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Squire/dist/squire.js

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2023-02-13 23:17:01 -05:00
"use strict";(()=>{var ot=()=>!0,_=class{constructor(t,e,n){this.root=t,this.currentNode=t,this.nodeType=e,this.filter=n||ot}isAcceptableNode(t){let e=t.nodeType;return!!((e===Node.ELEMENT_NODE?1:e===Node.TEXT_NODE?4:0)&this.nodeType)&&this.filter(t)}nextNode(){let t=this.root,e=this.currentNode,n;for(;;){for(n=e.firstChild;!n&&e&&e!==t;)n=e.nextSibling,n||(e=e.parentNode);if(!n)return null;if(this.isAcceptableNode(n))return this.currentNode=n,n;e=n}}previousNode(){let t=this.root,e=this.currentNode,n;for(;;){if(e===t)return null;if(n=e.previousSibling,n)for(;e=n.lastChild;)n=e;else n=e.parentNode;if(!n)return null;if(this.isAcceptableNode(n))return this.currentNode=n,n;e=n}}previousPONode(){let t=this.root,e=this.currentNode,n;for(;;){for(n=e.lastChild;!n&&e&&e!==t;)n=e.previousSibling,n||(e=e.parentNode);if(!n)return null;if(this.isAcceptableNode(n))return this.currentNode=n,n;e=n}}};var W="\u200B",V=navigator.userAgent,ce=/Mac OS X/.test(V),de=/Windows NT/.test(V),Ce=/iP(?:ad|hone|od)/.test(V)||ce&&!!navigator.maxTouchPoints,Me=/Android/.test(V),Fe=/Gecko\//.test(V),se=/Edge\//.test(V),st=!se&&/WebKit\//.test(V),y=ce||Ce?"Meta-":"Ctrl-",re=st,He="onbeforeinput"in document&&"inputType"in new InputEvent("input"),w=/[^ \t\r\n]/;var at=/^(?:#text|A(?:BBR|CRONYM)?|B(?:R|D[IO])?|C(?:ITE|ODE)|D(?:ATA|EL|FN)|EM|FONT|HR|I(?:FRAME|MG|NPUT|NS)?|KBD|Q|R(?:P|T|UBY)|S(?:AMP|MALL|PAN|TR(?:IKE|ONG)|U[BP])?|TIME|U|VAR|WBR)$/,ct=new Set(["BR","HR","IFRAME","IMG","INPUT"]),dt=0,_e=1,Pe=2,Ue=3,fe=new WeakMap,qe=()=>{fe=new WeakMap},I=i=>ct.has(i.nodeName),ve=i=>{switch(i.nodeType){case 3:return _e;case 1:case 11:if(fe.has(i))return fe.get(i);break;default:return dt}let t;return Array.from(i.childNodes).every(N)?at.test(i.nodeName)?t=_e:t=Pe:t=Ue,fe.set(i,t),t},N=i=>ve(i)===_e,H=i=>ve(i)===Pe,j=i=>ve(i)===Ue;var m=(i,t,e)=>{let n=document.createElement(i);if(t instanceof Array&&(e=t,t=null),t)for(let o in t){let s=t[o];s!==void 0&&n.setAttribute(o,s)}return e&&e.forEach(o=>n.appendChild(o)),n},xe=(i,t)=>I(i)||i.nodeType!==t.nodeType||i.nodeName!==t.nodeName?!1:i instanceof HTMLElement&&t instanceof HTMLElement?i.nodeName!=="A"&&i.className===t.className&&i.style.cssText===t.style.cssText:!0,ue=(i,t,e)=>{if(i.nodeName!==t)return!1;for(let n in e)if(!("getAttribute"in i)||i.getAttribute(n)!==e[n])return!1;return!0},g=(i,t,e,n)=>{for(;i&&i!