isNegative
+    ? -shifted
+    : shifted;
+}
+
+/**
+ * Returns the base 64 VLQ encoded value.
+ */
+exports.encode = function base64VLQ_encode(aValue) {
+  var encoded = "";
+  var digit;
+
+  var vlq = toVLQSigned(aValue);
+
+  do {
+    digit = vlq & VLQ_BASE_MASK;
+    vlq >>>= VLQ_BASE_SHIFT;
+    if (vlq > 0) {
+      // There are still more digits in this value, so we must make sure the
+      // continuation bit is marked.
+      digit |= VLQ_CONTINUATION_BIT;
+    }
+    encoded += base64.encode(digit);
+  } while (vlq > 0);
+
+  return encoded;
+};
+
+/**
+ * Decodes the next base 64 VLQ value from the given string and returns the
+ * value and the rest of the string via the out parameter.
+ */
+exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) {
+  var strLen = aStr.length;
+  var result = 0;
+  var shift = 0;
+  var continuation, digit;
+
+  do {
+    if (aIndex >= strLen) {
+      throw new Error("Expected more digits in base 64 VLQ value.");
+    }
+
+    digit = base64.decode(aStr.charCodeAt(aIndex++));
+    if (digit === -1) {
+      throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1));
+    }
+
+    continuation = !!(digit & VLQ_CONTINUATION_BIT);
+    digit &= VLQ_BASE_MASK;
+    result = result + (digit << shift);
+    shift += VLQ_BASE_SHIFT;
+  } while (continuation);
+
+  aOutParam.value = fromVLQSigned(result);
+  aOutParam.rest = aIndex;
+};
+
+},{"./base64":315}],315:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split('');
+
+/**
+ * Encode an integer in the range of 0 to 63 to a single base 64 digit.
+ */
+exports.encode = function (number) {
+  if (0 <= number && number < intToCharMap.length) {
+    return intToCharMap[number];
+  }
+  throw new TypeError("Must be between 0 and 63: " + number);
+};
+
+/**
+ * Decode a single base 64 character code digit to an integer. Returns -1 on
+ * failure.
+ */
+exports.decode = function (charCode) {
+  var bigA = 65;     // 'A'
+  var bigZ = 90;     // 'Z'
+
+  var littleA = 97;  // 'a'
+  var littleZ = 122; // 'z'
+
+  var zero = 48;     // '0'
+  var nine = 57;     // '9'
+
+  var plus = 43;     // '+'
+  var slash = 47;    // '/'
+
+  var littleOffset = 26;
+  var numberOffset = 52;
+
+  // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ
+  if (bigA <= charCode && charCode <= bigZ) {
+    return (charCode - bigA);
+  }
+
+  // 26 - 51: abcdefghijklmnopqrstuvwxyz
+  if (littleA <= charCode && charCode <= littleZ) {
+    return (charCode - littleA + littleOffset);
+  }
+
+  // 52 - 61: 0123456789
+  if (zero <= charCode && charCode <= nine) {
+    return (charCode - zero + numberOffset);
+  }
+
+  // 62: +
+  if (charCode == plus) {
+    return 62;
+  }
+
+  // 63: /
+  if (charCode == slash) {
+    return 63;
+  }
+
+  // Invalid base64 digit.
+  return -1;
+};
+
+},{}],316:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2014 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var util = require('./util');
+
+/**
+ * Determine whether mappingB is after mappingA with respect to generated
+ * position.
+ */
+function generatedPositionAfter(mappingA, mappingB) {
+  // Optimized for most common case
+  var lineA = mappingA.generatedLine;
+  var lineB = mappingB.generatedLine;
+  var columnA = mappingA.generatedColumn;
+  var columnB = mappingB.generatedColumn;
+  return lineB > lineA || lineB == lineA && columnB >= columnA ||
+         util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0;
+}
+
+/**
+ * A data structure to provide a sorted view of accumulated mappings in a
+ * performance conscious manner. It trades a neglibable overhead in general
+ * case for a large speedup in case of mappings being added in order.
+ */
+function MappingList() {
+  this._array = [];
+  this._sorted = true;
+  // Serves as infimum
+  this._last = {generatedLine: -1, generatedColumn: 0};
+}
+
+/**
+ * Iterate through internal items. This method takes the same arguments that
+ * `Array.prototype.forEach` takes.
+ *
+ * NOTE: The order of the mappings is NOT guaranteed.
+ */
+MappingList.prototype.unsortedForEach =
+  function MappingList_forEach(aCallback, aThisArg) {
+    this._array.forEach(aCallback, aThisArg);
+  };
+
+/**
+ * Add the given source mapping.
+ *
+ * @param Object aMapping
+ */
+MappingList.prototype.add = function MappingList_add(aMapping) {
+  if (generatedPositionAfter(this._last, aMapping)) {
+    this._last = aMapping;
+    this._array.push(aMapping);
+  } else {
+    this._sorted = false;
+    this._array.push(aMapping);
+  }
+};
+
+/**
+ * Returns the flat, sorted array of mappings. The mappings are sorted by
+ * generated position.
+ *
+ * WARNING: This method returns internal data without copying, for
+ * performance. The return value must NOT be mutated, and should be treated as
+ * an immutable borrow. If you want to take ownership, you must make your own
+ * copy.
+ */
+MappingList.prototype.toArray = function MappingList_toArray() {
+  if (!this._sorted) {
+    this._array.sort(util.compareByGeneratedPositionsInflated);
+    this._sorted = true;
+  }
+  return this._array;
+};
+
+exports.MappingList = MappingList;
+
+},{"./util":318}],317:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+var base64VLQ = require('./base64-vlq');
+var util = require('./util');
+var ArraySet = require('./array-set').ArraySet;
+var MappingList = require('./mapping-list').MappingList;
+
+/**
+ * An instance of the SourceMapGenerator represents a source map which is
+ * being built incrementally. You may pass an object with the following
+ * properties:
+ *
+ *   - file: The filename of the generated source.
+ *   - sourceRoot: A root for all relative URLs in this source map.
+ */
+function SourceMapGenerator(aArgs) {
+  if (!aArgs) {
+    aArgs = {};
+  }
+  this._file = util.getArg(aArgs, 'file', null);
+  this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
+  this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
+  this._sources = new ArraySet();
+  this._names = new ArraySet();
+  this._mappings = new MappingList();
+  this._sourcesContents = null;
+}
+
+SourceMapGenerator.prototype._version = 3;
+
+/**
+ * Creates a new SourceMapGenerator based on a SourceMapConsumer
+ *
+ * @param aSourceMapConsumer The SourceMap.
+ */
+SourceMapGenerator.fromSourceMap =
+  function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
+    var sourceRoot = aSourceMapConsumer.sourceRoot;
+    var generator = new SourceMapGenerator({
+      file: aSourceMapConsumer.file,
+      sourceRoot: sourceRoot
+    });
+    aSourceMapConsumer.eachMapping(function (mapping) {
+      var newMapping = {
+        generated: {
+          line: mapping.generatedLine,
+          column: mapping.generatedColumn
+        }
+      };
+
+      if (mapping.source != null) {
+        newMapping.source = mapping.source;
+        if (sourceRoot != null) {
+          newMapping.source = util.relative(sourceRoot, newMapping.source);
+        }
+
+        newMapping.original = {
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        };
+
+        if (mapping.name != null) {
+          newMapping.name = mapping.name;
+        }
+      }
+
+      generator.addMapping(newMapping);
+    });
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var sourceRelative = sourceFile;
+      if (sourceRoot !== null) {
+        sourceRelative = util.relative(sourceRoot, sourceFile);
+      }
+
+      if (!generator._sources.has(sourceRelative)) {
+        generator._sources.add(sourceRelative);
+      }
+
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        generator.setSourceContent(sourceFile, content);
+      }
+    });
+    return generator;
+  };
+
+/**
+ * Add a single mapping from original source line and column to the generated
+ * source's line and column for this source map being created. The mapping
+ * object should have the following properties:
+ *
+ *   - generated: An object with the generated line and column positions.
+ *   - original: An object with the original line and column positions.
+ *   - source: The original source file (relative to the sourceRoot).
+ *   - name: An optional original token name for this mapping.
+ */
+SourceMapGenerator.prototype.addMapping =
+  function SourceMapGenerator_addMapping(aArgs) {
+    var generated = util.getArg(aArgs, 'generated');
+    var original = util.getArg(aArgs, 'original', null);
+    var source = util.getArg(aArgs, 'source', null);
+    var name = util.getArg(aArgs, 'name', null);
+
+    if (!this._skipValidation) {
+      this._validateMapping(generated, original, source, name);
+    }
+
+    if (source != null) {
+      source = String(source);
+      if (!this._sources.has(source)) {
+        this._sources.add(source);
+      }
+    }
+
+    if (name != null) {
+      name = String(name);
+      if (!this._names.has(name)) {
+        this._names.add(name);
+      }
+    }
+
+    this._mappings.add({
+      generatedLine: generated.line,
+      generatedColumn: generated.column,
+      originalLine: original != null && original.line,
+      originalColumn: original != null && original.column,
+      source: source,
+      name: name
+    });
+  };
+
+/**
+ * Set the source content for a source file.
+ */
+SourceMapGenerator.prototype.setSourceContent =
+  function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
+    var source = aSourceFile;
+    if (this._sourceRoot != null) {
+      source = util.relative(this._sourceRoot, source);
+    }
+
+    if (aSourceContent != null) {
+      // Add the source content to the _sourcesContents map.
+      // Create a new _sourcesContents map if the property is null.
+      if (!this._sourcesContents) {
+        this._sourcesContents = Object.create(null);
+      }
+      this._sourcesContents[util.toSetString(source)] = aSourceContent;
+    } else if (this._sourcesContents) {
+      // Remove the source file from the _sourcesContents map.
+      // If the _sourcesContents map is empty, set the property to null.
+      delete this._sourcesContents[util.toSetString(source)];
+      if (Object.keys(this._sourcesContents).length === 0) {
+        this._sourcesContents = null;
+      }
+    }
+  };
+
+/**
+ * Applies the mappings of a sub-source-map for a specific source file to the
+ * source map being generated. Each mapping to the supplied source file is
+ * rewritten using the supplied source map. Note: The resolution for the
+ * resulting mappings is the minimium of this map and the supplied map.
+ *
+ * @param aSourceMapConsumer The source map to be applied.
+ * @param aSourceFile Optional. The filename of the source file.
+ *        If omitted, SourceMapConsumer's file property will be used.
+ * @param aSourceMapPath Optional. The dirname of the path to the source map
+ *        to be applied. If relative, it is relative to the SourceMapConsumer.
+ *        This parameter is needed when the two source maps aren't in the same
+ *        directory, and the source map to be applied contains relative source
+ *        paths. If so, those relative source paths need to be rewritten
+ *        relative to the SourceMapGenerator.
+ */
+SourceMapGenerator.prototype.applySourceMap =
+  function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
+    var sourceFile = aSourceFile;
+    // If aSourceFile is omitted, we will use the file property of the SourceMap
+    if (aSourceFile == null) {
+      if (aSourceMapConsumer.file == null) {
+        throw new Error(
+          'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
+          'or the source map\'s "file" property. Both were omitted.'
+        );
+      }
+      sourceFile = aSourceMapConsumer.file;
+    }
+    var sourceRoot = this._sourceRoot;
+    // Make "sourceFile" relative if an absolute Url is passed.
+    if (sourceRoot != null) {
+      sourceFile = util.relative(sourceRoot, sourceFile);
+    }
+    // Applying the SourceMap can add and remove items from the sources and
+    // the names array.
+    var newSources = new ArraySet();
+    var newNames = new ArraySet();
+
+    // Find mappings for the "sourceFile"
+    this._mappings.unsortedForEach(function (mapping) {
+      if (mapping.source === sourceFile && mapping.originalLine != null) {
+        // Check if it can be mapped by the source map, then update the mapping.
+        var original = aSourceMapConsumer.originalPositionFor({
+          line: mapping.originalLine,
+          column: mapping.originalColumn
+        });
+        if (original.source != null) {
+          // Copy mapping
+          mapping.source = original.source;
+          if (aSourceMapPath != null) {
+            mapping.source = util.join(aSourceMapPath, mapping.source)
+          }
+          if (sourceRoot != null) {
+            mapping.source = util.relative(sourceRoot, mapping.source);
+          }
+          mapping.originalLine = original.line;
+          mapping.originalColumn = original.column;
+          if (original.name != null) {
+            mapping.name = original.name;
+          }
+        }
+      }
+
+      var source = mapping.source;
+      if (source != null && !newSources.has(source)) {
+        newSources.add(source);
+      }
+
+      var name = mapping.name;
+      if (name != null && !newNames.has(name)) {
+        newNames.add(name);
+      }
+
+    }, this);
+    this._sources = newSources;
+    this._names = newNames;
+
+    // Copy sourcesContents of applied map.
+    aSourceMapConsumer.sources.forEach(function (sourceFile) {
+      var content = aSourceMapConsumer.sourceContentFor(sourceFile);
+      if (content != null) {
+        if (aSourceMapPath != null) {
+          sourceFile = util.join(aSourceMapPath, sourceFile);
+        }
+        if (sourceRoot != null) {
+          sourceFile = util.relative(sourceRoot, sourceFile);
+        }
+        this.setSourceContent(sourceFile, content);
+      }
+    }, this);
+  };
+
+/**
+ * A mapping can have one of the three levels of data:
+ *
+ *   1. Just the generated position.
+ *   2. The Generated position, original position, and original source.
+ *   3. Generated and original position, original source, as well as a name
+ *      token.
+ *
+ * To maintain consistency, we validate that any new mapping being added falls
+ * in to one of these categories.
+ */
+SourceMapGenerator.prototype._validateMapping =
+  function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
+                                              aName) {
+    // When aOriginal is truthy but has empty values for .line and .column,
+    // it is most likely a programmer error. In this case we throw a very
+    // specific error message to try to guide them the right way.
+    // For example: https://github.com/Polymer/polymer-bundler/pull/519
+    if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') {
+        throw new Error(
+            'original.line and original.column are not numbers -- you probably meant to omit ' +
+            'the original mapping entirely and only map the generated position. If so, pass ' +
+            'null for the original mapping instead of an object with empty or null values.'
+        );
+    }
+
+    if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+        && aGenerated.line > 0 && aGenerated.column >= 0
+        && !aOriginal && !aSource && !aName) {
+      // Case 1.
+      return;
+    }
+    else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
+             && aOriginal && 'line' in aOriginal && 'column' in aOriginal
+             && aGenerated.line > 0 && aGenerated.column >= 0
+             && aOriginal.line > 0 && aOriginal.column >= 0
+             && aSource) {
+      // Cases 2 and 3.
+      return;
+    }
+    else {
+      throw new Error('Invalid mapping: ' + JSON.stringify({
+        generated: aGenerated,
+        source: aSource,
+        original: aOriginal,
+        name: aName
+      }));
+    }
+  };
+
+/**
+ * Serialize the accumulated mappings in to the stream of base 64 VLQs
+ * specified by the source map format.
+ */
+SourceMapGenerator.prototype._serializeMappings =
+  function SourceMapGenerator_serializeMappings() {
+    var previousGeneratedColumn = 0;
+    var previousGeneratedLine = 1;
+    var previousOriginalColumn = 0;
+    var previousOriginalLine = 0;
+    var previousName = 0;
+    var previousSource = 0;
+    var result = '';
+    var next;
+    var mapping;
+    var nameIdx;
+    var sourceIdx;
+
+    var mappings = this._mappings.toArray();
+    for (var i = 0, len = mappings.length; i < len; i++) {
+      mapping = mappings[i];
+      next = ''
+
+      if (mapping.generatedLine !== previousGeneratedLine) {
+        previousGeneratedColumn = 0;
+        while (mapping.generatedLine !== previousGeneratedLine) {
+          next += ';';
+          previousGeneratedLine++;
+        }
+      }
+      else {
+        if (i > 0) {
+          if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) {
+            continue;
+          }
+          next += ',';
+        }
+      }
+
+      next += base64VLQ.encode(mapping.generatedColumn
+                                 - previousGeneratedColumn);
+      previousGeneratedColumn = mapping.generatedColumn;
+
+      if (mapping.source != null) {
+        sourceIdx = this._sources.indexOf(mapping.source);
+        next += base64VLQ.encode(sourceIdx - previousSource);
+        previousSource = sourceIdx;
+
+        // lines are stored 0-based in SourceMap spec version 3
+        next += base64VLQ.encode(mapping.originalLine - 1
+                                   - previousOriginalLine);
+        previousOriginalLine = mapping.originalLine - 1;
+
+        next += base64VLQ.encode(mapping.originalColumn
+                                   - previousOriginalColumn);
+        previousOriginalColumn = mapping.originalColumn;
+
+        if (mapping.name != null) {
+          nameIdx = this._names.indexOf(mapping.name);
+          next += base64VLQ.encode(nameIdx - previousName);
+          previousName = nameIdx;
+        }
+      }
+
+      result += next;
+    }
+
+    return result;
+  };
+
+SourceMapGenerator.prototype._generateSourcesContent =
+  function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
+    return aSources.map(function (source) {
+      if (!this._sourcesContents) {
+        return null;
+      }
+      if (aSourceRoot != null) {
+        source = util.relative(aSourceRoot, source);
+      }
+      var key = util.toSetString(source);
+      return Object.prototype.hasOwnProperty.call(this._sourcesContents, key)
+        ? this._sourcesContents[key]
+        : null;
+    }, this);
+  };
+
+/**
+ * Externalize the source map.
+ */
+SourceMapGenerator.prototype.toJSON =
+  function SourceMapGenerator_toJSON() {
+    var map = {
+      version: this._version,
+      sources: this._sources.toArray(),
+      names: this._names.toArray(),
+      mappings: this._serializeMappings()
+    };
+    if (this._file != null) {
+      map.file = this._file;
+    }
+    if (this._sourceRoot != null) {
+      map.sourceRoot = this._sourceRoot;
+    }
+    if (this._sourcesContents) {
+      map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
+    }
+
+    return map;
+  };
+
+/**
+ * Render the source map being generated to a string.
+ */
+SourceMapGenerator.prototype.toString =
+  function SourceMapGenerator_toString() {
+    return JSON.stringify(this.toJSON());
+  };
+
+exports.SourceMapGenerator = SourceMapGenerator;
+
+},{"./array-set":313,"./base64-vlq":314,"./mapping-list":316,"./util":318}],318:[function(require,module,exports){
+/* -*- Mode: js; js-indent-level: 2; -*- */
+/*
+ * Copyright 2011 Mozilla Foundation and contributors
+ * Licensed under the New BSD license. See LICENSE or:
+ * http://opensource.org/licenses/BSD-3-Clause
+ */
+
+/**
+ * This is a helper function for getting values from parameter/options
+ * objects.
+ *
+ * @param args The object we are extracting values from
+ * @param name The name of the property we are getting.
+ * @param defaultValue An optional value to return if the property is missing
+ * from the object. If this is not specified and the property is missing, an
+ * error will be thrown.
+ */
+function getArg(aArgs, aName, aDefaultValue) {
+  if (aName in aArgs) {
+    return aArgs[aName];
+  } else if (arguments.length === 3) {
+    return aDefaultValue;
+  } else {
+    throw new Error('"' + aName + '" is a required argument.');
+  }
+}
+exports.getArg = getArg;
+
+var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/;
+var dataUrlRegexp = /^data:.+\,.+$/;
+
+function urlParse(aUrl) {
+  var match = aUrl.match(urlRegexp);
+  if (!match) {
+    return null;
+  }
+  return {
+    scheme: match[1],
+    auth: match[2],
+    host: match[3],
+    port: match[4],
+    path: match[5]
+  };
+}
+exports.urlParse = urlParse;
+
+function urlGenerate(aParsedUrl) {
+  var url = '';
+  if (aParsedUrl.scheme) {
+    url += aParsedUrl.scheme + ':';
+  }
+  url += '//';
+  if (aParsedUrl.auth) {
+    url += aParsedUrl.auth + '@';
+  }
+  if (aParsedUrl.host) {
+    url += aParsedUrl.host;
+  }
+  if (aParsedUrl.port) {
+    url += ":" + aParsedUrl.port
+  }
+  if (aParsedUrl.path) {
+    url += aParsedUrl.path;
+  }
+  return url;
+}
+exports.urlGenerate = urlGenerate;
+
+var MAX_CACHED_INPUTS = 32;
+
+/**
+ * Takes some function `f(input) -> result` and returns a memoized version of
+ * `f`.
+ *
+ * We keep at most `MAX_CACHED_INPUTS` memoized results of `f` alive. The
+ * memoization is a dumb-simple, linear least-recently-used cache.
+ */
+function lruMemoize(f) {
+  var cache = [];
+
+  return function(input) {
+    for (var i = 0; i < cache.length; i++) {
+      if (cache[i].input === input) {
+        var temp = cache[0];
+        cache[0] = cache[i];
+        cache[i] = temp;
+        return cache[0].result;
+      }
+    }
+
+    var result = f(input);
+
+    cache.unshift({
+      input,
+      result,
+    });
+
+    if (cache.length > MAX_CACHED_INPUTS) {
+      cache.pop();
+    }
+
+    return result;
+  };
+}
+
+/**
+ * Normalizes a path, or the path portion of a URL:
+ *
+ * - Replaces consecutive slashes with one slash.
+ * - Removes unnecessary '.' parts.
+ * - Removes unnecessary '<dir>/..' parts.
+ *
+ * Based on code in the Node.js 'path' core module.
+ *
+ * @param aPath The path or url to normalize.
+ */
+var normalize = lruMemoize(function normalize(aPath) {
+  var path = aPath;
+  var url = urlParse(aPath);
+  if (url) {
+    if (!url.path) {
+      return aPath;
+    }
+    path = url.path;
+  }
+  var isAbsolute = exports.isAbsolute(path);
+  // Split the path into parts between `/` characters. This is much faster than
+  // using `.split(/\/+/g)`.
+  var parts = [];
+  var start = 0;
+  var i = 0;
+  while (true) {
+    start = i;
+    i = path.indexOf("/", start);
+    if (i === -1) {
+      parts.push(path.slice(start));
+      break;
+    } else {
+      parts.push(path.slice(start, i));
+      while (i < path.length && path[i] === "/") {
+        i++;
+      }
+    }
+  }
+
+  for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
+    part = parts[i];
+    if (part === '.') {
+      parts.splice(i, 1);
+    } else if (part === '..') {
+      up++;
+    } else if (up > 0) {
+      if (part === '') {
+        // The first part is blank if the path is absolute. Trying to go
+        // above the root is a no-op. Therefore we can remove all '..' parts
+        // directly after the root.
+        parts.splice(i + 1, up);
+        up = 0;
+      } else {
+        parts.splice(i, 2);
+        up--;
+      }
+    }
+  }
+  path = parts.join('/');
+
+  if (path === '') {
+    path = isAbsolute ? '/' : '.';
+  }
+
+  if (url) {
+    url.path = path;
+    return urlGenerate(url);
+  }
+  return path;
+});
+exports.normalize = normalize;
+
+/**
+ * Joins two paths/URLs.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be joined with the root.
+ *
+ * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
+ *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
+ *   first.
+ * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
+ *   is updated with the result and aRoot is returned. Otherwise the result
+ *   is returned.
+ *   - If aPath is absolute, the result is aPath.
+ *   - Otherwise the two paths are joined with a slash.
+ * - Joining for example 'http://' and 'www.example.com' is also supported.
+ */
+function join(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+  if (aPath === "") {
+    aPath = ".";
+  }
+  var aPathUrl = urlParse(aPath);
+  var aRootUrl = urlParse(aRoot);
+  if (aRootUrl) {
+    aRoot = aRootUrl.path || '/';
+  }
+
+  // `join(foo, '//www.example.org')`
+  if (aPathUrl && !aPathUrl.scheme) {
+    if (aRootUrl) {
+      aPathUrl.scheme = aRootUrl.scheme;
+    }
+    return urlGenerate(aPathUrl);
+  }
+
+  if (aPathUrl || aPath.match(dataUrlRegexp)) {
+    return aPath;
+  }
+
+  // `join('http://', 'www.example.com')`
+  if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
+    aRootUrl.host = aPath;
+    return urlGenerate(aRootUrl);
+  }
+
+  var joined = aPath.charAt(0) === '/'
+    ? aPath
+    : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);
+
+  if (aRootUrl) {
+    aRootUrl.path = joined;
+    return urlGenerate(aRootUrl);
+  }
+  return joined;
+}
+exports.join = join;
+
+exports.isAbsolute = function (aPath) {
+  return aPath.charAt(0) === '/' || urlRegexp.test(aPath);
+};
+
+/**
+ * Make a path relative to a URL or another path.
+ *
+ * @param aRoot The root path or URL.
+ * @param aPath The path or URL to be made relative to aRoot.
+ */
+function relative(aRoot, aPath) {
+  if (aRoot === "") {
+    aRoot = ".";
+  }
+
+  aRoot = aRoot.replace(/\/$/, '');
+
+  // It is possible for the path to be above the root. In this case, simply
+  // checking whether the root is a prefix of the path won't work. Instead, we
+  // need to remove components from the root one by one, until either we find
+  // a prefix that fits, or we run out of components to remove.
+  var level = 0;
+  while (aPath.indexOf(aRoot + '/') !== 0) {
+    var index = aRoot.lastIndexOf("/");
+    if (index < 0) {
+      return aPath;
+    }
+
+    // If the only part of the root that is left is the scheme (i.e. http://,
+    // file:///, etc.), one or more slashes (/), or simply nothing at all, we
+    // have exhausted all components, so the path is not relative to the root.
+    aRoot = aRoot.slice(0, index);
+    if (aRoot.match(/^([^\/]+:\/)?\/*$/)) {
+      return aPath;
+    }
+
+    ++level;
+  }
+
+  // Make sure we add a "../" for each component we removed from the root.
+  return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1);
+}
+exports.relative = relative;
+
+var supportsNullProto = (function () {
+  var obj = Object.create(null);
+  return !('__proto__' in obj);
+}());
+
+function identity (s) {
+  return s;
+}
+
+/**
+ * Because behavior goes wacky when you set `__proto__` on objects, we
+ * have to prefix all the strings in our set with an arbitrary character.
+ *
+ * See https://github.com/mozilla/source-map/pull/31 and
+ * https://github.com/mozilla/source-map/issues/30
+ *
+ * @param String aStr
+ */
+function toSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return '$' + aStr;
+  }
+
+  return aStr;
+}
+exports.toSetString = supportsNullProto ? identity : toSetString;
+
+function fromSetString(aStr) {
+  if (isProtoString(aStr)) {
+    return aStr.slice(1);
+  }
+
+  return aStr;
+}
+exports.fromSetString = supportsNullProto ? identity : fromSetString;
+
+function isProtoString(s) {
+  if (!s) {
+    return false;
+  }
+
+  var length = s.length;
+
+  if (length < 9 /* "__proto__".length */) {
+    return false;
+  }
+
+  if (s.charCodeAt(length - 1) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 2) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 3) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 4) !== 116 /* 't' */ ||
+      s.charCodeAt(length - 5) !== 111 /* 'o' */ ||
+      s.charCodeAt(length - 6) !== 114 /* 'r' */ ||
+      s.charCodeAt(length - 7) !== 112 /* 'p' */ ||
+      s.charCodeAt(length - 8) !== 95  /* '_' */ ||
+      s.charCodeAt(length - 9) !== 95  /* '_' */) {
+    return false;
+  }
+
+  for (var i = length - 10; i >= 0; i--) {
+    if (s.charCodeAt(i) !== 36 /* '$' */) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+/**
+ * Comparator between two mappings where the original positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same original source/line/column, but different generated
+ * line and column the same. Useful when searching for a mapping with a
+ * stubbed out mapping.
+ */
+function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositions = compareByOriginalPositions;
+
+function compareByOriginalPositionsNoSource(mappingA, mappingB, onlyCompareOriginal) {
+  var cmp
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0 || onlyCompareOriginal) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByOriginalPositionsNoSource = compareByOriginalPositionsNoSource;
+
+/**
+ * Comparator between two mappings with deflated source and name indices where
+ * the generated positions are compared.
+ *
+ * Optionally pass in `true` as `onlyCompareGenerated` to consider two
+ * mappings with the same generated line and column, but different
+ * source/name/original line and column the same. Useful when searching for a
+ * mapping with a stubbed out mapping.
+ */
+function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated;
+
+function compareByGeneratedPositionsDeflatedNoLine(mappingA, mappingB, onlyCompareGenerated) {
+  var cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0 || onlyCompareGenerated) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsDeflatedNoLine = compareByGeneratedPositionsDeflatedNoLine;
+
+function strcmp(aStr1, aStr2) {
+  if (aStr1 === aStr2) {
+    return 0;
+  }
+
+  if (aStr1 === null) {
+    return 1; // aStr2 !== null
+  }
+
+  if (aStr2 === null) {
+    return -1; // aStr1 !== null
+  }
+
+  if (aStr1 > aStr2) {
+    return 1;
+  }
+
+  return -1;
+}
+
+/**
+ * Comparator between two mappings with inflated source and name strings where
+ * the generated positions are compared.
+ */
+function compareByGeneratedPositionsInflated(mappingA, mappingB) {
+  var cmp = mappingA.generatedLine - mappingB.generatedLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.generatedColumn - mappingB.generatedColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = strcmp(mappingA.source, mappingB.source);
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalLine - mappingB.originalLine;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  cmp = mappingA.originalColumn - mappingB.originalColumn;
+  if (cmp !== 0) {
+    return cmp;
+  }
+
+  return strcmp(mappingA.name, mappingB.name);
+}
+exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated;
+
+/**
+ * Strip any JSON XSSI avoidance prefix from the string (as documented
+ * in the source maps specification), and then parse the string as
+ * JSON.
+ */
+function parseSourceMapInput(str) {
+  return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, ''));
+}
+exports.parseSourceMapInput = parseSourceMapInput;
+
+/**
+ * Compute the URL of a source given the the source root, the source's
+ * URL, and the source map's URL.
+ */
+function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) {
+  sourceURL = sourceURL || '';
+
+  if (sourceRoot) {
+    // This follows what Chrome does.
+    if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') {
+      sourceRoot += '/';
+    }
+    // The spec says:
+    //   Line 4: An optional source root, useful for relocating source
+    //   files on a server or removing repeated values in the
+    //   “sources” entry.  This value is prepended to the individual
+    //   entries in the “source” field.
+    sourceURL = sourceRoot + sourceURL;
+  }
+
+  // Historically, SourceMapConsumer did not take the sourceMapURL as
+  // a parameter.  This mode is still somewhat supported, which is why
+  // this code block is conditional.  However, it's preferable to pass
+  // the source map URL to SourceMapConsumer, so that this function
+  // can implement the source URL resolution algorithm as outlined in
+  // the spec.  This block is basically the equivalent of:
+  //    new URL(sourceURL, sourceMapURL).toString()
+  // ... except it avoids using URL, which wasn't available in the
+  // older releases of node still supported by this library.
+  //
+  // The spec says:
+  //   If the sources are not absolute URLs after prepending of the
+  //   “sourceRoot”, the sources are resolved relative to the
+  //   SourceMap (like resolving script src in a html document).
+  if (sourceMapURL) {
+    var parsed = urlParse(sourceMapURL);
+    if (!parsed) {
+      throw new Error("sourceMapURL could not be parsed");
+    }
+    if (parsed.path) {
+      // Strip the last path component, but keep the "/".
+      var index = parsed.path.lastIndexOf('/');
+      if (index >= 0) {
+        parsed.path = parsed.path.substring(0, index + 1);
+      }
+    }
+    sourceURL = join(urlGenerate(parsed), sourceURL);
+  }
+
+  return normalize(sourceURL);
+}
+exports.computeSourceURL = computeSourceURL;
+
+},{}],319:[function(require,module,exports){
+'use strict';
+
+const { parseSvg } = require('./svgo/parser.js');
+const { stringifySvg } = require('./svgo/stringifier.js');
+const { resolvePlugin } = require('./svgo/plugins.js');
+const { encodeSVGDatauri, invokePlugins } = require('./svgo/tools.js');
+
+const isPlainObject = require("lodash/isPlainObject");
+
+const optimize = (input, config) => {
+  if (config === null) {
+    config = {};
+  }
+
+  if (!isPlainObject(config)) {
+    throw Error('Config should be an object');
+  }
+
+  let plugins = config.plugins || ['safePreset'];
+
+  if (Array.isArray(plugins) === false) {
+    throw Error("Invalid plugins list");
+  }
+
+  plugins = plugins.map(resolvePlugin);
+
+  const globalOverrides = {};
+  if (config.floatPrecision !== null) {
+    globalOverrides.floatPrecision = config.floatPrecision;
+  }
+
+  let maxPassCount = config.multipass ? 10 : 1;
+  let prevResultSize = Number.POSITIVE_INFINITY;
+  let output = '';
+  let info = {};
+
+  for (let i = 0; i < maxPassCount; i += 1) {
+    info.multipassCount = i;
+    const ast = parseSvg(input, config.path);
+    invokePlugins(ast, info, plugins, null, globalOverrides);
+    output = stringifySvg(ast, config);
+
+    if (output.length < prevResultSize) {
+      input = output;
+      prevResultSize = output.length;
+    } else {
+      break;
+    }
+  }
+
+  if (config.datauri) {
+    output = encodeSVGDatauri(output, config.datauri);
+  }
+
+  return output;
+};
+
+exports.optimize = optimize;
+
+},{"./svgo/parser.js":322,"./svgo/plugins.js":324,"./svgo/stringifier.js":381,"./svgo/tools.js":383,"lodash/isPlainObject":308}],320:[function(require,module,exports){
+'use strict';
+
+exports.builtin = [
+  require('./plugins/default.js'),
+  require('./plugins/safe.js'),
+  require('./plugins/addAttributesToSVGElement.js'),
+  require('./plugins/addClassesToSVGElement.js'),
+  require('./plugins/cleanupAttrs.js'),
+  require('./plugins/cleanupEnableBackground.js'),
+  require('./plugins/cleanupIds.js'),
+  require('./plugins/cleanupListOfValues.js'),
+  require('./plugins/cleanupNumericValues.js'),
+  require('./plugins/collapseGroups.js'),
+  require('./plugins/convertColors.js'),
+  require('./plugins/convertEllipseToCircle.js'),
+  require('./plugins/convertPathData.js'),
+  require('./plugins/convertShapeToPath.js'),
+  require('./plugins/convertStyleToAttrs.js'),
+  require('./plugins/convertTransform.js'),
+  require('./plugins/mergeStyles.js'),
+  require('./plugins/inlineStyles.js'),
+  require('./plugins/mergePaths.js'),
+  require('./plugins/minifyStyles.js'),
+  require('./plugins/moveElemsAttrsToGroup.js'),
+  require('./plugins/moveGroupAttrsToElems.js'),
+  require('./plugins/prefixIds.js'),
+  require('./plugins/removeAttributesBySelector.js'),
+  require('./plugins/removeAttrs.js'),
+  require('./plugins/removeComments.js'),
+  require('./plugins/removeDesc.js'),
+  require('./plugins/removeDimensions.js'),
+  require('./plugins/removeDoctype.js'),
+  require('./plugins/removeEditorsNSData.js'),
+  require('./plugins/removeElementsByAttr.js'),
+  require('./plugins/removeEmptyAttrs.js'),
+  require('./plugins/removeEmptyContainers.js'),
+  require('./plugins/removeEmptyText.js'),
+  require('./plugins/removeHiddenElems.js'),
+  require('./plugins/removeMetadata.js'),
+  require('./plugins/removeNonInheritableGroupAttrs.js'),
+  require('./plugins/removeOffCanvasPaths.js'),
+  require('./plugins/removeRasterImages.js'),
+  require('./plugins/removeScriptElement.js'),
+  require('./plugins/removeStyleElement.js'),
+  require('./plugins/removeTitle.js'),
+  require('./plugins/removeUnknownsAndDefaults.js'),
+  require('./plugins/removeUnusedNS.js'),
+  require('./plugins/removeUselessDefs.js'),
+  require('./plugins/removeUselessStrokeAndFill.js'),
+  require('./plugins/removeViewBox.js'),
+  require('./plugins/removeXMLNS.js'),
+  require('./plugins/removeXMLProcInst.js'),
+  require('./plugins/reusePaths.js'),
+  require('./plugins/sortAttrs.js'),
+  require('./plugins/sortDefsChildren.js'),
+];
+
+},{"./plugins/addAttributesToSVGElement.js":328,"./plugins/addClassesToSVGElement.js":329,"./plugins/cleanupAttrs.js":331,"./plugins/cleanupEnableBackground.js":332,"./plugins/cleanupIds.js":333,"./plugins/cleanupListOfValues.js":334,"./plugins/cleanupNumericValues.js":335,"./plugins/collapseGroups.js":336,"./plugins/convertColors.js":337,"./plugins/convertEllipseToCircle.js":338,"./plugins/convertPathData.js":339,"./plugins/convertShapeToPath.js":340,"./plugins/convertStyleToAttrs.js":341,"./plugins/convertTransform.js":342,"./plugins/default.js":343,"./plugins/inlineStyles.js":344,"./plugins/mergePaths.js":345,"./plugins/mergeStyles.js":346,"./plugins/minifyStyles.js":347,"./plugins/moveElemsAttrsToGroup.js":348,"./plugins/moveGroupAttrsToElems.js":349,"./plugins/prefixIds.js":350,"./plugins/removeAttributesBySelector.js":351,"./plugins/removeAttrs.js":352,"./plugins/removeComments.js":353,"./plugins/removeDesc.js":354,"./plugins/removeDimensions.js":355,"./plugins/removeDoctype.js":356,"./plugins/removeEditorsNSData.js":357,"./plugins/removeElementsByAttr.js":358,"./plugins/removeEmptyAttrs.js":359,"./plugins/removeEmptyContainers.js":360,"./plugins/removeEmptyText.js":361,"./plugins/removeHiddenElems.js":362,"./plugins/removeMetadata.js":363,"./plugins/removeNonInheritableGroupAttrs.js":364,"./plugins/removeOffCanvasPaths.js":365,"./plugins/removeRasterImages.js":366,"./plugins/removeScriptElement.js":367,"./plugins/removeStyleElement.js":368,"./plugins/removeTitle.js":369,"./plugins/removeUnknownsAndDefaults.js":370,"./plugins/removeUnusedNS.js":371,"./plugins/removeUselessDefs.js":372,"./plugins/removeUselessStrokeAndFill.js":373,"./plugins/removeViewBox.js":374,"./plugins/removeXMLNS.js":375,"./plugins/removeXMLProcInst.js":376,"./plugins/reusePaths.js":377,"./plugins/safe.js":378,"./plugins/sortAttrs.js":379,"./plugins/sortDefsChildren.js":380}],321:[function(require,module,exports){
+'use strict';
+
+const isTag = (node) => {
+  return node.type === 'element';
+};
+
+const existsOne = (test, elems) => {
+  return elems.some((elem) => {
+    if (isTag(elem)) {
+      return test(elem) || existsOne(test, getChildren(elem));
+    } else {
+      return false;
+    }
+  });
+};
+
+const getAttributeValue = (elem, name) => {
+  return elem.attributes[name];
+};
+
+const getChildren = (node) => {
+  return node.children || [];
+};
+
+const getName = (elemAst) => {
+  return elemAst.name;
+};
+
+const getParent = (node) => {
+  return node.parentNode || null;
+};
+
+const getSiblings = (elem) => {
+  var parent = getParent(elem);
+  return parent ? getChildren(parent) : [];
+};
+
+const getText = (node) => {
+  if (node.children[0].type === 'text' && node.children[0].type === 'cdata') {
+    return node.children[0].value;
+  }
+  return '';
+};
+
+const hasAttrib = (elem, name) => {
+  return elem.attributes[name] !== undefined;
+};
+
+const removeSubsets = (nodes) => {
+  let idx = nodes.length;
+  let node;
+  let ancestor;
+  let replace;
+  // Check if each node (or one of its ancestors) is already contained in the
+  // array.
+  while (--idx > -1) {
+    node = ancestor = nodes[idx];
+    // Temporarily remove the node under consideration
+    nodes[idx] = null;
+    replace = true;
+    while (ancestor) {
+      if (nodes.includes(ancestor)) {
+        replace = false;
+        nodes.splice(idx, 1);
+        break;
+      }
+      ancestor = getParent(ancestor);
+    }
+    // If the node has been found to be unique, re-insert it.