==t;){if(ue(i,e,n))return i;i=i.parentNode}return null},he=(i,t)=>{let e=i.childNodes;for(;t&&i instanceof Element;)i=e[t-1],e=i.childNodes,t=e.length;return i},Le=(i,t)=>{let e=i;if(e instanceof Element){let n=e.childNodes;if(t<n.length)e=n[t];else{for(;e&&!e.nextSibling;)e=e.parentNode;e&&(e=e.nextSibling)}}return e},k=i=>i instanceof Element||i instanceof DocumentFragment?i.childNodes.length:i instanceof CharacterData?i.length:0,S=i=>{let t=document.createDocumentFragment(),e=i.firstChild;for(;e;)t.appendChild(e),e=i.firstChild;return t},E=i=>{let t=i.parentNode;return t&&t.removeChild(i),i},L=(i,t)=>{let e=i.parentNode;e&&e.replaceChild(t,i)};var ft=i=>i instanceof Element?i.nodeName==="BR":w.test(i.data),Y=(i,t)=>{let e=i.parentNode;for(;N(e);)e=e.parentNode;let n=new _(e,5,ft);return n.currentNode=i,!!n.nextNode()||t&&!n.previousNode()},me=(i,t)=>{let e=new _(i,4),n,o;for(;n=e.nextNode();)for(;(o=n.data.indexOf(W))>-1&&(!t||n.parentNode!==t);)if(n.length===1){let s=n,r=s.parentNode;for(;r&&(r.removeChild(s),e.currentNode=r,!(!N(r)||k(r)));)s=r,r=s.parentNode;break}else n.deleteData(o,1)};var ut=0,ht=1,mt=2,pt=3,K=(i,t,e)=>{let n=document.createRange();if(n.selectNode(t),e){let o=i.compareBoundaryPoints(pt,n)>-1,s=i.compareBoundaryPoints(ht,n)<1;return!o&&!s}else{let o=i.compareBoundaryPoints(ut,n)<1,s=i.compareBoundaryPoints(mt,n)>-1;return o&&s}},C=i=>{let{startContainer:t,startOffset:e,endContainer:n,endOffset:o}=i;for(;!(t instanceof Text);){let s=t.childNodes[e];if(!s||I(s)){if(e){s=t.childNodes[e-1];let r=s.previousSibling;for(;s instanceof Text&&!s.length&&r&&r instanceof Text;)s.remove(),s=r;s instanceof Text&&(t=s,e=s.data.length)}break}t=s,e=0}if(o)for(;!(n instanceof Text);){let s=n.childN
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`),s=this._config,r=s.blockTag,l=s.blockAttributes,a="</"+r+">",d="<"+r;for(let c in l)d+=" "+c+'="'+Oe(l[c])+'"';d+=">";for(let c=0,f=o.length;c<f;c+=1){let u=o[c];u=Oe(u).replace(/ (?=(?: |$))/g,"&nbsp;"),c&&(u=d+(u||"<BR>")+a),o[c]=u}return this.insertHTML(o.join(""),e)}getSelectedText(){let t=this.getSelection();if(t.collapsed)return"";let e=t.startContainer,n=t.endContainer,o=new _(t.commonAncestorContainer,5,d=>K(t,d,!0));o.currentNode=e;let s=e,r="",l=!1,a;for((!(s instanceof Element)&&!(s instanceof Text)||!o.filter(s))&&(s=o.nextNode());s;)s instanceof Text?(a=s.data,a&&/\S/.test(a)&&(s===n&&(a=a.slice(0,t.endOffset)),s===e&&(a=a.slice(t.startOffset)),r+=a,l=!0)):(s.nodeName==="BR"||l&&!N(s))&&(r+=`
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`||Q(e,n))&&(r.data.charAt(u)===`
`||ie(e,n))?(r.deleteData(u&&u-1,u?2:1),l=D(r,u&&u-1,n,n),r=l.previousSibling,r.textContent||E(r),r=this.createDefaultBlock(),l.parentNode.insertBefore(r,l),l.textContent||E(l),e.setStart(r,0)):(r.insertData(u,`
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`),b(s),r.length===u+1?e.setStartAfter(r):e.setStart(r,u+1)),e.collapse(!0),this.setSelection(e),this._updatePath(e,!0),this._docWasChanged(),this}if(!o||t||/^T[HD]$/.test(o.nodeName))return Re(e,"A",n),Z(e,m("BR")),e.collapse(!1),this.setSelection(e),this._updatePath(e,!0),this;if((s=g(o,n,"LI"))&&(o=s),ae(o)){if(g(o,n,"UL")||g(o,n,"OL"))return this.decreaseListLevel(e),this;if(g(o,n,"BLOCKQUOTE"))return this.removeQuote(e),this}r=e.startContainer;let a=e.startOffset,d=this.tagAfterSplit[o.nodeName];l=D(r,a,o.parentNode,this._root);let c=this._config,f=null;for(d||(d=c.blockTag,f=c.blockAttributes),ue(l,d,f)||(o=m(d,f),l.dir&&(o.dir=l.dir),L(l,o),o.appendChild(S(l)),l=o),me(o),ge(o),b(o);l instanceof Element;){let u=l.firstChild,p;if(l.nodeName==="A"&&(!l.textContent||l.textContent===W)){u=document.createTextNode(""),L(l,u),l=u;break}for(;u&&u instanceof Text&&!u.data&&(p=u.nextSibling,!