+    if (replace) {
+      nodes[idx] = node;
+    }
+  }
+  return nodes;
+};
+
+const findAll = (test, elems) => {
+  const result = [];
+  for (const elem of elems) {
+    if (isTag(elem)) {
+      if (test(elem)) {
+        result.push(elem);
+      }
+      result.push(...findAll(test, getChildren(elem)));
+    }
+  }
+  return result;
+};
+
+const findOne = (test, elems) => {
+  for (const elem of elems) {
+    if (isTag(elem)) {
+      if (test(elem)) {
+        return elem;
+      }
+      const result = findOne(test, getChildren(elem));
+      if (result) {
+        return result;
+      }
+    }
+  }
+  return null;
+};
+
+const svgoCssSelectAdapter = {
+  isTag,
+  existsOne,
+  getAttributeValue,
+  getChildren,
+  getName,
+  getParent,
+  getSiblings,
+  getText,
+  hasAttrib,
+  removeSubsets,
+  findAll,
+  findOne,
+};
+
+module.exports = svgoCssSelectAdapter;
+
+},{}],322:[function(require,module,exports){
+'use strict';
+
+const SAX = require('@trysound/sax');
+const { textElems } = require('./plugins/_collections.js');
+
+class SvgoParserError extends Error {
+  /**
+   * @param message {string}
+   * @param line {number}
+   * @param column {number}
+   * @param source {string}
+   * @param file {void | string}
+   */
+  constructor(message, line, column, source, file) {
+    super(message);
+    this.name = 'SvgoParserError';
+    this.message = `${file || '<input>'}:${line}:${column}: ${message}`;
+    this.reason = message;
+    this.line = line;
+    this.column = column;
+    this.source = source;
+    if (Error.captureStackTrace) {
+      Error.captureStackTrace(this, SvgoParserError);
+    }
+  }
+  toString() {
+    const lines = this.source.split(/\r?\n/);
+    const startLine = Math.max(this.line - 3, 0);
+    const endLine = Math.min(this.line + 2, lines.length);
+    const lineNumberWidth = String(endLine).length;
+    const startColumn = Math.max(this.column - 54, 0);
+    const endColumn = Math.max(this.column + 20, 80);
+    const code = lines
+      .slice(startLine, endLine)
+      .map((line, index) => {
+        const lineSlice = line.slice(startColumn, endColumn);
+        let ellipsisPrefix = '';
+        let ellipsisSuffix = '';
+        if (startColumn !== 0) {
+          ellipsisPrefix = startColumn > line.length - 1 ? ' ' : '…';
+        }
+        if (endColumn < line.length - 1) {
+          ellipsisSuffix = '…';
+        }
+        const number = startLine + 1 + index;
+        const gutter = ` ${number.toString().padStart(lineNumberWidth)} | `;
+        if (number === this.line) {
+          const gutterSpacing = gutter.replace(/[^|]/g, ' ');
+          const lineSpacing = (
+            ellipsisPrefix + line.slice(startColumn, this.column - 1)
+          ).replace(/[^\t]/g, ' ');
+          const spacing = gutterSpacing + lineSpacing;
+          return `>${gutter}${ellipsisPrefix}${lineSlice}${ellipsisSuffix}\n ${spacing}^`;
+        }
+        return ` ${gutter}${ellipsisPrefix}${lineSlice}${ellipsisSuffix}`;
+      })
+      .join('\n');
+    return `${this.name}: ${this.message}\n\n${code}\n`;
+  }
+}
+
+const entityDeclaration = /<!ENTITY\s+(\S+)\s+(?:'([^']+)'|"([^"]+)")\s*>/g;
+
+const config = {
+  strict: true,
+  trim: false,
+  normalize: false,
+  lowercase: true,
+  xmlns: true,
+  position: true,
+};
+
+/**
+ * Convert SVG (XML) string to SVG-as-JS object.
+ */
+const parseSvg = (data, from) => {
+  const sax = SAX.parser(config.strict, config);
+  const root = { type: 'root', children: [] };
+  let current = root;
+  const stack = [root];
+
+  const pushToContent = (node) => {
+    // TODO remove legacy parentNode in v4
+    Object.defineProperty(node, 'parentNode', {
+      writable: true,
+      value: current,
+    });
+    current.children.push(node);
+  };
+
+  sax.ondoctype = (doctype) => {
+    const node = {
+      type: 'doctype',
+      // TODO parse doctype for name, public and system to match xast
+      name: 'svg',
+      data: {
+        doctype,
+      },
+    };
+    pushToContent(node);
+    const subsetStart = doctype.indexOf('[');
+    if (subsetStart >= 0) {
+      entityDeclaration.lastIndex = subsetStart;
+      let entityMatch = entityDeclaration.exec(data);
+      while (entityMatch != null) {
+        sax.ENTITIES[entityMatch[1]] = entityMatch[2] || entityMatch[3];
+        entityMatch = entityDeclaration.exec(data);
+      }
+    }
+  };
+
+  sax.onprocessinginstruction = (data) => {
+    const node = {
+      type: 'instruction',
+      name: data.name,
+      value: data.body,
+    };
+    pushToContent(node);
+  };
+
+  sax.oncomment = (comment) => {
+    const node = {
+      type: 'comment',
+      value: comment.trim(),
+    };
+    pushToContent(node);
+  };
+
+  sax.oncdata = (cdata) => {
+    const node = {
+      type: 'cdata',
+      value: cdata,
+    };
+    pushToContent(node);
+  };
+
+  sax.onopentag = (data) => {
+    let element = {
+      type: 'element',
+      name: data.name,
+      attributes: {},
+      children: [],
+    };
+    for (const [name, attr] of Object.entries(data.attributes)) {
+      element.attributes[name] = attr.value;
+    }
+    pushToContent(element);
+    current = element;
+    stack.push(element);
+  };
+
+  sax.ontext = (text) => {
+    if (current.type === 'element') {
+      // prevent trimming of meaningful whitespace inside textual tags
+      if (textElems.includes(current.name)) {
+        const node = {
+          type: 'text',
+          value: text,
+        };
+        pushToContent(node);
+      } else if (/\S/.test(text)) {
+        const node = {
+          type: 'text',
+          value: text.trim(),
+        };
+        pushToContent(node);
+      }
+    }
+  };
+
+  sax.onclosetag = () => {
+    stack.pop();
+    current = stack[stack.length - 1];
+  };
+
+  sax.onerror = (e) => {
+    const error = new SvgoParserError(
+      e.reason,
+      e.line + 1,
+      e.column,
+      data,
+      from,
+    );
+    if (e.message.indexOf('Unexpected end') === -1) {
+      throw error;
+    }
+  };
+
+  sax.write(data).close();
+  return root;
+};
+exports.parseSvg = parseSvg;
+
+},{"./plugins/_collections.js":325,"@trysound/sax":1}],323:[function(require,module,exports){
+'use strict';
+
+const { removeLeadingZero } = require('./tools.js');
+
+// Based on https://www.w3.org/TR/SVG11/paths.html#PathDataBNF
+
+const argsCountPerCommand = {
+  M: 2,
+  m: 2,
+  Z: 0,
+  z: 0,
+  L: 2,
+  l: 2,
+  H: 1,
+  h: 1,
+  V: 1,
+  v: 1,
+  C: 6,
+  c: 6,
+  S: 4,
+  s: 4,
+  Q: 4,
+  q: 4,
+  T: 2,
+  t: 2,
+  A: 7,
+  a: 7,
+};
+
+const isCommand = (c) => {
+  return c in argsCountPerCommand;
+};
+
+const isWsp = (c) => {
+  const codePoint = c.codePointAt(0);
+  return (
+    codePoint === 0x20 ||
+    codePoint === 0x9 ||
+    codePoint === 0xd ||
+    codePoint === 0xa
+  );
+};
+
+const isDigit = (c) => {
+  const codePoint = c.codePointAt(0);
+  if (codePoint == null) {
+    return false;
+  }
+  return 48 <= codePoint && codePoint <= 57;
+};
+
+const readNumber = (string, cursor) => {
+  let i = cursor;
+  let value = '';
+  let state = ('none');
+  for (; i < string.length; i += 1) {
+    const c = string[i];
+    if (c === '+' || c === '-') {
+      if (state === 'none') {
+        state = 'sign';
+        value += c;
+        continue;
+      }
+      if (state === 'e') {
+        state = 'exponent_sign';
+        value += c;
+        continue;
+      }
+    }
+    if (isDigit(c)) {
+      if (state === 'none' || state === 'sign' || state === 'whole') {
+        state = 'whole';
+        value += c;
+        continue;
+      }
+      if (state === 'decimal_point' || state === 'decimal') {
+        state = 'decimal';
+        value += c;
+        continue;
+      }
+      if (state === 'e' || state === 'exponent_sign' || state === 'exponent') {
+        state = 'exponent';
+        value += c;
+        continue;
+      }
+    }
+    if (c === '.') {
+      if (state === 'none' || state === 'sign' || state === 'whole') {
+        state = 'decimal_point';
+        value += c;
+        continue;
+      }
+    }
+    if (c === 'E' || c == 'e') {
+      if (
+        state === 'whole' ||
+        state === 'decimal_point' ||
+        state === 'decimal'
+      ) {
+        state = 'e';
+        value += c;
+        continue;
+      }
+    }
+    break;
+  }
+  const number = Number.parseFloat(value);
+  if (Number.isNaN(number)) {
+    return [cursor, null];
+  } else {
+    // step back to delegate iteration to parent loop
+    return [i - 1, number];
+  }
+};
+
+const parsePathData = (string) => {
+  const pathData = [];
+  let command = null;
+  let args = ([]);
+  let argsCount = 0;
+  let canHaveComma = false;
+  let hadComma = false;
+  for (let i = 0; i < string.length; i += 1) {
+    const c = string.charAt(i);
+    if (isWsp(c)) {
+      continue;
+    }
+    // allow comma only between arguments
+    if (canHaveComma && c === ',') {
+      if (hadComma) {
+        break;
+      }
+      hadComma = true;
+      continue;
+    }
+    if (isCommand(c)) {
+      if (hadComma) {
+        return pathData;
+      }
+      if (command == null) {
+        // moveto should be leading command
+        if (c !== 'M' && c !== 'm') {
+          return pathData;
+        }
+      } else {
+        // stop if previous command arguments are not flushed
+        if (args.length !== 0) {
+          return pathData;
+        }
+      }
+      command = c;
+      args = [];
+      argsCount = argsCountPerCommand[command];
+      canHaveComma = false;
+      // flush command without arguments
+      if (argsCount === 0) {
+        pathData.push({ command, args });
+      }
+      continue;
+    }
+    // avoid parsing arguments if no command detected
+    if (command == null) {
+      return pathData;
+    }
+    // read next argument
+    let newCursor = i;
+    let number = null;
+    if (command === 'A' || command === 'a') {
+      const position = args.length;
+      if (position === 0 || position === 1) {
+        // allow only positive number without sign as first two arguments
+        if (c !== '+' && c !== '-') {
+          [newCursor, number] = readNumber(string, i);
+        }
+      }
+      if (position === 2 || position === 5 || position === 6) {
+        [newCursor, number] = readNumber(string, i);
+      }
+      if (position === 3 || position === 4) {
+        // read flags
+        if (c === '0') {
+          number = 0;
+        }
+        if (c === '1') {
+          number = 1;
+        }
+      }
+    } else {
+      [newCursor, number] = readNumber(string, i);
+    }
+    if (number == null) {
+      return pathData;
+    }
+    args.push(number);
+    canHaveComma = true;
+    hadComma = false;
+    i = newCursor;
+    // flush arguments when necessary count is reached
+    if (args.length === argsCount) {
+      pathData.push({ command, args });
+      // subsequent moveto coordinates are threated as implicit lineto commands
+      if (command === 'M') {
+        command = 'L';
+      }
+      if (command === 'm') {
+        command = 'l';
+      }
+      args = [];
+    }
+  }
+  return pathData;
+};
+exports.parsePathData = parsePathData;
+
+const stringifyNumber = (number, precision) => {
+  if (precision != null) {
+    const ratio = 10 ** precision;
+    number = Math.round(number * ratio) / ratio;
+  }
+  // remove zero whole from decimal number
+  return removeLeadingZero(number);
+};
+
+/**
+ * Elliptical arc large-arc and sweep flags are rendered with spaces
+ * because many non-browser environments are not able to parse such paths
+ */
+const stringifyArgs = (command, args, precision, disableSpaceAfterFlags) => {
+  let result = '';
+  let prev = '';
+  for (let i = 0; i < args.length; i += 1) {
+    const number = args[i];
+    const numberString = stringifyNumber(number, precision);
+    if (
+      disableSpaceAfterFlags &&
+      (command === 'A' || command === 'a') &&
+      // consider combined arcs
+      (i % 7 === 4 || i % 7 === 5)
+    ) {
+      result += numberString;
+    } else if (i === 0 || numberString.startsWith('-')) {
+      // avoid space before first and negative numbers
+      result += numberString;
+    } else if (prev.includes('.') && numberString.startsWith('.')) {
+      // remove space before decimal with zero whole
+      // only when previous number is also decimal
+      result += numberString;
+    } else {
+      result += ` ${numberString}`;
+    }
+    prev = numberString;
+  }
+  return result;
+};
+
+const stringifyPathData = ({ pathData, precision, disableSpaceAfterFlags }) => {
+  // combine sequence of the same commands
+  let combined = [];
+  for (let i = 0; i < pathData.length; i += 1) {
+    const { command, args } = pathData[i];
+    if (i === 0) {
+      combined.push({ command, args });
+    } else {
+      const last = combined[combined.length - 1];
+      // match leading moveto with following lineto
+      if (i === 1) {
+        if (command === 'L') {
+          last.command = 'M';
+        }
+        if (command === 'l') {
+          last.command = 'm';
+        }
+      }
+      if (
+        (last.command === command &&
+          last.command !== 'M' &&
+          last.command !== 'm') ||
+        // combine matching moveto and lineto sequences
+        (last.command === 'M' && command === 'L') ||
+        (last.command === 'm' && command === 'l')
+      ) {
+        last.args = [...last.args, ...args];
+      } else {
+        combined.push({ command, args });
+      }
+    }
+  }
+  let result = '';
+  for (const { command, args } of combined) {
+    result +=
+      command + stringifyArgs(command, args, precision, disableSpaceAfterFlags);
+  }
+  return result;
+};
+exports.stringifyPathData = stringifyPathData;
+
+},{"./tools.js":383}],324:[function(require,module,exports){
+'use strict';
+
+const { builtin } = require('./builtin.js');
+
+const isPlainObject = require("lodash/isPlainObject");
+const isString = require("lodash/isString");
+
+const pluginsMap = {};
+for (const plugin of builtin) {
+  pluginsMap[plugin.name] = plugin;
+}
+
+function resolvePlugin(plugin) {
+  if (typeof plugin === 'string') {
+    // resolve builtin plugin specified as string
+    const builtinPlugin = pluginsMap[plugin];
+    if (builtinPlugin == null) {
+      throw Error(`Unknown builtin plugin "${plugin}" specified.`);
+    }
+    return {
+      name: plugin,
+      params: {},
+      fn: builtinPlugin.fn,
+    };
+  }
+  if (isPlainObject(plugin)) {
+    if (!isString(plugin.name)) {
+      throw Error(`Plugin name should be specified`);
+    }
+    // use custom plugin implementation
+    let fn = plugin.fn;
+    if (fn == null) {
+      // resolve builtin plugin implementation
+      const builtinPlugin = pluginsMap[plugin.name];
+      if (builtinPlugin == null) {
+        throw Error(`Unknown builtin plugin "${plugin.name}" specified.`);
+      }
+      fn = builtinPlugin.fn;
+    }
+    return {
+      name: plugin.name,
+      params: plugin.params,
+      fn,
+    };
+  }
+  return null;
+}
+
+exports.resolvePlugin = resolvePlugin;
+
+},{"./builtin.js":320,"lodash/isPlainObject":308,"lodash/isString":309}],325:[function(require,module,exports){
+'use strict';
+
+// https://www.w3.org/TR/SVG11/intro.html#Definitions
+
+exports.elemsGroups = {
+  animation: [
+    'animate',
+    'animateColor',
+    'animateMotion',
+    'animateTransform',
+    'set',
+  ],
+  descriptive: ['desc', 'metadata', 'title'],
+  shape: ['circle', 'ellipse', 'line', 'path', 'polygon', 'polyline', 'rect'],
+  structural: ['defs', 'g', 'svg', 'symbol', 'use'],
+  paintServer: [
+    'solidColor',
+    'linearGradient',
+    'radialGradient',
+    'meshGradient',
+    'pattern',
+    'hatch',
+  ],
+  nonRendering: [
+    'linearGradient',
+    'radialGradient',
+    'pattern',
+    'clipPath',
+    'mask',
+    'marker',
+    'symbol',
+    'filter',
+    'solidColor',
+  ],
+  container: [
+    'a',
+    'defs',
+    'g',
+    'marker',
+    'mask',
+    'missing-glyph',
+    'pattern',
+    'svg',
+    'switch',
+    'symbol',
+    'foreignObject',
+  ],
+  textContent: [
+    'altGlyph',
+    'altGlyphDef',
+    'altGlyphItem',
+    'glyph',
+    'glyphRef',
+    'textPath',
+    'text',
+    'tref',
+    'tspan',
+  ],
+  textContentChild: ['altGlyph', 'textPath', 'tref', 'tspan'],
+  lightSource: [
+    'feDiffuseLighting',
+    'feSpecularLighting',
+    'feDistantLight',
+    'fePointLight',
+    'feSpotLight',
+  ],
+  filterPrimitive: [
+    'feBlend',
+    'feColorMatrix',
+    'feComponentTransfer',
+    'feComposite',
+    'feConvolveMatrix',
+    'feDiffuseLighting',
+    'feDisplacementMap',
+    'feDropShadow',
+    'feFlood',
+    'feFuncA',
+    'feFuncB',
+    'feFuncG',
+    'feFuncR',
+    'feGaussianBlur',
+    'feImage',
+    'feMerge',
+    'feMergeNode',
+    'feMorphology',
+    'feOffset',
+    'feSpecularLighting',
+    'feTile',
+    'feTurbulence',
+  ],
+};
+
+exports.textElems = exports.elemsGroups.textContent.concat('title');
+
+exports.pathElems = ['path', 'glyph', 'missing-glyph'];
+
+// https://www.w3.org/TR/SVG11/intro.html#Definitions
+exports.attrsGroups = {
+  animationAddition: ['additive', 'accumulate'],
+  animationAttributeTarget: ['attributeType', 'attributeName'],
+  animationEvent: ['onbegin', 'onend', 'onrepeat', 'onload'],
+  animationTiming: [
+    'begin',
+    'dur',
+    'end',
+    'min',
+    'max',
+    'restart',
+    'repeatCount',
+    'repeatDur',
+    'fill',
+  ],
+  animationValue: [
+    'calcMode',
+    'values',
+    'keyTimes',
+    'keySplines',
+    'from',
+    'to',
+    'by',
+  ],
+  conditionalProcessing: [
+    'requiredFeatures',
+    'requiredExtensions',
+    'systemLanguage',
+  ],
+  core: ['id', 'tabindex', 'xml:base', 'xml:lang', 'xml:space'],
+  graphicalEvent: [
+    'onfocusin',
+    'onfocusout',
+    'onactivate',
+    'onclick',
+    'onmousedown',
+    'onmouseup',
+    'onmouseover',
+    'onmousemove',
+    'onmouseout',
+    'onload',
+  ],
+  presentation: [
+    'alignment-baseline',
+    'baseline-shift',
+    'clip',
+    'clip-path',
+    'clip-rule',
+    'color',
+    'color-interpolation',
+    'color-interpolation-filters',
+    'color-profile',
+    'color-rendering',
+    'cursor',
+    'direction',
+    'display',
+    'dominant-baseline',
+    'enable-background',
+    'fill',
+    'fill-opacity',
+    'fill-rule',
+    'filter',
+    'flood-color',
+    'flood-opacity',
+    'font-family',
+    'font-size',
+    'font-size-adjust',
+    'font-stretch',
+    'font-style',
+    'font-variant',
+    'font-weight',
+    'glyph-orientation-horizontal',
+    'glyph-orientation-vertical',
+    'image-rendering',
+    'letter-spacing',
+    'lighting-color',
+    'marker-end',
+    'marker-mid',
+    'marker-start',
+    'mask',
+    'opacity',
+    'overflow',
+    'paint-order',
+    'pointer-events',
+    'shape-rendering',
+    'stop-color',
+    'stop-opacity',
+    'stroke',
+    'stroke-dasharray',
+    'stroke-dashoffset',
+    'stroke-linecap',
+    'stroke-linejoin',
+    'stroke-miterlimit',
+    'stroke-opacity',
+    'stroke-width',
+    'text-anchor',
+    'text-decoration',
+    'text-overflow',
+    'text-rendering',
+    'transform',
+    'transform-origin',
+    'unicode-bidi',
+    'vector-effect',
+    'visibility',
+    'word-spacing',
+    'writing-mode',
+  ],
+  xlink: [
+    'xlink:href',
+    'xlink:show',
+    'xlink:actuate',
+    'xlink:type',
+    'xlink:role',
+    'xlink:arcrole',
+    'xlink:title',
+  ],
+  documentEvent: [
+    'onunload',
+    'onabort',
+    'onerror',
+    'onresize',
+    'onscroll',
+    'onzoom',
+  ],
+  filterPrimitive: ['x', 'y', 'width', 'height', 'result'],
+  transferFunction: [
+    'type',
+    'tableValues',
+    'slope',
+    'intercept',
+    'amplitude',
+    'exponent',
+    'offset',
+  ],
+};
+
+exports.attrsGroupsDefaults = {
+  core: { 'xml:space': 'default' },
+  presentation: {
+    clip: 'auto',
+    'clip-path': 'none',
+    'clip-rule': 'nonzero',
+    mask: 'none',
+    opacity: '1',
+    'stop-color': '#000',
+    'stop-opacity': '1',
+    'fill-opacity': '1',
+    'fill-rule': 'nonzero',
+    fill: '#000',
+    stroke: 'none',
+    'stroke-width': '1',
+    'stroke-linecap': 'butt',
+    'stroke-linejoin': 'miter',
+    'stroke-miterlimit': '4',
+    'stroke-dasharray': 'none',
+    'stroke-dashoffset': '0',
+    'stroke-opacity': '1',
+    'paint-order': 'normal',
+    'vector-effect': 'none',
+    display: 'inline',
+    visibility: 'visible',
+    'marker-start': 'none',
+    'marker-mid': 'none',
+    'marker-end': 'none',
+    'color-interpolation': 'sRGB',
+    'color-interpolation-filters': 'linearRGB',
+    'color-rendering': 'auto',
+    'shape-rendering': 'auto',
+    'text-rendering': 'auto',
+    'image-rendering': 'auto',
+    'font-style': 'normal',
+    'font-variant': 'normal',
+    'font-weight': 'normal',
+    'font-stretch': 'normal',
+    'font-size': 'medium',
+    'font-size-adjust': 'none',
+    kerning: 'auto',
+    'letter-spacing': 'normal',
+    'word-spacing': 'normal',
+    'text-decoration': 'none',
+    'text-anchor': 'start',
+    'text-overflow': 'clip',
+    'writing-mode': 'lr-tb',
+    'glyph-orientation-vertical': 'auto',
+    'glyph-orientation-horizontal': '0deg',
+    direction: 'ltr',
+    'unicode-bidi': 'normal',
+    'dominant-baseline': 'auto',
+    'alignment-baseline': 'baseline',
+    'baseline-shift': 'baseline',
+  },
+  transferFunction: {
+    slope: '1',
+    intercept: '0',
+    amplitude: '1',
+    exponent: '1',
+    offset: '0',
+  },
+};
+
+// https://www.w3.org/TR/SVG11/eltindex.html
+exports.elems = {
+  a: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+      'xlink',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'target',
+    ],
+    defaults: {
+      target: '_self',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+      // not spec compliant
+      'tspan',
+    ],
+  },
+  altGlyph: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+      'xlink',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'x',
+      'y',
+      'dx',
+      'dy',
+      'glyphRef',
+      'format',
+      'rotate',
+    ],
+  },
+  altGlyphDef: {
+    attrsGroups: ['core'],
+    content: ['glyphRef'],
+  },
+  altGlyphItem: {
+    attrsGroups: ['core'],
+    content: ['glyphRef', 'altGlyphItem'],
+  },
+  animate: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'animationAddition',
+      'animationAttributeTarget',
+      'animationEvent',
+      'animationTiming',
+      'animationValue',
+      'presentation',
+      'xlink',
+    ],
+    attrs: ['externalResourcesRequired'],
+    contentGroups: ['descriptive'],
+  },
+  animateColor: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'animationEvent',
+      'xlink',
+      'animationAttributeTarget',
+      'animationTiming',
+      'animationValue',
+      'animationAddition',
+      'presentation',
+    ],
+    attrs: ['externalResourcesRequired'],
+    contentGroups: ['descriptive'],
+  },
+  animateMotion: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'animationEvent',
+      'xlink',
+      'animationTiming',
+      'animationValue',
+      'animationAddition',
+    ],
+    attrs: [
+      'externalResourcesRequired',
+      'path',
+      'keyPoints',
+      'rotate',
+      'origin',
+    ],
+    defaults: {
+      rotate: '0',
+    },
+    contentGroups: ['descriptive'],
+    content: ['mpath'],
+  },
+  animateTransform: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'animationEvent',
+      'xlink',
+      'animationAttributeTarget',
+      'animationTiming',
+      'animationValue',
+      'animationAddition',
+    ],
+    attrs: ['externalResourcesRequired', 'type'],
+    contentGroups: ['descriptive'],
+  },
+  circle: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'cx',
+      'cy',
+      'r',
+    ],
+    defaults: {
+      cx: '0',
+      cy: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  clipPath: {
+    attrsGroups: ['conditionalProcessing', 'core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'clipPathUnits',
+    ],
+    defaults: {
+      clipPathUnits: 'userSpaceOnUse',
+    },
+    contentGroups: ['animation', 'descriptive', 'shape'],
+    content: ['text', 'use'],
+  },
+  'color-profile': {
+    attrsGroups: ['core', 'xlink'],
+    attrs: ['local', 'name', 'rendering-intent'],
+    defaults: {
+      name: 'sRGB',
+      'rendering-intent': 'auto',
+    },
+    contentGroups: ['descriptive'],
+  },
+  cursor: {
+    attrsGroups: ['core', 'conditionalProcessing', 'xlink'],
+    attrs: ['externalResourcesRequired', 'x', 'y'],
+    defaults: {
+      x: '0',
+      y: '0',
+    },
+    contentGroups: ['descriptive'],
+  },
+  defs: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: ['class', 'style', 'externalResourcesRequired', 'transform'],
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  desc: {
+    attrsGroups: ['core'],
+    attrs: ['class', 'style'],
+  },
+  ellipse: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'cx',
+      'cy',
+      'rx',
+      'ry',
+    ],
+    defaults: {
+      cx: '0',
+      cy: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  feBlend: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      // TODO: in - 'If no value is provided and this is the first filter primitive,
+      // then this filter primitive will use SourceGraphic as its input'
+      'in',
+      'in2',
+      'mode',
+    ],
+    defaults: {
+      mode: 'normal',
+    },
+    content: ['animate', 'set'],
+  },
+  feColorMatrix: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in', 'type', 'values'],
+    defaults: {
+      type: 'matrix',
+    },
+    content: ['animate', 'set'],
+  },
+  feComponentTransfer: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in'],
+    content: ['feFuncA', 'feFuncB', 'feFuncG', 'feFuncR'],
+  },
+  feComposite: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in', 'in2', 'operator', 'k1', 'k2', 'k3', 'k4'],
+    defaults: {
+      operator: 'over',
+      k1: '0',
+      k2: '0',
+      k3: '0',
+      k4: '0',
+    },
+    content: ['animate', 'set'],
+  },
+  feConvolveMatrix: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      'in',
+      'order',
+      'kernelMatrix',
+      // TODO: divisor - 'The default value is the sum of all values in kernelMatrix,
+      // with the exception that if the sum is zero, then the divisor is set to 1'
+      'divisor',
+      'bias',
+      // TODO: targetX - 'By default, the convolution matrix is centered in X over each
+      // pixel of the input image (i.e., targetX = floor ( orderX / 2 ))'
+      'targetX',
+      'targetY',
+      'edgeMode',
+      // TODO: kernelUnitLength - 'The first number is the <dx> value. The second number
+      // is the <dy> value. If the <dy> value is not specified, it defaults to the same value as <dx>'
+      'kernelUnitLength',
+      'preserveAlpha',
+    ],
+    defaults: {
+      order: '3',
+      bias: '0',
+      edgeMode: 'duplicate',
+      preserveAlpha: 'false',
+    },
+    content: ['animate', 'set'],
+  },
+  feDiffuseLighting: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      'in',
+      'surfaceScale',
+      'diffuseConstant',
+      'kernelUnitLength',
+    ],
+    defaults: {
+      surfaceScale: '1',
+      diffuseConstant: '1',
+    },
+    contentGroups: ['descriptive'],
+    content: [
+      // TODO: 'exactly one light source element, in any order'
+      'feDistantLight',
+      'fePointLight',
+      'feSpotLight',
+    ],
+  },
+  feDisplacementMap: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      'in',
+      'in2',
+      'scale',
+      'xChannelSelector',
+      'yChannelSelector',
+    ],
+    defaults: {
+      scale: '0',
+      xChannelSelector: 'A',
+      yChannelSelector: 'A',
+    },
+    content: ['animate', 'set'],
+  },
+  feDistantLight: {
+    attrsGroups: ['core'],
+    attrs: ['azimuth', 'elevation'],
+    defaults: {
+      azimuth: '0',
+      elevation: '0',
+    },
+    content: ['animate', 'set'],
+  },
+  feFlood: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style'],
+    content: ['animate', 'animateColor', 'set'],
+  },
+  feFuncA: {
+    attrsGroups: ['core', 'transferFunction'],
+    content: ['set', 'animate'],
+  },
+  feFuncB: {
+    attrsGroups: ['core', 'transferFunction'],
+    content: ['set', 'animate'],
+  },
+  feFuncG: {
+    attrsGroups: ['core', 'transferFunction'],
+    content: ['set', 'animate'],
+  },
+  feFuncR: {
+    attrsGroups: ['core', 'transferFunction'],
+    content: ['set', 'animate'],
+  },
+  feGaussianBlur: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in', 'stdDeviation'],
+    defaults: {
+      stdDeviation: '0',
+    },
+    content: ['set', 'animate'],
+  },
+  feImage: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'preserveAspectRatio',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      preserveAspectRatio: 'xMidYMid meet',
+    },
+    content: ['animate', 'animateTransform', 'set'],
+  },
+  feMerge: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style'],
+    content: ['feMergeNode'],
+  },
+  feMergeNode: {
+    attrsGroups: ['core'],
+    attrs: ['in'],
+    content: ['animate', 'set'],
+  },
+  feMorphology: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in', 'operator', 'radius'],
+    defaults: {
+      operator: 'erode',
+      radius: '0',
+    },
+    content: ['animate', 'set'],
+  },
+  feOffset: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in', 'dx', 'dy'],
+    defaults: {
+      dx: '0',
+      dy: '0',
+    },
+    content: ['animate', 'set'],
+  },
+  fePointLight: {
+    attrsGroups: ['core'],
+    attrs: ['x', 'y', 'z'],
+    defaults: {
+      x: '0',
+      y: '0',
+      z: '0',
+    },
+    content: ['animate', 'set'],
+  },
+  feSpecularLighting: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      'in',
+      'surfaceScale',
+      'specularConstant',
+      'specularExponent',
+      'kernelUnitLength',
+    ],
+    defaults: {
+      surfaceScale: '1',
+      specularConstant: '1',
+      specularExponent: '1',
+    },
+    contentGroups: [
+      'descriptive',
+      // TODO: exactly one 'light source element'
+      'lightSource',
+    ],
+  },
+  feSpotLight: {
+    attrsGroups: ['core'],
+    attrs: [
+      'x',
+      'y',
+      'z',
+      'pointsAtX',
+      'pointsAtY',
+      'pointsAtZ',
+      'specularExponent',
+      'limitingConeAngle',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+      z: '0',
+      pointsAtX: '0',
+      pointsAtY: '0',
+      pointsAtZ: '0',
+      specularExponent: '1',
+    },
+    content: ['animate', 'set'],
+  },
+  feTile: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: ['class', 'style', 'in'],
+    content: ['animate', 'set'],
+  },
+  feTurbulence: {
+    attrsGroups: ['core', 'presentation', 'filterPrimitive'],
+    attrs: [
+      'class',
+      'style',
+      'baseFrequency',
+      'numOctaves',
+      'seed',
+      'stitchTiles',
+      'type',
+    ],
+    defaults: {
+      baseFrequency: '0',
+      numOctaves: '1',
+      seed: '0',
+      stitchTiles: 'noStitch',
+      type: 'turbulence',
+    },
+    content: ['animate', 'set'],
+  },
+  filter: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'x',
+      'y',
+      'width',
+      'height',
+      'filterRes',
+      'filterUnits',
+      'primitiveUnits',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      primitiveUnits: 'userSpaceOnUse',
+      x: '-10%',
+      y: '-10%',
+      width: '120%',
+      height: '120%',
+    },
+    contentGroups: ['descriptive', 'filterPrimitive'],
+    content: ['animate', 'set'],
+  },
+  font: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'horiz-origin-x',
+      'horiz-origin-y',
+      'horiz-adv-x',
+      'vert-origin-x',
+      'vert-origin-y',
+      'vert-adv-y',
+    ],
+    defaults: {
+      'horiz-origin-x': '0',
+      'horiz-origin-y': '0',
+    },
+    contentGroups: ['descriptive'],
+    content: ['font-face', 'glyph', 'hkern', 'missing-glyph', 'vkern'],
+  },
+  'font-face': {
+    attrsGroups: ['core'],
+    attrs: [
+      'font-family',
+      'font-style',
+      'font-variant',
+      'font-weight',
+      'font-stretch',
+      'font-size',
+      'unicode-range',
+      'units-per-em',
+      'panose-1',
+      'stemv',
+      'stemh',
+      'slope',
+      'cap-height',
+      'x-height',
+      'accent-height',
+      'ascent',
+      'descent',
+      'widths',
+      'bbox',
+      'ideographic',
+      'alphabetic',
+      'mathematical',
+      'hanging',
+      'v-ideographic',
+      'v-alphabetic',
+      'v-mathematical',
+      'v-hanging',
+      'underline-position',
+      'underline-thickness',
+      'strikethrough-position',
+      'strikethrough-thickness',
+      'overline-position',
+      'overline-thickness',
+    ],
+    defaults: {
+      'font-style': 'all',
+      'font-variant': 'normal',
+      'font-weight': 'all',
+      'font-stretch': 'normal',
+      'unicode-range': 'U+0-10FFFF',
+      'units-per-em': '1000',
+      'panose-1': '0 0 0 0 0 0 0 0 0 0',
+      slope: '0',
+    },
+    contentGroups: ['descriptive'],
+    content: [
+      // TODO: "at most one 'font-face-src' element"
+      'font-face-src',
+    ],
+  },
+  // TODO: empty content
+  'font-face-format': {
+    attrsGroups: ['core'],
+    attrs: ['string'],
+  },
+  'font-face-name': {
+    attrsGroups: ['core'],
+    attrs: ['name'],
+  },
+  'font-face-src': {
+    attrsGroups: ['core'],
+    content: ['font-face-name', 'font-face-uri'],
+  },
+  'font-face-uri': {
+    attrsGroups: ['core', 'xlink'],
+    attrs: ['href', 'xlink:href'],
+    content: ['font-face-format'],
+  },
+  foreignObject: {
+    attrsGroups: [
+      'core',
+      'conditionalProcessing',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'x',
+      'y',
+      'width',
+      'height',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+    },
+  },
+  g: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: ['class', 'style', 'externalResourcesRequired', 'transform'],
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  glyph: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'd',
+      'horiz-adv-x',
+      'vert-origin-x',
+      'vert-origin-y',
+      'vert-adv-y',
+      'unicode',
+      'glyph-name',
+      'orientation',
+      'arabic-form',
+      'lang',
+    ],
+    defaults: {
+      'arabic-form': 'initial',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  glyphRef: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'd',
+      'horiz-adv-x',
+      'vert-origin-x',
+      'vert-origin-y',
+      'vert-adv-y',
+    ],
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  hatch: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'x',
+      'y',
+      'pitch',
+      'rotate',
+      'hatchUnits',
+      'hatchContentUnits',
+      'transform',
+    ],
+    defaults: {
+      hatchUnits: 'objectBoundingBox',
+      hatchContentUnits: 'userSpaceOnUse',
+      x: '0',
+      y: '0',
+      pitch: '0',
+      rotate: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+    content: ['hatchPath'],
+  },
+  hatchPath: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: ['class', 'style', 'd', 'offset'],
+    defaults: {
+      offset: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  hkern: {
+    attrsGroups: ['core'],
+    attrs: ['u1', 'g1', 'u2', 'g2', 'k'],
+  },
+  image: {
+    attrsGroups: [
+      'core',
+      'conditionalProcessing',
+      'graphicalEvent',
+      'xlink',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'preserveAspectRatio',
+      'transform',
+      'x',
+      'y',
+      'width',
+      'height',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+      preserveAspectRatio: 'xMidYMid meet',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  line: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'x1',
+      'y1',
+      'x2',
+      'y2',
+    ],
+    defaults: {
+      x1: '0',
+      y1: '0',
+      x2: '0',
+      y2: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  linearGradient: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'x1',
+      'y1',
+      'x2',
+      'y2',
+      'gradientUnits',
+      'gradientTransform',
+      'spreadMethod',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      x1: '0',
+      y1: '0',
+      x2: '100%',
+      y2: '0',
+      spreadMethod: 'pad',
+    },
+    contentGroups: ['descriptive'],
+    content: ['animate', 'animateTransform', 'set', 'stop'],
+  },
+  marker: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'viewBox',
+      'preserveAspectRatio',
+      'refX',
+      'refY',
+      'markerUnits',
+      'markerWidth',
+      'markerHeight',
+      'orient',
+    ],
+    defaults: {
+      markerUnits: 'strokeWidth',
+      refX: '0',
+      refY: '0',
+      markerWidth: '3',
+      markerHeight: '3',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  mask: {
+    attrsGroups: ['conditionalProcessing', 'core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'x',
+      'y',
+      'width',
+      'height',
+      'mask-type',
+      'maskUnits',
+      'maskContentUnits',
+    ],
+    defaults: {
+      maskUnits: 'objectBoundingBox',
+      maskContentUnits: 'userSpaceOnUse',
+      x: '-10%',
+      y: '-10%',
+      width: '120%',
+      height: '120%',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  metadata: {
+    attrsGroups: ['core'],
+  },
+  'missing-glyph': {
+    attrsGroups: ['core', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'd',
+      'horiz-adv-x',
+      'vert-origin-x',
+      'vert-origin-y',
+      'vert-adv-y',
+    ],
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  mpath: {
+    attrsGroups: ['core', 'xlink'],
+    attrs: ['externalResourcesRequired', 'href', 'xlink:href'],
+    contentGroups: ['descriptive'],
+  },
+  path: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'd',
+      'pathLength',
+    ],
+    contentGroups: ['animation', 'descriptive'],
+  },
+  pattern: {
+    attrsGroups: ['conditionalProcessing', 'core', 'presentation', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'viewBox',
+      'preserveAspectRatio',
+      'x',
+      'y',
+      'width',
+      'height',
+      'patternUnits',
+      'patternContentUnits',
+      'patternTransform',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      patternUnits: 'objectBoundingBox',
+      patternContentUnits: 'userSpaceOnUse',
+      x: '0',
+      y: '0',
+      width: '0',
+      height: '0',
+      preserveAspectRatio: 'xMidYMid meet',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'paintServer',
+      'shape',
+      'structural',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  polygon: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'points',
+    ],
+    contentGroups: ['animation', 'descriptive'],
+  },
+  polyline: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'points',
+    ],
+    contentGroups: ['animation', 'descriptive'],
+  },
+  radialGradient: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'cx',
+      'cy',
+      'r',
+      'fx',
+      'fy',
+      'fr',
+      'gradientUnits',
+      'gradientTransform',
+      'spreadMethod',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      gradientUnits: 'objectBoundingBox',
+      cx: '50%',
+      cy: '50%',
+      r: '50%',
+    },
+    contentGroups: ['descriptive'],
+    content: ['animate', 'animateTransform', 'set', 'stop'],
+  },
+  meshGradient: {
+    attrsGroups: ['core', 'presentation', 'xlink'],
+    attrs: ['class', 'style', 'x', 'y', 'gradientUnits', 'transform'],
+    contentGroups: ['descriptive', 'paintServer', 'animation'],
+    content: ['meshRow'],
+  },
+  meshRow: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: ['class', 'style'],
+    contentGroups: ['descriptive'],
+    content: ['meshPatch'],
+  },
+  meshPatch: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: ['class', 'style'],
+    contentGroups: ['descriptive'],
+    content: ['stop'],
+  },
+  rect: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'x',
+      'y',
+      'width',
+      'height',
+      'rx',
+      'ry',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  script: {
+    attrsGroups: ['core', 'xlink'],
+    attrs: ['externalResourcesRequired', 'type', 'href', 'xlink:href'],
+  },
+  set: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'animation',
+      'xlink',
+      'animationAttributeTarget',
+      'animationTiming',
+    ],
+    attrs: ['externalResourcesRequired', 'to'],
+    contentGroups: ['descriptive'],
+  },
+  solidColor: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: ['class', 'style'],
+    contentGroups: ['paintServer'],
+  },
+  stop: {
+    attrsGroups: ['core', 'presentation'],
+    attrs: ['class', 'style', 'offset', 'path'],
+    content: ['animate', 'animateColor', 'set'],
+  },
+  style: {
+    attrsGroups: ['core'],
+    attrs: ['type', 'media', 'title'],
+    defaults: {
+      type: 'text/css',
+    },
+  },
+  svg: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'documentEvent',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'x',
+      'y',
+      'width',
+      'height',
+      'viewBox',
+      'preserveAspectRatio',
+      'zoomAndPan',
+      'version',
+      'baseProfile',
+      'contentScriptType',
+      'contentStyleType',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+      width: '100%',
+      height: '100%',
+      preserveAspectRatio: 'xMidYMid meet',
+      zoomAndPan: 'magnify',
+      version: '1.1',
+      baseProfile: 'none',
+      contentScriptType: 'application/ecmascript',
+      contentStyleType: 'text/css',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  switch: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: ['class', 'style', 'externalResourcesRequired', 'transform'],
+    contentGroups: ['animation', 'descriptive', 'shape'],
+    content: [
+      'a',
+      'foreignObject',
+      'g',
+      'image',
+      'svg',
+      'switch',
+      'text',
+      'use',
+    ],
+  },
+  symbol: {
+    attrsGroups: ['core', 'graphicalEvent', 'presentation'],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'preserveAspectRatio',
+      'viewBox',
+      'refX',
+      'refY',
+    ],
+    defaults: {
+      refX: '0',
+      refY: '0',
+    },
+    contentGroups: [
+      'animation',
+      'descriptive',
+      'shape',
+      'structural',
+      'paintServer',
+    ],
+    content: [
+      'a',
+      'altGlyphDef',
+      'clipPath',
+      'color-profile',
+      'cursor',
+      'filter',
+      'font',
+      'font-face',
+      'foreignObject',
+      'image',
+      'marker',
+      'mask',
+      'pattern',
+      'script',
+      'style',
+      'switch',
+      'text',
+      'view',
+    ],
+  },
+  text: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'lengthAdjust',
+      'x',
+      'y',
+      'dx',
+      'dy',
+      'rotate',
+      'textLength',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+      lengthAdjust: 'spacing',
+    },
+    contentGroups: ['animation', 'descriptive', 'textContentChild'],
+    content: ['a'],
+  },
+  textPath: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+      'xlink',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'href',
+      'xlink:href',
+      'startOffset',
+      'method',
+      'spacing',
+      'd',
+    ],
+    defaults: {
+      startOffset: '0',
+      method: 'align',
+      spacing: 'exact',
+    },
+    contentGroups: ['descriptive'],
+    content: [
+      'a',
+      'altGlyph',
+      'animate',
+      'animateColor',
+      'set',
+      'tref',
+      'tspan',
+    ],
+  },
+  title: {
+    attrsGroups: ['core'],
+    attrs: ['class', 'style'],
+  },
+  tref: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+      'xlink',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'href',
+      'xlink:href',
+    ],
+    contentGroups: ['descriptive'],
+    content: ['animate', 'animateColor', 'set'],
+  },
+  tspan: {
+    attrsGroups: [
+      'conditionalProcessing',
+      'core',
+      'graphicalEvent',
+      'presentation',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'x',
+      'y',
+      'dx',
+      'dy',
+      'rotate',
+      'textLength',
+      'lengthAdjust',
+    ],
+    contentGroups: ['descriptive'],
+    content: [
+      'a',
+      'altGlyph',
+      'animate',
+      'animateColor',
+      'set',
+      'tref',
+      'tspan',
+    ],
+  },
+  use: {
+    attrsGroups: [
+      'core',
+      'conditionalProcessing',
+      'graphicalEvent',
+      'presentation',
+      'xlink',
+    ],
+    attrs: [
+      'class',
+      'style',
+      'externalResourcesRequired',
+      'transform',
+      'x',
+      'y',
+      'width',
+      'height',
+      'href',
+      'xlink:href',
+    ],
+    defaults: {
+      x: '0',
+      y: '0',
+    },
+    contentGroups: ['animation', 'descriptive'],
+  },
+  view: {
+    attrsGroups: ['core'],
+    attrs: [
+      'externalResourcesRequired',
+      'viewBox',
+      'preserveAspectRatio',
+      'zoomAndPan',
+      'viewTarget',
+    ],
+    contentGroups: ['descriptive'],
+  },
+  vkern: {
+    attrsGroups: ['core'],
+    attrs: ['u1', 'g1', 'u2', 'g2', 'k'],
+  },
+};
+
+// https://wiki.inkscape.org/wiki/index.php/Inkscape-specific_XML_attributes
+exports.editorNamespaces = [
+  'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd',
+  'http://inkscape.sourceforge.net/DTD/sodipodi-0.dtd',
+  'http://www.inkscape.org/namespaces/inkscape',
+  'http://www.bohemiancoding.com/sketch/ns',
+  'http://ns.adobe.com/AdobeIllustrator/10.0/',
+  'http://ns.adobe.com/Graphs/1.0/',
+  'http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/',
+  'http://ns.adobe.com/Variables/1.0/',
+  'http://ns.adobe.com/SaveForWeb/1.0/',
+  'http://ns.adobe.com/Extensibility/1.0/',
+  'http://ns.adobe.com/Flows/1.0/',
+  'http://ns.adobe.com/ImageReplacement/1.0/',
+  'http://ns.adobe.com/GenericCustomNamespace/1.0/',
+  'http://ns.adobe.com/XPath/1.0/',
+  'http://schemas.microsoft.com/visio/2003/SVGExtensions/',
+  'http://taptrix.com/vectorillustrator/svg_extensions',
+  'http://www.figma.com/figma/ns',
+  'http://purl.org/dc/elements/1.1/',
+  'http://creativecommons.org/ns#',
+  'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
+  'http://www.serif.com/',
+  'http://www.vector.evaxdesign.sk',
+];
+
+// https://www.w3.org/TR/SVG11/linking.html#processingIRI
+exports.referencesProps = [
+  'clip-path',
+  'color-profile',
+  'fill',
+  'filter',
+  'marker-start',
+  'marker-mid',
+  'marker-end',
+  'mask',
+  'stroke',
+  'style',
+];
+
+// https://www.w3.org/TR/SVG11/propidx.html
+exports.inheritableAttrs = [
+  'clip-rule',
+  'color',
+  'color-interpolation',
+  'color-interpolation-filters',
+  'color-profile',
+  'color-rendering',
+  'cursor',
+  'direction',
+  'dominant-baseline',
+  'fill',
+  'fill-opacity',
+  'fill-rule',
+  'font',
+  'font-family',
+  'font-size',
+  'font-size-adjust',
+  'font-stretch',
+  'font-style',
+  'font-variant',
+  'font-weight',
+  'glyph-orientation-horizontal',
+  'glyph-orientation-vertical',
+  'image-rendering',
+  'letter-spacing',
+  'marker',
+  'marker-end',
+  'marker-mid',
+  'marker-start',
+  'paint-order',
+  'pointer-events',
+  'shape-rendering',
+  'stroke',
+  'stroke-dasharray',
+  'stroke-dashoffset',
+  'stroke-linecap',
+  'stroke-linejoin',
+  'stroke-miterlimit',
+  'stroke-opacity',
+  'stroke-width',
+  'text-anchor',
+  'text-rendering',
+  'transform',
+  'visibility',
+  'word-spacing',
+  'writing-mode',
+];
+
+exports.presentationNonInheritableGroupAttrs = [
+  'display',
+  'clip-path',
+  'filter',
+  'mask',
+  'opacity',
+  'text-decoration',
+  'transform',
+  'unicode-bidi',
+];
+
+/**
+ * https://www.w3.org/TR/SVG11/single-page.html#types-ColorKeywords
+ */
+exports.colorsNames = {
+  aliceblue: '#f0f8ff',
+  antiquewhite: '#faebd7',
+  aqua: '#0ff',
+  aquamarine: '#7fffd4',
+  azure: '#f0ffff',
+  beige: '#f5f5dc',
+  bisque: '#ffe4c4',
+  black: '#000',
+  blanchedalmond: '#ffebcd',
+  blue: '#00f',
+  blueviolet: '#8a2be2',
+  brown: '#a52a2a',
+  burlywood: '#deb887',
+  cadetblue: '#5f9ea0',
+  chartreuse: '#7fff00',
+  chocolate: '#d2691e',
+  coral: '#ff7f50',
+  cornflowerblue: '#6495ed',
+  cornsilk: '#fff8dc',
+  crimson: '#dc143c',
+  cyan: '#0ff',
+  darkblue: '#00008b',
+  darkcyan: '#008b8b',
+  darkgoldenrod: '#b8860b',
+  darkgray: '#a9a9a9',
+  darkgreen: '#006400',
+  darkgrey: '#a9a9a9',
+  darkkhaki: '#bdb76b',
+  darkmagenta: '#8b008b',
+  darkolivegreen: '#556b2f',
+  darkorange: '#ff8c00',
+  darkorchid: '#9932cc',
+  darkred: '#8b0000',
+  darksalmon: '#e9967a',
+  darkseagreen: '#8fbc8f',
+  darkslateblue: '#483d8b',
+  darkslategray: '#2f4f4f',
+  darkslategrey: '#2f4f4f',
+  darkturquoise: '#00ced1',
+  darkviolet: '#9400d3',
+  deeppink: '#ff1493',
+  deepskyblue: '#00bfff',
+  dimgray: '#696969',
+  dimgrey: '#696969',
+  dodgerblue: '#1e90ff',
+  firebrick: '#b22222',
+  floralwhite: '#fffaf0',
+  forestgreen: '#228b22',
+  fuchsia: '#f0f',
+  gainsboro: '#dcdcdc',
+  ghostwhite: '#f8f8ff',
+  gold: '#ffd700',
+  goldenrod: '#daa520',
+  gray: '#808080',
+  green: '#008000',
+  greenyellow: '#adff2f',
+  grey: '#808080',
+  honeydew: '#f0fff0',
+  hotpink: '#ff69b4',
+  indianred: '#cd5c5c',
+  indigo: '#4b0082',
+  ivory: '#fffff0',
+  khaki: '#f0e68c',
+  lavender: '#e6e6fa',
+  lavenderblush: '#fff0f5',
+  lawngreen: '#7cfc00',
+  lemonchiffon: '#fffacd',
+  lightblue: '#add8e6',
+  lightcoral: '#f08080',
+  lightcyan: '#e0ffff',
+  lightgoldenrodyellow: '#fafad2',
+  lightgray: '#d3d3d3',
+  lightgreen: '#90ee90',
+  lightgrey: '#d3d3d3',
+  lightpink: '#ffb6c1',
+  lightsalmon: '#ffa07a',
+  lightseagreen: '#20b2aa',
+  lightskyblue: '#87cefa',
+  lightslategray: '#789',
+  lightslategrey: '#789',
+  lightsteelblue: '#b0c4de',
+  lightyellow: '#ffffe0',
+  lime: '#0f0',
+  limegreen: '#32cd32',
+  linen: '#faf0e6',
+  magenta: '#f0f',
+  maroon: '#800000',
+  mediumaquamarine: '#66cdaa',
+  mediumblue: '#0000cd',
+  mediumorchid: '#ba55d3',
+  mediumpurple: '#9370db',
+  mediumseagreen: '#3cb371',
+  mediumslateblue: '#7b68ee',
+  mediumspringgreen: '#00fa9a',
+  mediumturquoise: '#48d1cc',
+  mediumvioletred: '#c71585',
+  midnightblue: '#191970',
+  mintcream: '#f5fffa',
+  mistyrose: '#ffe4e1',
+  moccasin: '#ffe4b5',
+  navajowhite: '#ffdead',
+  navy: '#000080',
+  oldlace: '#fdf5e6',
+  olive: '#808000',
+  olivedrab: '#6b8e23',
+  orange: '#ffa500',
+  orangered: '#ff4500',
+  orchid: '#da70d6',
+  palegoldenrod: '#eee8aa',
+  palegreen: '#98fb98',
+  paleturquoise: '#afeeee',
+  palevioletred: '#db7093',
+  papayawhip: '#ffefd5',
+  peachpuff: '#ffdab9',
+  peru: '#cd853f',
+  pink: '#ffc0cb',
+  plum: '#dda0dd',
+  powderblue: '#b0e0e6',
+  purple: '#800080',
+  rebeccapurple: '#639',
+  red: '#f00',
+  rosybrown: '#bc8f8f',
+  royalblue: '#4169e1',
+  saddlebrown: '#8b4513',
+  salmon: '#fa8072',
+  sandybrown: '#f4a460',
+  seagreen: '#2e8b57',
+  seashell: '#fff5ee',
+  sienna: '#a0522d',
+  silver: '#c0c0c0',
+  skyblue: '#87ceeb',
+  slateblue: '#6a5acd',
+  slategray: '#708090',
+  slategrey: '#708090',
+  snow: '#fffafa',
+  springgreen: '#00ff7f',
+  steelblue: '#4682b4',
+  tan: '#d2b48c',
+  teal: '#008080',
+  thistle: '#d8bfd8',
+  tomato: '#ff6347',
+  turquoise: '#40e0d0',
+  violet: '#ee82ee',
+  wheat: '#f5deb3',
+  white: '#fff',
+  whitesmoke: '#f5f5f5',
+  yellow: '#ff0',
+  yellowgreen: '#9acd32',
+};
+
+exports.colorsShortNames = {
+  '#f0ffff': 'azure',
+  '#f5f5dc': 'beige',
+  '#ffe4c4': 'bisque',
+  '#a52a2a': 'brown',
+  '#ff7f50': 'coral',
+  '#ffd700': 'gold',
+  '#808080': 'gray',
+  '#008000': 'green',
+  '#4b0082': 'indigo',
+  '#fffff0': 'ivory',
+  '#f0e68c': 'khaki',
+  '#faf0e6': 'linen',
+  '#800000': 'maroon',
+  '#000080': 'navy',
+  '#808000': 'olive',
+  '#ffa500': 'orange',
+  '#da70d6': 'orchid',
+  '#cd853f': 'peru',
+  '#ffc0cb': 'pink',
+  '#dda0dd': 'plum',
+  '#800080': 'purple',
+  '#f00': 'red',
+  '#ff0000': 'red',
+  '#fa8072': 'salmon',
+  '#a0522d': 'sienna',
+  '#c0c0c0': 'silver',
+  '#fffafa': 'snow',
+  '#d2b48c': 'tan',
+  '#008080': 'teal',
+  '#ff6347': 'tomato',
+  '#ee82ee': 'violet',
+  '#f5deb3': 'wheat',
+};
+
+// https://www.w3.org/TR/SVG11/single-page.html#types-DataTypeColor
+exports.colorsProps = [
+  'color',
+  'fill',
+  'stroke',
+  'stop-color',
+  'flood-color',
+  'lighting-color',
+];
+
+},{}],326:[function(require,module,exports){
+'use strict';
+
+const { parsePathData, stringifyPathData } = require('../path.js');
+
+var prevCtrlPoint;
+
+/**
+ * Convert path string to JS representation.
+ */
+const path2js = (path) => {
+  // @ts-ignore legacy
+  if (path.pathJS) return path.pathJS;
+
+  const pathData = []; // JS representation of the path data
+  const newPathData = parsePathData(path.attributes.d);
+  for (const { command, args } of newPathData) {
+    pathData.push({ command, args });
+  }
+  // First moveto is actually absolute. Subsequent coordinates were separated above.
+  if (pathData.length && pathData[0].command == 'm') {
+    pathData[0].command = 'M';
+  }
+  // @ts-ignore legacy
+  path.pathJS = pathData;
+  return pathData;
+};
+exports.path2js = path2js;
+
+const convertRelativeToAbsolute = (data) => {
+  const newData = [];
+  let start = [0, 0];
+  let cursor = [0, 0];
+
+  for (let { command, args } of data) {
+    args = args.slice();
+
+    // moveto (x y)
+    if (command === 'm') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      command = 'M';
+    }
+    if (command === 'M') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+      start[0] = cursor[0];
+      start[1] = cursor[1];
+    }
+
+    // horizontal lineto (x)
+    if (command === 'h') {
+      args[0] += cursor[0];
+      command = 'H';
+    }
+    if (command === 'H') {
+      cursor[0] = args[0];
+    }
+
+    // vertical lineto (y)
+    if (command === 'v') {
+      args[0] += cursor[1];
+      command = 'V';
+    }
+    if (command === 'V') {
+      cursor[1] = args[0];
+    }
+
+    // lineto (x y)
+    if (command === 'l') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      command = 'L';
+    }
+    if (command === 'L') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+    }
+
+    // curveto (x1 y1 x2 y2 x y)
+    if (command === 'c') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      args[2] += cursor[0];
+      args[3] += cursor[1];
+      args[4] += cursor[0];
+      args[5] += cursor[1];
+      command = 'C';
+    }
+    if (command === 'C') {
+      cursor[0] = args[4];
+      cursor[1] = args[5];
+    }
+
+    // smooth curveto (x2 y2 x y)
+    if (command === 's') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      args[2] += cursor[0];
+      args[3] += cursor[1];
+      command = 'S';
+    }
+    if (command === 'S') {
+      cursor[0] = args[2];
+      cursor[1] = args[3];
+    }
+
+    // quadratic Bézier curveto (x1 y1 x y)
+    if (command === 'q') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      args[2] += cursor[0];
+      args[3] += cursor[1];
+      command = 'Q';
+    }
+    if (command === 'Q') {
+      cursor[0] = args[2];
+      cursor[1] = args[3];
+    }
+
+    // smooth quadratic Bézier curveto (x y)
+    if (command === 't') {
+      args[0] += cursor[0];
+      args[1] += cursor[1];
+      command = 'T';
+    }
+    if (command === 'T') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+    }
+
+    // elliptical arc (rx ry x-axis-rotation large-arc-flag sweep-flag x y)
+    if (command === 'a') {
+      args[5] += cursor[0];
+      args[6] += cursor[1];
+      command = 'A';
+    }
+    if (command === 'A') {
+      cursor[0] = args[5];
+      cursor[1] = args[6];
+    }
+
+    // closepath
+    if (command === 'z' || command === 'Z') {
+      cursor[0] = start[0];
+      cursor[1] = start[1];
+      command = 'z';
+    }
+
+    newData.push({ command, args });
+  }
+  return newData;
+};
+
+exports.js2path = function (path, data, params) {
+  // @ts-ignore legacy
+  path.pathJS = data;
+
+  const pathData = [];
+  for (const item of data) {
+    // remove moveto commands which are followed by moveto commands
+    if (
+      pathData.length !== 0 &&
+      (item.command === 'M' || item.command === 'm')
+    ) {
+      const last = pathData[pathData.length - 1];
+      if (last.command === 'M' || last.command === 'm') {
+        pathData.pop();
+      }
+    }
+    pathData.push({
+      command: item.command,
+      args: item.args,
+    });
+  }
+
+  path.attributes.d = stringifyPathData({
+    pathData,
+    precision: params.floatPrecision,
+    disableSpaceAfterFlags: params.noSpaceAfterFlags,
+  });
+};
+
+function set(dest, source) {
+  dest[0] = source[source.length - 2];
+  dest[1] = source[source.length - 1];
+  return dest;
+}
+
+/**
+ * Checks if two paths have an intersection by checking convex hulls
+ * collision using Gilbert-Johnson-Keerthi distance algorithm
+ * https://web.archive.org/web/20180822200027/http://entropyinteractive.com/2011/04/gjk-algorithm/
+ */
+exports.intersects = function (path1, path2) {
+  // Collect points of every subpath.
+  const points1 = gatherPoints(convertRelativeToAbsolute(path1));
+  const points2 = gatherPoints(convertRelativeToAbsolute(path2));
+
+  // Axis-aligned bounding box check.
+  if (
+    points1.maxX <= points2.minX ||
+    points2.maxX <= points1.minX ||
+    points1.maxY <= points2.minY ||
+    points2.maxY <= points1.minY ||
+    points1.list.every((set1) => {
+      return points2.list.every((set2) => {
+        return (
+          set1.list[set1.maxX][0] <= set2.list[set2.minX][0] ||
+          set2.list[set2.maxX][0] <= set1.list[set1.minX][0] ||
+          set1.list[set1.maxY][1] <= set2.list[set2.minY][1] ||
+          set2.list[set2.maxY][1] <= set1.list[set1.minY][1]
+        );
+      });
+    })
+  )
+    return false;
+
+  // Get a convex hull from points of each subpath. Has the most complexity O(n·log n).
+  const hullNest1 = points1.list.map(convexHull);
+  const hullNest2 = points2.list.map(convexHull);
+
+  // Check intersection of every subpath of the first path with every subpath of the second.
+  return hullNest1.some(function (hull1) {
+    if (hull1.list.length < 3) return false;
+
+    return hullNest2.some(function (hull2) {
+      if (hull2.list.length < 3) return false;
+
+      var simplex = [getSupport(hull1, hull2, [1, 0])], // create the initial simplex
+        direction = minus(simplex[0]); // set the direction to point towards the origin
+
+      var iterations = 1e4; // infinite loop protection, 10 000 iterations is more than enough
+      // eslint-disable-next-line no-constant-condition
+      while (true) {
+        // eslint-disable-next-line no-constant-condition
+        if (iterations-- == 0) {
+          console.error(
+            'Error: infinite loop while processing mergePaths plugin.',
+          );
+          return true; // true is the safe value that means “do nothing with paths”
+        }
+        // add a new point
+        simplex.push(getSupport(hull1, hull2, direction));
+        // see if the new point was on the correct side of the origin
+        if (dot(direction, simplex[simplex.length - 1]) <= 0) return false;
+        // process the simplex
+        if (processSimplex(simplex, direction)) return true;
+      }
+    });
+  });
+
+  function getSupport(a, b, direction) {
+    return sub(supportPoint(a, direction), supportPoint(b, minus(direction)));
+  }
+
+  // Computes farthest polygon point in particular direction.
+  // Thanks to knowledge of min/max x and y coordinates we can choose a quadrant to search in.
+  // Since we're working on convex hull, the dot product is increasing until we find the farthest point.
+  function supportPoint(polygon, direction) {
+    var index =
+        direction[1] >= 0
+          ? direction[0] < 0
+            ? polygon.maxY
+            : polygon.maxX
+          : direction[0] < 0
+          ? polygon.minX
+          : polygon.minY,
+      max = -Infinity,
+      value;
+    while ((value = dot(polygon.list[index], direction)) > max) {
+      max = value;
+      index = ++index % polygon.list.length;
+    }
+    return polygon.list[(index || polygon.list.length) - 1];
+  }
+};
+
+function processSimplex(simplex, direction) {
+  // we only need to handle to 1-simplex and 2-simplex
+  if (simplex.length == 2) {
+    // 1-simplex
+    let a = simplex[1],
+      b = simplex[0],
+      AO = minus(simplex[1]),
+      AB = sub(b, a);
+    // AO is in the same direction as AB
+    if (dot(AO, AB) > 0) {
+      // get the vector perpendicular to AB facing O
+      set(direction, orth(AB, a));
+    } else {
+      set(direction, AO);
+      // only A remains in the simplex
+      simplex.shift();
+    }
+  } else {
+    // 2-simplex
+    let a = simplex[2], // [a, b, c] = simplex
+      b = simplex[1],
+      c = simplex[0],
+      AB = sub(b, a),
+      AC = sub(c, a),
+      AO = minus(a),
+      ACB = orth(AB, AC), // the vector perpendicular to AB facing away from C
+      ABC = orth(AC, AB); // the vector perpendicular to AC facing away from B
+
+    if (dot(ACB, AO) > 0) {
+      if (dot(AB, AO) > 0) {
+        // region 4
+        set(direction, ACB);
+        simplex.shift(); // simplex = [b, a]
+      } else {
+        // region 5
+        set(direction, AO);
+        simplex.splice(0, 2); // simplex = [a]
+      }
+    } else if (dot(ABC, AO) > 0) {
+      if (dot(AC, AO) > 0) {
+        // region 6
+        set(direction, ABC);
+        simplex.splice(1, 1); // simplex = [c, a]
+      } else {
+        // region 5 (again)
+        set(direction, AO);
+        simplex.splice(0, 2); // simplex = [a]
+      }
+    } // region 7
+    else return true;
+  }
+  return false;
+}
+
+function minus(v) {
+  return [-v[0], -v[1]];
+}
+
+function sub(v1, v2) {
+  return [v1[0] - v2[0], v1[1] - v2[1]];
+}
+
+function dot(v1, v2) {
+  return v1[0] * v2[0] + v1[1] * v2[1];
+}
+
+function orth(v, from) {
+  var o = [-v[1], v[0]];
+  return dot(o, minus(from)) < 0 ? minus(o) : o;
+}
+
+function gatherPoints(pathData) {
+  const points = { list: [], minX: 0, minY: 0, maxX: 0, maxY: 0 };
+
+  // Writes data about the extreme points on each axle
+  const addPoint = (path, point) => {
+    if (!path.list.length || point[1] > path.list[path.maxY][1]) {
+      path.maxY = path.list.length;
+      points.maxY = points.list.length
+        ? Math.max(point[1], points.maxY)
+        : point[1];
+    }
+    if (!path.list.length || point[0] > path.list[path.maxX][0]) {
+      path.maxX = path.list.length;
+      points.maxX = points.list.length
+        ? Math.max(point[0], points.maxX)
+        : point[0];
+    }
+    if (!path.list.length || point[1] < path.list[path.minY][1]) {
+      path.minY = path.list.length;
+      points.minY = points.list.length
+        ? Math.min(point[1], points.minY)
+        : point[1];
+    }
+    if (!path.list.length || point[0] < path.list[path.minX][0]) {
+      path.minX = path.list.length;
+      points.minX = points.list.length
+        ? Math.min(point[0], points.minX)
+        : point[0];
+    }
+    path.list.push(point);
+  };
+
+  for (let i = 0; i < pathData.length; i += 1) {
+    const pathDataItem = pathData[i];
+    let subPath =
+      points.list.length === 0
+        ? { list: [], minX: 0, minY: 0, maxX: 0, maxY: 0 }
+        : points.list[points.list.length - 1];
+    let prev = i === 0 ? null : pathData[i - 1];
+    let basePoint =
+      subPath.list.length === 0 ? null : subPath.list[subPath.list.length - 1];
+    let data = pathDataItem.args;
+    let ctrlPoint = basePoint;
+
+    const toAbsolute = (n, i) => n + (basePoint == null ? 0 : basePoint[i % 2]);
+
+    switch (pathDataItem.command) {
+      case 'M':
+        subPath = { list: [], minX: 0, minY: 0, maxX: 0, maxY: 0 };
+        points.list.push(subPath);
+        break;
+
+      case 'H':
+        if (basePoint != null) {
+          addPoint(subPath, [data[0], basePoint[1]]);
+        }
+        break;
+
+      case 'V':
+        if (basePoint != null) {
+          addPoint(subPath, [basePoint[0], data[0]]);
+        }
+        break;
+
+      case 'Q':
+        addPoint(subPath, data.slice(0, 2));
+        prevCtrlPoint = [data[2] - data[0], data[3] - data[1]]; // Save control point for shorthand
+        break;
+
+      case 'T':
+        if (
+          basePoint != null &&
+          prev != null &&
+          (prev.command == 'Q' || prev.command == 'T')
+        ) {
+          ctrlPoint = [
+            basePoint[0] + prevCtrlPoint[0],
+            basePoint[1] + prevCtrlPoint[1],
+          ];
+          addPoint(subPath, ctrlPoint);
+          prevCtrlPoint = [data[0] - ctrlPoint[0], data[1] - ctrlPoint[1]];
+        }
+        break;
+
+      case 'C':
+        if (basePoint != null) {
+          // Approximate quibic Bezier curve with middle points between control points
+          addPoint(subPath, [
+            0.5 * (basePoint[0] + data[0]),
+            0.5 * (basePoint[1] + data[1]),
+          ]);
+        }
+        addPoint(subPath, [
+          0.5 * (data[0] + data[2]),
+          0.5 * (data[1] + data[3]),
+        ]);
+        addPoint(subPath, [
+          0.5 * (data[2] + data[4]),
+          0.5 * (data[3] + data[5]),
+        ]);
+        prevCtrlPoint = [data[4] - data[2], data[5] - data[3]]; // Save control point for shorthand
+        break;
+
+      case 'S':
+        if (
+          basePoint != null &&
+          prev != null &&
+          (prev.command == 'C' || prev.command == 'S')
+        ) {
+          addPoint(subPath, [
+            basePoint[0] + 0.5 * prevCtrlPoint[0],
+            basePoint[1] + 0.5 * prevCtrlPoint[1],
+          ]);
+          ctrlPoint = [
+            basePoint[0] + prevCtrlPoint[0],
+            basePoint[1] + prevCtrlPoint[1],
+          ];
+        }
+        if (ctrlPoint != null) {
+          addPoint(subPath, [
+            0.5 * (ctrlPoint[0] + data[0]),
+            0.5 * (ctrlPoint[1] + data[1]),
+          ]);
+        }
+        addPoint(subPath, [
+          0.5 * (data[0] + data[2]),
+          0.5 * (data[1] + data[3]),
+        ]);
+        prevCtrlPoint = [data[2] - data[0], data[3] - data[1]];
+        break;
+
+      case 'A':
+        if (basePoint != null) {
+          // Convert the arc to bezier curves and use the same approximation
+          // @ts-ignore no idea what's going on here
+          var curves = a2c.apply(0, basePoint.concat(data));
+          for (
+            var cData;
+            (cData = curves.splice(0, 6).map(toAbsolute)).length;
+
+          ) {
+            if (basePoint != null) {
+              addPoint(subPath, [
+                0.5 * (basePoint[0] + cData[0]),
+                0.5 * (basePoint[1] + cData[1]),
+              ]);
+            }
+            addPoint(subPath, [
+              0.5 * (cData[0] + cData[2]),
+              0.5 * (cData[1] + cData[3]),
+            ]);
+            addPoint(subPath, [
+              0.5 * (cData[2] + cData[4]),
+              0.5 * (cData[3] + cData[5]),
+            ]);
+            if (curves.length) addPoint(subPath, (basePoint = cData.slice(-2)));
+          }
+        }
+        break;
+    }
+
+    // Save final command coordinates
+    if (data.length >= 2) addPoint(subPath, data.slice(-2));
+  }
+
+  return points;
+}
+
+/**
+ * Forms a convex hull from set of points of every subpath using monotone chain convex hull algorithm.
+ * https://en.wikibooks.org/wiki/Algorithm_Implementation/Geometry/Convex_hull/Monotone_chain
+ */
+function convexHull(points) {
+  points.list.sort(function (a, b) {
+    return a[0] == b[0] ? a[1] - b[1] : a[0] - b[0];
+  });
+
+  var lower = [],
+    minY = 0,
+    bottom = 0;
+  for (let i = 0; i < points.list.length; i++) {
+    while (
+      lower.length >= 2 &&
+      cross(lower[lower.length - 2], lower[lower.length - 1], points.list[i]) <=
+        0
+    ) {
+      lower.pop();
+    }
+    if (points.list[i][1] < points.list[minY][1]) {
+      minY = i;
+      bottom = lower.length;
+    }
+    lower.push(points.list[i]);
+  }
+
+  var upper = [],
+    maxY = points.list.length - 1,
+    top = 0;
+  for (let i = points.list.length; i--; ) {
+    while (
+      upper.length >= 2 &&
+      cross(upper[upper.length - 2], upper[upper.length - 1], points.list[i]) <=
+        0
+    ) {
+      upper.pop();
+    }
+    if (points.list[i][1] > points.list[maxY][1]) {
+      maxY = i;
+      top = upper.length;
+    }
+    upper.push(points.list[i]);
+  }
+
+  // last points are equal to starting points of the other part
+  upper.pop();
+  lower.pop();
+
+  const hullList = lower.concat(upper);
+
+  const hull = {
+    list: hullList,
+    minX: 0, // by sorting
+    maxX: lower.length,
+    minY: bottom,
+    maxY: (lower.length + top) % hullList.length,
+  };
+
+  return hull;
+}
+
+function cross(o, a, b) {
+  return (a[0] - o[0]) * (b[1] - o[1]) - (a[1] - o[1]) * (b[0] - o[0]);
+}
+
+/**
+ * Based on code from Snap.svg (Apache 2 license). http://snapsvg.io/
+ * Thanks to Dmitry Baranovskiy for his great work!
+ */
+const a2c = (x1, y1, rx, ry, angle, large_arc_flag, sweep_flag, x2, y2, recursive) => {
+  // for more information of where this Math came from visit:
+  // https://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
+  const _120 = (Math.PI * 120) / 180;
+  const rad = (Math.PI / 180) * (+angle || 0);
+  let res = [];
+  const rotateX = (x, y, rad) => {
+    return x * Math.cos(rad) - y * Math.sin(rad);
+  };
+  const rotateY = (x, y, rad) => {
+    return x * Math.sin(rad) + y * Math.cos(rad);
+  };
+  if (!recursive) {
+    x1 = rotateX(x1, y1, -rad);
+    y1 = rotateY(x1, y1, -rad);
+    x2 = rotateX(x2, y2, -rad);
+    y2 = rotateY(x2, y2, -rad);
+    var x = (x1 - x2) / 2,
+      y = (y1 - y2) / 2;
+    var h = (x * x) / (rx * rx) + (y * y) / (ry * ry);
+    if (h > 1) {
+      h = Math.sqrt(h);
+      rx = h * rx;
+      ry = h * ry;
+    }
+    var rx2 = rx * rx;
+    var ry2 = ry * ry;
+    var k =
+      (large_arc_flag == sweep_flag ? -1 : 1) *
+      Math.sqrt(
+        Math.abs(
+          (rx2 * ry2 - rx2 * y * y - ry2 * x * x) / (rx2 * y * y + ry2 * x * x),
+        ),
+      );
+    var cx = (k * rx * y) / ry + (x1 + x2) / 2;
+    var cy = (k * -ry * x) / rx + (y1 + y2) / 2;
+    var f1 = Math.asin(Number(((y1 - cy) / ry).toFixed(9)));
+    var f2 = Math.asin(Number(((y2 - cy) / ry).toFixed(9)));
+
+    f1 = x1 < cx ? Math.PI - f1 : f1;
+    f2 = x2 < cx ? Math.PI - f2 : f2;
+    f1 < 0 && (f1 = Math.PI * 2 + f1);
+    f2 < 0 && (f2 = Math.PI * 2 + f2);
+    if (sweep_flag && f1 > f2) {
+      f1 = f1 - Math.PI * 2;
+    }
+    if (!sweep_flag && f2 > f1) {
+      f2 = f2 - Math.PI * 2;
+    }
+  } else {
+    f1 = recursive[0];
+    f2 = recursive[1];
+    cx = recursive[2];
+    cy = recursive[3];
+  }
+  var df = f2 - f1;
+  if (Math.abs(df) > _120) {
+    var f2old = f2,
+      x2old = x2,
+      y2old = y2;
+    f2 = f1 + _120 * (sweep_flag && f2 > f1 ? 1 : -1);
+    x2 = cx + rx * Math.cos(f2);
+    y2 = cy + ry * Math.sin(f2);
+    res = a2c(x2, y2, rx, ry, angle, 0, sweep_flag, x2old, y2old, [
+      f2,
+      f2old,
+      cx,
+      cy,
+    ]);
+  }
+  df = f2 - f1;
+  var c1 = Math.cos(f1),
+    s1 = Math.sin(f1),
+    c2 = Math.cos(f2),
+    s2 = Math.sin(f2),
+    t = Math.tan(df / 4),
+    hx = (4 / 3) * rx * t,
+    hy = (4 / 3) * ry * t,
+    m = [
+      -hx * s1,
+      hy * c1,
+      x2 + hx * s2 - x1,
+      y2 - hy * c2 - y1,
+      x2 - x1,
+      y2 - y1,
+    ];
+  if (recursive) {
+    return m.concat(res);
+  } else {
+    res = m.concat(res);
+    var newres = [];
+    for (var i = 0, n = res.length; i < n; i++) {
+      newres[i] =
+        i % 2
+          ? rotateY(res[i - 1], res[i], rad)
+          : rotateX(res[i], res[i + 1], rad);
+    }
+    return newres;
+  }
+};
+
+},{"../path.js":323}],327:[function(require,module,exports){
+'use strict';
+
+const regTransformTypes = /matrix|translate|scale|rotate|skewX|skewY/;
+const regTransformSplit =
+  /\s*(matrix|translate|scale|rotate|skewX|skewY)\s*\(\s*(.+?)\s*\)[\s,]*/;
+const regNumericValues = /[-+]?(?:\d*\.\d+|\d+\.?)(?:[eE][-+]?\d+)?/g;
+
+/**
+ * Convert transform string to JS representation.
+ */
+exports.transform2js = (transformString) => {
+  // JS representation of the transform data
+  const transforms = [];
+  // current transform context
+  let current = null;
+  // split value into ['', 'translate', '10 50', '', 'scale', '2', '', 'rotate', '-45', '']
+  for (const item of transformString.split(regTransformSplit)) {
+    var num;
+    if (item) {
+      // if item is a translate function
+      if (regTransformTypes.test(item)) {
+        // then collect it and change current context
+        current = { name: item, data: [] };
+        transforms.push(current);
+        // else if item is data
+      } else {
+        // then split it into [10, 50] and collect as context.data
+        // eslint-disable-next-line no-cond-assign
+        while ((num = regNumericValues.exec(item))) {
+          num = Number(num);
+          if (current != null) {
+            current.data.push(num);
+          }
+        }
+      }
+    }
+  }
+  // return empty array if broken transform (no data)
+  return current == null || current.data.length == 0 ? [] : transforms;
+};
+
+/**
+ * Multiply transforms into one.
+ */
+exports.transformsMultiply = (transforms) => {
+  // convert transforms objects to the matrices
+  const matrixData = transforms.map((transform) => {
+    if (transform.name === 'matrix') {
+      return transform.data;
+    }
+    return transformToMatrix(transform);
+  });
+  // multiply all matrices into one
+  const matrixTransform = {
+    name: 'matrix',
+    data:
+      matrixData.length > 0 ? matrixData.reduce(multiplyTransformMatrices) : [],
+  };
+  return matrixTransform;
+};
+
+/**
+ * math utilities in radians.