(!p||p.nodeName==="BR"));)E(u),u=p;if(!u||u.nodeName==="BR"||u instanceof Text)break;l=u}return e=X(l,0),this.setSelection(e),this._updatePath(e,!0),this}forEachBlock(t,e,n){n||(n=this.getSelection()),e&&this.saveUndoState(n);let o=this._root,s=R(n,o),r=G(n,o);if(s&&r)do if(t(s)||s===r)break;while(s=U(s,o));return e&&(this.setSelection(n),this._updatePath(n,!0)),this}modifyBlocks(t,e){e||(e=this.getSelection()),this._recordUndoState(e,this._isInUndoState);let n=this._root;ke(e,n),P(e,n,n,n);let o=ye(e,n,n);if(!e.collapsed){let s=e.endContainer;if(s===n)e.collapse(!1);else{for(;s.parentNode!==n;)s=s.parentNode;e.setStartBefore(s),e.collapse(!0)}}return Z(e,t.call(this,o)),e.endOffset<e.endContainer.childNodes.length&&M(e.endContainer.childNodes[e.endOffset],n),M(e.startContainer.childNodes[e.startOffset],n),this._getRangeAndRemoveBookmark(e),this.setSelection(e),this._updatePath(e,!0),this}setTextAlignment(t){return this.forEachBlock(e=>{let n=e.className.split(/\s+/).filter(o=>!!o&&!/^align/.test(o)).join(" ");t?(e.className=n+" align-"+t,e.style.textAlign=t):(e.className=n,e.style.textAlign="")},!0),this.focus()}setTextDirection(t){return this.forEachBlock(e=>{t?e.dir=t:e.removeAttribute("dir")},!0),this.focus()}_getListSelection(t,e){let n=t.commonAncestorContainer,o=t.startContainer,s=t.endContainer;for(;n&&n!==e&&!/^[OU]L$/.test(n.nodeName);)n=n.parentNode;if(!n||n===e)return null;for(o===n&&(o=o.childNodes[t.startOffset]),s===n&&(s=s.childNodes[t.endOffset]);o&&o.parentNode!==n;)o=o.parentNode;for(;s&&s.parentNode!==n;)s=s.parentNode;return[n,o,s]}increaseListLevel(t){t||(t=this.getSelection());let e=this._root,n=this._getListSelection(t,e);if(!n)return this.focus();let[o,s,r]=n;if(!s||s===o.firstChild)return this.focus();this._recordUndoState(t,this._isInUndoState);let l=o.nodeName,a=s.previousSibling,d,c;a.nodeName!==l&&(d=this._config.tagAttributes[l.toLowerCase()],a=m(l,d),o.insertBefore(a,s));do c=s===r?null:s.nextSibling,a.appendChild(s);while(s=c);return c=a.nextSibling,c&&M(c,e),this._getRangeAndRemoveBookmark(t),this.setSelection(t),this._updatePath(t,!0),this.focus()}decreaseListLevel(t){t||(t=this.getSelection());let e=this._root,n=this._getListSelection(t,e);if(!n)return this.focus();let[o,s,r]=n;s||(s=o.firstChild),r||(r=o.lastChild),this._recordUndoState(t,this._isInUndoState);let l,a=null;if(s){let d=o.parentNode;if(a=r.nextSibling?D(o,r.nextSibling,d,e):o.nextSibling,d!==e&&d.nodeName==="LI"){for(d=d.parentNode;a;)l=a.nextSibling,r.appendChild(a),a=l;a=o.parentNode.nextSibling}let c=!