+ */
+const mth = {
+  rad: (deg) => {
+    return (deg * Math.PI) / 180;
+  },
+
+  deg: (rad) => {
+    return (rad * 180) / Math.PI;
+  },
+
+  cos: (deg) => {
+    return Math.cos(mth.rad(deg));
+  },
+
+  acos: (val, floatPrecision) => {
+    return Number(mth.deg(Math.acos(val)).toFixed(floatPrecision));
+  },
+
+  sin: (deg) => {
+    return Math.sin(mth.rad(deg));
+  },
+
+  asin: (val, floatPrecision) => {
+    return Number(mth.deg(Math.asin(val)).toFixed(floatPrecision));
+  },
+
+  tan: (deg) => {
+    return Math.tan(mth.rad(deg));
+  },
+
+  atan: (val, floatPrecision) => {
+    return Number(mth.deg(Math.atan(val)).toFixed(floatPrecision));
+  },
+};
+
+/**
+ * Decompose matrix into simple transforms. See
+ * https://frederic-wang.fr/decomposition-of-2d-transform-matrices.html
+ */
+exports.matrixToTransform = (transform, params) => {
+  let floatPrecision = params.floatPrecision;
+  let data = transform.data;
+  let transforms = [];
+  let sx = Number(
+    Math.hypot(data[0], data[1]).toFixed(params.transformPrecision),
+  );
+  let sy = Number(
+    ((data[0] * data[3] - data[1] * data[2]) / sx).toFixed(
+      params.transformPrecision,
+    ),
+  );
+  let colsSum = data[0] * data[2] + data[1] * data[3];
+  let rowsSum = data[0] * data[1] + data[2] * data[3];
+  let scaleBefore = rowsSum != 0 || sx == sy;
+
+  // [..., ..., ..., ..., tx, ty] → translate(tx, ty)
+  if (data[4] || data[5]) {
+    transforms.push({
+      name: 'translate',
+      data: data.slice(4, data[5] ? 6 : 5),
+    });
+  }
+
+  // [sx, 0, tan(a)·sy, sy, 0, 0] → skewX(a)·scale(sx, sy)
+  if (!data[1] && data[2]) {
+    transforms.push({
+      name: 'skewX',
+      data: [mth.atan(data[2] / sy, floatPrecision)],
+    });
+
+    // [sx, sx·tan(a), 0, sy, 0, 0] → skewY(a)·scale(sx, sy)
+  } else if (data[1] && !data[2]) {
+    transforms.push({
+      name: 'skewY',
+      data: [mth.atan(data[1] / data[0], floatPrecision)],
+    });
+    sx = data[0];
+    sy = data[3];
+
+    // [sx·cos(a), sx·sin(a), sy·-sin(a), sy·cos(a), x, y] → rotate(a[, cx, cy])·(scale or skewX) or
+    // [sx·cos(a), sy·sin(a), sx·-sin(a), sy·cos(a), x, y] → scale(sx, sy)·rotate(a[, cx, cy]) (if !scaleBefore)
+  } else if (!colsSum || (sx == 1 && sy == 1) || !scaleBefore) {
+    if (!scaleBefore) {
+      sx = (data[0] < 0 ? -1 : 1) * Math.hypot(data[0], data[2]);
+      sy = (data[3] < 0 ? -1 : 1) * Math.hypot(data[1], data[3]);
+      transforms.push({ name: 'scale', data: [sx, sy] });
+    }
+    var angle = Math.min(Math.max(-1, data[0] / sx), 1),
+      rotate = [
+        mth.acos(angle, floatPrecision) *
+          ((scaleBefore ? 1 : sy) * data[1] < 0 ? -1 : 1),
+      ];
+
+    if (rotate[0]) transforms.push({ name: 'rotate', data: rotate });
+
+    if (rowsSum && colsSum)
+      transforms.push({
+        name: 'skewX',
+        data: [mth.atan(colsSum / (sx * sx), floatPrecision)],
+      });
+
+    // rotate(a, cx, cy) can consume translate() within optional arguments cx, cy (rotation point)
+    if (rotate[0] && (data[4] || data[5])) {
+      transforms.shift();
+      var cos = data[0] / sx,
+        sin = data[1] / (scaleBefore ? sx : sy),
+        x = data[4] * (scaleBefore ? 1 : sy),
+        y = data[5] * (scaleBefore ? 1 : sx),
+        denom =
+          (Math.pow(1 - cos, 2) + Math.pow(sin, 2)) *
+          (scaleBefore ? 1 : sx * sy);
+      rotate.push(((1 - cos) * x - sin * y) / denom);
+      rotate.push(((1 - cos) * y + sin * x) / denom);
+    }
+
+    // Too many transformations, return original matrix if it isn't just a scale/translate
+  } else if (data[1] || data[2]) {
+    return [transform];
+  }
+
+  if ((scaleBefore && (sx != 1 || sy != 1)) || !transforms.length)
+    transforms.push({
+      name: 'scale',
+      data: sx == sy ? [sx] : [sx, sy],
+    });
+
+  return transforms;
+};
+
+/**
+ * Convert transform to the matrix data.
+ *
+ * @type {(transform: TransformItem) => Array<number> }
+ */
+const transformToMatrix = (transform) => {
+  if (transform.name === 'matrix') {
+    return transform.data;
+  }
+  switch (transform.name) {
+    case 'translate':
+      // [1, 0, 0, 1, tx, ty]
+      return [1, 0, 0, 1, transform.data[0], transform.data[1] || 0];
+    case 'scale':
+      // [sx, 0, 0, sy, 0, 0]
+      return [
+        transform.data[0],
+        0,
+        0,
+        transform.data[1] || transform.data[0],
+        0,
+        0,
+      ];
+    case 'rotate':
+      // [cos(a), sin(a), -sin(a), cos(a), x, y]
+      var cos = mth.cos(transform.data[0]),
+        sin = mth.sin(transform.data[0]),
+        cx = transform.data[1] || 0,
+        cy = transform.data[2] || 0;
+      return [
+        cos,
+        sin,
+        -sin,
+        cos,
+        (1 - cos) * cx + sin * cy,
+        (1 - cos) * cy - sin * cx,
+      ];
+    case 'skewX':
+      // [1, 0, tan(a), 1, 0, 0]
+      return [1, 0, mth.tan(transform.data[0]), 1, 0, 0];
+    case 'skewY':
+      // [1, tan(a), 0, 1, 0, 0]
+      return [1, mth.tan(transform.data[0]), 0, 1, 0, 0];
+    default:
+      throw Error(`Unknown transform ${transform.name}`);
+  }
+};
+
+/**
+ * Applies transformation to an arc. To do so, we represent ellipse as a matrix, multiply it
+ * by the transformation matrix and use a singular value decomposition to represent in a form
+ * rotate(θ)·scale(a b)·rotate(φ). This gives us new ellipse params a, b and θ.
+ * SVD is being done with the formulae provided by Wolffram|Alpha (svd {{m0, m2}, {m1, m3}})
+ *
+ * @type {(
+ *   cursor: [x: number, y: number],
+ *   arc: Array<number>,
+ *   transform: Array<number>
+ * ) => Array<number>}
+ */
+exports.transformArc = (cursor, arc, transform) => {
+  const x = arc[5] - cursor[0];
+  const y = arc[6] - cursor[1];
+  let a = arc[0];
+  let b = arc[1];
+  const rot = (arc[2] * Math.PI) / 180;
+  const cos = Math.cos(rot);
+  const sin = Math.sin(rot);
+  // skip if radius is 0
+  if (a > 0 && b > 0) {
+    let h =
+      Math.pow(x * cos + y * sin, 2) / (4 * a * a) +
+      Math.pow(y * cos - x * sin, 2) / (4 * b * b);
+    if (h > 1) {
+      h = Math.sqrt(h);
+      a *= h;
+      b *= h;
+    }
+  }
+  const ellipse = [a * cos, a * sin, -b * sin, b * cos, 0, 0];
+  const m = multiplyTransformMatrices(transform, ellipse);
+  // Decompose the new ellipse matrix
+  const lastCol = m[2] * m[2] + m[3] * m[3];
+  const squareSum = m[0] * m[0] + m[1] * m[1] + lastCol;
+  const root =
+    Math.hypot(m[0] - m[3], m[1] + m[2]) * Math.hypot(m[0] + m[3], m[1] - m[2]);
+
+  if (!root) {
+    // circle
+    arc[0] = arc[1] = Math.sqrt(squareSum / 2);
+    arc[2] = 0;
+  } else {
+    const majorAxisSqr = (squareSum + root) / 2;
+    const minorAxisSqr = (squareSum - root) / 2;
+    const major = Math.abs(majorAxisSqr - lastCol) > 1e-6;
+    const sub = (major ? majorAxisSqr : minorAxisSqr) - lastCol;
+    const rowsSum = m[0] * m[2] + m[1] * m[3];
+    const term1 = m[0] * sub + m[2] * rowsSum;
+    const term2 = m[1] * sub + m[3] * rowsSum;
+    arc[0] = Math.sqrt(majorAxisSqr);
+    arc[1] = Math.sqrt(minorAxisSqr);
+    arc[2] =
+      (((major ? term2 < 0 : term1 > 0) ? -1 : 1) *
+        Math.acos((major ? term1 : term2) / Math.hypot(term1, term2)) *
+        180) /
+      Math.PI;
+  }
+
+  if (transform[0] < 0 !== transform[3] < 0) {
+    // Flip the sweep flag if coordinates are being flipped horizontally XOR vertically
+    arc[4] = 1 - arc[4];
+  }
+
+  return arc;
+};
+
+/**
+ * Multiply transformation matrices.
+ */
+const multiplyTransformMatrices = (a, b) => {
+  return [
+    a[0] * b[0] + a[2] * b[1],
+    a[1] * b[0] + a[3] * b[1],
+    a[0] * b[2] + a[2] * b[3],
+    a[1] * b[2] + a[3] * b[3],
+    a[0] * b[4] + a[2] * b[5] + a[4],
+    a[1] * b[4] + a[3] * b[5] + a[5],
+  ];
+};
+
+},{}],328:[function(require,module,exports){
+'use strict';
+
+exports.name = 'addAttributesToSVGElement';
+exports.description = 'adds attributes to an outer <svg> element';
+
+var ENOCLS = `Error in plugin "addAttributesToSVGElement": absent parameters.
+It should have a list of "attributes" or one "attribute".
+Config example:
+
+plugins: [
+  {
+    name: 'addAttributesToSVGElement',
+    params: {
+      attribute: "mySvg"
+    }
+  }
+]
+
+plugins: [
+  {
+    name: 'addAttributesToSVGElement',
+    params: {
+      attributes: ["mySvg", "size-big"]
+    }
+  }
+]
+
+plugins: [
+  {
+    name: 'addAttributesToSVGElement',
+    params: {
+      attributes: [
+        {
+          focusable: false
+        },
+        {
+          'data-image': icon
+        }
+      ]
+    }
+  }
+]
+`;
+
+/**
+ * Add attributes to an outer <svg> element. Example config:
+ *
+ * @author April Arcus
+ */
+exports.fn = (root, params) => {
+  if (!Array.isArray(params.attributes) && !params.attribute) {
+    console.error(ENOCLS);
+    return null;
+  }
+  const attributes = params.attributes || [params.attribute];
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          for (const attribute of attributes) {
+            if (typeof attribute === 'string') {
+              if (node.attributes[attribute] == null) {
+                // @ts-ignore disallow explicit nullable attribute value
+                node.attributes[attribute] = undefined;
+              }
+            }
+            if (typeof attribute === 'object') {
+              for (const key of Object.keys(attribute)) {
+                if (node.attributes[key] == null) {
+                  // @ts-ignore disallow explicit nullable attribute value
+                  node.attributes[key] = attribute[key];
+                }
+              }
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],329:[function(require,module,exports){
+'use strict';
+
+exports.name = 'addClassesToSVGElement';
+exports.description = 'adds classnames to an outer <svg> element';
+
+var ENOCLS = `Error in plugin "addClassesToSVGElement": absent parameters.
+It should have a list of classes in "classNames" or one "className".
+Config example:
+
+plugins: [
+  {
+    name: "addClassesToSVGElement",
+    params: {
+      className: "mySvg"
+    }
+  }
+]
+
+plugins: [
+  {
+    name: "addClassesToSVGElement",
+    params: {
+      classNames: ["mySvg", "size-big"]
+    }
+  }
+]
+`;
+
+/**
+ * Add classnames to an outer <svg> element. Example config:
+ *
+ * plugins: [
+ *   {
+ *     name: "addClassesToSVGElement",
+ *     params: {
+ *       className: "mySvg"
+ *     }
+ *   }
+ * ]
+ *
+ * plugins: [
+ *   {
+ *     name: "addClassesToSVGElement",
+ *     params: {
+ *       classNames: ["mySvg", "size-big"]
+ *     }
+ *   }
+ * ]
+ *
+ * @author April Arcus
+ */
+exports.fn = (root, params) => {
+  if (
+    !(Array.isArray(params.classNames) && params.classNames.some(String)) &&
+    !params.className
+  ) {
+    console.error(ENOCLS);
+    return null;
+  }
+  const classNames = params.classNames || [params.className];
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          const classList = new Set(
+            node.attributes.class == null
+              ? null
+              : node.attributes.class.split(' '),
+          );
+          for (const className of classNames) {
+            if (className != null) {
+              classList.add(className);
+            }
+          }
+          node.attributes.class = Array.from(classList).join(' ');
+        }
+      },
+    },
+  };
+};
+
+},{}],330:[function(require,module,exports){
+'use strict';
+
+const { collectStylesheet, computeStyle } = require('../style.js');
+const {
+  transformsMultiply,
+  transform2js,
+  transformArc,
+} = require('./_transforms.js');
+const { path2js } = require('./_path.js');
+const { removeLeadingZero } = require('../tools.js');
+const { referencesProps, attrsGroupsDefaults } = require('./_collections.js');
+
+const regNumericValues = /[-+]?(\d*\.\d+|\d+\.?)(?:[eE][-+]?\d+)?/g;
+
+/**
+ * Apply transformation(s) to the Path data.
+ */
+const applyTransforms = (root, params) => {
+  const stylesheet = collectStylesheet(root);
+  return {
+    element: {
+      enter: (node) => {
+        const computedStyle = computeStyle(stylesheet, node);
+
+        // used only for paths for now
+        if (node.attributes.d == null) {
+          return;
+        }
+
+        // stroke and stroke-width can be redefined with <use>
+        if (node.attributes.id != null) {
+          return;
+        }
+
+        // if there are no 'stroke' attr and references to other objects such as
+        // gradiends or clip-path which are also subjects to transform.
+        if (
+          node.attributes.transform == null ||
+          node.attributes.transform === '' ||
+          // styles are not considered when applying transform
+          // can be fixed properly with new style engine
+          node.attributes.style != null ||
+          Object.entries(node.attributes).some(
+            ([name, value]) =>
+              referencesProps.includes(name) && value.includes('url('),
+          )
+        ) {
+          return;
+        }
+
+        const matrix = transformsMultiply(
+          transform2js(node.attributes.transform),
+        );
+        const stroke =
+          computedStyle.stroke != null && computedStyle.stroke.type === 'static'
+            ? computedStyle.stroke.value
+            : null;
+
+        const strokeWidth =
+          computedStyle['stroke-width'] != null &&
+          computedStyle['stroke-width'].type === 'static'
+            ? computedStyle['stroke-width'].value
+            : null;
+        const transformPrecision = params.transformPrecision;
+
+        if (
+          (computedStyle.stroke != null &&
+            computedStyle.stroke.type === 'dynamic') ||
+          (computedStyle.strokeWidth != null &&
+            computedStyle['stroke-width'].type === 'dynamic')
+        ) {
+          return;
+        }
+
+        const scale = Number(
+          Math.sqrt(
+            matrix.data[0] * matrix.data[0] + matrix.data[1] * matrix.data[1],
+          ).toFixed(transformPrecision),
+        );
+
+        if (stroke && stroke != 'none') {
+          if (params.applyTransformsStroked === false) {
+            return;
+          }
+
+          // stroke cannot be transformed with different vertical and horizontal scale or skew
+          if (
+            (matrix.data[0] !== matrix.data[3] ||
+              matrix.data[1] !== -matrix.data[2]) &&
+            (matrix.data[0] !== -matrix.data[3] ||
+              matrix.data[1] !== matrix.data[2])
+          ) {
+            return;
+          }
+
+          // apply transform to stroke-width, stroke-dashoffset and stroke-dasharray
+          if (scale !== 1) {
+            if (node.attributes['vector-effect'] !== 'non-scaling-stroke') {
+              node.attributes['stroke-width'] = (
+                strokeWidth || attrsGroupsDefaults.presentation['stroke-width']
+              )
+                .trim()
+                .replace(regNumericValues, (num) =>
+                  removeLeadingZero(Number(num) * scale),
+                );
+
+              if (node.attributes['stroke-dashoffset'] != null) {
+                node.attributes['stroke-dashoffset'] = node.attributes[
+                  'stroke-dashoffset'
+                ]
+                  .trim()
+                  .replace(regNumericValues, (num) =>
+                    removeLeadingZero(Number(num) * scale),
+                  );
+              }
+
+              if (node.attributes['stroke-dasharray'] != null) {
+                node.attributes['stroke-dasharray'] = node.attributes[
+                  'stroke-dasharray'
+                ]
+                  .trim()
+                  .replace(regNumericValues, (num) =>
+                    removeLeadingZero(Number(num) * scale),
+                  );
+              }
+            }
+          }
+        }
+
+        const pathData = path2js(node);
+        applyMatrixToPathData(pathData, matrix.data);
+
+        // remove transform attr
+        delete node.attributes.transform;
+      },
+    },
+  };
+};
+exports.applyTransforms = applyTransforms;
+
+const transformAbsolutePoint = (matrix, x, y) => {
+  const newX = matrix[0] * x + matrix[2] * y + matrix[4];
+  const newY = matrix[1] * x + matrix[3] * y + matrix[5];
+  return [newX, newY];
+};
+
+const transformRelativePoint = (matrix, x, y) => {
+  const newX = matrix[0] * x + matrix[2] * y;
+  const newY = matrix[1] * x + matrix[3] * y;
+  return [newX, newY];
+};
+
+const applyMatrixToPathData = (pathData, matrix) => {
+  const start = [0, 0];
+  const cursor = [0, 0];
+
+  for (const pathItem of pathData) {
+    let { command, args } = pathItem;
+
+    // moveto (x y)
+    if (command === 'M') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+      start[0] = cursor[0];
+      start[1] = cursor[1];
+      const [x, y] = transformAbsolutePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+    if (command === 'm') {
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+      start[0] = cursor[0];
+      start[1] = cursor[1];
+      const [x, y] = transformRelativePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+
+    // horizontal lineto (x)
+    // convert to lineto to handle two-dimentional transforms
+    if (command === 'H') {
+      command = 'L';
+      args = [args[0], cursor[1]];
+    }
+    if (command === 'h') {
+      command = 'l';
+      args = [args[0], 0];
+    }
+
+    // vertical lineto (y)
+    // convert to lineto to handle two-dimentional transforms
+    if (command === 'V') {
+      command = 'L';
+      args = [cursor[0], args[0]];
+    }
+    if (command === 'v') {
+      command = 'l';
+      args = [0, args[0]];
+    }
+
+    // lineto (x y)
+    if (command === 'L') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+      const [x, y] = transformAbsolutePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+    if (command === 'l') {
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+      const [x, y] = transformRelativePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+
+    // curveto (x1 y1 x2 y2 x y)
+    if (command === 'C') {
+      cursor[0] = args[4];
+      cursor[1] = args[5];
+      const [x1, y1] = transformAbsolutePoint(matrix, args[0], args[1]);
+      const [x2, y2] = transformAbsolutePoint(matrix, args[2], args[3]);
+      const [x, y] = transformAbsolutePoint(matrix, args[4], args[5]);
+      args[0] = x1;
+      args[1] = y1;
+      args[2] = x2;
+      args[3] = y2;
+      args[4] = x;
+      args[5] = y;
+    }
+    if (command === 'c') {
+      cursor[0] += args[4];
+      cursor[1] += args[5];
+      const [x1, y1] = transformRelativePoint(matrix, args[0], args[1]);
+      const [x2, y2] = transformRelativePoint(matrix, args[2], args[3]);
+      const [x, y] = transformRelativePoint(matrix, args[4], args[5]);
+      args[0] = x1;
+      args[1] = y1;
+      args[2] = x2;
+      args[3] = y2;
+      args[4] = x;
+      args[5] = y;
+    }
+
+    // smooth curveto (x2 y2 x y)
+    if (command === 'S') {
+      cursor[0] = args[2];
+      cursor[1] = args[3];
+      const [x2, y2] = transformAbsolutePoint(matrix, args[0], args[1]);
+      const [x, y] = transformAbsolutePoint(matrix, args[2], args[3]);
+      args[0] = x2;
+      args[1] = y2;
+      args[2] = x;
+      args[3] = y;
+    }
+    if (command === 's') {
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+      const [x2, y2] = transformRelativePoint(matrix, args[0], args[1]);
+      const [x, y] = transformRelativePoint(matrix, args[2], args[3]);
+      args[0] = x2;
+      args[1] = y2;
+      args[2] = x;
+      args[3] = y;
+    }
+
+    // quadratic Bézier curveto (x1 y1 x y)
+    if (command === 'Q') {
+      cursor[0] = args[2];
+      cursor[1] = args[3];
+      const [x1, y1] = transformAbsolutePoint(matrix, args[0], args[1]);
+      const [x, y] = transformAbsolutePoint(matrix, args[2], args[3]);
+      args[0] = x1;
+      args[1] = y1;
+      args[2] = x;
+      args[3] = y;
+    }
+    if (command === 'q') {
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+      const [x1, y1] = transformRelativePoint(matrix, args[0], args[1]);
+      const [x, y] = transformRelativePoint(matrix, args[2], args[3]);
+      args[0] = x1;
+      args[1] = y1;
+      args[2] = x;
+      args[3] = y;
+    }
+
+    // smooth quadratic Bézier curveto (x y)
+    if (command === 'T') {
+      cursor[0] = args[0];
+      cursor[1] = args[1];
+      const [x, y] = transformAbsolutePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+    if (command === 't') {
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+      const [x, y] = transformRelativePoint(matrix, args[0], args[1]);
+      args[0] = x;
+      args[1] = y;
+    }
+
+    // elliptical arc (rx ry x-axis-rotation large-arc-flag sweep-flag x y)
+    if (command === 'A') {
+      transformArc(cursor, args, matrix);
+      cursor[0] = args[5];
+      cursor[1] = args[6];
+      // reduce number of digits in rotation angle
+      if (Math.abs(args[2]) > 80) {
+        const a = args[0];
+        const rotation = args[2];
+        args[0] = args[1];
+        args[1] = a;
+        args[2] = rotation + (rotation > 0 ? -90 : 90);
+      }
+      const [x, y] = transformAbsolutePoint(matrix, args[5], args[6]);
+      args[5] = x;
+      args[6] = y;
+    }
+    if (command === 'a') {
+      transformArc([0, 0], args, matrix);
+      cursor[0] += args[5];
+      cursor[1] += args[6];
+      // reduce number of digits in rotation angle
+      if (Math.abs(args[2]) > 80) {
+        const a = args[0];
+        const rotation = args[2];
+        args[0] = args[1];
+        args[1] = a;
+        args[2] = rotation + (rotation > 0 ? -90 : 90);
+      }
+      const [x, y] = transformRelativePoint(matrix, args[5], args[6]);
+      args[5] = x;
+      args[6] = y;
+    }
+
+    // closepath
+    if (command === 'z' || command === 'Z') {
+      cursor[0] = start[0];
+      cursor[1] = start[1];
+    }
+
+    pathItem.command = command;
+    pathItem.args = args;
+  }
+};
+
+},{"../style.js":382,"../tools.js":383,"./_collections.js":325,"./_path.js":326,"./_transforms.js":327}],331:[function(require,module,exports){
+'use strict';
+
+exports.name = 'cleanupAttrs';
+exports.description =
+  'cleanups attributes from newlines, trailing and repeating spaces';
+
+const regNewlinesNeedSpace = /(\S)\r?\n(\S)/g;
+const regNewlines = /\r?\n/g;
+const regSpaces = /\s{2,}/g;
+
+/**
+ * Cleanup attributes values from newlines, trailing and repeating spaces.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const { newlines = true, trim = true, spaces = true } = params;
+  return {
+    element: {
+      enter: (node) => {
+        for (const name of Object.keys(node.attributes)) {
+          if (newlines) {
+            // new line which requires a space instead of themselve
+            node.attributes[name] = node.attributes[name].replace(
+              regNewlinesNeedSpace,
+              (match, p1, p2) => p1 + ' ' + p2,
+            );
+            // simple new line
+            node.attributes[name] = node.attributes[name].replace(
+              regNewlines,
+              '',
+            );
+          }
+          if (trim) {
+            node.attributes[name] = node.attributes[name].trim();
+          }
+          if (spaces) {
+            node.attributes[name] = node.attributes[name].replace(
+              regSpaces,
+              ' ',
+            );
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],332:[function(require,module,exports){
+'use strict';
+
+const { visit } = require('../xast.js');
+
+exports.name = 'cleanupEnableBackground';
+exports.description =
+  'remove or cleanup enable-background attribute when possible';
+
+/**
+ * Remove or cleanup enable-background attr which coincides with a width/height box.
+ *
+ * @see https://www.w3.org/TR/SVG11/filters.html#EnableBackgroundProperty
+ *
+ * @example
+ * <svg width="100" height="50" enable-background="new 0 0 100 50">
+ *             ⬇
+ * <svg width="100" height="50">
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root) => {
+  const regEnableBackground =
+    /^new\s0\s0\s([-+]?\d*\.?\d+([eE][-+]?\d+)?)\s([-+]?\d*\.?\d+([eE][-+]?\d+)?)$/;
+
+  let hasFilter = false;
+  visit(root, {
+    element: {
+      enter: (node) => {
+        if (node.name === 'filter') {
+          hasFilter = true;
+        }
+      },
+    },
+  });
+
+  return {
+    element: {
+      enter: (node) => {
+        if (node.attributes['enable-background'] == null) {
+          return;
+        }
+        if (hasFilter) {
+          if (
+            (node.name === 'svg' ||
+              node.name === 'mask' ||
+              node.name === 'pattern') &&
+            node.attributes.width != null &&
+            node.attributes.height != null
+          ) {
+            const match =
+              node.attributes['enable-background'].match(regEnableBackground);
+            if (
+              match != null &&
+              node.attributes.width === match[1] &&
+              node.attributes.height === match[3]
+            ) {
+              if (node.name === 'svg') {
+                delete node.attributes['enable-background'];
+              } else {
+                node.attributes['enable-background'] = 'new';
+              }
+            }
+          }
+        } else {
+          //we don't need 'enable-background' if we have no filters
+          delete node.attributes['enable-background'];
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],333:[function(require,module,exports){
+'use strict';
+
+const { visitSkip } = require('../xast.js');
+const { referencesProps } = require('./_collections.js');
+
+exports.name = 'cleanupIds';
+exports.description = 'removes unused IDs and minifies used';
+
+const regReferencesUrl = /\burl\((["'])?#(.+?)\1\)/;
+const regReferencesHref = /^#(.+?)$/;
+const regReferencesBegin = /(\D+)\./;
+const generateIdChars = [
+  'a',
+  'b',
+  'c',
+  'd',
+  'e',
+  'f',
+  'g',
+  'h',
+  'i',
+  'j',
+  'k',
+  'l',
+  'm',
+  'n',
+  'o',
+  'p',
+  'q',
+  'r',
+  's',
+  't',
+  'u',
+  'v',
+  'w',
+  'x',
+  'y',
+  'z',
+  'A',
+  'B',
+  'C',
+  'D',
+  'E',
+  'F',
+  'G',
+  'H',
+  'I',
+  'J',
+  'K',
+  'L',
+  'M',
+  'N',
+  'O',
+  'P',
+  'Q',
+  'R',
+  'S',
+  'T',
+  'U',
+  'V',
+  'W',
+  'X',
+  'Y',
+  'Z',
+];
+const maxIdIndex = generateIdChars.length - 1;
+
+/**
+ * Check if an ID starts with any one of a list of strings.
+ */
+const hasStringPrefix = (string, prefixes) => {
+  for (const prefix of prefixes) {
+    if (string.startsWith(prefix)) {
+      return true;
+    }
+  }
+  return false;
+};
+
+/**
+ * Generate unique minimal ID.
+ */
+const generateId = (currentId) => {
+  if (currentId == null) {
+    return [0];
+  }
+  currentId[currentId.length - 1] += 1;
+  for (let i = currentId.length - 1; i > 0; i--) {
+    if (currentId[i] > maxIdIndex) {
+      currentId[i] = 0;
+      if (currentId[i - 1] !== undefined) {
+        currentId[i - 1]++;
+      }
+    }
+  }
+  if (currentId[0] > maxIdIndex) {
+    currentId[0] = 0;
+    currentId.unshift(0);
+  }
+  return currentId;
+};
+
+/**
+ * Get string from generated ID array.
+ */
+const getIdString = (arr) => {
+  return arr.map((i) => generateIdChars[i]).join('');
+};
+
+/**
+ * Remove unused and minify used IDs
+ * (only if there are no any <style> or <script>).
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  const {
+    remove = true,
+    minify = true,
+    preserve = [],
+    preservePrefixes = [],
+    force = false,
+  } = params;
+  const preserveIds = new Set(
+    Array.isArray(preserve) ? preserve : preserve ? [preserve] : [],
+  );
+  const preserveIdPrefixes = Array.isArray(preservePrefixes)
+    ? preservePrefixes
+    : preservePrefixes
+    ? [preservePrefixes]
+    : [];
+  const nodeById = new Map();
+  const referencesById = new Map();
+  let deoptimized = false;
+
+  return {
+    element: {
+      enter: (node) => {
+        if (force == false) {
+          // deoptimize if style or script elements are present
+          if (
+            (node.name === 'style' || node.name === 'script') &&
+            node.children.length !== 0
+          ) {
+            deoptimized = true;
+            return;
+          }
+
+          // avoid removing IDs if the whole SVG consists only of defs
+          if (node.name === 'svg') {
+            let hasDefsOnly = true;
+            for (const child of node.children) {
+              if (child.type !== 'element' || child.name !== 'defs') {
+                hasDefsOnly = false;
+                break;
+              }
+            }
+            if (hasDefsOnly) {
+              return visitSkip;
+            }
+          }
+        }
+
+        for (const [name, value] of Object.entries(node.attributes)) {
+          if (name === 'id') {
+            // collect all ids
+            const id = value;
+            if (nodeById.has(id)) {
+              delete node.attributes.id; // remove repeated id
+            } else {
+              nodeById.set(id, node);
+            }
+          } else {
+            // collect all references
+            let id = null;
+            if (referencesProps.includes(name)) {
+              const match = value.match(regReferencesUrl);
+              if (match != null) {
+                id = match[2]; // url() reference
+              }
+            }
+            if (name === 'href' || name.endsWith(':href')) {
+              const match = value.match(regReferencesHref);
+              if (match != null) {
+                id = match[1]; // href reference
+              }
+            }
+            if (name === 'begin') {
+              const match = value.match(regReferencesBegin);
+              if (match != null) {
+                id = match[1]; // href reference
+              }
+            }
+            if (id != null) {
+              let refs = referencesById.get(id);
+              if (refs == null) {
+                refs = [];
+                referencesById.set(id, refs);
+              }
+              refs.push({ element: node, name, value });
+            }
+          }
+        }
+      },
+    },
+
+    root: {
+      exit: () => {
+        if (deoptimized) {
+          return;
+        }
+        const isIdPreserved = (id) =>
+          preserveIds.has(id) || hasStringPrefix(id, preserveIdPrefixes);
+        let currentId = null;
+        for (const [id, refs] of referencesById) {
+          const node = nodeById.get(id);
+          if (node != null) {
+            // replace referenced IDs with the minified ones
+            if (minify && isIdPreserved(id) === false) {
+              let currentIdString = null;
+              do {
+                currentId = generateId(currentId);
+                currentIdString = getIdString(currentId);
+              } while (isIdPreserved(currentIdString));
+              node.attributes.id = currentIdString;
+              for (const { element, name, value } of refs) {
+                if (value.includes('#')) {
+                  // replace id in href and url()
+                  element.attributes[name] = value.replace(
+                    `#${id}`,
+                    `#${currentIdString}`,
+                  );
+                } else {
+                  // replace id in begin attribute
+                  element.attributes[name] = value.replace(
+                    `${id}.`,
+                    `${currentIdString}.`,
+                  );
+                }
+              }
+            }
+            // keep referenced node
+            nodeById.delete(id);
+          }
+        }
+        // remove non-referenced IDs attributes from elements
+        if (remove) {
+          for (const [id, node] of nodeById) {
+            if (isIdPreserved(id) === false) {
+              delete node.attributes.id;
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384,"./_collections.js":325}],334:[function(require,module,exports){
+'use strict';
+
+const { removeLeadingZero } = require('../tools.js');
+
+exports.name = 'cleanupListOfValues';
+exports.description = 'rounds list of values to the fixed precision';
+
+const regNumericValues =
+  /^([-+]?\d*\.?\d+([eE][-+]?\d+)?)(px|pt|pc|mm|cm|m|in|ft|em|ex|%)?$/;
+const regSeparator = /\s+,?\s*|,\s*/;
+const absoluteLengths = {
+  // relative to px
+  cm: 96 / 2.54,
+  mm: 96 / 25.4,
+  in: 96,
+  pt: 4 / 3,
+  pc: 16,
+  px: 1,
+};
+
+/**
+ * Round list of values to the fixed precision.
+ *
+ * @example
+ * <svg viewBox="0 0 200.28423 200.28423" enable-background="new 0 0 200.28423 200.28423">
+ *         ⬇
+ * <svg viewBox="0 0 200.284 200.284" enable-background="new 0 0 200.284 200.284">
+ *
+ * <polygon points="208.250977 77.1308594 223.069336 ... "/>
+ *         ⬇
+ * <polygon points="208.251 77.131 223.069 ... "/>
+ *
+ * @author kiyopikko
+ */
+exports.fn = (_root, params) => {
+  const {
+    floatPrecision = 3,
+    leadingZero = true,
+    defaultPx = true,
+    convertToPx = true,
+  } = params;
+
+  const roundValues = (lists) => {
+    const roundedList = [];
+
+    for (const elem of lists.split(regSeparator)) {
+      const match = elem.match(regNumericValues);
+      const matchNew = elem.match(/new/);
+
+      // if attribute value matches regNumericValues
+      if (match) {
+        // round it to the fixed precision
+        let num = Number(Number(match[1]).toFixed(floatPrecision));
+        let matchedUnit = match[3] || '';
+        let units = matchedUnit;
+
+        // convert absolute values to pixels
+        if (convertToPx && units && units in absoluteLengths) {
+          const pxNum = Number(
+            (absoluteLengths[units] * Number(match[1])).toFixed(floatPrecision),
+          );
+
+          if (pxNum.toString().length < match[0].length) {
+            num = pxNum;
+            units = 'px';
+          }
+        }
+
+        // and remove leading zero
+        let str;
+        if (leadingZero) {
+          str = removeLeadingZero(num);
+        } else {
+          str = num.toString();
+        }
+
+        // remove default 'px' units
+        if (defaultPx && units === 'px') {
+          units = '';
+        }
+
+        roundedList.push(str + units);
+      }
+      // if attribute value is "new"(only enable-background).
+      else if (matchNew) {
+        roundedList.push('new');
+      } else if (elem) {
+        roundedList.push(elem);
+      }
+    }
+
+    return roundedList.join(' ');
+  };
+
+  return {
+    element: {
+      enter: (node) => {
+        if (node.attributes.points != null) {
+          node.attributes.points = roundValues(node.attributes.points);
+        }
+
+        if (node.attributes['enable-background'] != null) {
+          node.attributes['enable-background'] = roundValues(
+            node.attributes['enable-background'],
+          );
+        }
+
+        if (node.attributes.viewBox != null) {
+          node.attributes.viewBox = roundValues(node.attributes.viewBox);
+        }
+
+        if (node.attributes['stroke-dasharray'] != null) {
+          node.attributes['stroke-dasharray'] = roundValues(
+            node.attributes['stroke-dasharray'],
+          );
+        }
+
+        if (node.attributes.dx != null) {
+          node.attributes.dx = roundValues(node.attributes.dx);
+        }
+
+        if (node.attributes.dy != null) {
+          node.attributes.dy = roundValues(node.attributes.dy);
+        }
+
+        if (node.attributes.x != null) {
+          node.attributes.x = roundValues(node.attributes.x);
+        }
+
+        if (node.attributes.y != null) {
+          node.attributes.y = roundValues(node.attributes.y);
+        }
+      },
+    },
+  };
+};
+
+},{"../tools.js":383}],335:[function(require,module,exports){
+'use strict';
+
+const { removeLeadingZero } = require('../tools.js');
+
+exports.name = 'cleanupNumericValues';
+exports.description =
+  'rounds numeric values to the fixed precision, removes default ‘px’ units';
+
+const regNumericValues =
+  /^([-+]?\d*\.?\d+([eE][-+]?\d+)?)(px|pt|pc|mm|cm|m|in|ft|em|ex|%)?$/;
+
+const absoluteLengths = {
+  // relative to px
+  cm: 96 / 2.54,
+  mm: 96 / 25.4,
+  in: 96,
+  pt: 4 / 3,
+  pc: 16,
+  px: 1,
+};
+
+/**
+ * Round numeric values to the fixed precision,
+ * remove default 'px' units.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  const {
+    floatPrecision = 3,
+    leadingZero = true,
+    defaultPx = true,
+    convertToPx = true,
+  } = params;
+
+  return {
+    element: {
+      enter: (node) => {
+        if (node.attributes.viewBox != null) {
+          const nums = node.attributes.viewBox.split(/\s,?\s*|,\s*/g);
+          node.attributes.viewBox = nums
+            .map((value) => {
+              const num = Number(value);
+              return Number.isNaN(num)
+                ? value
+                : Number(num.toFixed(floatPrecision));
+            })
+            .join(' ');
+        }
+
+        for (const [name, value] of Object.entries(node.attributes)) {
+          // The `version` attribute is a text string and cannot be rounded
+          if (name === 'version') {
+            continue;
+          }
+
+          const match = value.match(regNumericValues);
+
+          // if attribute value matches regNumericValues
+          if (match) {
+            // round it to the fixed precision
+            let num = Number(Number(match[1]).toFixed(floatPrecision));
+            /**
+             * @type {any}
+             */
+            let matchedUnit = match[3] || '';
+            /**
+             * @type{'' | keyof typeof absoluteLengths}
+             */
+            let units = matchedUnit;
+
+            // convert absolute values to pixels
+            if (convertToPx && units !== '' && units in absoluteLengths) {
+              const pxNum = Number(
+                (absoluteLengths[units] * Number(match[1])).toFixed(
+                  floatPrecision,
+                ),
+              );
+              if (pxNum.toString().length < match[0].length) {
+                num = pxNum;
+                units = 'px';
+              }
+            }
+
+            // and remove leading zero
+            let str;
+            if (leadingZero) {
+              str = removeLeadingZero(num);
+            } else {
+              str = num.toString();
+            }
+
+            // remove default 'px' units
+            if (defaultPx && units === 'px') {
+              units = '';
+            }
+
+            node.attributes[name] = str + units;
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../tools.js":383}],336:[function(require,module,exports){
+'use strict';
+
+const { inheritableAttrs, elemsGroups } = require('./_collections.js');
+
+exports.name = 'collapseGroups';
+exports.description = 'collapses useless groups';
+
+/**
+ * @type {(node: XastNode, name: string) => boolean}
+ */
+const hasAnimatedAttr = (node, name) => {
+  if (node.type === 'element') {
+    if (
+      elemsGroups.animation.includes(node.name) &&
+      node.attributes.attributeName === name
+    ) {
+      return true;
+    }
+    for (const child of node.children) {
+      if (hasAnimatedAttr(child, name)) {
+        return true;
+      }
+    }
+  }
+  return false;
+};
+
+/**
+ * Collapse useless groups.
+ *
+ * @example
+ * <g>
+ *     <g attr1="val1">
+ *         <path d="..."/>
+ *     </g>
+ * </g>
+ *         ⬇
+ * <g>
+ *     <g>
+ *         <path attr1="val1" d="..."/>
+ *     </g>
+ * </g>
+ *         ⬇
+ * <path attr1="val1" d="..."/>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      exit: (node, parentNode) => {
+        if (parentNode.type === 'root' || parentNode.name === 'switch') {
+          return;
+        }
+        // non-empty groups
+        if (node.name !== 'g' || node.children.length === 0) {
+          return;
+        }
+
+        // move group attibutes to the single child element
+        if (
+          Object.keys(node.attributes).length !== 0 &&
+          node.children.length === 1
+        ) {
+          const firstChild = node.children[0];
+          // TODO untangle this mess
+          if (
+            firstChild.type === 'element' &&
+            firstChild.attributes.id == null &&
+            node.attributes.filter == null &&
+            (node.attributes.class == null ||
+              firstChild.attributes.class == null) &&
+            ((node.attributes['clip-path'] == null &&
+              node.attributes.mask == null) ||
+              (firstChild.name === 'g' &&
+                node.attributes.transform == null &&
+                firstChild.attributes.transform == null))
+          ) {
+            for (const [name, value] of Object.entries(node.attributes)) {
+              // avoid copying to not conflict with animated attribute
+              if (hasAnimatedAttr(firstChild, name)) {
+                return;
+              }
+              if (firstChild.attributes[name] == null) {
+                firstChild.attributes[name] = value;
+              } else if (name === 'transform') {
+                firstChild.attributes[name] =
+                  value + ' ' + firstChild.attributes[name];
+              } else if (firstChild.attributes[name] === 'inherit') {
+                firstChild.attributes[name] = value;
+              } else if (
+                inheritableAttrs.includes(name) === false &&
+                firstChild.attributes[name] !== value
+              ) {
+                return;
+              }
+              delete node.attributes[name];
+            }
+          }
+        }
+
+        // collapse groups without attributes
+        if (Object.keys(node.attributes).length === 0) {
+          // animation elements "add" attributes to group
+          // group should be preserved
+          for (const child of node.children) {
+            if (
+              child.type === 'element' &&
+              elemsGroups.animation.includes(child.name)
+            ) {
+              return;
+            }
+          }
+          // replace current node with all its children
+          const index = parentNode.children.indexOf(node);
+          parentNode.children.splice(index, 1, ...node.children);
+          // TODO remove legacy parentNode in v4
+          for (const child of node.children) {
+            Object.defineProperty(child, 'parentNode', {
+              writable: true,
+              value: parentNode,
+            });
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections.js":325}],337:[function(require,module,exports){
+'use strict';
+
+const collections = require('./_collections.js');
+
+exports.name = 'convertColors';
+exports.description = 'converts colors: rgb() to #rrggbb and #rrggbb to #rgb';
+
+const rNumber = '([+-]?(?:\\d*\\.\\d+|\\d+\\.?)%?)';
+const rComma = '\\s*,\\s*';
+const regRGB = new RegExp(
+  '^rgb\\(\\s*' + rNumber + rComma + rNumber + rComma + rNumber + '\\s*\\)$',
+);
+const regHEX = /^#(([a-fA-F0-9])\2){3}$/;
+
+/**
+ * Convert [r, g, b] to #rrggbb.
+ *
+ * @see https://gist.github.com/983535
+ *
+ * @example
+ * rgb2hex([255, 255, 255]) // '#ffffff'
+ *
+ * @author Jed Schmidt
+ */
+const convertRgbToHex = ([r, g, b]) => {
+  // combine the octets into a 32-bit integer as: [1][r][g][b]
+  const hexNumber =
+    // operator precedence is (+) > (<<) > (|)
+    ((((256 + // [1][0]
+      r) << // [1][r]
+      8) | // [1][r][0]
+      g) << // [1][r][g]
+      8) | // [1][r][g][0]
+    b;
+  // serialize [1][r][g][b] to a hex string, and
+  // remove the 1 to get the number with 0s intact
+  return '#' + hexNumber.toString(16).slice(1).toUpperCase();
+};
+
+/**
+ * Convert different colors formats in element attributes to hex.
+ *
+ * @see https://www.w3.org/TR/SVG11/types.html#DataTypeColor
+ * @see https://www.w3.org/TR/SVG11/single-page.html#types-ColorKeywords
+ *
+ * @example
+ * Convert color name keyword to long hex:
+ * fuchsia ➡ #ff00ff
+ *
+ * Convert rgb() to long hex:
+ * rgb(255, 0, 255) ➡ #ff00ff
+ * rgb(50%, 100, 100%) ➡ #7f64ff
+ *
+ * Convert long hex to short hex:
+ * #aabbcc ➡ #abc
+ *
+ * Convert hex to short name
+ * #000080 ➡ navy
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  const {
+    currentColor = false,
+    names2hex = true,
+    rgb2hex = true,
+    shorthex = true,
+    shortname = true,
+  } = params;
+
+  return {
+    element: {
+      enter: (node) => {
+        for (const [name, value] of Object.entries(node.attributes)) {
+          if (collections.colorsProps.includes(name)) {
+            let val = value;
+
+            // convert colors to currentColor
+            if (currentColor) {
+              let matched;
+              if (typeof currentColor === 'string') {
+                matched = val === currentColor;
+              } else if (currentColor instanceof RegExp) {
+                matched = currentColor.exec(val) != null;
+              } else {
+                matched = val !== 'none';
+              }
+              if (matched) {
+                val = 'currentColor';
+              }
+            }
+
+            // convert color name keyword to long hex
+            if (names2hex) {
+              const colorName = val.toLowerCase();
+              if (collections.colorsNames[colorName] != null) {
+                val = collections.colorsNames[colorName];
+              }
+            }
+
+            // convert rgb() to long hex
+            if (rgb2hex) {
+              let match = val.match(regRGB);
+              if (match != null) {
+                let nums = match.slice(1, 4).map((m) => {
+                  let n;
+                  if (m.indexOf('%') > -1) {
+                    n = Math.round(parseFloat(m) * 2.55);
+                  } else {
+                    n = Number(m);
+                  }
+                  return Math.max(0, Math.min(n, 255));
+                });
+                val = convertRgbToHex(nums);
+              }
+            }
+
+            // convert long hex to short hex
+            if (shorthex) {
+              let match = val.match(regHEX);
+              if (match != null) {
+                val = '#' + match[0][1] + match[0][3] + match[0][5];
+              }
+            }
+
+            // convert hex to short name
+            if (shortname) {
+              const colorName = val.toLowerCase();
+              if (collections.colorsShortNames[colorName] != null) {
+                val = collections.colorsShortNames[colorName];
+              }
+            }
+
+            node.attributes[name] = val;
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections.js":325}],338:[function(require,module,exports){
+'use strict';
+
+exports.name = 'convertEllipseToCircle';
+exports.description = 'converts non-eccentric <ellipse>s to <circle>s';
+
+/**
+ * Converts non-eccentric <ellipse>s to <circle>s.
+ *
+ * @see https://www.w3.org/TR/SVG11/shapes.html
+ *
+ * @author Taylor Hunt
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'ellipse') {
+          const rx = node.attributes.rx || '0';
+          const ry = node.attributes.ry || '0';
+          if (
+            rx === ry ||
+            rx === 'auto' ||
+            ry === 'auto' // SVG2
+          ) {
+            node.name = 'circle';
+            const radius = rx === 'auto' ? ry : rx;
+            delete node.attributes.rx;
+            delete node.attributes.ry;
+            node.attributes.r = radius;
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],339:[function(require,module,exports){
+'use strict';
+
+const { collectStylesheet, computeStyle } = require('../style.js');
+const { visit } = require('../xast.js');
+const { pathElems } = require('./_collections.js');
+const { path2js, js2path } = require('./_path.js');
+const { applyTransforms } = require('./applyTransforms.js');
+const { cleanupOutData } = require('../tools.js');
+
+exports.name = 'convertPathData';
+exports.description =
+  'optimizes path data: writes in shorter form, applies transformations';
+
+let roundData;
+let precision;
+let error;
+let arcThreshold;
+let arcTolerance;
+
+/**
+ * Convert absolute Path to relative,
+ * collapse repeated instructions,
+ * detect and convert Lineto shorthands,
+ * remove useless instructions like "l0,0",
+ * trim useless delimiters and leading zeros,
+ * decrease accuracy of floating-point numbers.
+ *
+ * @see https://www.w3.org/TR/SVG11/paths.html#PathData
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const {
+    // TODO convert to separate plugin in v3
+    applyTransforms: _applyTransforms = true,
+    applyTransformsStroked = true,
+    makeArcs = {
+      threshold: 2.5, // coefficient of rounding error
+      tolerance: 0.5, // percentage of radius
+    },
+    straightCurves = true,
+    lineShorthands = true,
+    curveSmoothShorthands = true,
+    floatPrecision = 3,
+    transformPrecision = 5,
+    removeUseless = true,
+    collapseRepeated = true,
+    utilizeAbsolute = true,
+    leadingZero = true,
+    negativeExtraSpace = true,
+    noSpaceAfterFlags = false, // a20 60 45 0 1 30 20 → a20 60 45 0130 20
+    forceAbsolutePath = false,
+  } = params;
+
+  const newParams = {
+    applyTransforms: _applyTransforms,
+    applyTransformsStroked,
+    makeArcs,
+    straightCurves,
+    lineShorthands,
+    curveSmoothShorthands,
+    floatPrecision,
+    transformPrecision,
+    removeUseless,
+    collapseRepeated,
+    utilizeAbsolute,
+    leadingZero,
+    negativeExtraSpace,
+    noSpaceAfterFlags,
+    forceAbsolutePath,
+  };
+
+  // invoke applyTransforms plugin
+  if (_applyTransforms) {
+    visit(
+      root,
+      // @ts-ignore
+      applyTransforms(root, {
+        transformPrecision,
+        applyTransformsStroked,
+      }),
+    );
+  }
+
+  const stylesheet = collectStylesheet(root);
+  return {
+    element: {
+      enter: (node) => {
+        if (pathElems.includes(node.name) && node.attributes.d != null) {
+          const computedStyle = computeStyle(stylesheet, node);
+          precision = floatPrecision;
+          error =
+            precision !== false
+              ? +Math.pow(0.1, precision).toFixed(precision)
+              : 1e-2;
+          roundData = precision > 0 && precision < 20 ? strongRound : round;
+          if (makeArcs) {
+            arcThreshold = makeArcs.threshold;
+            arcTolerance = makeArcs.tolerance;
+          }
+          const hasMarkerMid = computedStyle['marker-mid'] != null;
+
+          const maybeHasStroke =
+            computedStyle.stroke &&
+            (computedStyle.stroke.type === 'dynamic' ||
+              computedStyle.stroke.value !== 'none');
+          const maybeHasLinecap =
+            computedStyle['stroke-linecap'] &&
+            (computedStyle['stroke-linecap'].type === 'dynamic' ||
+              computedStyle['stroke-linecap'].value !== 'butt');
+          const maybeHasStrokeAndLinecap = maybeHasStroke && maybeHasLinecap;
+
+          var data = path2js(node);
+
+          // TODO: get rid of functions returns
+          if (data.length) {
+            convertToRelative(data);
+
+            data = filters(data, newParams, {
+              maybeHasStrokeAndLinecap,
+              hasMarkerMid,
+            });
+
+            if (utilizeAbsolute) {
+              data = convertToMixed(data, newParams);
+            }
+
+            // @ts-ignore
+            js2path(node, data, newParams);
+          }
+        }
+      },
+    },
+  };
+};
+
+/**
+ * Convert absolute path data coordinates to relative.
+ */
+const convertToRelative = (pathData) => {
+  let start = [0, 0];
+  let cursor = [0, 0];
+  let prevCoords = [0, 0];
+
+  for (let i = 0; i < pathData.length; i += 1) {
+    const pathItem = pathData[i];
+    let { command, args } = pathItem;
+
+    // moveto (x y)
+    if (command === 'm') {
+      // update start and cursor
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+      start[0] = cursor[0];
+      start[1] = cursor[1];
+    }
+    if (command === 'M') {
+      // M → m
+      // skip first moveto
+      if (i !== 0) {
+        command = 'm';
+      }
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      // update start and cursor
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+      start[0] = cursor[0];
+      start[1] = cursor[1];
+    }
+
+    // lineto (x y)
+    if (command === 'l') {
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+    }
+    if (command === 'L') {
+      // L → l
+      command = 'l';
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+    }
+
+    // horizontal lineto (x)
+    if (command === 'h') {
+      cursor[0] += args[0];
+    }
+    if (command === 'H') {
+      // H → h
+      command = 'h';
+      args[0] -= cursor[0];
+      cursor[0] += args[0];
+    }
+
+    // vertical lineto (y)
+    if (command === 'v') {
+      cursor[1] += args[0];
+    }
+    if (command === 'V') {
+      // V → v
+      command = 'v';
+      args[0] -= cursor[1];
+      cursor[1] += args[0];
+    }
+
+    // curveto (x1 y1 x2 y2 x y)
+    if (command === 'c') {
+      cursor[0] += args[4];
+      cursor[1] += args[5];
+    }
+    if (command === 'C') {
+      // C → c
+      command = 'c';
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      args[2] -= cursor[0];
+      args[3] -= cursor[1];
+      args[4] -= cursor[0];
+      args[5] -= cursor[1];
+      cursor[0] += args[4];
+      cursor[1] += args[5];
+    }
+
+    // smooth curveto (x2 y2 x y)
+    if (command === 's') {
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+    }
+    if (command === 'S') {
+      // S → s
+      command = 's';
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      args[2] -= cursor[0];
+      args[3] -= cursor[1];
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+    }
+
+    // quadratic Bézier curveto (x1 y1 x y)
+    if (command === 'q') {
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+    }
+    if (command === 'Q') {
+      // Q → q
+      command = 'q';
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      args[2] -= cursor[0];
+      args[3] -= cursor[1];
+      cursor[0] += args[2];
+      cursor[1] += args[3];
+    }
+
+    // smooth quadratic Bézier curveto (x y)
+    if (command === 't') {
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+    }
+    if (command === 'T') {
+      // T → t
+      command = 't';
+      args[0] -= cursor[0];
+      args[1] -= cursor[1];
+      cursor[0] += args[0];
+      cursor[1] += args[1];
+    }
+
+    // elliptical arc (rx ry x-axis-rotation large-arc-flag sweep-flag x y)
+    if (command === 'a') {
+      cursor[0] += args[5];
+      cursor[1] += args[6];
+    }
+    if (command === 'A') {
+      // A → a
+      command = 'a';
+      args[5] -= cursor[0];
+      args[6] -= cursor[1];
+      cursor[0] += args[5];
+      cursor[1] += args[6];
+    }
+
+    // closepath
+    if (command === 'Z' || command === 'z') {
+      // reset cursor
+      cursor[0] = start[0];
+      cursor[1] = start[1];
+    }
+
+    pathItem.command = command;
+    pathItem.args = args;
+    // store absolute coordinates for later use
+    // base should preserve reference from other element
+    // @ts-ignore
+    pathItem.base = prevCoords;
+    // @ts-ignore
+    pathItem.coords = [cursor[0], cursor[1]];
+    // @ts-ignore
+    prevCoords = pathItem.coords;
+  }
+
+  return pathData;
+};
+
+/**
+ * Main filters loop.
+ */
+function filters(path, params, { maybeHasStrokeAndLinecap, hasMarkerMid }) {
+  var stringify = data2Path.bind(null, params),
+    relSubpoint = [0, 0],
+    pathBase = [0, 0],
+    prev = {};
+
+  path = path.filter(function (item, index, path) {
+    let command = item.command;
+    let data = item.args;
+    let next = path[index + 1];
+
+    if (command !== 'Z' && command !== 'z') {
+      var sdata = data,
+        circle;
+
+      if (command === 's') {
+        sdata = [0, 0].concat(data);
+
+        // @ts-ignore
+        var pdata = prev.args,
+          n = pdata.length;
+
+        // (-x, -y) of the prev tangent point relative to the current point
+        sdata[0] = pdata[n - 2] - pdata[n - 4];
+        sdata[1] = pdata[n - 1] - pdata[n - 3];
+      }
+
+      // convert curves to arcs if possible
+      if (
+        params.makeArcs &&
+        (command == 'c' || command == 's') &&
+        isConvex(sdata) &&
+        (circle = findCircle(sdata))
+      ) {
+        var r = roundData([circle.radius])[0],
+          angle = findArcAngle(sdata, circle),
+          sweep = sdata[5] * sdata[0] - sdata[4] * sdata[1] > 0 ? 1 : 0,
+          arc = {
+            command: 'a',
+            args: [r, r, 0, 0, sweep, sdata[4], sdata[5]],
+            // @ts-ignore
+            coords: item.coords.slice(),
+            // @ts-ignore
+            base: item.base,
+          },
+          output = [arc],
+          // relative coordinates to adjust the found circle
+          relCenter = [
+            circle.center[0] - sdata[4],
+            circle.center[1] - sdata[5],
+          ],
+          relCircle = { center: relCenter, radius: circle.radius },
+          arcCurves = [item],
+          hasPrev = 0,
+          suffix = '',
+          nextLonghand;
+
+        if (
+          // @ts-ignore
+          (prev.command == 'c' &&
+            // @ts-ignore
+            isConvex(prev.args) &&
+            // @ts-ignore
+            isArcPrev(prev.args, circle)) ||
+          // @ts-ignore
+          (prev.command == 'a' && prev.sdata && isArcPrev(prev.sdata, circle))
+        ) {
+          // @ts-ignore
+          arcCurves.unshift(prev);
+          // @ts-ignore
+          arc.base = prev.base;
+          // @ts-ignore
+          arc.args[5] = arc.coords[0] - arc.base[0];
+          // @ts-ignore
+          arc.args[6] = arc.coords[1] - arc.base[1];
+          // @ts-ignore
+          var prevData = prev.command == 'a' ? prev.sdata : prev.args;
+          var prevAngle = findArcAngle(prevData, {
+            center: [
+              prevData[4] + circle.center[0],
+              prevData[5] + circle.center[1],
+            ],
+            radius: circle.radius,
+          });
+          angle += prevAngle;
+          if (angle > Math.PI) arc.args[3] = 1;
+          hasPrev = 1;
+        }
+
+        // check if next curves are fitting the arc
+        for (
+          var j = index;
+          (next = path[++j]) && ~'cs'.indexOf(next.command);
+
+        ) {
+          var nextData = next.args;
+          if (next.command == 's') {
+            nextLonghand = makeLonghand(
+              { command: 's', args: next.args.slice() },
+              path[j - 1].args,
+            );
+            nextData = nextLonghand.args;
+            nextLonghand.args = nextData.slice(0, 2);
+            suffix = stringify([nextLonghand]);
+          }
+          if (isConvex(nextData) && isArc(nextData, relCircle)) {
+            angle += findArcAngle(nextData, relCircle);
+            if (angle - 2 * Math.PI > 1e-3) break; // more than 360°
+            if (angle > Math.PI) arc.args[3] = 1;
+            arcCurves.push(next);
+            if (2 * Math.PI - angle > 1e-3) {
+              // less than 360°
+              // @ts-ignore
+              arc.coords = next.coords;
+              // @ts-ignore
+              arc.args[5] = arc.coords[0] - arc.base[0];
+              // @ts-ignore
+              arc.args[6] = arc.coords[1] - arc.base[1];
+            } else {
+              // full circle, make a half-circle arc and add a second one
+              arc.args[5] = 2 * (relCircle.center[0] - nextData[4]);
+              arc.args[6] = 2 * (relCircle.center[1] - nextData[5]);
+              // @ts-ignore
+              arc.coords = [
+                // @ts-ignore
+                arc.base[0] + arc.args[5],
+                // @ts-ignore
+                arc.base[1] + arc.args[6],
+              ];
+              arc = {
+                command: 'a',
+                args: [
+                  r,
+                  r,
+                  0,
+                  0,
+                  sweep,
+                  // @ts-ignore
+                  next.coords[0] - arc.coords[0],
+                  // @ts-ignore
+                  next.coords[1] - arc.coords[1],
+                ],
+                // @ts-ignore
+                coords: next.coords,
+                // @ts-ignore
+                base: arc.coords,
+              };
+              output.push(arc);
+              j++;
+              break;
+            }
+            relCenter[0] -= nextData[4];
+            relCenter[1] -= nextData[5];
+          } else break;
+        }
+
+        if ((stringify(output) + suffix).length < stringify(arcCurves).length) {
+          if (path[j] && path[j].command == 's') {
+            makeLonghand(path[j], path[j - 1].args);
+          }
+          if (hasPrev) {
+            var prevArc = output.shift();
+            // @ts-ignore
+            roundData(prevArc.args);
+            // @ts-ignore
+            relSubpoint[0] += prevArc.args[5] - prev.args[prev.args.length - 2];
+            // @ts-ignore
+            relSubpoint[1] += prevArc.args[6] - prev.args[prev.args.length - 1];
+            // @ts-ignore
+            prev.command = 'a';
+            // @ts-ignore
+            prev.args = prevArc.args;
+            // @ts-ignore
+            item.base = prev.coords = prevArc.coords;
+          }
+          // @ts-ignore
+          arc = output.shift();
+          if (arcCurves.length == 1) {
+            // @ts-ignore
+            item.sdata = sdata.slice(); // preserve curve data for future checks
+          } else if (arcCurves.length - 1 - hasPrev > 0) {
+            // filter out consumed next items
+            path.splice.apply(
+              path,
+              // @ts-ignore
+              [index + 1, arcCurves.length - 1 - hasPrev].concat(output),
+            );
+          }
+          if (!arc) return false;
+          command = 'a';
+          data = arc.args;
+          // @ts-ignore
+          item.coords = arc.coords;
+        }
+      }
+
+      // Rounding relative coordinates, taking in account accummulating error
+      // to get closer to absolute coordinates. Sum of rounded value remains same:
+      // l .25 3 .25 2 .25 3 .25 2 -> l .3 3 .2 2 .3 3 .2 2
+      if (precision !== false) {
+        if (
+          command === 'm' ||
+          command === 'l' ||
+          command === 't' ||
+          command === 'q' ||
+          command === 's' ||
+          command === 'c'
+        ) {
+          for (var i = data.length; i--; ) {
+            // @ts-ignore
+            data[i] += item.base[i % 2] - relSubpoint[i % 2];
+          }
+        } else if (command == 'h') {
+          // @ts-ignore
+          data[0] += item.base[0] - relSubpoint[0];
+        } else if (command == 'v') {
+          // @ts-ignore
+          data[0] += item.base[1] - relSubpoint[1];
+        } else if (command == 'a') {
+          // @ts-ignore
+          data[5] += item.base[0] - relSubpoint[0];
+          // @ts-ignore
+          data[6] += item.base[1] - relSubpoint[1];
+        }
+        roundData(data);
+
+        if (command == 'h') relSubpoint[0] += data[0];
+        else if (command == 'v') relSubpoint[1] += data[0];
+        else {
+          relSubpoint[0] += data[data.length - 2];
+          relSubpoint[1] += data[data.length - 1];
+        }
+        roundData(relSubpoint);
+
+        if (command === 'M' || command === 'm') {
+          pathBase[0] = relSubpoint[0];
+          pathBase[1] = relSubpoint[1];
+        }
+      }
+
+      // convert straight curves into lines segments
+      if (params.straightCurves) {
+        if (
+          (command === 'c' && isCurveStraightLine(data)) ||
+          (command === 's' && isCurveStraightLine(sdata))
+        ) {
+          if (next && next.command == 's') makeLonghand(next, data); // fix up next curve
+          command = 'l';
+          data = data.slice(-2);
+        } else if (command === 'q' && isCurveStraightLine(data)) {
+          if (next && next.command == 't') makeLonghand(next, data); // fix up next curve
+          command = 'l';
+          data = data.slice(-2);
+        } else if (
+          command === 't' &&
+          // @ts-ignore
+          prev.command !== 'q' &&
+          // @ts-ignore
+          prev.command !== 't'
+        ) {
+          command = 'l';
+          data = data.slice(-2);
+        } else if (command === 'a' && (data[0] === 0 || data[1] === 0)) {
+          command = 'l';
+          data = data.slice(-2);
+        }
+      }
+
+      // horizontal and vertical line shorthands
+      // l 50 0 → h 50
+      // l 0 50 → v 50
+      if (params.lineShorthands && command === 'l') {
+        if (data[1] === 0) {
+          command = 'h';
+          data.pop();
+        } else if (data[0] === 0) {
+          command = 'v';
+          data.shift();
+        }
+      }
+
+      // collapse repeated commands
+      // h 20 h 30 -> h 50
+      if (
+        params.collapseRepeated &&
+        hasMarkerMid === false &&
+        (command === 'm' || command === 'h' || command === 'v') &&
+        // @ts-ignore
+        prev.command &&
+        // @ts-ignore
+        command == prev.command.toLowerCase() &&
+        ((command != 'h' && command != 'v') ||
+          // @ts-ignore
+          prev.args[0] >= 0 == data[0] >= 0)
+      ) {
+        // @ts-ignore
+        prev.args[0] += data[0];
+        if (command != 'h' && command != 'v') {
+          // @ts-ignore
+          prev.args[1] += data[1];
+        }
+        // @ts-ignore
+        prev.coords = item.coords;
+        // @ts-ignore
+        path[index] = prev;
+        return false;
+      }
+
+      // convert curves into smooth shorthands
+      // @ts-ignore
+      if (params.curveSmoothShorthands && prev.command) {
+        // curveto
+        if (command === 'c') {
+          // c + c → c + s
+          if (
+            // @ts-ignore
+            prev.command === 'c' &&
+            // @ts-ignore
+            data[0] === -(prev.args[2] - prev.args[4]) &&
+            // @ts-ignore
+            data[1] === -(prev.args[3] - prev.args[5])
+          ) {
+            command = 's';
+            data = data.slice(2);
+          }
+
+          // s + c → s + s
+          else if (
+            // @ts-ignore
+            prev.command === 's' &&
+            // @ts-ignore
+            data[0] === -(prev.args[0] - prev.args[2]) &&
+            // @ts-ignore
+            data[1] === -(prev.args[1] - prev.args[3])
+          ) {
+            command = 's';
+            data = data.slice(2);
+          }
+
+          // [^cs] + c → [^cs] + s
+          else if (
+            // @ts-ignore
+            prev.command !== 'c' &&
+            // @ts-ignore
+            prev.command !== 's' &&
+            data[0] === 0 &&
+            data[1] === 0
+          ) {
+            command = 's';
+            data = data.slice(2);
+          }
+        }
+
+        // quadratic Bézier curveto
+        else if (command === 'q') {
+          // q + q → q + t
+          if (
+            // @ts-ignore
+            prev.command === 'q' &&
+            // @ts-ignore
+            data[0] === prev.args[2] - prev.args[0] &&
+            // @ts-ignore
+            data[1] === prev.args[3] - prev.args[1]
+          ) {
+            command = 't';
+            data = data.slice(2);
+          }
+
+          // t + q → t + t
+          else if (
+            // @ts-ignore
+            prev.command === 't' &&
+            // @ts-ignore
+            data[2] === prev.args[0] &&
+            // @ts-ignore
+            data[3] === prev.args[1]
+          ) {
+            command = 't';
+            data = data.slice(2);
+          }
+        }
+      }
+
+      // remove useless non-first path segments
+      if (params.removeUseless && !maybeHasStrokeAndLinecap) {
+        // l 0,0 / h 0 / v 0 / q 0,0 0,0 / t 0,0 / c 0,0 0,0 0,0 / s 0,0 0,0
+        if (
+          (command === 'l' ||
+            command === 'h' ||
+            command === 'v' ||
+            command === 'q' ||
+            command === 't' ||
+            command === 'c' ||
+            command === 's') &&
+          data.every(function (i) {
+            return i === 0;
+          })
+        ) {
+          // @ts-ignore
+          path[index] = prev;
+          return false;
+        }
+
+        // a 25,25 -30 0,1 0,0
+        if (command === 'a' && data[5] === 0 && data[6] === 0) {
+          // @ts-ignore
+          path[index] = prev;
+          return false;
+        }
+      }
+
+      item.command = command;
+      item.args = data;
+
+      prev = item;
+    } else {
+      // z resets coordinates
+      relSubpoint[0] = pathBase[0];
+      relSubpoint[1] = pathBase[1];
+      // @ts-ignore
+      if (prev.command === 'Z' || prev.command === 'z') return false;
+      prev = item;
+    }
+
+    return true;
+  });
+
+  return path;
+}
+
+/**
+ * Writes data in shortest form using absolute or relative coordinates.
+ */
+function convertToMixed(path, params) {
+  var prev = path[0];
+
+  path = path.filter(function (item, index) {
+    if (index == 0) return true;
+    if (item.command === 'Z' || item.command === 'z') {
+      prev = item;
+      return true;
+    }
+
+    var command = item.command,
+      data = item.args,
+      adata = data.slice();
+
+    if (
+      command === 'm' ||
+      command === 'l' ||
+      command === 't' ||
+      command === 'q' ||
+      command === 's' ||
+      command === 'c'
+    ) {
+      for (var i = adata.length; i--; ) {
+        // @ts-ignore
+        adata[i] += item.base[i % 2];
+      }
+    } else if (command == 'h') {
+      // @ts-ignore
+      adata[0] += item.base[0];
+    } else if (command == 'v') {
+      // @ts-ignore
+      adata[0] += item.base[1];
+    } else if (command == 'a') {
+      // @ts-ignore
+      adata[5] += item.base[0];
+      // @ts-ignore
+      adata[6] += item.base[1];
+    }
+
+    roundData(adata);
+
+    var absoluteDataStr = cleanupOutData(adata, params),
+      relativeDataStr = cleanupOutData(data, params);
+
+    // Convert to absolute coordinates if it's shorter or forceAbsolutePath is true.
+    // v-20 -> V0
+    // Don't convert if it fits following previous command.
+    // l20 30-10-50 instead of l20 30L20 30
+    if (
+      params.forceAbsolutePath ||
+      (absoluteDataStr.length < relativeDataStr.length &&
+        !(
+          params.negativeExtraSpace &&
+          command == prev.command &&
+          prev.command.charCodeAt(0) > 96 &&
+          absoluteDataStr.length == relativeDataStr.length - 1 &&
+          (data[0] < 0 ||
+            // @ts-ignore
+            (/^0\./.test(data[0]) && prev.args[prev.args.length - 1] % 1))
+        ))
+    ) {
+      // @ts-ignore
+      item.command = command.toUpperCase();
+      item.args = adata;
+    }
+
+    prev = item;
+
+    return true;
+  });
+
+  return path;
+}
+
+/**
+ * Checks if curve is convex. Control points of such a curve must form
+ * a convex quadrilateral with diagonals crosspoint inside of it.
+ */
+function isConvex(data) {
+  var center = getIntersection([
+    0,
+    0,
+    data[2],
+    data[3],
+    data[0],
+    data[1],
+    data[4],
+    data[5],
+  ]);
+
+  return (
+    center != null &&
+    data[2] < center[0] == center[0] < 0 &&
+    data[3] < center[1] == center[1] < 0 &&
+    data[4] < center[0] == center[0] < data[0] &&
+    data[5] < center[1] == center[1] < data[1]
+  );
+}
+
+/**
+ * Computes lines equations by two points and returns their intersection point.
+ */
+function getIntersection(coords) {
+  // Prev line equation parameters.
+  var a1 = coords[1] - coords[3], // y1 - y2
+    b1 = coords[2] - coords[0], // x2 - x1
+    c1 = coords[0] * coords[3] - coords[2] * coords[1], // x1 * y2 - x2 * y1
+    // Next line equation parameters
+    a2 = coords[5] - coords[7], // y1 - y2
+    b2 = coords[6] - coords[4], // x2 - x1
+    c2 = coords[4] * coords[7] - coords[5] * coords[6], // x1 * y2 - x2 * y1
+    denom = a1 * b2 - a2 * b1;
+
+  if (!denom) return; // parallel lines havn't an intersection
+
+  var cross = [(b1 * c2 - b2 * c1) / denom, (a1 * c2 - a2 * c1) / -denom];
+  if (
+    !isNaN(cross[0]) &&
+    !isNaN(cross[1]) &&
+    isFinite(cross[0]) &&
+    isFinite(cross[1])
+  ) {
+    return cross;
+  }
+}
+
+/**
+ * Does the same as `Number.prototype.toFixed` but without casting
+ * the return value to a string.
+ */
+function toFixed(num, precision) {
+  const pow = 10 ** precision;
+  return Math.round(num * pow) / pow;
+}
+
+/**
+ * Decrease accuracy of floating-point numbers
+ * in path data keeping a specified number of decimals.
+ * Smart rounds values like 2.3491 to 2.35 instead of 2.349.
+ * Doesn't apply "smartness" if the number precision fits already.
+ */
+function strongRound(data) {
+  const precisionNum = precision || 0;
+  for (let i = data.length; i-- > 0; ) {
+    const fixed = toFixed(data[i], precisionNum);
+    if (fixed !== data[i]) {
+      const rounded = toFixed(data[i], precisionNum - 1);
+      data[i] =
+        toFixed(Math.abs(rounded - data[i]), precisionNum + 1) >= error
+          ? fixed
+          : rounded;
+    }
+  }
+  return data;
+}
+
+/**
+ * Simple rounding function if precision is 0.
+ */
+function round(data) {
+  for (var i = data.length; i-- > 0; ) {
+    data[i] = Math.round(data[i]);
+  }
+  return data;
+}
+
+/**
+ * Checks if a curve is a straight line by measuring distance
+ * from middle points to the line formed by end points.
+ */
+
+function isCurveStraightLine(data) {
+  // Get line equation a·x + b·y + c = 0 coefficients a, b (c = 0) by start and end points.
+  var i = data.length - 2,
+    a = -data[i + 1], // y1 − y2 (y1 = 0)
+    b = data[i], // x2 − x1 (x1 = 0)
+    d = 1 / (a * a + b * b); // same part for all points
+
+  if (i <= 1 || !isFinite(d)) return false; // curve that ends at start point isn't the case
+
+  // Distance from point (x0, y0) to the line is sqrt((c − a·x0 − b·y0)² / (a² + b²))
+  while ((i -= 2) >= 0) {
+    if (Math.sqrt(Math.pow(a * data[i] + b * data[i + 1], 2) * d) > error)
+      return false;
+  }
+
+  return true;
+}
+
+/**
+ * Converts next curve from shorthand to full form using the current curve data.
+ */
+
+function makeLonghand(item, data) {
+  switch (item.command) {
+    case 's':
+      item.command = 'c';
+      break;
+    case 't':
+      item.command = 'q';
+      break;
+  }
+  item.args.unshift(
+    data[data.length - 2] - data[data.length - 4],
+    data[data.length - 1] - data[data.length - 3],
+  );
+  return item;
+}
+
+/**
+ * Returns distance between two points
+ */
+
+function getDistance(point1, point2) {
+  return Math.hypot(point1[0] - point2[0], point1[1] - point2[1]);
+}
+
+/**
+ * Returns coordinates of the curve point corresponding to the certain t
+ * a·(1 - t)³·p1 + b·(1 - t)²·t·p2 + c·(1 - t)·t²·p3 + d·t³·p4,
+ * where pN are control points and p1 is zero due to relative coordinates.
+ */
+
+function getCubicBezierPoint(curve, t) {
+  var sqrT = t * t,
+    cubT = sqrT * t,
+    mt = 1 - t,
+    sqrMt = mt * mt;
+
+  return [
+    3 * sqrMt * t * curve[0] + 3 * mt * sqrT * curve[2] + cubT * curve[4],
+    3 * sqrMt * t * curve[1] + 3 * mt * sqrT * curve[3] + cubT * curve[5],
+  ];
+}
+
+/**
+ * Finds circle by 3 points of the curve and checks if the curve fits the found circle.
+ */
+
+function findCircle(curve) {
+  var midPoint = getCubicBezierPoint(curve, 1 / 2),
+    m1 = [midPoint[0] / 2, midPoint[1] / 2],
+    m2 = [(midPoint[0] + curve[4]) / 2, (midPoint[1] + curve[5]) / 2],
+    center = getIntersection([
+      m1[0],
+      m1[1],
+      m1[0] + m1[1],
+      m1[1] - m1[0],
+      m2[0],
+      m2[1],
+      m2[0] + (m2[1] - midPoint[1]),
+      m2[1] - (m2[0] - midPoint[0]),
+    ]),
+    radius = center && getDistance([0, 0], center),
+    // @ts-ignore
+    tolerance = Math.min(arcThreshold * error, (arcTolerance * radius) / 100);
+
+  if (
+    center &&
+    // @ts-ignore
+    radius < 1e15 &&
+    [1 / 4, 3 / 4].every(function (point) {
+      return (
+        Math.abs(
+          // @ts-ignore
+          getDistance(getCubicBezierPoint(curve, point), center) - radius,
+        ) <= tolerance
+      );
+    })
+  )
+    // @ts-ignore
+    return { center: center, radius: radius };
+}
+
+/**
+ * Checks if a curve fits the given circle.
+ */
+
+function isArc(curve, circle) {
+  var tolerance = Math.min(
+    arcThreshold * error,
+    (arcTolerance * circle.radius) / 100,
+  );
+
+  return [0, 1 / 4, 1 / 2, 3 / 4, 1].every(function (point) {
+    return (
+      Math.abs(
+        getDistance(getCubicBezierPoint(curve, point), circle.center) -
+          circle.radius,
+      ) <= tolerance
+    );
+  });
+}
+
+/**
+ * Checks if a previous curve fits the given circle.
+ */
+
+function isArcPrev(curve, circle) {
+  return isArc(curve, {
+    center: [circle.center[0] + curve[4], circle.center[1] + curve[5]],
+    radius: circle.radius,
+  });
+}
+
+/**
+ * Finds angle of a curve fitting the given arc.
+ */
+
+function findArcAngle(curve, relCircle) {
+  var x1 = -relCircle.center[0],
+    y1 = -relCircle.center[1],
+    x2 = curve[4] - relCircle.center[0],
+    y2 = curve[5] - relCircle.center[1];
+
+  return Math.acos(
+    (x1 * x2 + y1 * y2) / Math.sqrt((x1 * x1 + y1 * y1) * (x2 * x2 + y2 * y2)),
+  );
+}
+
+/**
+ * Converts given path data to string.
+ */
+
+function data2Path(params, pathData) {
+  return pathData.reduce(function (pathString, item) {
+    var strData = '';
+    if (item.args) {
+      strData = cleanupOutData(roundData(item.args.slice()), params);
+    }
+    return pathString + item.command + strData;
+  }, '');
+}
+
+},{"../style.js":382,"../tools.js":383,"../xast.js":384,"./_collections.js":325,"./_path.js":326,"./applyTransforms.js":330}],340:[function(require,module,exports){
+'use strict';
+
+const { stringifyPathData } = require('../path.js');
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'convertShapeToPath';
+exports.description = 'converts basic shapes to more compact path form';
+
+const regNumber = /[-+]?(?:\d*\.\d+|\d+\.?)(?:[eE][-+]?\d+)?/g;
+
+/**
+ * Converts basic shape to more compact path.
+ * It also allows further optimizations like
+ * combining paths with similar attributes.
+ *
+ * @see https://www.w3.org/TR/SVG11/shapes.html
+ *
+ * @author Lev Solntsev
+ */
+exports.fn = (root, params) => {
+  const { convertArcs = false, floatPrecision: precision } = params;
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // convert rect to path
+        if (
+          node.name === 'rect' &&
+          node.attributes.width != null &&
+          node.attributes.height != null &&
+          node.attributes.rx == null &&
+          node.attributes.ry == null
+        ) {
+          const x = Number(node.attributes.x || '0');
+          const y = Number(node.attributes.y || '0');
+          const width = Number(node.attributes.width);
+          const height = Number(node.attributes.height);
+          // Values like '100%' compute to NaN, thus running after
+          // cleanupNumericValues when 'px' units has already been removed.
+          // TODO: Calculate sizes from % and non-px units if possible.
+          if (Number.isNaN(x - y + width - height)) return;
+          /**
+           * @type {Array<PathDataItem>}
+           */
+          const pathData = [
+            { command: 'M', args: [x, y] },
+            { command: 'H', args: [x + width] },
+            { command: 'V', args: [y + height] },
+            { command: 'H', args: [x] },
+            { command: 'z', args: [] },
+          ];
+          node.name = 'path';
+          node.attributes.d = stringifyPathData({ pathData, precision });
+          delete node.attributes.x;
+          delete node.attributes.y;
+          delete node.attributes.width;
+          delete node.attributes.height;
+        }
+
+        // convert line to path
+        if (node.name === 'line') {
+          const x1 = Number(node.attributes.x1 || '0');
+          const y1 = Number(node.attributes.y1 || '0');
+          const x2 = Number(node.attributes.x2 || '0');
+          const y2 = Number(node.attributes.y2 || '0');
+          if (Number.isNaN(x1 - y1 + x2 - y2)) return;
+          /**
+           * @type {Array<PathDataItem>}
+           */
+          const pathData = [
+            { command: 'M', args: [x1, y1] },
+            { command: 'L', args: [x2, y2] },
+          ];
+          node.name = 'path';
+          node.attributes.d = stringifyPathData({ pathData, precision });
+          delete node.attributes.x1;
+          delete node.attributes.y1;
+          delete node.attributes.x2;
+          delete node.attributes.y2;
+        }
+
+        // convert polyline and polygon to path
+        if (
+          (node.name === 'polyline' || node.name === 'polygon') &&
+          node.attributes.points != null
+        ) {
+          const coords = (node.attributes.points.match(regNumber) || []).map(
+            Number,
+          );
+          if (coords.length < 4) {
+            detachNodeFromParent(node, parentNode);
+            return;
+          }
+          /**
+           * @type {Array<PathDataItem>}
+           */
+          const pathData = [];
+          for (let i = 0; i < coords.length; i += 2) {
+            pathData.push({
+              command: i === 0 ? 'M' : 'L',
+              args: coords.slice(i, i + 2),
+            });
+          }
+          if (node.name === 'polygon') {
+            pathData.push({ command: 'z', args: [] });
+          }
+          node.name = 'path';
+          node.attributes.d = stringifyPathData({ pathData, precision });
+          delete node.attributes.points;
+        }
+
+        //  optionally convert circle
+        if (node.name === 'circle' && convertArcs) {
+          const cx = Number(node.attributes.cx || '0');
+          const cy = Number(node.attributes.cy || '0');
+          const r = Number(node.attributes.r || '0');
+          if (Number.isNaN(cx - cy + r)) {
+            return;
+          }
+          /**
+           * @type {Array<PathDataItem>}
+           */
+          const pathData = [
+            { command: 'M', args: [cx, cy - r] },
+            { command: 'A', args: [r, r, 0, 1, 0, cx, cy + r] },
+            { command: 'A', args: [r, r, 0, 1, 0, cx, cy - r] },
+            { command: 'z', args: [] },
+          ];
+          node.name = 'path';
+          node.attributes.d = stringifyPathData({ pathData, precision });
+          delete node.attributes.cx;
+          delete node.attributes.cy;
+          delete node.attributes.r;
+        }
+
+        // optionally covert ellipse
+        if (node.name === 'ellipse' && convertArcs) {
+          const ecx = Number(node.attributes.cx || '0');
+          const ecy = Number(node.attributes.cy || '0');
+          const rx = Number(node.attributes.rx || '0');
+          const ry = Number(node.attributes.ry || '0');
+          if (Number.isNaN(ecx - ecy + rx - ry)) {
+            return;
+          }
+          /**
+           * @type {Array<PathDataItem>}
+           */
+          const pathData = [
+            { command: 'M', args: [ecx, ecy - ry] },
+            { command: 'A', args: [rx, ry, 0, 1, 0, ecx, ecy + ry] },
+            { command: 'A', args: [rx, ry, 0, 1, 0, ecx, ecy - ry] },
+            { command: 'z', args: [] },
+          ];
+          node.name = 'path';
+          node.attributes.d = stringifyPathData({ pathData, precision });
+          delete node.attributes.cx;
+          delete node.attributes.cy;
+          delete node.attributes.rx;
+          delete node.attributes.ry;
+        }
+      },
+    },
+  };
+};
+
+},{"../path.js":323,"../xast.js":384}],341:[function(require,module,exports){
+'use strict';
+
+const { attrsGroups } = require('./_collections');
+
+exports.name = 'convertStyleToAttrs';
+exports.description = 'converts style to attributes';
+
+/**
+ * @type {(...args: string[]) => string}
+ */
+const g = (...args) => {
+  return '(?:' + args.join('|') + ')';
+};
+
+const stylingProps = attrsGroups.presentation;
+const rEscape = '\\\\(?:[0-9a-f]{1,6}\\s?|\\r\\n|.)'; // Like \" or \2051. Code points consume one space.