/^[OU]L$/.test(d.nodeName);do l=s===r?null:s.nextSibling,o.removeChild(s),c&&s.nodeName==="LI"&&(s=this.createDefaultBlock([S(s)])),d.insertBefore(s,a);while(s=l)}return o.firstChild||E(o),a&&M(a,e),this._getRangeAndRemoveBookmark(t),this.setSelection(t),this._updatePath(t,!0),this.focus()}_makeList(t,e){let n=le(t,this._root),o=this._config.tagAttributes,s=o[e.toLowerCase()],r=o.li,l;for(;l=n.nextNode();)if(l.parentNode instanceof HTMLLIElement&&(l=l.parentNode,n.currentNode=l.lastChild),l instanceof HTMLLIElement){l=l.parentNode;let a=l.nodeName;a!==e&&/^[OU]L$/.test(a)&&L(l,m(e,s,[S(l)]))}else{let a=m("LI",r);l.dir&&(a.dir=l.dir);let
`)):E(f)}for(a=r.querySelectorAll("CODE"),c=a.length;c--;)L(a[c],S(a[c]));o.childNodes.length&&o.appendChild(document.createTextNode(`
`)),o.appendChild(S(r))}let l=new _(o,4);for(;r=l.nextNode();)r.data=r.data.replace(/ /g," ");return o.normalize(),b(m("PRE",this._config.tagAttributes.pre,[o]))},t),this.focus()):this.changeFormat({tag:"CODE",attributes:this._config.tagAttributes.code},null,t),this}removeCode(){let t=this.getSelection(),e=t.commonAncestorContainer;return g(e,this._root,"PRE")?(this.modifyBlocks(o=>{let s=this._root,r=o.querySelectorAll("PRE"),l=r.length;for(;l--;){let a=r[l],d=new _(a,4),c;for(;c=d.nextNode();){let f=c.data;f=f.replace(/ (?= )/g,"\xA0");let u=document.createDocumentFragment(),p;for(;(p=f.indexOf(`
`))>-1;)u.appendChild(document.createTextNode(f.slice(0,p))),u.appendChild(m("BR")),f=f.slice(p+1);c.parentNode.insertBefore(u,c),c.data=f}B(a,s),L(a,S(a))}return o},t),this.focus()):this.changeFormat(null,{tag:"CODE"},t),this}toggleCode(){return this.hasFormat("PRE")||this.hasFormat("CODE")?this.removeCode():this.code(),this}_removeFormatting(t,e){for(let n=t.firstChild,o;n;n=o){if(o=n.nextSibling,N(n)){if(n instanceof Text||n.nodeName==="BR"||n.nodeName==="IMG"){e.appendChild(n);continue}}else if(H(n)){e.appendChild(this.createDefaultBlock([this._removeFormatting(n,document.createDocumentFragment())]));continue}this._removeFormatting(n,e)}return e}removeAllFormatting(t){if(t||(t=this.getSelection()),t.collapsed)return this;let e=this._root,n=t.commonAncestorContainer;for(;n&&!H(n);)n=n.parentNode;if(n||(ke(t,e),n=e),n instanceof Text)return this;this.saveUndoState(t),P(t,n,n,e);let o=t.startContainer,s=t.startOffset,r=t.endContainer,l=t.endOffset,a=document.createDocumentFragment(),d=document.createDocumentFragment(),c=D(r,l,n,e),f=D(o,s,n,e),u;for(;f!==c;)u=f.nextSibling,a.appendChild(f),f=u;if(this._removeFormatting(a,d),d.normalize(),f=d.firstChild,u=d.lastChild,f){n.insertBefore(d,c);let p=Array.from(n.childNodes);s=p.indexOf(f),l=u?p.indexOf(u)+1:0}else c&&(s=Array.from(n.childNodes).indexOf(c),l=s);return t.setStart(n,s),t.setEnd(n,l),J(n,t),C(t),this.setSelection(t),this._updatePath(t,!0),this.focus()}};window.Squire=Te;})();
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