+const rAttr = '\\s*(' + g('[^:;\\\\]', rEscape) + '*?)\\s*'; // attribute name like ‘fill’
+const rSingleQuotes = "'(?:[^'\\n\\r\\\\]|" + rEscape + ")*?(?:'|$)"; // string in single quotes: 'smth'
+const rQuotes = '"(?:[^"\\n\\r\\\\]|' + rEscape + ')*?(?:"|$)'; // string in double quotes: "smth"
+const rQuotedString = new RegExp('^' + g(rSingleQuotes, rQuotes) + '$');
+// Parentheses, E.g.: url(data:image/png;base64,iVBO...).
+// ':' and ';' inside of it should be threated as is. (Just like in strings.)
+const rParenthesis =
+  '\\(' + g('[^\'"()\\\\]+', rEscape, rSingleQuotes, rQuotes) + '*?' + '\\)';
+// The value. It can have strings and parentheses (see above). Fallbacks to anything in case of unexpected input.
+const rValue =
+  '\\s*(' +
+  g(
+    '[^!\'"();\\\\]+?',
+    rEscape,
+    rSingleQuotes,
+    rQuotes,
+    rParenthesis,
+    '[^;]*?',
+  ) +
+  '*?' +
+  ')';
+// End of declaration. Spaces outside of capturing groups help to do natural trimming.
+const rDeclEnd = '\\s*(?:;\\s*|$)';
+// Important rule
+const rImportant = '(\\s*!important(?![-(\\w]))?';
+// Final RegExp to parse CSS declarations.
+const regDeclarationBlock = new RegExp(
+  rAttr + ':' + rValue + rImportant + rDeclEnd,
+  'ig',
+);
+// Comments expression. Honors escape sequences and strings.
+const regStripComments = new RegExp(
+  g(rEscape, rSingleQuotes, rQuotes, '/\\*[^]*?\\*/'),
+  'ig',
+);
+
+/**
+ * Convert style in attributes. Cleanups comments and illegal declarations (without colon) as a side effect.
+ *
+ * @example
+ * <g style="fill:#000; color: #fff;">
+ *             ⬇
+ * <g fill="#000" color="#fff">
+ *
+ * @example
+ * <g style="fill:#000; color: #fff; -webkit-blah: blah">
+ *             ⬇
+ * <g fill="#000" color="#fff" style="-webkit-blah: blah">
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  const { keepImportant = false } = params;
+  return {
+    element: {
+      enter: (node) => {
+        if (node.attributes.style != null) {
+          // ['opacity: 1', 'color: #000']
+          let styles = [];
+          /**
+           * @type {Record<string, string>}
+           */
+          const newAttributes = {};
+
+          // Strip CSS comments preserving escape sequences and strings.
+          const styleValue = node.attributes.style.replace(
+            regStripComments,
+            (match) => {
+              return match[0] == '/'
+                ? ''
+                : match[0] == '\\' && /[-g-z]/i.test(match[1])
+                ? match[1]
+                : match;
+            },
+          );
+
+          regDeclarationBlock.lastIndex = 0;
+          // eslint-disable-next-line no-cond-assign
+          for (var rule; (rule = regDeclarationBlock.exec(styleValue)); ) {
+            if (!keepImportant || !rule[3]) {
+              styles.push([rule[1], rule[2]]);
+            }
+          }
+
+          if (styles.length) {
+            styles = styles.filter(function (style) {
+              if (style[0]) {
+                var prop = style[0].toLowerCase(),
+                  val = style[1];
+
+                if (rQuotedString.test(val)) {
+                  val = val.slice(1, -1);
+                }
+
+                if (stylingProps.includes(prop)) {
+                  newAttributes[prop] = val;
+
+                  return false;
+                }
+              }
+
+              return true;
+            });
+
+            Object.assign(node.attributes, newAttributes);
+
+            if (styles.length) {
+              node.attributes.style = styles
+                .map((declaration) => declaration.join(':'))
+                .join(';');
+            } else {
+              delete node.attributes.style;
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections":325}],342:[function(require,module,exports){
+'use strict';
+
+
+const { cleanupOutData } = require('../tools.js');
+const {
+  transform2js,
+  transformsMultiply,
+  matrixToTransform,
+} = require('./_transforms.js');
+
+exports.name = 'convertTransform';
+exports.description = 'collapses multiple transformations and optimizes it';
+
+/**
+ * Convert matrices to the short aliases,
+ * convert long translate, scale or rotate transform notations to the shorts ones,
+ * convert transforms to the matrices and multiply them all into one,
+ * remove useless transforms.
+ *
+ * @see https://www.w3.org/TR/SVG11/coords.html#TransformMatrixDefined
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  const {
+    convertToShorts = true,
+    // degPrecision = 3, // transformPrecision (or matrix precision) - 2 by default
+    degPrecision,
+    floatPrecision = 3,
+    transformPrecision = 5,
+    matrixToTransform = true,
+    shortTranslate = true,
+    shortScale = true,
+    shortRotate = true,
+    removeUseless = true,
+    collapseIntoOne = true,
+    leadingZero = true,
+    negativeExtraSpace = false,
+  } = params;
+  const newParams = {
+    convertToShorts,
+    degPrecision,
+    floatPrecision,
+    transformPrecision,
+    matrixToTransform,
+    shortTranslate,
+    shortScale,
+    shortRotate,
+    removeUseless,
+    collapseIntoOne,
+    leadingZero,
+    negativeExtraSpace,
+  };
+  return {
+    element: {
+      enter: (node) => {
+        // transform
+        if (node.attributes.transform != null) {
+          convertTransform(node, 'transform', newParams);
+        }
+        // gradientTransform
+        if (node.attributes.gradientTransform != null) {
+          convertTransform(node, 'gradientTransform', newParams);
+        }
+        // patternTransform
+        if (node.attributes.patternTransform != null) {
+          convertTransform(node, 'patternTransform', newParams);
+        }
+      },
+    },
+  };
+};
+
+/**
+ * Main function.
+ */
+const convertTransform = (item, attrName, params) => {
+  let data = transform2js(item.attributes[attrName]);
+  params = definePrecision(data, params);
+
+  if (params.collapseIntoOne && data.length > 1) {
+    data = [transformsMultiply(data)];
+  }
+
+  if (params.convertToShorts) {
+    data = convertToShorts(data, params);
+  } else {
+    data.forEach((item) => roundTransform(item, params));
+  }
+
+  if (params.removeUseless) {
+    data = removeUseless(data);
+  }
+
+  if (data.length) {
+    item.attributes[attrName] = js2transform(data, params);
+  } else {
+    delete item.attributes[attrName];
+  }
+};
+
+/**
+ * Defines precision to work with certain parts.
+ * transformPrecision - for scale and four first matrix parameters (needs a better precision due to multiplying),
+ * floatPrecision - for translate including two last matrix and rotate parameters,
+ * degPrecision - for rotate and skew. By default it's equal to (rougly)
+ * transformPrecision - 2 or floatPrecision whichever is lower. Can be set in params.
+ *
+ * clone params so it don't affect other elements transformations.
+ */
+const definePrecision = (data, { ...newParams }) => {
+  const matrixData = [];
+  for (const item of data) {
+    if (item.name == 'matrix') {
+      matrixData.push(...item.data.slice(0, 4));
+    }
+  }
+  let significantDigits = newParams.transformPrecision;
+  // Limit transform precision with matrix one. Calculating with larger precision doesn't add any value.
+  if (matrixData.length) {
+    newParams.transformPrecision = Math.min(
+      newParams.transformPrecision,
+      Math.max.apply(Math, matrixData.map(floatDigits)) ||
+        newParams.transformPrecision,
+    );
+    significantDigits = Math.max.apply(
+      Math,
+      matrixData.map(
+        (n) => n.toString().replace(/\D+/g, '').length, // Number of digits in a number. 123.45 → 5
+      ),
+    );
+  }
+  // No sense in angle precision more then number of significant digits in matrix.
+  if (newParams.degPrecision == null) {
+    newParams.degPrecision = Math.max(
+      0,
+      Math.min(newParams.floatPrecision, significantDigits - 2),
+    );
+  }
+  return newParams;
+};
+
+const degRound = (data, params) => {
+  if (
+    params.degPrecision != null &&
+    params.degPrecision >= 1 &&
+    params.floatPrecision < 20
+  ) {
+    return smartRound(params.degPrecision, data);
+  } else {
+    return round(data);
+  }
+};
+const floatRound = (data, params) => {
+  if (params.floatPrecision >= 1 && params.floatPrecision < 20) {
+    return smartRound(params.floatPrecision, data);
+  } else {
+    return round(data);
+  }
+};
+
+const transformRound = (data, params) => {
+  if (params.transformPrecision >= 1 && params.floatPrecision < 20) {
+    return smartRound(params.transformPrecision, data);
+  } else {
+    return round(data);
+  }
+};
+
+/**
+ * Returns number of digits after the point. 0.125 → 3
+ */
+const floatDigits = (n) => {
+  const str = n.toString();
+  return str.slice(str.indexOf('.')).length - 1;
+};
+
+/**
+ * Convert transforms to the shorthand alternatives.
+ */
+const convertToShorts = (transforms, params) => {
+  for (var i = 0; i < transforms.length; i++) {
+    var transform = transforms[i];
+
+    // convert matrix to the short aliases
+    if (params.matrixToTransform && transform.name === 'matrix') {
+      var decomposed = matrixToTransform(transform, params);
+      if (
+        js2transform(decomposed, params).length <=
+        js2transform([transform], params).length
+      ) {
+        transforms.splice(i, 1, ...decomposed);
+      }
+      transform = transforms[i];
+    }
+
+    // fixed-point numbers
+    // 12.754997 → 12.755
+    roundTransform(transform, params);
+
+    // convert long translate transform notation to the shorts one
+    // translate(10 0) → translate(10)
+    if (
+      params.shortTranslate &&
+      transform.name === 'translate' &&
+      transform.data.length === 2 &&
+      !transform.data[1]
+    ) {
+      transform.data.pop();
+    }
+
+    // convert long scale transform notation to the shorts one
+    // scale(2 2) → scale(2)
+    if (
+      params.shortScale &&
+      transform.name === 'scale' &&
+      transform.data.length === 2 &&
+      transform.data[0] === transform.data[1]
+    ) {
+      transform.data.pop();
+    }
+
+    // convert long rotate transform notation to the short one
+    // translate(cx cy) rotate(a) translate(-cx -cy) → rotate(a cx cy)
+    if (
+      params.shortRotate &&
+      transforms[i - 2] &&
+      transforms[i - 2].name === 'translate' &&
+      transforms[i - 1].name === 'rotate' &&
+      transforms[i].name === 'translate' &&
+      transforms[i - 2].data[0] === -transforms[i].data[0] &&
+      transforms[i - 2].data[1] === -transforms[i].data[1]
+    ) {
+      transforms.splice(i - 2, 3, {
+        name: 'rotate',
+        data: [
+          transforms[i - 1].data[0],
+          transforms[i - 2].data[0],
+          transforms[i - 2].data[1],
+        ],
+      });
+
+      // splice compensation
+      i -= 2;
+    }
+  }
+
+  return transforms;
+};
+
+/**
+ * Remove useless transforms.
+ */
+const removeUseless = (transforms) => {
+  return transforms.filter((transform) => {
+    // translate(0), rotate(0[, cx, cy]), skewX(0), skewY(0)
+    if (
+      (['translate', 'rotate', 'skewX', 'skewY'].indexOf(transform.name) > -1 &&
+        (transform.data.length == 1 || transform.name == 'rotate') &&
+        !transform.data[0]) ||
+      // translate(0, 0)
+      (transform.name == 'translate' &&
+        !transform.data[0] &&
+        !transform.data[1]) ||
+      // scale(1)
+      (transform.name == 'scale' &&
+        transform.data[0] == 1 &&
+        (transform.data.length < 2 || transform.data[1] == 1)) ||
+      // matrix(1 0 0 1 0 0)
+      (transform.name == 'matrix' &&
+        transform.data[0] == 1 &&
+        transform.data[3] == 1 &&
+        !(
+          transform.data[1] ||
+          transform.data[2] ||
+          transform.data[4] ||
+          transform.data[5]
+        ))
+    ) {
+      return false;
+    }
+
+    return true;
+  });
+};
+
+/**
+ * Convert transforms JS representation to string.
+ */
+const js2transform = (transformJS, params) => {
+  var transformString = '';
+
+  // collect output value string
+  transformJS.forEach((transform) => {
+    roundTransform(transform, params);
+    transformString +=
+      (transformString && ' ') +
+      transform.name +
+      '(' +
+      cleanupOutData(transform.data, params) +
+      ')';
+  });
+
+  return transformString;
+};
+
+const roundTransform = (transform, params) => {
+  switch (transform.name) {
+    case 'translate':
+      transform.data = floatRound(transform.data, params);
+      break;
+    case 'rotate':
+      transform.data = [
+        ...degRound(transform.data.slice(0, 1), params),
+        ...floatRound(transform.data.slice(1), params),
+      ];
+      break;
+    case 'skewX':
+    case 'skewY':
+      transform.data = degRound(transform.data, params);
+      break;
+    case 'scale':
+      transform.data = transformRound(transform.data, params);
+      break;
+    case 'matrix':
+      transform.data = [
+        ...transformRound(transform.data.slice(0, 4), params),
+        ...floatRound(transform.data.slice(4), params),
+      ];
+      break;
+  }
+  return transform;
+};
+
+/**
+ * Rounds numbers in array.
+ */
+const round = (data) => {
+  return data.map(Math.round);
+};
+
+/**
+ * Decrease accuracy of floating-point numbers
+ * in transforms keeping a specified number of decimals.
+ * Smart rounds values like 2.349 to 2.35.
+ */
+const smartRound = (precision, data) => {
+  for (
+    var i = data.length,
+      tolerance = +Math.pow(0.1, precision).toFixed(precision);
+    i--;
+
+  ) {
+    if (Number(data[i].toFixed(precision)) !== data[i]) {
+      var rounded = +data[i].toFixed(precision - 1);
+      data[i] =
+        +Math.abs(rounded - data[i]).toFixed(precision + 1) >= tolerance
+          ? +data[i].toFixed(precision)
+          : rounded;
+    }
+  }
+  return data;
+};
+
+},{"../tools.js":383,"./_transforms.js":327}],343:[function(require,module,exports){
+'use strict';
+
+const { createPreset } = require('../tools.js');
+
+const removeDoctype = require('./removeDoctype.js');
+const removeXMLProcInst = require('./removeXMLProcInst.js');
+const removeComments = require('./removeComments.js');
+const removeMetadata = require('./removeMetadata.js');
+const removeEditorsNSData = require('./removeEditorsNSData.js');
+const cleanupAttrs = require('./cleanupAttrs.js');
+const mergeStyles = require('./mergeStyles.js');
+const inlineStyles = require('./inlineStyles.js');
+const minifyStyles = require('./minifyStyles.js');
+const cleanupIds = require('./cleanupIds.js');
+const removeUselessDefs = require('./removeUselessDefs.js');
+const cleanupNumericValues = require('./cleanupNumericValues.js');
+const convertColors = require('./convertColors.js');
+const removeUnknownsAndDefaults = require('./removeUnknownsAndDefaults.js');
+const removeNonInheritableGroupAttrs = require('./removeNonInheritableGroupAttrs.js');
+const removeUselessStrokeAndFill = require('./removeUselessStrokeAndFill.js');
+const removeViewBox = require('./removeViewBox.js');
+const cleanupEnableBackground = require('./cleanupEnableBackground.js');
+const removeHiddenElems = require('./removeHiddenElems.js');
+const removeEmptyText = require('./removeEmptyText.js');
+const convertShapeToPath = require('./convertShapeToPath.js');
+const convertEllipseToCircle = require('./convertEllipseToCircle.js');
+const moveElemsAttrsToGroup = require('./moveElemsAttrsToGroup.js');
+const moveGroupAttrsToElems = require('./moveGroupAttrsToElems.js');
+const collapseGroups = require('./collapseGroups.js');
+const convertPathData = require('./convertPathData.js');
+const convertTransform = require('./convertTransform.js');
+const removeEmptyAttrs = require('./removeEmptyAttrs.js');
+const removeEmptyContainers = require('./removeEmptyContainers.js');
+const mergePaths = require('./mergePaths.js');
+const removeUnusedNS = require('./removeUnusedNS.js');
+const sortAttrs = require('./sortAttrs.js');
+const sortDefsChildren = require('./sortDefsChildren.js');
+const removeTitle = require('./removeTitle.js');
+const removeDesc = require('./removeDesc.js');
+
+const presetDefault = createPreset({
+  name: "defaultPreset",
+  plugins: [
+    removeDoctype,
+    removeXMLProcInst,
+    removeComments,
+    removeMetadata,
+    removeEditorsNSData,
+    cleanupAttrs,
+    mergeStyles,
+    inlineStyles,
+    minifyStyles,
+    cleanupIds,
+    removeUselessDefs,
+    cleanupNumericValues,
+    convertColors,
+    removeUnknownsAndDefaults,
+    removeNonInheritableGroupAttrs,
+    removeUselessStrokeAndFill,
+    removeViewBox,
+    cleanupEnableBackground,
+    removeHiddenElems,
+    removeEmptyText,
+    convertShapeToPath,
+    convertEllipseToCircle,
+    moveElemsAttrsToGroup,
+    moveGroupAttrsToElems,
+    collapseGroups,
+    convertPathData,
+    convertTransform,
+    removeEmptyAttrs,
+    removeEmptyContainers,
+    mergePaths,
+    removeUnusedNS,
+    sortAttrs,
+    sortDefsChildren,
+    removeTitle,
+    removeDesc,
+  ],
+});
+
+module.exports = presetDefault;
+
+},{"../tools.js":383,"./cleanupAttrs.js":331,"./cleanupEnableBackground.js":332,"./cleanupIds.js":333,"./cleanupNumericValues.js":335,"./collapseGroups.js":336,"./convertColors.js":337,"./convertEllipseToCircle.js":338,"./convertPathData.js":339,"./convertShapeToPath.js":340,"./convertTransform.js":342,"./inlineStyles.js":344,"./mergePaths.js":345,"./mergeStyles.js":346,"./minifyStyles.js":347,"./moveElemsAttrsToGroup.js":348,"./moveGroupAttrsToElems.js":349,"./removeComments.js":353,"./removeDesc.js":354,"./removeDoctype.js":356,"./removeEditorsNSData.js":357,"./removeEmptyAttrs.js":359,"./removeEmptyContainers.js":360,"./removeEmptyText.js":361,"./removeHiddenElems.js":362,"./removeMetadata.js":363,"./removeNonInheritableGroupAttrs.js":364,"./removeTitle.js":369,"./removeUnknownsAndDefaults.js":370,"./removeUnusedNS.js":371,"./removeUselessDefs.js":372,"./removeUselessStrokeAndFill.js":373,"./removeViewBox.js":374,"./removeXMLProcInst.js":376,"./sortAttrs.js":379,"./sortDefsChildren.js":380}],344:[function(require,module,exports){
+'use strict';
+
+const csstree = require('css-tree');
+const {
+  syntax: { specificity },
+} = require('csso');
+const {
+  visitSkip,
+  querySelectorAll,
+  detachNodeFromParent,
+} = require('../xast.js');
+
+exports.name = 'inlineStyles';
+exports.description = 'inline styles (additional options)';
+
+/**
+ * Compares two selector specificities.
+ * extracted from https://github.com/keeganstreet/specificity/blob/main/specificity.js#L211
+ */
+const compareSpecificity = (a, b) => {
+  for (var i = 0; i < 4; i += 1) {
+    if (a[i] < b[i]) {
+      return -1;
+    } else if (a[i] > b[i]) {
+      return 1;
+    }
+  }
+  return 0;
+};
+
+const toAny = (value) => value;
+
+/**
+ * Moves + merges styles from style elements to element styles
+ *
+ * Options
+ *   onlyMatchedOnce (default: true)
+ *     inline only selectors that match once
+ *
+ *   removeMatchedSelectors (default: true)
+ *     clean up matched selectors,
+ *     leave selectors that hadn't matched
+ *
+ *   useMqs (default: ['', 'screen'])
+ *     what media queries to be used
+ *     empty string element for styles outside media queries
+ *
+ *   usePseudos (default: [''])
+ *     what pseudo-classes/-elements to be used
+ *     empty string element for all non-pseudo-classes and/or -elements
+ *
+ * @author strarsis <strarsis@gmail.com>
+ */
+exports.fn = (root, params) => {
+  const {
+    onlyMatchedOnce = true,
+    removeMatchedSelectors = true,
+    useMqs = ['', 'screen'],
+    usePseudos = [''],
+  } = params;
+
+  const styles = [];
+  let selectors = [];
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // skip <foreignObject /> content
+        if (node.name === 'foreignObject') {
+          return visitSkip;
+        }
+        // collect only non-empty <style /> elements
+        if (node.name !== 'style' || node.children.length === 0) {
+          return;
+        }
+        // values other than the empty string or text/css are not used
+        if (
+          node.attributes.type != null &&
+          node.attributes.type !== '' &&
+          node.attributes.type !== 'text/css'
+        ) {
+          return;
+        }
+        // parse css in style element
+        let cssText = '';
+        for (const child of node.children) {
+          if (child.type === 'text' || child.type === 'cdata') {
+            cssText += child.value;
+          }
+        }
+        let cssAst = null;
+        try {
+          cssAst = csstree.parse(cssText, {
+            parseValue: false,
+            parseCustomProperty: false,
+          });
+        } catch {
+          return;
+        }
+        if (cssAst.type === 'StyleSheet') {
+          styles.push({ node, parentNode, cssAst });
+        }
+
+        // collect selectors
+        csstree.walk(cssAst, {
+          visit: 'Selector',
+          enter(node, item) {
+            const atrule = this.atrule;
+            const rule = this.rule;
+            if (rule == null) {
+              return;
+            }
+
+            // skip media queries not included into useMqs param
+            let mq = '';
+            if (atrule != null) {
+              mq = atrule.name;
+              if (atrule.prelude != null) {
+                mq += ` ${csstree.generate(atrule.prelude)}`;
+              }
+            }
+            if (useMqs.includes(mq) === false) {
+              return;
+            }
+
+            const pseudos = [];
+            if (node.type === 'Selector') {
+              node.children.forEach((childNode, childItem, childList) => {
+                if (
+                  childNode.type === 'PseudoClassSelector' ||
+                  childNode.type === 'PseudoElementSelector'
+                ) {
+                  pseudos.push({ item: childItem, list: childList });
+                }
+              });
+            }
+
+            // skip pseudo classes and pseudo elements not includes into usePseudos param
+            const pseudoSelectors = csstree.generate({
+              type: 'Selector',
+              children: new csstree.List().fromArray(
+                pseudos.map((pseudo) => pseudo.item.data),
+              ),
+            });
+            if (usePseudos.includes(pseudoSelectors) === false) {
+              return;
+            }
+
+            // remove pseudo classes and elements to allow querySelector match elements
+            // TODO this is not very accurate since some pseudo classes like first-child
+            // are used for selection
+            for (const pseudo of pseudos) {
+              pseudo.list.remove(pseudo.item);
+            }
+
+            selectors.push({ node, item, rule });
+          },
+        });
+      },
+    },
+
+    root: {
+      exit: () => {
+        if (styles.length === 0) {
+          return;
+        }
+        // stable sort selectors
+        const sortedSelectors = [...selectors]
+          .sort((a, b) => {
+            const aSpecificity = specificity(a.item.data);
+            const bSpecificity = specificity(b.item.data);
+            return compareSpecificity(aSpecificity, bSpecificity);
+          })
+          .reverse();
+
+        for (const selector of sortedSelectors) {
+          // match selectors
+          const selectorText = csstree.generate(selector.item.data);
+          const matchedElements = [];
+          try {
+            for (const node of querySelectorAll(root, selectorText)) {
+              if (node.type === 'element') {
+                matchedElements.push(node);
+              }
+            }
+          } catch (selectError) {
+            continue;
+          }
+          // nothing selected
+          if (matchedElements.length === 0) {
+            continue;
+          }
+
+          // apply styles to matched elements
+          // skip selectors that match more than once if option onlyMatchedOnce is enabled
+          if (onlyMatchedOnce && matchedElements.length > 1) {
+            continue;
+          }
+
+          // apply <style/> to matched elements
+          for (const selectedEl of matchedElements) {
+            const styleDeclarationList = csstree.parse(
+              selectedEl.attributes.style == null
+                ? ''
+                : selectedEl.attributes.style,
+              {
+                context: 'declarationList',
+                parseValue: false,
+              },
+            );
+            if (styleDeclarationList.type !== 'DeclarationList') {
+              continue;
+            }
+            const styleDeclarationItems = new Map();
+            csstree.walk(styleDeclarationList, {
+              visit: 'Declaration',
+              enter(node, item) {
+                styleDeclarationItems.set(node.property, item);
+              },
+            });
+            // merge declarations
+            csstree.walk(selector.rule, {
+              visit: 'Declaration',
+              enter(ruleDeclaration) {
+                // existing inline styles have higher priority
+                // no inline styles, external styles,                                    external styles used
+                // inline styles,    external styles same   priority as inline styles,   inline   styles used
+                // inline styles,    external styles higher priority than inline styles, external styles used
+                const matchedItem = styleDeclarationItems.get(
+                  ruleDeclaration.property,
+                );
+                const ruleDeclarationItem =
+                  styleDeclarationList.children.createItem(ruleDeclaration);
+                if (matchedItem == null) {
+                  styleDeclarationList.children.append(ruleDeclarationItem);
+                } else if (
+                  matchedItem.data.important !== true &&
+                  ruleDeclaration.important === true
+                ) {
+                  styleDeclarationList.children.replace(
+                    matchedItem,
+                    ruleDeclarationItem,
+                  );
+                  styleDeclarationItems.set(
+                    ruleDeclaration.property,
+                    ruleDeclarationItem,
+                  );
+                }
+              },
+            });
+            selectedEl.attributes.style =
+              csstree.generate(styleDeclarationList);
+          }
+
+          if (
+            removeMatchedSelectors &&
+            matchedElements.length !== 0 &&
+            selector.rule.prelude.type === 'SelectorList'
+          ) {
+            // clean up matching simple selectors if option removeMatchedSelectors is enabled
+            selector.rule.prelude.children.remove(selector.item);
+          }
+          selector.matchedElements = matchedElements;
+        }
+
+        // no further processing required
+        if (removeMatchedSelectors === false) {
+          return;
+        }
+
+        // clean up matched class + ID attribute values
+        for (const selector of sortedSelectors) {
+          if (selector.matchedElements == null) {
+            continue;
+          }
+
+          if (onlyMatchedOnce && selector.matchedElements.length > 1) {
+            // skip selectors that match more than once if option onlyMatchedOnce is enabled
+            continue;
+          }
+
+          for (const selectedEl of selector.matchedElements) {
+            // class
+            const classList = new Set(
+              selectedEl.attributes.class == null
+                ? null
+                : selectedEl.attributes.class.split(' '),
+            );
+            const firstSubSelector = toAny(selector.node.children.first);
+            if (
+              firstSubSelector != null &&
+              firstSubSelector.type === 'ClassSelector'
+            ) {
+              classList.delete(firstSubSelector.name);
+            }
+            if (classList.size === 0) {
+              delete selectedEl.attributes.class;
+            } else {
+              selectedEl.attributes.class = Array.from(classList).join(' ');
+            }
+
+            // ID
+            if (
+              firstSubSelector != null &&
+              firstSubSelector.type === 'IdSelector'
+            ) {
+              if (selectedEl.attributes.id === firstSubSelector.name) {
+                delete selectedEl.attributes.id;
+              }
+            }
+          }
+        }
+
+        for (const style of styles) {
+          csstree.walk(style.cssAst, {
+            visit: 'Rule',
+            enter: function (node, item, list) {
+              // clean up <style/> rulesets without any css selectors left
+              if (
+                node.type === 'Rule' &&
+                node.prelude.type === 'SelectorList' &&
+                // csstree v2 changed this type
+                toAny(node.prelude.children.isEmpty)
+              ) {
+                list.remove(item);
+              }
+            },
+          });
+
+          // csstree v2 changed this type
+          if (toAny(style.cssAst.children.isEmpty)) {
+            // remove emtpy style element
+            detachNodeFromParent(style.node, style.parentNode);
+          } else {
+            // update style element if any styles left
+            const firstChild = style.node.children[0];
+            if (firstChild.type === 'text' || firstChild.type === 'cdata') {
+              firstChild.value = csstree.generate(style.cssAst);
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384,"css-tree":25,"csso":138}],345:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+const { collectStylesheet, computeStyle } = require('../style.js');
+const { path2js, js2path, intersects } = require('./_path.js');
+
+exports.name = 'mergePaths';
+exports.description = 'merges multiple paths in one if possible';
+
+/**
+ * Merge multiple Paths into one.
+ *
+ * @author Kir Belevich, Lev Solntsev
+ */
+exports.fn = (root, params) => {
+  const {
+    force = false,
+    floatPrecision,
+    noSpaceAfterFlags = false, // a20 60 45 0 1 30 20 → a20 60 45 0130 20
+  } = params;
+  const stylesheet = collectStylesheet(root);
+
+  return {
+    element: {
+      enter: (node) => {
+        let prevChild = null;
+
+        for (const child of node.children) {
+          // skip if previous element is not path or contains animation elements
+          if (
+            prevChild == null ||
+            prevChild.type !== 'element' ||
+            prevChild.name !== 'path' ||
+            prevChild.children.length !== 0 ||
+            prevChild.attributes.d == null
+          ) {
+            prevChild = child;
+            continue;
+          }
+
+          // skip if element is not path or contains animation elements
+          if (
+            child.type !== 'element' ||
+            child.name !== 'path' ||
+            child.children.length !== 0 ||
+            child.attributes.d == null
+          ) {
+            prevChild = child;
+            continue;
+          }
+
+          // preserve paths with markers
+          const computedStyle = computeStyle(stylesheet, child);
+          if (
+            computedStyle['marker-start'] ||
+            computedStyle['marker-mid'] ||
+            computedStyle['marker-end']
+          ) {
+            prevChild = child;
+            continue;
+          }
+
+          const prevChildAttrs = Object.keys(prevChild.attributes);
+          const childAttrs = Object.keys(child.attributes);
+          let attributesAreEqual = prevChildAttrs.length === childAttrs.length;
+          for (const name of childAttrs) {
+            if (name !== 'd') {
+              if (
+                prevChild.attributes[name] == null ||
+                prevChild.attributes[name] !== child.attributes[name]
+              ) {
+                attributesAreEqual = false;
+              }
+            }
+          }
+          const prevPathJS = path2js(prevChild);
+          const curPathJS = path2js(child);
+
+          if (
+            attributesAreEqual &&
+            (force || !intersects(prevPathJS, curPathJS))
+          ) {
+            js2path(prevChild, prevPathJS.concat(curPathJS), {
+              floatPrecision,
+              noSpaceAfterFlags,
+            });
+            detachNodeFromParent(child, node);
+            continue;
+          }
+
+          prevChild = child;
+        }
+      },
+    },
+  };
+};
+
+},{"../style.js":382,"../xast.js":384,"./_path.js":326}],346:[function(require,module,exports){
+'use strict';
+
+const { visitSkip, detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'mergeStyles';
+exports.description = 'merge multiple style elements into one';
+
+/**
+ * Merge multiple style elements into one.
+ *
+ * @author strarsis <strarsis@gmail.com>
+ */
+exports.fn = () => {
+  let firstStyleElement = null;
+  let collectedStyles = '';
+  let styleContentType = 'text';
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // skip <foreignObject> content
+        if (node.name === 'foreignObject') {
+          return visitSkip;
+        }
+
+        // collect style elements
+        if (node.name !== 'style') {
+          return;
+        }
+
+        // skip <style> with invalid type attribute
+        if (
+          node.attributes.type != null &&
+          node.attributes.type !== '' &&
+          node.attributes.type !== 'text/css'
+        ) {
+          return;
+        }
+
+        // extract style element content
+        let css = '';
+        for (const child of node.children) {
+          if (child.type === 'text') {
+            css += child.value;
+          }
+          if (child.type === 'cdata') {
+            styleContentType = 'cdata';
+            css += child.value;
+          }
+        }
+
+        // remove empty style elements
+        if (css.trim().length === 0) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // collect css and wrap with media query if present in attribute
+        if (node.attributes.media == null) {
+          collectedStyles += css;
+        } else {
+          collectedStyles += `@media ${node.attributes.media}{${css}}`;
+          delete node.attributes.media;
+        }
+
+        // combine collected styles in the first style element
+        if (firstStyleElement == null) {
+          firstStyleElement = node;
+        } else {
+          detachNodeFromParent(node, parentNode);
+          const child = { type: styleContentType, value: collectedStyles };
+          // TODO remove legacy parentNode in v4
+          Object.defineProperty(child, 'parentNode', {
+            writable: true,
+            value: firstStyleElement,
+          });
+          firstStyleElement.children = [child];
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],347:[function(require,module,exports){
+'use strict';
+
+const csso = require('csso');
+
+exports.name = 'minifyStyles';
+exports.description =
+  'minifies styles and removes unused styles based on usage data';
+
+/**
+ * Minifies styles (<style> element + style attribute) using CSSO
+ *
+ * @author strarsis <strarsis@gmail.com>
+ */
+exports.fn = (_root, { usage, ...params }) => {
+  let enableTagsUsage = true;
+  let enableIdsUsage = true;
+  let enableClassesUsage = true;
+  // force to use usage data even if it unsafe (document contains <script> or on* attributes)
+  let forceUsageDeoptimized = false;
+  if (typeof usage === 'boolean') {
+    enableTagsUsage = usage;
+    enableIdsUsage = usage;
+    enableClassesUsage = usage;
+  } else if (usage) {
+    enableTagsUsage = usage.tags == null ? true : usage.tags;
+    enableIdsUsage = usage.ids == null ? true : usage.ids;
+    enableClassesUsage = usage.classes == null ? true : usage.classes;
+    forceUsageDeoptimized = usage.force == null ? false : usage.force;
+  }
+  const styleElements = [];
+  const elementsWithStyleAttributes = [];
+  let deoptimized = false;
+  const tagsUsage = new Set();
+  const idsUsage = new Set();
+  const classesUsage = new Set();
+
+  return {
+    element: {
+      enter: (node) => {
+        // detect deoptimisations
+        if (node.name === 'script') {
+          deoptimized = true;
+        }
+        for (const name of Object.keys(node.attributes)) {
+          if (name.startsWith('on')) {
+            deoptimized = true;
+          }
+        }
+        // collect tags, ids and classes usage
+        tagsUsage.add(node.name);
+        if (node.attributes.id != null) {
+          idsUsage.add(node.attributes.id);
+        }
+        if (node.attributes.class != null) {
+          for (const className of node.attributes.class.split(/\s+/)) {
+            classesUsage.add(className);
+          }
+        }
+        // collect style elements or elements with style attribute
+        if (node.name === 'style' && node.children.length !== 0) {
+          styleElements.push(node);
+        } else if (node.attributes.style != null) {
+          elementsWithStyleAttributes.push(node);
+        }
+      },
+    },
+
+    root: {
+      exit: () => {
+        const cssoUsage = {};
+        if (deoptimized === false || forceUsageDeoptimized === true) {
+          if (enableTagsUsage && tagsUsage.size !== 0) {
+            cssoUsage.tags = Array.from(tagsUsage);
+          }
+          if (enableIdsUsage && idsUsage.size !== 0) {
+            cssoUsage.ids = Array.from(idsUsage);
+          }
+          if (enableClassesUsage && classesUsage.size !== 0) {
+            cssoUsage.classes = Array.from(classesUsage);
+          }
+        }
+        // minify style elements
+        for (const node of styleElements) {
+          if (
+            node.children[0].type === 'text' ||
+            node.children[0].type === 'cdata'
+          ) {
+            const cssText = node.children[0].value;
+            const minified = csso.minify(cssText, {
+              ...params,
+              usage: cssoUsage,
+            }).css;
+            // preserve cdata if necessary
+            // TODO split cdata -> text optimisation into separate plugin
+            if (cssText.indexOf('>') >= 0 || cssText.indexOf('<') >= 0) {
+              node.children[0].type = 'cdata';
+              node.children[0].value = minified;
+            } else {
+              node.children[0].type = 'text';
+              node.children[0].value = minified;
+            }
+          }
+        }
+        // minify style attributes
+        for (const node of elementsWithStyleAttributes) {
+          // style attribute
+          const elemStyle = node.attributes.style;
+          node.attributes.style = csso.minifyBlock(elemStyle, {
+            ...params,
+          }).css;
+        }
+      },
+    },
+  };
+};
+
+},{"csso":138}],348:[function(require,module,exports){
+'use strict';
+
+const { visit } = require('../xast.js');
+const { inheritableAttrs, pathElems } = require('./_collections.js');
+
+exports.name = 'moveElemsAttrsToGroup';
+exports.description = 'Move common attributes of group children to the group';
+
+/**
+ * Move common attributes of group children to the group
+ *
+ * @example
+ * <g attr1="val1">
+ *     <g attr2="val2">
+ *         text
+ *     </g>
+ *     <circle attr2="val2" attr3="val3"/>
+ * </g>
+ *              ⬇
+ * <g attr1="val1" attr2="val2">
+ *     <g>
+ *         text
+ *     </g>
+ *    <circle attr3="val3"/>
+ * </g>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root) => {
+  // find if any style element is present
+  let deoptimizedWithStyles = false;
+  visit(root, {
+    element: {
+      enter: (node) => {
+        if (node.name === 'style') {
+          deoptimizedWithStyles = true;
+        }
+      },
+    },
+  });
+
+  return {
+    element: {
+      exit: (node) => {
+        // process only groups with more than 1 children
+        if (node.name !== 'g' || node.children.length <= 1) {
+          return;
+        }
+
+        // deoptimize the plugin when style elements are present
+        // selectors may rely on id, classes or tag names
+        if (deoptimizedWithStyles) {
+          return;
+        }
+
+        /**
+         * find common attributes in group children
+         * @type {Map<string, string>}
+         */
+        const commonAttributes = new Map();
+        let initial = true;
+        let everyChildIsPath = true;
+        for (const child of node.children) {
+          if (child.type === 'element') {
+            if (pathElems.includes(child.name) === false) {
+              everyChildIsPath = false;
+            }
+            if (initial) {
+              initial = false;
+              // collect all inheritable attributes from first child element
+              for (const [name, value] of Object.entries(child.attributes)) {
+                // consider only inheritable attributes
+                if (inheritableAttrs.includes(name)) {
+                  commonAttributes.set(name, value);
+                }
+              }
+            } else {
+              // exclude uncommon attributes from initial list
+              for (const [name, value] of commonAttributes) {
+                if (child.attributes[name] !== value) {
+                  commonAttributes.delete(name);
+                }
+              }
+            }
+          }
+        }
+
+        // preserve transform on children when group has clip-path or mask
+        if (
+          node.attributes['clip-path'] != null ||
+          node.attributes.mask != null
+        ) {
+          commonAttributes.delete('transform');
+        }
+
+        // preserve transform when all children are paths
+        // so the transform could be applied to path data by other plugins
+        if (everyChildIsPath) {
+          commonAttributes.delete('transform');
+        }
+
+        // add common children attributes to group
+        for (const [name, value] of commonAttributes) {
+          if (name === 'transform') {
+            if (node.attributes.transform != null) {
+              node.attributes.transform = `${node.attributes.transform} ${value}`;
+            } else {
+              node.attributes.transform = value;
+            }
+          } else {
+            node.attributes[name] = value;
+          }
+        }
+
+        // delete common attributes from children
+        for (const child of node.children) {
+          if (child.type === 'element') {
+            for (const [name] of commonAttributes) {
+              delete child.attributes[name];
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384,"./_collections.js":325}],349:[function(require,module,exports){
+'use strict';
+
+const { pathElems, referencesProps } = require('./_collections.js');
+
+exports.name = 'moveGroupAttrsToElems';
+exports.description = 'moves some group attributes to the content elements';
+
+const pathElemsWithGroupsAndText = [...pathElems, 'g', 'text'];
+
+/**
+ * Move group attrs to the content elements.
+ *
+ * @example
+ * <g transform="scale(2)">
+ *     <path transform="rotate(45)" d="M0,0 L10,20"/>
+ *     <path transform="translate(10, 20)" d="M0,10 L20,30"/>
+ * </g>
+ *                          ⬇
+ * <g>
+ *     <path transform="scale(2) rotate(45)" d="M0,0 L10,20"/>
+ *     <path transform="scale(2) translate(10, 20)" d="M0,10 L20,30"/>
+ * </g>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        // move group transform attr to content's pathElems
+        if (
+          node.name === 'g' &&
+          node.children.length !== 0 &&
+          node.attributes.transform != null &&
+          Object.entries(node.attributes).some(
+            ([name, value]) =>
+              referencesProps.includes(name) && value.includes('url('),
+          ) === false &&
+          node.children.every(
+            (child) =>
+              child.type === 'element' &&
+              pathElemsWithGroupsAndText.includes(child.name) &&
+              child.attributes.id == null,
+          )
+        ) {
+          for (const child of node.children) {
+            const value = node.attributes.transform;
+            if (child.type === 'element') {
+              if (child.attributes.transform != null) {
+                child.attributes.transform = `${value} ${child.attributes.transform}`;
+              } else {
+                child.attributes.transform = value;
+              }
+            }
+          }
+
+          delete node.attributes.transform;
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections.js":325}],350:[function(require,module,exports){
+'use strict';
+
+const csstree = require('css-tree');
+const { referencesProps } = require('./_collections.js');
+
+exports.name = 'prefixIds';
+exports.description = 'prefix IDs';
+
+/**
+ * extract basename from path
+ */
+const getBasename = (path) => {
+  // extract everything after latest slash or backslash
+  const matched = path.match(/[/\\]?([^/\\]+)$/);
+  if (matched) {
+    return matched[1];
+  }
+  return '';
+};
+
+/**
+ * escapes a string for being used as ID
+ */
+const escapeIdentifierName = (str) => {
+  return str.replace(/[. ]/g, '_');
+};
+
+const unquote = (string) => {
+  if (
+    (string.startsWith('"') && string.endsWith('"')) ||
+    (string.startsWith("'") && string.endsWith("'"))
+  ) {
+    return string.slice(1, -1);
+  }
+  return string;
+};
+
+/**
+ * prefix an ID
+ */
+const prefixId = (prefix, value) => {
+  if (value.startsWith(prefix)) {
+    return value;
+  }
+  return prefix + value;
+};
+
+/**
+ * prefix an #ID
+ */
+const prefixReference = (prefix, value) => {
+  if (value.startsWith('#')) {
+    return '#' + prefixId(prefix, value.slice(1));
+  }
+  return null;
+};
+
+const toAny = (value) => value;
+
+/**
+ * Prefixes identifiers
+ *
+ * @author strarsis <strarsis@gmail.com>
+ */
+exports.fn = (_root, params, info) => {
+  const { delim = '__', prefixIds = true, prefixClassNames = true } = params;
+
+  return {
+    element: {
+      enter: (node) => {
+        /**
+         * prefix, from file name or option
+         */
+        let prefix = 'prefix' + delim;
+        if (typeof params.prefix === 'function') {
+          prefix = params.prefix(node, info) + delim;
+        } else if (typeof params.prefix === 'string') {
+          prefix = params.prefix + delim;
+        } else if (params.prefix === false) {
+          prefix = '';
+        } else if (info.path != null && info.path.length > 0) {
+          prefix = escapeIdentifierName(getBasename(info.path)) + delim;
+        }
+
+        // prefix id/class selectors and url() references in styles
+        if (node.name === 'style') {
+          // skip empty <style/> elements
+          if (node.children.length === 0) {
+            return;
+          }
+
+          // parse styles
+          let cssText = '';
+          if (
+            node.children[0].type === 'text' ||
+            node.children[0].type === 'cdata'
+          ) {
+            cssText = node.children[0].value;
+          }
+          let cssAst = null;
+          try {
+            cssAst = csstree.parse(cssText, {
+              parseValue: true,
+              parseCustomProperty: false,
+            });
+          } catch {
+            return;
+          }
+
+          csstree.walk(cssAst, (node) => {
+            // #ID, .class selectors
+            if (
+              (prefixIds && node.type === 'IdSelector') ||
+              (prefixClassNames && node.type === 'ClassSelector')
+            ) {
+              node.name = prefixId(prefix, node.name);
+              return;
+            }
+            // url(...) references
+            // csstree v2 changed this type
+            if (node.type === 'Url' && toAny(node.value).length > 0) {
+              const prefixed = prefixReference(
+                prefix,
+                unquote(toAny(node.value)),
+              );
+              if (prefixed != null) {
+                toAny(node).value = prefixed;
+              }
+            }
+          });
+
+          // update styles
+          if (
+            node.children[0].type === 'text' ||
+            node.children[0].type === 'cdata'
+          ) {
+            node.children[0].value = csstree.generate(cssAst);
+          }
+          return;
+        }
+
+        // prefix an ID attribute value
+        if (
+          prefixIds &&
+          node.attributes.id != null &&
+          node.attributes.id.length !== 0
+        ) {
+          node.attributes.id = prefixId(prefix, node.attributes.id);
+        }
+
+        // prefix a class attribute value
+        if (
+          prefixClassNames &&
+          node.attributes.class != null &&
+          node.attributes.class.length !== 0
+        ) {
+          node.attributes.class = node.attributes.class
+            .split(/\s+/)
+            .map((name) => prefixId(prefix, name))
+            .join(' ');
+        }
+
+        // prefix a href attribute value
+        // xlink:href is deprecated, must be still supported
+        for (const name of ['href', 'xlink:href']) {
+          if (
+            node.attributes[name] != null &&
+            node.attributes[name].length !== 0
+          ) {
+            const prefixed = prefixReference(prefix, node.attributes[name]);
+            if (prefixed != null) {
+              node.attributes[name] = prefixed;
+            }
+          }
+        }
+
+        // prefix an URL attribute value
+        for (const name of referencesProps) {
+          if (
+            node.attributes[name] != null &&
+            node.attributes[name].length !== 0
+          ) {
+            node.attributes[name] = node.attributes[name].replace(
+              /url\((.*?)\)/gi,
+              (match, url) => {
+                const prefixed = prefixReference(prefix, url);
+                if (prefixed == null) {
+                  return match;
+                }
+                return `url(${prefixed})`;
+              },
+            );
+          }
+        }
+
+        // prefix begin/end attribute value
+        for (const name of ['begin', 'end']) {
+          if (
+            node.attributes[name] != null &&
+            node.attributes[name].length !== 0
+          ) {
+            const parts = node.attributes[name].split(/\s*;\s+/).map((val) => {
+              if (val.endsWith('.end') || val.endsWith('.start')) {
+                const [id, postfix] = val.split('.');
+                return `${prefixId(prefix, id)}.${postfix}`;
+              }
+              return val;
+            });
+            node.attributes[name] = parts.join('; ');
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections.js":325,"css-tree":25}],351:[function(require,module,exports){
+'use strict';
+
+const { querySelectorAll } = require('../xast.js');
+
+exports.name = 'removeAttributesBySelector';
+exports.description =
+  'removes attributes of elements that match a css selector';
+
+/**
+ * Removes attributes of elements that match a css selector.
+ *
+ * @example
+ * <caption>A selector removing a single attribute</caption>
+ * plugins: [
+ *   {
+ *     name: "removeAttributesBySelector",
+ *     params: {
+ *       selector: "[fill='#00ff00']"
+ *       attributes: "fill"
+ *     }
+ *   }
+ * ]
+ *
+ * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
+ *   ↓
+ * <rect x="0" y="0" width="100" height="100" stroke="#00ff00"/>
+ *
+ * <caption>A selector removing multiple attributes</caption>
+ * plugins: [
+ *   {
+ *     name: "removeAttributesBySelector",
+ *     params: {
+ *       selector: "[fill='#00ff00']",
+ *       attributes: [
+ *         "fill",
+ *         "stroke"
+ *       ]
+ *     }
+ *   }
+ * ]
+ *
+ * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
+ *   ↓
+ * <rect x="0" y="0" width="100" height="100"/>
+ *
+ * <caption>Multiple selectors removing attributes</caption>
+ * plugins: [
+ *   {
+ *     name: "removeAttributesBySelector",
+ *     params: {
+ *       selectors: [
+ *         {
+ *           selector: "[fill='#00ff00']",
+ *           attributes: "fill"
+ *         },
+ *         {
+ *           selector: "#remove",
+ *           attributes: [
+ *             "stroke",
+ *             "id"
+ *           ]
+ *         }
+ *       ]
+ *     }
+ *   }
+ * ]
+ *
+ * <rect x="0" y="0" width="100" height="100" fill="#00ff00" stroke="#00ff00"/>
+ *   ↓
+ * <rect x="0" y="0" width="100" height="100"/>
+ *
+ * @link https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_Selectors|MDN CSS Selectors
+ *
+ * @author Bradley Mease
+ */
+exports.fn = (root, params) => {
+  const selectors = Array.isArray(params.selectors)
+    ? params.selectors
+    : [params];
+  for (const { selector, attributes } of selectors) {
+    const nodes = querySelectorAll(root, selector);
+    for (const node of nodes) {
+      if (node.type === 'element') {
+        if (Array.isArray(attributes)) {
+          for (const name of attributes) {
+            delete node.attributes[name];
+          }
+        } else {
+          delete node.attributes[attributes];
+        }
+      }
+    }
+  }
+  return {};
+};
+
+},{"../xast.js":384}],352:[function(require,module,exports){
+'use strict';
+
+exports.name = 'removeAttrs';
+exports.description = 'removes specified attributes';
+
+const DEFAULT_SEPARATOR = ':';
+const ENOATTRS = `Warning: The plugin "removeAttrs" requires the "attrs" parameter.
+It should have a pattern to remove, otherwise the plugin is a noop.
+Config example:
+
+plugins: [
+  {
+    name: "removeAttrs",
+    params: {
+      attrs: "(fill|stroke)"
+    }
+  }
+]
+`;
+
+/**
+ * Remove attributes
+ *
+ * @example elemSeparator
+ *   format: string
+ *
+ * @example preserveCurrentColor
+ *   format: boolean
+ *
+ * @example attrs:
+ *
+ *   format: [ element* : attribute* : value* ]
+ *
+ *   element   : regexp (wrapped into ^...$), single * or omitted > all elements (must be present when value is used)
+ *   attribute : regexp (wrapped into ^...$)
+ *   value     : regexp (wrapped into ^...$), single * or omitted > all values
+ *
+ *   examples:
+ *
+ *     > basic: remove fill attribute
+ *     ---
+ *     removeAttrs:
+ *       attrs: 'fill'
+ *
+ *     > remove fill attribute on path element
+ *     ---
+ *       attrs: 'path:fill'
+ *
+ *     > remove fill attribute on path element where value is none
+ *     ---
+ *       attrs: 'path:fill:none'
+ *
+ *
+ *     > remove all fill and stroke attribute
+ *     ---
+ *       attrs:
+ *         - 'fill'
+ *         - 'stroke'
+ *
+ *     [is same as]
+ *
+ *       attrs: '(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '*:(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '.*:(fill|stroke)'
+ *
+ *     [is same as]
+ *
+ *       attrs: '.*:(fill|stroke):.*'
+ *
+ *
+ *     > remove all stroke related attributes
+ *     ----
+ *     attrs: 'stroke.*'
+ *
+ *
+ * @author Benny Schudel
+ */
+exports.fn = (root, params) => {
+  if (typeof params.attrs == 'undefined') {
+    // console.warn(ENOATTRS);
+    return null;
+  }
+
+  const elemSeparator =
+    typeof params.elemSeparator == 'string'
+      ? params.elemSeparator
+      : DEFAULT_SEPARATOR;
+  const preserveCurrentColor =
+    typeof params.preserveCurrentColor == 'boolean'
+      ? params.preserveCurrentColor
+      : false;
+  const attrs = Array.isArray(params.attrs) ? params.attrs : [params.attrs];
+
+  return {
+    element: {
+      enter: (node) => {
+        for (let pattern of attrs) {
+          // if no element separators (:), assume it's attribute name, and apply to all elements *regardless of value*
+          if (pattern.includes(elemSeparator) === false) {
+            pattern = ['.*', elemSeparator, pattern, elemSeparator, '.*'].join(
+              '',
+            );
+            // if only 1 separator, assume it's element and attribute name, and apply regardless of attribute value
+          } else if (pattern.split(elemSeparator).length < 3) {
+            pattern = [pattern, elemSeparator, '.*'].join('');
+          }
+
+          // create regexps for element, attribute name, and attribute value
+          const list = pattern.split(elemSeparator).map((value) => {
+            // adjust single * to match anything
+            if (value === '*') {
+              value = '.*';
+            }
+            return new RegExp(['^', value, '$'].join(''), 'i');
+          });
+
+          // matches element
+          if (list[0].test(node.name)) {
+            // loop attributes
+            for (const [name, value] of Object.entries(node.attributes)) {
+              const isFillCurrentColor =
+                preserveCurrentColor &&
+                name == 'fill' &&
+                value == 'currentColor';
+              const isStrokeCurrentColor =
+                preserveCurrentColor &&
+                name == 'stroke' &&
+                value == 'currentColor';
+              if (
+                !isFillCurrentColor &&
+                !isStrokeCurrentColor &&
+                // matches attribute name
+                list[1].test(name) &&
+                // matches attribute value
+                list[2].test(value)
+              ) {
+                delete node.attributes[name];
+              }
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],353:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeComments';
+exports.description = 'removes comments';
+
+/**
+ * Remove comments.
+ *
+ * @example
+ * <!-- Generator: Adobe Illustrator 15.0.0, SVG Export
+ * Plug-In . SVG Version: 6.00 Build 0)  -->
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    comment: {
+      enter: (node, parentNode) => {
+        if (node.value.charAt(0) !== '!') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],354:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeDesc';
+exports.description = 'removes <desc>';
+
+const standardDescs = /^(Created with|Created using)/;
+
+/**
+ * Removes <desc>.
+ * Removes only standard editors content or empty elements 'cause it can be used for accessibility.
+ * Enable parameter 'removeAny' to remove any description.
+ *
+ * https://developer.mozilla.org/en-US/docs/Web/SVG/Element/desc
+ *
+ * @author Daniel Wabyick
+ */
+exports.fn = (root, params) => {
+  const { removeAny = true } = params;
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'desc') {
+          if (
+            removeAny ||
+            node.children.length === 0 ||
+            (node.children[0].type === 'text' &&
+              standardDescs.test(node.children[0].value))
+          ) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],355:[function(require,module,exports){
+'use strict';
+
+exports.name = 'removeDimensions';
+exports.description =
+  'removes width and height in presence of viewBox (opposite to removeViewBox, disable it first)';
+
+/**
+ * Remove width/height attributes and add the viewBox attribute if it's missing
+ *
+ * @example
+ * <svg width="100" height="50" />
+ *   ↓
+ * <svg viewBox="0 0 100 50" />
+ *
+ * @author Benny Schudel
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'svg') {
+          if (node.attributes.viewBox != null) {
+            delete node.attributes.width;
+            delete node.attributes.height;
+          } else if (
+            node.attributes.width != null &&
+            node.attributes.height != null &&
+            Number.isNaN(Number(node.attributes.width)) === false &&
+            Number.isNaN(Number(node.attributes.height)) === false
+          ) {
+            const width = Number(node.attributes.width);
+            const height = Number(node.attributes.height);
+            node.attributes.viewBox = `0 0 ${width} ${height}`;
+            delete node.attributes.width;
+            delete node.attributes.height;
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],356:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeDoctype';
+exports.description = 'removes doctype declaration';
+
+/**
+ * Remove DOCTYPE declaration.
+ *
+ * "Unfortunately the SVG DTDs are a source of so many
+ * issues that the SVG WG has decided not to write one
+ * for the upcoming SVG 1.2 standard. In fact SVG WG
+ * members are even telling people not to use a DOCTYPE
+ * declaration in SVG 1.0 and 1.1 documents"
+ * https://jwatt.org/svg/authoring/#doctype-declaration
+ *
+ * @example
+ * <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
+ * q"http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
+ *
+ * @example
+ * <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+ * "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" [
+ *     <!-- an internal subset can be embedded here -->
+ * ]>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    doctype: {
+      enter: (node, parentNode) => {
+        detachNodeFromParent(node, parentNode);
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],357:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+const { editorNamespaces } = require('./_collections.js');
+
+exports.name = 'removeEditorsNSData';
+exports.description = 'removes editors namespaces, elements and attributes';
+
+/**
+ * Remove editors namespaces, elements and attributes.
+ *
+ * @example
+ * <svg xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd">
+ * <sodipodi:namedview/>
+ * <path sodipodi:nodetypes="cccc"/>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (_root, params) => {
+  let namespaces = editorNamespaces;
+  if (Array.isArray(params.additionalNamespaces)) {
+    namespaces = [...editorNamespaces, ...params.additionalNamespaces];
+  }
+  /**
+   * @type {Array<string>}
+   */
+  const prefixes = [];
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // collect namespace aliases from svg element
+        if (node.name === 'svg') {
+          for (const [name, value] of Object.entries(node.attributes)) {
+            if (name.startsWith('xmlns:') && namespaces.includes(value)) {
+              prefixes.push(name.slice('xmlns:'.length));
+              // <svg xmlns:sodipodi="">
+              delete node.attributes[name];
+            }
+          }
+        }
+        // remove editor attributes, for example
+        // <* sodipodi:*="">
+        for (const name of Object.keys(node.attributes)) {
+          if (name.includes(':')) {
+            const [prefix] = name.split(':');
+            if (prefixes.includes(prefix)) {
+              delete node.attributes[name];
+            }
+          }
+        }
+        // remove editor elements, for example
+        // <sodipodi:*>
+        if (node.name.includes(':')) {
+          const [prefix] = node.name.split(':');
+          if (prefixes.includes(prefix)) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384,"./_collections.js":325}],358:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeElementsByAttr';
+exports.description =
+  'removes arbitrary elements by ID or className (disabled by default)';
+
+/**
+ * Remove arbitrary SVG elements by ID or className.
+ *
+ * @example id
+ *     > single: remove element with ID of `elementID`
+ *     ---
+ *     removeElementsByAttr:
+ *       id: 'elementID'
+ *
+ *     > list: remove multiple elements by ID
+ *     ---
+ *     removeElementsByAttr:
+ *       id:
+ *         - 'elementID'
+ *         - 'anotherID'
+ *
+ * @example class
+ *     > single: remove all elements with class of `elementClass`
+ *     ---
+ *     removeElementsByAttr:
+ *       class: 'elementClass'
+ *
+ *     > list: remove all elements with class of `elementClass` or `anotherClass`
+ *     ---
+ *     removeElementsByAttr:
+ *       class:
+ *         - 'elementClass'
+ *         - 'anotherClass'
+ *
+ * @author Eli Dupuis (@elidupuis)
+ */
+exports.fn = (root, params) => {
+  const ids =
+    params.id == null ? [] : Array.isArray(params.id) ? params.id : [params.id];
+  const classes =
+    params.class == null
+      ? []
+      : Array.isArray(params.class)
+      ? params.class
+      : [params.class];
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // remove element if it's `id` matches configured `id` params
+        if (node.attributes.id != null && ids.length !== 0) {
+          if (ids.includes(node.attributes.id)) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+        // remove element if it's `class` contains any of the configured `class` params
+        if (node.attributes.class && classes.length !== 0) {
+          const classList = node.attributes.class.split(' ');
+          for (const item of classes) {
+            if (classList.includes(item)) {
+              detachNodeFromParent(node, parentNode);
+              break;
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],359:[function(require,module,exports){
+'use strict';
+
+const { attrsGroups } = require('./_collections.js');
+
+exports.name = 'removeEmptyAttrs';
+exports.description = 'removes empty attributes';
+
+/**
+ * Remove attributes with empty values.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        for (const [name, value] of Object.entries(node.attributes)) {
+          if (
+            value === '' &&
+            // empty conditional processing attributes prevents elements from rendering
+            attrsGroups.conditionalProcessing.includes(name) === false
+          ) {
+            delete node.attributes[name];
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections.js":325}],360:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+const { elemsGroups } = require('./_collections.js');
+
+exports.name = 'removeEmptyContainers';
+exports.description = 'removes empty container elements';
+
+/**
+ * Remove empty containers.
+ *
+ * @see https://www.w3.org/TR/SVG11/intro.html#TermContainerElement
+ *
+ * @example
+ * <defs/>
+ *
+ * @example
+ * <g><marker><a/></marker></g>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      exit: (node, parentNode) => {
+        // remove only empty non-svg containers
+        if (
+          node.name === 'svg' ||
+          elemsGroups.container.includes(node.name) === false ||
+          node.children.length !== 0
+        ) {
+          return;
+        }
+        // empty patterns may contain reusable configuration
+        if (
+          node.name === 'pattern' &&
+          Object.keys(node.attributes).length !== 0
+        ) {
+          return;
+        }
+        // The <g> may not have content, but the filter may cause a rectangle
+        // to be created and filled with pattern.
+        if (node.name === 'g' && node.attributes.filter != null) {
+          return;
+        }
+        // empty <mask> hides masked element
+        if (node.name === 'mask' && node.attributes.id != null) {
+          return;
+        }
+        detachNodeFromParent(node, parentNode);
+      },
+    },
+  };
+};
+
+},{"../xast.js":384,"./_collections.js":325}],361:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeEmptyText';
+exports.description = 'removes empty <text> elements';
+
+/**
+ * Remove empty Text elements.
+ *
+ * @see https://www.w3.org/TR/SVG11/text.html
+ *
+ * @example
+ * Remove empty text element:
+ * <text/>
+ *
+ * Remove empty tspan element:
+ * <tspan/>
+ *
+ * Remove tref with empty xlink:href attribute:
+ * <tref xlink:href=""/>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const { text = true, tspan = true, tref = true } = params;
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // Remove empty text element
+        if (text && node.name === 'text' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove empty tspan element
+        if (tspan && node.name === 'tspan' && node.children.length === 0) {
+          detachNodeFromParent(node, parentNode);
+        }
+        // Remove tref with empty xlink:href attribute
+        if (
+          tref &&
+          node.name === 'tref' &&
+          node.attributes['xlink:href'] == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],362:[function(require,module,exports){
+'use strict';
+
+const {
+  visit,
+  visitSkip,
+  querySelector,
+  detachNodeFromParent,
+} = require('../xast.js');
+const { collectStylesheet, computeStyle } = require('../style.js');
+const { parsePathData } = require('../path.js');
+
+exports.name = 'removeHiddenElems';
+exports.description =
+  'removes hidden elements (zero sized, with absent attributes)';
+
+/**
+ * Remove hidden elements with disabled rendering:
+ * - display="none"
+ * - opacity="0"
+ * - circle with zero radius
+ * - ellipse with zero x-axis or y-axis radius
+ * - rectangle with zero width or height
+ * - pattern with zero width or height
+ * - image with zero width or height
+ * - path with empty data
+ * - polyline with empty points
+ * - polygon with empty points
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const {
+    isHidden = true,
+    displayNone = true,
+    opacity0 = true,
+    circleR0 = true,
+    ellipseRX0 = true,
+    ellipseRY0 = true,
+    rectWidth0 = true,
+    rectHeight0 = true,
+    patternWidth0 = true,
+    patternHeight0 = true,
+    imageWidth0 = true,
+    imageHeight0 = true,
+    pathEmptyD = true,
+    polylineEmptyPoints = true,
+    polygonEmptyPoints = true,
+  } = params;
+  const stylesheet = collectStylesheet(root);
+
+  visit(root, {
+    element: {
+      enter: (node, parentNode) => {
+        // transparent element inside clipPath still affect clipped elements
+        if (node.name === 'clipPath') {
+          return visitSkip;
+        }
+        const computedStyle = computeStyle(stylesheet, node);
+        // opacity="0"
+        //
+        // https://www.w3.org/TR/SVG11/masking.html#ObjectAndGroupOpacityProperties
+        if (
+          opacity0 &&
+          computedStyle.opacity &&
+          computedStyle.opacity.type === 'static' &&
+          computedStyle.opacity.value === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+      },
+    },
+  });
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // Removes hidden elements
+        // https://www.w3schools.com/cssref/pr_class_visibility.asp
+        const computedStyle = computeStyle(stylesheet, node);
+        if (
+          isHidden &&
+          computedStyle.visibility &&
+          computedStyle.visibility.type === 'static' &&
+          computedStyle.visibility.value === 'hidden' &&
+          // keep if any descendant enables visibility
+          querySelector(node, '[visibility=visible]') == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // display="none"
+        //
+        // https://www.w3.org/TR/SVG11/painting.html#DisplayProperty
+        // "A value of display: none indicates that the given element
+        // and its children shall not be rendered directly"
+        if (
+          displayNone &&
+          computedStyle.display &&
+          computedStyle.display.type === 'static' &&
+          computedStyle.display.value === 'none' &&
+          // markers with display: none still rendered
+          node.name !== 'marker'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Circles with zero radius
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#CircleElementRAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <circle r="0">
+        if (
+          circleR0 &&
+          node.name === 'circle' &&
+          node.children.length === 0 &&
+          node.attributes.r === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Ellipse with zero x-axis radius
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#EllipseElementRXAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <ellipse rx="0">
+        if (
+          ellipseRX0 &&
+          node.name === 'ellipse' &&
+          node.children.length === 0 &&
+          node.attributes.rx === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Ellipse with zero y-axis radius
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#EllipseElementRYAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <ellipse ry="0">
+        if (
+          ellipseRY0 &&
+          node.name === 'ellipse' &&
+          node.children.length === 0 &&
+          node.attributes.ry === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Rectangle with zero width
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#RectElementWidthAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <rect width="0">
+        if (
+          rectWidth0 &&
+          node.name === 'rect' &&
+          node.children.length === 0 &&
+          node.attributes.width === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Rectangle with zero height
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#RectElementHeightAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <rect height="0">
+        if (
+          rectHeight0 &&
+          rectWidth0 &&
+          node.name === 'rect' &&
+          node.children.length === 0 &&
+          node.attributes.height === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Pattern with zero width
+        //
+        // https://www.w3.org/TR/SVG11/pservers.html#PatternElementWidthAttribute
+        // "A value of zero disables rendering of the element (i.e., no paint is applied)"
+        //
+        // <pattern width="0">
+        if (
+          patternWidth0 &&
+          node.name === 'pattern' &&
+          node.attributes.width === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Pattern with zero height
+        //
+        // https://www.w3.org/TR/SVG11/pservers.html#PatternElementHeightAttribute
+        // "A value of zero disables rendering of the element (i.e., no paint is applied)"
+        //
+        // <pattern height="0">
+        if (
+          patternHeight0 &&
+          node.name === 'pattern' &&
+          node.attributes.height === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Image with zero width
+        //
+        // https://www.w3.org/TR/SVG11/struct.html#ImageElementWidthAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <image width="0">
+        if (
+          imageWidth0 &&
+          node.name === 'image' &&
+          node.attributes.width === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Image with zero height
+        //
+        // https://www.w3.org/TR/SVG11/struct.html#ImageElementHeightAttribute
+        // "A value of zero disables rendering of the element"
+        //
+        // <image height="0">
+        if (
+          imageHeight0 &&
+          node.name === 'image' &&
+          node.attributes.height === '0'
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Path with empty data
+        //
+        // https://www.w3.org/TR/SVG11/paths.html#DAttribute
+        //
+        // <path d=""/>
+        if (pathEmptyD && node.name === 'path') {
+          if (node.attributes.d == null) {
+            detachNodeFromParent(node, parentNode);
+            return;
+          }
+          const pathData = parsePathData(node.attributes.d);
+          if (pathData.length === 0) {
+            detachNodeFromParent(node, parentNode);
+            return;
+          }
+          // keep single point paths for markers
+          if (
+            pathData.length === 1 &&
+            computedStyle['marker-start'] == null &&
+            computedStyle['marker-end'] == null
+          ) {
+            detachNodeFromParent(node, parentNode);
+            return;
+          }
+          return;
+        }
+
+        // Polyline with empty points
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#PolylineElementPointsAttribute
+        //
+        // <polyline points="">
+        if (
+          polylineEmptyPoints &&
+          node.name === 'polyline' &&
+          node.attributes.points == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+
+        // Polygon with empty points
+        //
+        // https://www.w3.org/TR/SVG11/shapes.html#PolygonElementPointsAttribute
+        //
+        // <polygon points="">
+        if (
+          polygonEmptyPoints &&
+          node.name === 'polygon' &&
+          node.attributes.points == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+          return;
+        }
+      },
+    },
+  };
+};
+
+},{"../path.js":323,"../style.js":382,"../xast.js":384}],363:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeMetadata';
+exports.description = 'removes <metadata>';
+
+/**
+ * Remove <metadata>.
+ *
+ * https://www.w3.org/TR/SVG11/metadata.html
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'metadata') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],364:[function(require,module,exports){
+'use strict';
+
+const {
+  inheritableAttrs,
+  attrsGroups,
+  presentationNonInheritableGroupAttrs,
+} = require('./_collections');
+
+exports.name = 'removeNonInheritableGroupAttrs';
+exports.description =
+  'removes non-inheritable group’s presentational attributes';
+
+/**
+ * Remove non-inheritable group's "presentation" attributes.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'g') {
+          for (const name of Object.keys(node.attributes)) {
+            if (
+              attrsGroups.presentation.includes(name) === true &&
+              inheritableAttrs.includes(name) === false &&
+              presentationNonInheritableGroupAttrs.includes(name) === false
+            ) {
+              delete node.attributes[name];
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"./_collections":325}],365:[function(require,module,exports){
+'use strict';
+
+const { visitSkip, detachNodeFromParent } = require('../xast.js');
+const { parsePathData } = require('../path.js');
+const { intersects } = require('./_path.js');
+
+exports.name = 'removeOffCanvasPaths';
+exports.description =
+  'removes elements that are drawn outside of the viewbox (disabled by default)';
+
+/**
+ * Remove elements that are drawn outside of the viewbox.
+ *
+ * @author JoshyPHP
+ */
+exports.fn = () => {
+  let viewBoxData = null;
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          let viewBox = '';
+          // find viewbox
+          if (node.attributes.viewBox != null) {
+            // remove commas and plus signs, normalize and trim whitespace
+            viewBox = node.attributes.viewBox;
+          } else if (
+            node.attributes.height != null &&
+            node.attributes.width != null
+          ) {
+            viewBox = `0 0 ${node.attributes.width} ${node.attributes.height}`;
+          }
+
+          // parse viewbox
+          // remove commas and plus signs, normalize and trim whitespace
+          viewBox = viewBox
+            .replace(/[,+]|px/g, ' ')
+            .replace(/\s+/g, ' ')
+            .replace(/^\s*|\s*$/g, '');
+          // ensure that the dimensions are 4 values separated by space
+          const m =
+            /^(-?\d*\.?\d+) (-?\d*\.?\d+) (\d*\.?\d+) (\d*\.?\d+)$/.exec(
+              viewBox,
+            );
+          if (m == null) {
+            return;
+          }
+          const left = Number.parseFloat(m[1]);
+          const top = Number.parseFloat(m[2]);
+          const width = Number.parseFloat(m[3]);
+          const height = Number.parseFloat(m[4]);
+
+          // store the viewBox boundaries
+          viewBoxData = {
+            left,
+            top,
+            right: left + width,
+            bottom: top + height,
+            width,
+            height,
+          };
+        }
+
+        // consider that any item with a transform attribute is visible
+        if (node.attributes.transform != null) {
+          return visitSkip;
+        }
+
+        if (
+          node.name === 'path' &&
+          node.attributes.d != null &&
+          viewBoxData != null
+        ) {
+          const pathData = parsePathData(node.attributes.d);
+
+          // consider that a M command within the viewBox is visible
+          let visible = false;
+          for (const pathDataItem of pathData) {
+            if (pathDataItem.command === 'M') {
+              const [x, y] = pathDataItem.args;
+              if (
+                x >= viewBoxData.left &&
+                x <= viewBoxData.right &&
+                y >= viewBoxData.top &&
+                y <= viewBoxData.bottom
+              ) {
+                visible = true;
+              }
+            }
+          }
+          if (visible) {
+            return;
+          }
+
+          if (pathData.length === 2) {
+            // close the path too short for intersects()
+            pathData.push({ command: 'z', args: [] });
+          }
+
+          const { left, top, width, height } = viewBoxData;
+          const viewBoxPathData = [
+            { command: 'M', args: [left, top] },
+            { command: 'h', args: [width] },
+            { command: 'v', args: [height] },
+            { command: 'H', args: [left] },
+            { command: 'z', args: [] },
+          ];
+
+          if (intersects(viewBoxPathData, pathData) === false) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../path.js":323,"../xast.js":384,"./_path.js":326}],366:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeRasterImages';
+exports.description = 'removes raster images (disabled by default)';
+
+/**
+ * Remove raster images references in <image>.
+ *
+ * @see https://bugs.webkit.org/show_bug.cgi?id=63548
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (
+          node.name === 'image' &&
+          node.attributes['xlink:href'] != null &&
+          /(\.|image\/)(jpg|png|gif)/.test(node.attributes['xlink:href'])
+        ) {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],367:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeScriptElement';
+exports.description = 'removes <script> elements (disabled by default)';
+
+/**
+ * Remove <script>.
+ *
+ * https://www.w3.org/TR/SVG11/script.html
+ *
+ * @author Patrick Klingemann
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'script') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],368:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeStyleElement';
+exports.description = 'removes <style> element (disabled by default)';
+
+/**
+ * Remove <style>.
+ *
+ * https://www.w3.org/TR/SVG11/styling.html#StyleElement
+ *
+ * @author Betsy Dupuis
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'style') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],369:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeTitle';
+exports.description = 'removes <title>';
+
+/**
+ * Remove <title>.
+ *
+ * https://developer.mozilla.org/en-US/docs/Web/SVG/Element/title
+ *
+ * @author Igor Kalashnikov
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'title') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],370:[function(require,module,exports){
+'use strict';
+
+const { visitSkip, detachNodeFromParent } = require('../xast.js');
+const { collectStylesheet, computeStyle } = require('../style.js');
+const {
+  elems,
+  attrsGroups,
+  elemsGroups,
+  attrsGroupsDefaults,
+  presentationNonInheritableGroupAttrs,
+} = require('./_collections');
+
+exports.name = 'removeUnknownsAndDefaults';
+exports.description =
+  'removes unknown elements content and attributes, removes attrs with default values';
+
+// resolve all groups references
+
+/**
+ * @type {Map<string, Set<string>>}
+ */
+const allowedChildrenPerElement = new Map();
+/**
+ * @type {Map<string, Set<string>>}
+ */
+const allowedAttributesPerElement = new Map();
+/**
+ * @type {Map<string, Map<string, string>>}
+ */
+const attributesDefaultsPerElement = new Map();
+
+for (const [name, config] of Object.entries(elems)) {
+  /**
+   * @type {Set<string>}
+   */
+  const allowedChildren = new Set();
+  if (config.content) {
+    for (const elementName of config.content) {
+      allowedChildren.add(elementName);
+    }
+  }
+  if (config.contentGroups) {
+    for (const contentGroupName of config.contentGroups) {
+      const elemsGroup = elemsGroups[contentGroupName];
+      if (elemsGroup) {
+        for (const elementName of elemsGroup) {
+          allowedChildren.add(elementName);
+        }
+      }
+    }
+  }
+  /**
+   * @type {Set<string>}
+   */
+  const allowedAttributes = new Set();
+  if (config.attrs) {
+    for (const attrName of config.attrs) {
+      allowedAttributes.add(attrName);
+    }
+  }
+  /**
+   * @type {Map<string, string>}
+   */
+  const attributesDefaults = new Map();
+  if (config.defaults) {
+    for (const [attrName, defaultValue] of Object.entries(config.defaults)) {
+      attributesDefaults.set(attrName, defaultValue);
+    }
+  }
+  for (const attrsGroupName of config.attrsGroups) {
+    const attrsGroup = attrsGroups[attrsGroupName];
+    if (attrsGroup) {
+      for (const attrName of attrsGroup) {
+        allowedAttributes.add(attrName);
+      }
+    }
+    const groupDefaults = attrsGroupsDefaults[attrsGroupName];
+    if (groupDefaults) {
+      for (const [attrName, defaultValue] of Object.entries(groupDefaults)) {
+        attributesDefaults.set(attrName, defaultValue);
+      }
+    }
+  }
+  allowedChildrenPerElement.set(name, allowedChildren);
+  allowedAttributesPerElement.set(name, allowedAttributes);
+  attributesDefaultsPerElement.set(name, attributesDefaults);
+}
+
+/**
+ * Remove unknown elements content and attributes,
+ * remove attributes with default values.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const {
+    unknownContent = true,
+    unknownAttrs = true,
+    defaultAttrs = true,
+    uselessOverrides = true,
+    keepDataAttrs = true,
+    keepAriaAttrs = true,
+    keepRoleAttr = false,
+  } = params;
+  const stylesheet = collectStylesheet(root);
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // skip namespaced elements
+        if (node.name.includes(':')) {
+          return;
+        }
+        // skip visiting foreignObject subtree
+        if (node.name === 'foreignObject') {
+          return visitSkip;
+        }
+
+        // remove unknown element's content
+        if (unknownContent && parentNode.type === 'element') {
+          const allowedChildren = allowedChildrenPerElement.get(
+            parentNode.name,
+          );
+          if (allowedChildren == null || allowedChildren.size === 0) {
+            // remove unknown elements
+            if (allowedChildrenPerElement.get(node.name) == null) {
+              detachNodeFromParent(node, parentNode);
+              return;
+            }
+          } else {
+            // remove not allowed children
+            if (allowedChildren.has(node.name) === false) {
+              detachNodeFromParent(node, parentNode);
+              return;
+            }
+          }
+        }
+
+        const allowedAttributes = allowedAttributesPerElement.get(node.name);
+        const attributesDefaults = attributesDefaultsPerElement.get(node.name);
+        const computedParentStyle =
+          parentNode.type === 'element'
+            ? computeStyle(stylesheet, parentNode)
+            : null;
+
+        // remove element's unknown attrs and attrs with default values
+        for (const [name, value] of Object.entries(node.attributes)) {
+          if (keepDataAttrs && name.startsWith('data-')) {
+            continue;
+          }
+          if (keepAriaAttrs && name.startsWith('aria-')) {
+            continue;
+          }
+          if (keepRoleAttr && name === 'role') {
+            continue;
+          }
+          // skip xmlns attribute
+          if (name === 'xmlns') {
+            continue;
+          }
+          // skip namespaced attributes except xml:* and xlink:*
+          if (name.includes(':')) {
+            const [prefix] = name.split(':');
+            if (prefix !== 'xml' && prefix !== 'xlink') {
+              continue;
+            }
+          }
+
+          if (
+            unknownAttrs &&
+            allowedAttributes &&
+            allowedAttributes.has(name) === false
+          ) {
+            delete node.attributes[name];
+          }
+          if (
+            defaultAttrs &&
+            node.attributes.id == null &&
+            attributesDefaults &&
+            attributesDefaults.get(name) === value
+          ) {
+            // keep defaults if parent has own or inherited style
+            if (
+              computedParentStyle == null ||
+              computedParentStyle[name] == null
+            ) {
+              delete node.attributes[name];
+            }
+          }
+          if (uselessOverrides && node.attributes.id == null) {
+            const style =
+              computedParentStyle == null ? null : computedParentStyle[name];
+            if (
+              presentationNonInheritableGroupAttrs.includes(name) === false &&
+              style != null &&
+              style.type === 'static' &&
+              style.value === value
+            ) {
+              delete node.attributes[name];
+            }
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../style.js":382,"../xast.js":384,"./_collections":325}],371:[function(require,module,exports){
+'use strict';
+
+exports.name = 'removeUnusedNS';
+exports.description = 'removes unused namespaces declaration';
+
+/**
+ * Remove unused namespaces declaration from svg element
+ * which are not used in elements or attributes
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  const unusedNamespaces = new Set();
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // collect all namespaces from svg element
+        // (such as xmlns:xlink="http://www.w3.org/1999/xlink")
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          for (const name of Object.keys(node.attributes)) {
+            if (name.startsWith('xmlns:')) {
+              const local = name.slice('xmlns:'.length);
+              unusedNamespaces.add(local);
+            }
+          }
+        }
+        if (unusedNamespaces.size !== 0) {
+          // preserve namespace used in nested elements names
+          if (node.name.includes(':')) {
+            const [ns] = node.name.split(':');
+            if (unusedNamespaces.has(ns)) {
+              unusedNamespaces.delete(ns);
+            }
+          }
+          // preserve namespace used in nested elements attributes
+          for (const name of Object.keys(node.attributes)) {
+            if (name.includes(':')) {
+              const [ns] = name.split(':');
+              unusedNamespaces.delete(ns);
+            }
+          }
+        }
+      },
+      exit: (node, parentNode) => {
+        // remove unused namespace attributes from svg element
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          for (const name of unusedNamespaces) {
+            delete node.attributes[`xmlns:${name}`];
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],372:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+const { elemsGroups } = require('./_collections.js');
+
+exports.name = 'removeUselessDefs';
+exports.description = 'removes elements in <defs> without id';
+
+/**
+ * Removes content of defs and properties that aren't rendered directly without ids.
+ *
+ * @author Lev Solntsev
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (node.name === 'defs') {
+          /**
+           * @type {Array<XastElement>}
+           */
+          const usefulNodes = [];
+          collectUsefulNodes(node, usefulNodes);
+          if (usefulNodes.length === 0) {
+            detachNodeFromParent(node, parentNode);
+          }
+          // TODO remove legacy parentNode in v4
+          for (const usefulNode of usefulNodes) {
+            Object.defineProperty(usefulNode, 'parentNode', {
+              writable: true,
+              value: node,
+            });
+          }
+          node.children = usefulNodes;
+        } else if (
+          elemsGroups.nonRendering.includes(node.name) &&
+          node.attributes.id == null
+        ) {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+/**
+ * @type {(node: XastElement, usefulNodes: Array<XastElement>) => void}
+ */
+const collectUsefulNodes = (node, usefulNodes) => {
+  for (const child of node.children) {
+    if (child.type === 'element') {
+      if (child.attributes.id != null || child.name === 'style') {
+        usefulNodes.push(child);
+      } else {
+        collectUsefulNodes(child, usefulNodes);
+      }
+    }
+  }
+};
+
+},{"../xast.js":384,"./_collections.js":325}],373:[function(require,module,exports){
+'use strict';
+
+const { visit, visitSkip, detachNodeFromParent } = require('../xast.js');
+const { collectStylesheet, computeStyle } = require('../style.js');
+const { elemsGroups } = require('./_collections.js');
+
+exports.name = 'removeUselessStrokeAndFill';
+exports.description = 'removes useless stroke and fill attributes';
+
+/**
+ * Remove useless stroke and fill attrs.
+ *
+ * @author Kir Belevich
+ */
+exports.fn = (root, params) => {
+  const {
+    stroke: removeStroke = true,
+    fill: removeFill = true,
+    removeNone = false,
+  } = params;
+
+  // style and script elements deoptimise this plugin
+  let hasStyleOrScript = false;
+  visit(root, {
+    element: {
+      enter: (node) => {
+        if (node.name === 'style' || node.name === 'script') {
+          hasStyleOrScript = true;
+        }
+      },
+    },
+  });
+  if (hasStyleOrScript) {
+    return null;
+  }
+
+  const stylesheet = collectStylesheet(root);
+
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        // id attribute deoptimise the whole subtree
+        if (node.attributes.id != null) {
+          return visitSkip;
+        }
+        if (elemsGroups.shape.includes(node.name) == false) {
+          return;
+        }
+        const computedStyle = computeStyle(stylesheet, node);
+        const stroke = computedStyle.stroke;
+        const strokeOpacity = computedStyle['stroke-opacity'];
+        const strokeWidth = computedStyle['stroke-width'];
+        const markerEnd = computedStyle['marker-end'];
+        const fill = computedStyle.fill;
+        const fillOpacity = computedStyle['fill-opacity'];
+        const computedParentStyle =
+          parentNode.type === 'element'
+            ? computeStyle(stylesheet, parentNode)
+            : null;
+        const parentStroke =
+          computedParentStyle == null ? null : computedParentStyle.stroke;
+
+        // remove stroke*
+        if (removeStroke) {
+          if (
+            stroke == null ||
+            (stroke.type === 'static' && stroke.value == 'none') ||
+            (strokeOpacity != null &&
+              strokeOpacity.type === 'static' &&
+              strokeOpacity.value === '0') ||
+            (strokeWidth != null &&
+              strokeWidth.type === 'static' &&
+              strokeWidth.value === '0')
+          ) {
+            // stroke-width may affect the size of marker-end
+            // marker is not visible when stroke-width is 0
+            if (
+              (strokeWidth != null &&
+                strokeWidth.type === 'static' &&
+                strokeWidth.value === '0') ||
+              markerEnd == null
+            ) {
+              for (const name of Object.keys(node.attributes)) {
+                if (name.startsWith('stroke')) {
+                  delete node.attributes[name];
+                }
+              }
+              // set explicit none to not inherit from parent
+              if (
+                parentStroke != null &&
+                parentStroke.type === 'static' &&
+                parentStroke.value !== 'none'
+              ) {
+                node.attributes.stroke = 'none';
+              }
+            }
+          }
+        }
+
+        // remove fill*
+        if (removeFill) {
+          if (
+            (fill != null && fill.type === 'static' && fill.value === 'none') ||
+            (fillOpacity != null &&
+              fillOpacity.type === 'static' &&
+              fillOpacity.value === '0')
+          ) {
+            for (const name of Object.keys(node.attributes)) {
+              if (name.startsWith('fill-')) {
+                delete node.attributes[name];
+              }
+            }
+            if (
+              fill == null ||
+              (fill.type === 'static' && fill.value !== 'none')
+            ) {
+              node.attributes.fill = 'none';
+            }
+          }
+        }
+
+        if (removeNone) {
+          if (
+            (stroke == null || node.attributes.stroke === 'none') &&
+            ((fill != null &&
+              fill.type === 'static' &&
+              fill.value === 'none') ||
+              node.attributes.fill === 'none')
+          ) {
+            detachNodeFromParent(node, parentNode);
+          }
+        }
+      },
+    },
+  };
+};
+
+},{"../style.js":382,"../xast.js":384,"./_collections.js":325}],374:[function(require,module,exports){
+'use strict';
+
+exports.name = 'removeViewBox';
+exports.description = 'removes viewBox attribute when possible';
+
+const viewBoxElems = ['svg', 'pattern', 'symbol'];
+
+/**
+ * Remove viewBox attr which coincides with a width/height box.
+ *
+ * @see https://www.w3.org/TR/SVG11/coords.html#ViewBoxAttribute
+ *
+ * @example
+ * <svg width="100" height="50" viewBox="0 0 100 50">
+ *             ⬇
+ * <svg width="100" height="50">
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node, parentNode) => {
+        if (
+          viewBoxElems.includes(node.name) &&
+          node.attributes.viewBox != null &&
+          node.attributes.width != null &&
+          node.attributes.height != null
+        ) {
+          // TODO remove width/height for such case instead
+          if (node.name === 'svg' && parentNode.type !== 'root') {
+            return;
+          }
+          const nums = node.attributes.viewBox.split(/[ ,]+/g);
+          if (
+            nums[0] === '0' &&
+            nums[1] === '0' &&
+            node.attributes.width.replace(/px$/, '') === nums[2] && // could use parseFloat too
+            node.attributes.height.replace(/px$/, '') === nums[3]
+          ) {
+            delete node.attributes.viewBox;
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],375:[function(require,module,exports){
+'use strict';
+
+exports.name = 'removeXMLNS';
+exports.description =
+  'removes xmlns attribute (for inline svg, disabled by default)';
+
+/**
+ * Remove the xmlns attribute when present.
+ *
+ * @example
+ * <svg viewBox="0 0 100 50" xmlns="http://www.w3.org/2000/svg">
+ *   ↓
+ * <svg viewBox="0 0 100 50">
+ *
+ * @author Ricardo Tomasi
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'svg') {
+          delete node.attributes.xmlns;
+          delete node.attributes['xmlns:xlink'];
+        }
+      },
+    },
+  };
+};
+
+},{}],376:[function(require,module,exports){
+'use strict';
+
+const { detachNodeFromParent } = require('../xast.js');
+
+exports.name = 'removeXMLProcInst';
+exports.description = 'removes XML processing instructions';
+
+/**
+ * Remove XML Processing Instruction.
+ *
+ * @example
+ * <?xml version="1.0" encoding="utf-8"?>
+ *
+ * @author Kir Belevich
+ */
+exports.fn = () => {
+  return {
+    instruction: {
+      enter: (node, parentNode) => {
+        if (node.name === 'xml') {
+          detachNodeFromParent(node, parentNode);
+        }
+      },
+    },
+  };
+};
+
+},{"../xast.js":384}],377:[function(require,module,exports){
+'use strict';
+
+exports.name = 'reusePaths';
+exports.description =
+  'Finds <path> elements with the same d, fill, and ' +
+  'stroke, and converts them to <use> elements ' +
+  'referencing a single <path> def.';
+
+/**
+ * Finds <path> elements with the same d, fill, and stroke, and converts them to
+ * <use> elements referencing a single <path> def.
+ *
+ * @author Jacob Howcroft
+ *
+ */
+exports.fn = () => {
+  /**
+   * @type {Map<string, Array<XastElement>>}
+   */
+  const paths = new Map();
+
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'path' && node.attributes.d != null) {
+          const d = node.attributes.d;
+          const fill = node.attributes.fill || '';
+          const stroke = node.attributes.stroke || '';
+          const key = d + ';s:' + stroke + ';f:' + fill;
+          let list = paths.get(key);
+          if (list == null) {
+            list = [];
+            paths.set(key, list);
+          }
+          list.push(node);
+        }
+      },
+
+      exit: (node, parentNode) => {
+        if (node.name === 'svg' && parentNode.type === 'root') {
+          /**
+           * @type {XastElement}
+           */
+          const defsTag = {
+            type: 'element',
+            name: 'defs',
+            attributes: {},
+            children: [],
+          };
+          // TODO remove legacy parentNode in v4
+          Object.defineProperty(defsTag, 'parentNode', {
+            writable: true,
+            value: node,
+          });
+          let index = 0;
+          for (const list of paths.values()) {
+            if (list.length > 1) {
+              // add reusable path to defs
+              /**
+               * @type {XastElement}
+               */
+              const reusablePath = {
+                type: 'element',
+                name: 'path',
+                attributes: { ...list[0].attributes },
+                children: [],
+              };
+              delete reusablePath.attributes.transform;
+              let id;
+              if (reusablePath.attributes.id == null) {
+                id = 'reuse-' + index;
+                index += 1;
+                reusablePath.attributes.id = id;
+              } else {
+                id = reusablePath.attributes.id;
+                delete list[0].attributes.id;
+              }
+              // TODO remove legacy parentNode in v4
+              Object.defineProperty(reusablePath, 'parentNode', {
+                writable: true,
+                value: defsTag,
+              });
+              defsTag.children.push(reusablePath);
+              // convert paths to <use>
+              for (const pathNode of list) {
+                pathNode.name = 'use';
+                pathNode.attributes['xlink:href'] = '#' + id;
+                delete pathNode.attributes.d;
+                delete pathNode.attributes.stroke;
+                delete pathNode.attributes.fill;
+              }
+            }
+          }
+          if (defsTag.children.length !== 0) {
+            if (node.attributes['xmlns:xlink'] == null) {
+              node.attributes['xmlns:xlink'] = 'http://www.w3.org/1999/xlink';
+            }
+            node.children.unshift(defsTag);
+          }
+        }
+      },
+    },
+  };
+};
+
+},{}],378:[function(require,module,exports){
+'use strict';
+
+const { createPreset } = require('../tools.js');
+
+const removeDoctype = require('./removeDoctype.js');
+const removeXMLProcInst = require('./removeXMLProcInst.js');
+const removeComments = require('./removeComments.js');
+const removeMetadata = require('./removeMetadata.js');
+const removeEditorsNSData = require('./removeEditorsNSData.js');
+const cleanupAttrs = require('./cleanupAttrs.js');
+const mergeStyles = require('./mergeStyles.js');
+const inlineStyles = require('./inlineStyles.js');
+const minifyStyles = require('./minifyStyles.js');
+const cleanupIds = require('./cleanupIds.js');
+const removeUselessDefs = require('./removeUselessDefs.js');
+const cleanupNumericValues = require('./cleanupNumericValues.js');
+const convertColors = require('./convertColors.js');
+const removeUnknownsAndDefaults = require('./removeUnknownsAndDefaults.js');
+const removeNonInheritableGroupAttrs = require('./removeNonInheritableGroupAttrs.js');
+const removeUselessStrokeAndFill = require('./removeUselessStrokeAndFill.js');
+const removeViewBox = require('./removeViewBox.js');
+const cleanupEnableBackground = require('./cleanupEnableBackground.js');
+const removeHiddenElems = require('./removeHiddenElems.js');
+const removeEmptyText = require('./removeEmptyText.js');
+const convertEllipseToCircle = require('./convertEllipseToCircle.js');
+const collapseGroups = require('./collapseGroups.js');
+const convertPathData = require('./convertPathData.js');
+const convertTransform = require('./convertTransform.js');
+const removeEmptyAttrs = require('./removeEmptyAttrs.js');
+const removeEmptyContainers = require('./removeEmptyContainers.js');
+const mergePaths = require('./mergePaths.js');
+const removeUnusedNS = require('./removeUnusedNS.js');
+const sortDefsChildren = require('./sortDefsChildren.js');
+const removeTitle = require('./removeTitle.js');
+const removeDesc = require('./removeDesc.js');
+
+const presetSafe = createPreset({
+  name: 'safePreset',
+  plugins: [
+    removeDoctype,
+    removeXMLProcInst,
+    removeComments,
+    removeMetadata,
+    removeEditorsNSData,
+    cleanupAttrs,
+    mergeStyles,
+    cleanupIds,
+    inlineStyles,
+    removeUselessDefs,
+    cleanupNumericValues,
+    convertColors,
+    removeUnknownsAndDefaults,
+    removeNonInheritableGroupAttrs,
+    removeUselessStrokeAndFill,
+    removeViewBox,
+    cleanupEnableBackground,
+    removeHiddenElems,
+    removeEmptyText,
+    convertEllipseToCircle,
+    collapseGroups,
+    convertPathData,
+    convertTransform,
+    removeEmptyAttrs,
+    removeEmptyContainers,
+    mergePaths,
+    removeUnusedNS,
+    sortDefsChildren,
+    removeTitle,
+    removeDesc,
+  ],
+});
+
+module.exports = presetSafe;
+
+},{"../tools.js":383,"./cleanupAttrs.js":331,"./cleanupEnableBackground.js":332,"./cleanupIds.js":333,"./cleanupNumericValues.js":335,"./collapseGroups.js":336,"./convertColors.js":337,"./convertEllipseToCircle.js":338,"./convertPathData.js":339,"./convertTransform.js":342,"./inlineStyles.js":344,"./mergePaths.js":345,"./mergeStyles.js":346,"./minifyStyles.js":347,"./removeComments.js":353,"./removeDesc.js":354,"./removeDoctype.js":356,"./removeEditorsNSData.js":357,"./removeEmptyAttrs.js":359,"./removeEmptyContainers.js":360,"./removeEmptyText.js":361,"./removeHiddenElems.js":362,"./removeMetadata.js":363,"./removeNonInheritableGroupAttrs.js":364,"./removeTitle.js":369,"./removeUnknownsAndDefaults.js":370,"./removeUnusedNS.js":371,"./removeUselessDefs.js":372,"./removeUselessStrokeAndFill.js":373,"./removeViewBox.js":374,"./removeXMLProcInst.js":376,"./sortDefsChildren.js":380}],379:[function(require,module,exports){
+'use strict';
+
+exports.name = 'sortAttrs';
+exports.description = 'Sort element attributes for better compression';
+
+/**
+ * Sort element attributes for better compression
+ *
+ * @author Nikolay Frantsev
+ *
+ */
+exports.fn = (_root, params) => {
+  const {
+    order = [
+      'id',
+      'width',
+      'height',
+      'x',
+      'x1',
+      'x2',
+      'y',
+      'y1',
+      'y2',
+      'cx',
+      'cy',
+      'r',
+      'fill',
+      'stroke',
+      'marker',
+      'd',
+      'points',
+    ],
+    xmlnsOrder = 'front',
+  } = params;
+
+  const getNsPriority = (name) => {
+    if (xmlnsOrder === 'front') {
+      // put xmlns first
+      if (name === 'xmlns') {
+        return 3;
+      }
+      // xmlns:* attributes second
+      if (name.startsWith('xmlns:')) {
+        return 2;
+      }
+    }
+    // other namespaces after and sort them alphabetically
+    if (name.includes(':')) {
+      return 1;
+    }
+    // other attributes
+    return 0;
+  };
+
+  const compareAttrs = ([aName], [bName]) => {
+    // sort namespaces
+    const aPriority = getNsPriority(aName);
+    const bPriority = getNsPriority(bName);
+    const priorityNs = bPriority - aPriority;
+    if (priorityNs !== 0) {
+      return priorityNs;
+    }
+    // extract the first part from attributes
+    // for example "fill" from "fill" and "fill-opacity"
+    const [aPart] = aName.split('-');
+    const [bPart] = bName.split('-');
+    // rely on alphabetical sort when the first part is the same
+    if (aPart !== bPart) {
+      const aInOrderFlag = order.includes(aPart) ? 1 : 0;
+      const bInOrderFlag = order.includes(bPart) ? 1 : 0;
+      // sort by position in order param
+      if (aInOrderFlag === 1 && bInOrderFlag === 1) {
+        return order.indexOf(aPart) - order.indexOf(bPart);
+      }
+      // put attributes from order param before others
+      const priorityOrder = bInOrderFlag - aInOrderFlag;
+      if (priorityOrder !== 0) {
+        return priorityOrder;
+      }
+    }
+    // sort alphabetically
+    return aName < bName ? -1 : 1;
+  };
+
+  return {
+    element: {
+      enter: (node) => {
+        const attrs = Object.entries(node.attributes);
+        attrs.sort(compareAttrs);
+        const sortedAttributes = {};
+        for (const [name, value] of attrs) {
+          sortedAttributes[name] = value;
+        }
+        node.attributes = sortedAttributes;
+      },
+    },
+  };
+};
+
+},{}],380:[function(require,module,exports){
+'use strict';
+
+exports.name = 'sortDefsChildren';
+exports.description = 'Sorts children of <defs> to improve compression';
+
+/**
+ * Sorts children of defs in order to improve compression.
+ * Sorted first by frequency then by element name length then by element name (to ensure grouping).
+ *
+ * @author David Leston
+ */
+exports.fn = () => {
+  return {
+    element: {
+      enter: (node) => {
+        if (node.name === 'defs') {
+          /**
+           * @type {Map<string, number>}
+           */
+          const frequencies = new Map();
+          for (const child of node.children) {
+            if (child.type === 'element') {
+              const frequency = frequencies.get(child.name);
+              if (frequency == null) {
+                frequencies.set(child.name, 1);
+              } else {
+                frequencies.set(child.name, frequency + 1);
+              }
+            }
+          }
+          node.children.sort((a, b) => {
+            if (a.type !== 'element' || b.type !== 'element') {
+              return 0;
+            }
+            const aFrequency = frequencies.get(a.name);
+            const bFrequency = frequencies.get(b.name);
+            if (aFrequency != null && bFrequency != null) {
+              const frequencyComparison = bFrequency - aFrequency;
+              if (frequencyComparison !== 0) {
+                return frequencyComparison;
+              }
+            }
+            const lengthComparison = b.name.length - a.name.length;
+            if (lengthComparison !== 0) {
+              return lengthComparison;
+            }
+            if (a.name !== b.name) {
+              return a.name > b.name ? -1 : 1;
+            }
+            return 0;
+          });
+        }
+      },
+    },
+  };
+};
+
+},{}],381:[function(require,module,exports){
+'use strict';
+
+const { textElems } = require('./plugins/_collections.js');
+
+const encodeEntity = (c) => {
+  return entities[c];
+};
+
+const defaults = {
+  doctypeStart: '<!DOCTYPE',
+  doctypeEnd: '>',
+  procInstStart: '<?',
+  procInstEnd: '?>',
+  tagOpenStart: '<',
+  tagOpenEnd: '>',
+  tagCloseStart: '</',
+  tagCloseEnd: '>',
+  tagShortStart: '<',
+  tagShortEnd: '/>',
+  attrStart: '="',
+  attrEnd: '"',
+  commentStart: '<!--',
+  commentEnd: '-->',
+  cdataStart: '<![CDATA[',
+  cdataEnd: ']]>',
+  textStart: '',
+  textEnd: '',
+  indent: 4,
+  regEntities: /[&'"<>]/g,
+  regValEntities: /[&"<>]/g,
+  encodeEntity: encodeEntity,
+  pretty: false,
+  useShortTags: true,
+  eol: 'lf',
+  finalNewline: false,
+};
+
+const entities = {
+  '&': '&amp;',
+  "'": '&apos;',
+  '"': '&quot;',
+  '>': '&gt;',
+  '<': '&lt;',
+};
+
+/**
+ * convert XAST to SVG string
+ */
+const stringifySvg = (data, userOptions = {}) => {
+  const config = { ...defaults, ...userOptions };
+  const indent = config.indent;
+  let newIndent = '    ';
+  if (typeof indent === 'number' && Number.isNaN(indent) === false) {
+    newIndent = indent < 0 ? '\t' : ' '.repeat(indent);
+  } else if (typeof indent === 'string') {
+    newIndent = indent;
+  }
+  const state = {
+    indent: newIndent,
+    textContext: null,
+    indentLevel: 0,
+  };
+  const eol = config.eol === 'crlf' ? '\r\n' : '\n';
+  if (config.pretty) {
+    config.doctypeEnd += eol;
+    config.procInstEnd += eol;
+    config.commentEnd += eol;
+    config.cdataEnd += eol;
+    config.tagShortEnd += eol;
+    config.tagOpenEnd += eol;
+    config.tagCloseEnd += eol;
+    config.textEnd += eol;
+  }
+  let svg = stringifyNode(data, config, state);
+  if (config.finalNewline && svg.length > 0 && svg[svg.length - 1] !== '\n') {
+    svg += eol;
+  }
+  return svg;
+};
+exports.stringifySvg = stringifySvg;
+
+const stringifyNode = (data, config, state) => {
+  let svg = '';
+  state.indentLevel += 1;
+  for (const item of data.children) {
+    if (item.type === 'element') {
+      svg += stringifyElement(item, config, state);
+    }
+    if (item.type === 'text') {
+      svg += stringifyText(item, config, state);
+    }
+    if (item.type === 'doctype') {
+      svg += stringifyDoctype(item, config);
+    }
+    if (item.type === 'instruction') {
+      svg += stringifyInstruction(item, config);
+    }
+    if (item.type === 'comment') {
+      svg += stringifyComment(item, config);
+    }
+    if (item.type === 'cdata') {
+      svg += stringifyCdata(item, config, state);
+    }
+  }
+  state.indentLevel -= 1;
+  return svg;
+};
+
+/**
+ * create indent string in accordance with the current node level.
+ */
+const createIndent = (config, state) => {
+  let indent = '';
+  if (config.pretty && state.textContext == null) {
+    indent = state.indent.repeat(state.indentLevel - 1);
+  }
+  return indent;
+};
+
+const stringifyDoctype = (node, config) => {
+  return config.doctypeStart + node.data.doctype + config.doctypeEnd;
+};
+
+const stringifyInstruction = (node, config) => {
+  return (
+    config.procInstStart + node.name + ' ' + node.value + config.procInstEnd
+  );
+};
+
+const stringifyComment = (node, config) => {
+  return config.commentStart + node.value + config.commentEnd;
+};
+
+const stringifyCdata = (node, config, state) => {
+  return (
+    createIndent(config, state) +
+    config.cdataStart +
+    node.value +
+    config.cdataEnd
+  );
+};
+
+const stringifyElement = (node, config, state) => {
+  // empty element and short tag
+  if (node.children.length === 0) {
+    if (config.useShortTags) {
+      return (
+        createIndent(config, state) +
+        config.tagShortStart +
+        node.name +
+        stringifyAttributes(node, config) +
+        config.tagShortEnd
+      );
+    } else {
+      return (
+        createIndent(config, state) +
+        config.tagShortStart +
+        node.name +
+        stringifyAttributes(node, config) +
+        config.tagOpenEnd +
+        config.tagCloseStart +
+        node.name +
+        config.tagCloseEnd
+      );
+    }
+    // non-empty element
+  } else {
+    let tagOpenStart = config.tagOpenStart;
+    let tagOpenEnd = config.tagOpenEnd;
+    let tagCloseStart = config.tagCloseStart;
+    let tagCloseEnd = config.tagCloseEnd;
+    let openIndent = createIndent(config, state);
+    let closeIndent = createIndent(config, state);
+
+    if (state.textContext) {
+      tagOpenStart = defaults.tagOpenStart;
+      tagOpenEnd = defaults.tagOpenEnd;
+      tagCloseStart = defaults.tagCloseStart;
+      tagCloseEnd = defaults.tagCloseEnd;
+      openIndent = '';
+    } else if (textElems.includes(node.name)) {
+      tagOpenEnd = defaults.tagOpenEnd;
+      tagCloseStart = defaults.tagCloseStart;
+      closeIndent = '';
+      state.textContext = node;
+    }
+
+    const children = stringifyNode(node, config, state);
+
+    if (state.textContext === node) {
+      state.textContext = null;
+    }
+
+    return (
+      openIndent +
+      tagOpenStart +
+      node.name +
+      stringifyAttributes(node, config) +
+      tagOpenEnd +
+      children +
+      closeIndent +
+      tagCloseStart +
+      node.name +
+      tagCloseEnd
+    );
+  }
+};
+
+const stringifyAttributes = (node, config) => {
+  let attrs = '';
+  for (const [name, value] of Object.entries(node.attributes)) {
+    // TODO remove attributes without values support in v3
+    if (value !== undefined) {
+      const encodedValue = value
+        .toString()
+        .replace(config.regValEntities, config.encodeEntity);
+      attrs += ' ' + name + config.attrStart + encodedValue + config.attrEnd;
+    } else {
+      attrs += ' ' + name;
+    }
+  }
+  return attrs;
+};
+
+const stringifyText = (node, config, state) => {
+  return (
+    createIndent(config, state) +
+    config.textStart +
+    node.value.replace(config.regEntities, config.encodeEntity) +
+    (state.textContext ? '' : config.textEnd)
+  );
+};
+
+},{"./plugins/_collections.js":325}],382:[function(require,module,exports){
+'use strict';
+
+const csstree = require('css-tree');
+const {
+  syntax: { specificity },
+} = require('csso');
+const { visit, matches } = require('./xast.js');
+const {
+  attrsGroups,
+  inheritableAttrs,
+  presentationNonInheritableGroupAttrs,
+} = require('./plugins/_collections.js');
+
+const csstreeWalkSkip = csstree.walk.skip;
+
+const parseRule = (ruleNode, dynamic) => {
+  const declarations = [];
+  // collect declarations
+  ruleNode.block.children.forEach((cssNode) => {
+    if (cssNode.type === 'Declaration') {
+      declarations.push({
+        name: cssNode.property,
+        value: csstree.generate(cssNode.value),
+        important: cssNode.important === true,
+      });
+    }
+  });
+
+  const rules = [];
+  csstree.walk(ruleNode.prelude, (node) => {
+    if (node.type === 'Selector') {
+      const newNode = csstree.clone(node);
+      let hasPseudoClasses = false;
+      csstree.walk(newNode, (pseudoClassNode, item, list) => {
+        if (pseudoClassNode.type === 'PseudoClassSelector') {
+          hasPseudoClasses = true;
+          list.remove(item);
+        }
+      });
+      rules.push({
+        specificity: specificity(node),
+        dynamic: hasPseudoClasses || dynamic,
+        // compute specificity from original node to consider pseudo classes
+        selector: csstree.generate(newNode),
+        declarations,
+      });
+    }
+  });
+
+  return rules;
+};
+
+const parseStylesheet = (css, dynamic) => {
+  const rules = [];
+  const ast = csstree.parse(css, {
+    parseValue: false,
+    parseAtrulePrelude: false,
+  });
+  csstree.walk(ast, (cssNode) => {
+    if (cssNode.type === 'Rule') {
+      rules.push(...parseRule(cssNode, dynamic || false));
+      return csstreeWalkSkip;
+    }
+    if (cssNode.type === 'Atrule') {
+      if (cssNode.name === 'keyframes') {
+        return csstreeWalkSkip;
+      }
+      csstree.walk(cssNode, (ruleNode) => {
+        if (ruleNode.type === 'Rule') {
+          rules.push(...parseRule(ruleNode, dynamic || true));
+          return csstreeWalkSkip;
+        }
+      });
+      return csstreeWalkSkip;
+    }
+  });
+  return rules;
+};
+
+const parseStyleDeclarations = (css) => {
+  const declarations = [];
+  const ast = csstree.parse(css, {
+    context: 'declarationList',
+    parseValue: false,
+  });
+  csstree.walk(ast, (cssNode) => {
+    if (cssNode.type === 'Declaration') {
+      declarations.push({
+        name: cssNode.property,
+        value: csstree.generate(cssNode.value),
+        important: cssNode.important === true,
+      });
+    }
+  });
+  return declarations;
+};
+
+const computeOwnStyle = (stylesheet, node) => {
+  const computedStyle = {};
+  const importantStyles = new Map();
+
+  // collect attributes
+  for (const [name, value] of Object.entries(node.attributes)) {
+    if (attrsGroups.presentation.includes(name)) {
+      computedStyle[name] = { type: 'static', inherited: false, value };
+      importantStyles.set(name, false);
+    }
+  }
+
+  // collect matching rules
+  for (const { selector, declarations, dynamic } of stylesheet.rules) {
+    if (matches(node, selector)) {
+      for (const { name, value, important } of declarations) {
+        const computed = computedStyle[name];
+        if (computed && computed.type === 'dynamic') {
+          continue;
+        }
+        if (dynamic) {
+          computedStyle[name] = { type: 'dynamic', inherited: false };
+          continue;
+        }
+        if (
+          computed == null ||
+          important === true ||
+          importantStyles.get(name) === false
+        ) {
+          computedStyle[name] = { type: 'static', inherited: false, value };
+          importantStyles.set(name, important);
+        }
+      }
+    }
+  }
+
+  // collect inline styles
+  const styleDeclarations =
+    node.attributes.style == null
+      ? []
+      : parseStyleDeclarations(node.attributes.style);
+  for (const { name, value, important } of styleDeclarations) {
+    const computed = computedStyle[name];
+    if (computed && computed.type === 'dynamic') {
+      continue;
+    }
+    if (
+      computed == null ||
+      important === true ||
+      importantStyles.get(name) === false
+    ) {
+      computedStyle[name] = { type: 'static', inherited: false, value };
+      importantStyles.set(name, important);
+    }
+  }
+
+  return computedStyle;
+};
+
+/**
+ * Compares two selector specificities.
+ * extracted from https://github.com/keeganstreet/specificity/blob/main/specificity.js#L211
+ */
+const compareSpecificity = (a, b) => {
+  for (let i = 0; i < 4; i += 1) {
+    if (a[i] < b[i]) {
+      return -1;
+    } else if (a[i] > b[i]) {
+      return 1;
+    }
+  }
+
+  return 0;
+};
+
+const collectStylesheet = (root) => {
+  const rules = [];
+  const parents = new Map();
+  visit(root, {
+    element: {
+      enter: (node, parentNode) => {
+        // store parents
+        parents.set(node, parentNode);
+        // find and parse all styles
+        if (node.name === 'style') {
+          const dynamic =
+            node.attributes.media != null && node.attributes.media !== 'all';
+          if (
+            node.attributes.type == null ||
+            node.attributes.type === '' ||
+            node.attributes.type === 'text/css'
+          ) {
+            const children = node.children;
+            for (const child of children) {
+              if (child.type === 'text' || child.type === 'cdata') {
+                rules.push(...parseStylesheet(child.value, dynamic));
+              }
+            }
+          }
+        }
+      },
+    },
+  });
+  // sort by selectors specificity
+  rules.sort((a, b) => compareSpecificity(a.specificity, b.specificity));
+  return { rules, parents };
+};
+exports.collectStylesheet = collectStylesheet;
+
+const computeStyle = (stylesheet, node) => {
+  const { parents } = stylesheet;
+  // collect inherited styles
+  const computedStyles = computeOwnStyle(stylesheet, node);
+  let parent = parents.get(node);
+  while (parent != null && parent.type !== 'root') {
+    const inheritedStyles = computeOwnStyle(stylesheet, parent);
+    for (const [name, computed] of Object.entries(inheritedStyles)) {
+      if (
+        computedStyles[name] == null &&
+        // ignore not inheritable styles
+        inheritableAttrs.includes(name) === true &&
+        presentationNonInheritableGroupAttrs.includes(name) === false
+      ) {
+        computedStyles[name] = { ...computed, inherited: true };
+      }
+    }
+    parent = parents.get(parent);
+  }
+  return computedStyles;
+};
+exports.computeStyle = computeStyle;
+
+},{"./plugins/_collections.js":325,"./xast.js":384,"css-tree":25,"csso":138}],383:[function(require,module,exports){
+(function (Buffer){(function (){
+'use strict';
+
+const { visit } = require('./xast.js');
+
+
+/**
+ * Encode plain SVG data string into Data URI string.
+ */
+exports.encodeSVGDatauri = (str, type) => {
+  var prefix = 'data:image/svg+xml';
+  if (!type || type === 'base64') {
+    // base64
+    prefix += ';base64,';
+    str = prefix + Buffer.from(str).toString('base64');
+  } else if (type === 'enc') {
+    // URI encoded
+    str = prefix + ',' + encodeURIComponent(str);
+  } else if (type === 'unenc') {
+    // unencoded
+    str = prefix + ',' + str;
+  }
+  return str;
+};
+
+/**
+ * Decode SVG Data URI string into plain SVG string.
+ */
+exports.decodeSVGDatauri = (str) => {
+  var regexp = /data:image\/svg\+xml(;charset=[^;,]*)?(;base64)?,(.*)/;
+  var match = regexp.exec(str);
+
+  // plain string
+  if (!match) return str;
+
+  var data = match[3];
+
+  if (match[2]) {
+    // base64
+    str = Buffer.from(data, 'base64').toString('utf8');
+  } else if (data.charAt(0) === '%') {
+    // URI encoded
+    str = decodeURIComponent(data);
+  } else if (data.charAt(0) === '<') {
+    // unencoded
+    str = data;
+  }
+  return str;
+};
+
+/**
+ * Convert a row of numbers to an optimized string view.
+ *
+ * @example
+ * [0, -1, .5, .5] → "0-1 .5.5"
+ */
+exports.cleanupOutData = (data, params, command) => {
+  let str = '';
+  let delimiter;
+  let prev;
+
+  data.forEach((item, i) => {
+    // space delimiter by default
+    delimiter = ' ';
+
+    // no extra space in front of first number
+    if (i == 0) delimiter = '';
+
+    // no extra space after 'arcto' command flags(large-arc and sweep flags)
+    // a20 60 45 0 1 30 20 → a20 60 45 0130 20
+    if (params.noSpaceAfterFlags && (command == 'A' || command == 'a')) {
+      var pos = i % 7;
+      if (pos == 4 || pos == 5) delimiter = '';
+    }
+
+    // remove floating-point numbers leading zeros
+    // 0.5 → .5
+    // -0.5 → -.5
+    const itemStr = params.leadingZero
+      ? removeLeadingZero(item)
+      : item.toString();
+
+    // no extra space in front of negative number or
+    // in front of a floating number if a previous number is floating too
+    if (
+      params.negativeExtraSpace &&
+      delimiter != '' &&
+      (item < 0 || (itemStr.charAt(0) === '.' && prev % 1 !== 0))
+    ) {
+      delimiter = '';
+    }
+    // save prev item value
+    prev = item;
+    str += delimiter + itemStr;
+  });
+  return str;
+};
+
+/**
+ * Remove floating-point numbers leading zero.
+ *
+ * @example
+ * 0.5 → .5
+ *
+ * @example
+ * -0.5 → -.5
+ */
+const removeLeadingZero = (num) => {
+  var strNum = num.toString();
+
+  if (0 < num && num < 1 && strNum.charAt(0) === '0') {
+    strNum = strNum.slice(1);
+  } else if (-1 < num && num < 0 && strNum.charAt(1) === '0') {
+    strNum = strNum.charAt(0) + strNum.slice(2);
+  }
+  return strNum;
+};
+exports.removeLeadingZero = removeLeadingZero;
+
+
+function invokePlugins(ast, info, plugins, overrides, globalOverrides) {
+  for (const plugin of plugins) {
+    const override = overrides == null ? null : overrides[plugin.name];
+    if (override === false) {
+      continue;
+    }
+    const params = { ...plugin.params, ...globalOverrides, ...override };
+    const visitor = plugin.fn(ast, params, info);
+    if (visitor != null) {
+      visit(ast, visitor);
+    }
+  }
+};
+
+function createPreset({ name, plugins }) {
+  return {
+    name,
+    fn: (ast, params, info) => {
+      const { floatPrecision, overrides } = params;
+
+      const globalOverrides = {};
+      if (floatPrecision != null) {
+        globalOverrides.floatPrecision = floatPrecision;
+      }
+
+      invokePlugins(ast, info, plugins, overrides, globalOverrides);
+    },
+  };
+}
+
+exports.invokePlugins = invokePlugins;
+exports.createPreset = createPreset;
+
+}).call(this)}).call(this,require("buffer").Buffer)
+},{"./xast.js":384,"buffer":4}],384:[function(require,module,exports){
+'use strict';
+
+const { selectAll, selectOne, is } = require('css-select');
+const xastAdaptor = require('./css-select-adapter.js');
+
+const cssSelectOptions = {
+  xmlMode: true,
+  adapter: xastAdaptor,
+};
+
+const querySelectorAll = (node, selector) => {
+  return selectAll(selector, node, cssSelectOptions);
+};
+exports.querySelectorAll = querySelectorAll;
+
+const querySelector = (node, selector) => {
+  return selectOne(selector, node, cssSelectOptions);
+};
+exports.querySelector = querySelector;
+
+const matches = (node, selector) => {
+  return is(node, selector, cssSelectOptions);
+};
+exports.matches = matches;
+
+const visitSkip = Symbol();
+exports.visitSkip = visitSkip;
+
+const visit = (node, visitor, parentNode) => {
+  const callbacks = visitor[node.type];
+  if (callbacks && callbacks.enter) {
+    // @ts-ignore hard to infer
+    const symbol = callbacks.enter(node, parentNode);
+    if (symbol === visitSkip) {
+      return;
+    }
+  }
+  // visit root children
+  if (node.type === 'root') {
+    // copy children array to not loose cursor when children is spliced
+    for (const child of node.children) {
+      visit(child, visitor, node);
+    }
+  }
+  // visit element children if still attached to parent
+  if (node.type === 'element') {
+    if (parentNode.children.includes(node)) {
+      for (const child of node.children) {
+        visit(child, visitor, node);
+      }
+    }
+  }
+  if (callbacks && callbacks.exit) {
+    // @ts-ignore hard to infer
+    callbacks.exit(node, parentNode);
+  }
+};
+exports.visit = visit;
+
+const detachNodeFromParent = (node, parentNode) => {
+  // avoid splice to not break for loops
+  parentNode.children = parentNode.children.filter((child) => child !== node);
+};
+exports.detachNodeFromParent = detachNodeFromParent;
+
+},{"./css-select-adapter.js":321,"css-select":8}]},{},[319])(319)
+});