mirror of
https://github.com/fastmail/Squire.git
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13 lines
50 KiB
JavaScript
13 lines
50 KiB
JavaScript
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"use strict";(()=>{var ot=()=>!0,C=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),k=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},O=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},y=(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 C(e,5,ft);return n.currentNode=i,!!n.nextNode()||t&&!n.previousNode()},me=(i,t)=>{let e=new C(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)||O(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}},v=i=>{let{startContainer:t,startOffset:e,endContainer:n,endOffset:o}=i;for(;!(t instanceof Text);){let s=t.childNodes[e];if(!s||I(s)){e&&(s=t.childNodes[e-1],s instanceof Text&&(t=s,e=s.data.length));break}t=s,e=0}if(o)for(;!(n instanceof Text);){let s=n.childNodes[o-1];if(!s||I(s)){if(s&&s.nodeName==="BR"&&!Y(s,!1)){o-=1;continue}break}n=s,o=O(n)}else for
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`)),!s&&d&&c!==d&&r.setData("text/html",d),r.setData("text/plain",c),i.preventDefault()},je=(i,t,e,n,o,s,r)=>{if(!se&&i.clipboardData){let l=L(t,e),a=G(t,e),d=e;l===a&&(l!=null&&l.contains(t.commonAncestorContainer))&&(d=l);let c;n?c=F(t,e):(t=t.cloneRange(),v(t),P(t,d,d,e),c=t.cloneContents());let f=t.commonAncestorContainer;for(f instanceof Text&&(f=f.parentNode);f&&f!==d;){let u=f.cloneNode(!1);u.appendChild(c),c=u,f=f.parentNode}return _t(i,c,e,o,s,r),!0}return!1},Qe=function(i){let t=this.getSelection(),e=this._root;if(t.collapsed){i.preventDefault();return}this.saveUndoState(t),je(i,t,e,!0,this._config.willCutCopy,null,!1)||setTimeout(()=>{try{this._ensureBottomLine()}catch(o){this._config.didError(o)}},0),this.setSelection(t)},Xe=function(i){je(i,this.getSelection(),this._root,!1,this._config.willCutCopy,null,!1)},Ae=function(i){this._isShiftDown=i.shiftKey},$e=function(i){let t=i.clipboardData,e=t==null?void 0:t.items,n=this._isShiftDown,o=!1,s=!1,r=null,l=null;if(e){let b=e.length;for(;b--;){let R=e[b],A=R.type;A==="text/html"?l=R:A==="text/plain"||A==="text/uri-list"?r=R:A==="text/rtf"?o=!0:/^image\/.*/.test(A)&&(s=!0)}if(s&&!(o&&l)){i.preventDefault(),this.fireEvent("pasteImage",{clipboardData:t});return}if(!se){i.preventDefault(),l&&(!n||!r)?l.getAsString(R=>{this.insertHTML(R,!0)}):r&&r.getAsString(R=>{let A=!1,we=this.getSelection();if(!we.collapsed&&w.test(we.toString())){let Ie=this.linkRegExp.exec(R);A=!!Ie&&Ie[0].length===R.length}A?this.makeLink(R):this.insertPlainText(R,!0)});return}}let a=t==null?void 0:t.types;if(!se&&a&&(Be.call(a,"text/html")>-1||!Fe&&Be.call(a,"text/plain")>-1&&Be.call(a,"text/rtf")<0)){i.preventDefault();let b;!n&&(b=t.getData("text/html"))?this.insertHTML(b,!0):((b=t.getData("text/plain"))||(b=t.getData("text/uri-list")))&&this.insertPlainText(b,!0);return}let d=document.body,c=this.getSelection(),f=c.startContainer,u=c.startOffset,p=c.endContainer,h=c.endOffset,T=m("DIV",{contenteditable:"true",style:"position:fixed; overflow:hidden; top:0; right:100%; width:1px; height:1px;"});d.appendChild(T),c.selectNodeContents(T),this.setSelection(c),setTimeout(()=>{try{let b="",R=T,A;for(;T=R;)R=T.nextSibling,E(T),A=T.firstChild,A&&A===T.lastChild&&A instanceof HTMLDivElement&&(T=A),b+=T.innerHTML;this.setSelection(X(f,u,p,h)),b&&this.insertHTML(b,!0)}catch(b){this._config.didError(b)}},0)},Ve=function(i){if(!i.dataTransfer)return;let t=i.dataTransfer.types,e=t.length,n=!1,o=!1;for(;e--;)switch(t[e]){case"text/plain":n=!0;break;case"text/html":o=!0;break;default:return}(o||n&&this.saveUndoState)&&this.saveUndoState()};var De=(i,t,e)=>{t.preventDefault(),i.splitBlock(t.shiftKey,e)};var te=(i,t)=>{try{t||(t=i.getSelection());let e=t.startContainer;e instanceof Text&&(e=e.parentNode);let n=e;for(;N(n)&&(!n.textContent||n.textContent===W);)e=n,n=e.parentNode;e!==n&&(t.setStart(n,Array.from(n.childNodes).indexOf(e)),t.collapse(!0),n.removeChild(e),H(n)||(n=z(n,i._root)||i._root),_(n),v(t)),e===i._root&&(e=e.firstChild)&&e.nodeName==="BR"&&E(e),i._ensureBottomLine(),i.setSelection(t),i._updatePath(t,!0)}catch(e){i._config.didError(e)}},Se=(i,t)=>{let e;for(;(e=i.parentNode)&&!(e===t||e.isContentEditable);)i=e;E(i)},Ee=(i,t,e)=>{if(g(t,i._root,"A"))return;let n=t.data||"",o=Math.max(n.lastIndexOf(" ",e-1),n.lastIndexOf("\xA0",e-1))+1,s=n.slice(o,e),r=i.linkRegExp.exec(s);if(r){let l=i.getSelection();i._docWasChanged(),i._recordUndoState(l),i._getRangeAndRemoveBookmark(l);let a=o+r.index,d=a+r[0].length;a&&(t=t.splitText(a));let c=i._config.tagAttributes.a,f=m("A",Object.assign({href:r[1]?/^(?:ht|f)tps?:/i.test(r[1])?r[1]:"http://"+r[1]:"mailto:"+r[0]},c));f.textContent=n.slice(a,d),t.parentNode.insertBefore(f,t);let u=l.startOffset;if(t.data=n.slice(d),l.startContainer===t){let p=u-d;l.setStart(t,p),l.setEnd(t,p)}i.setSelection(l)}};var Ye=(i,t,e)=>{let n=i._root;if(i._removeZWS(),i.saveUndoState(e),!e.collapsed)t.preventDefault(),F(e,n),te(i,e);else if(Q(e,n)){t.preventDefault();let o=L(e,n);if(!o)return;let s=o;B(s.parentNode,n);let r=z(s,n);if(r){if(!r.isContentEditable){Se(r,n);return}for(
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`)&&t.preventDefault();break;case"insertLineBreak":t.preventDefault(),this.splitBlock(!0);break;case"insertParagraph":t.preventDefault(),this.splitBlock(!1);break;case"insertOrderedList":t.preventDefault(),this.makeOrderedList();break;case"insertUnoderedList":t.preventDefault(),this.makeUnorderedList();break;case"historyUndo":t.preventDefault(),this.undo();break;case"historyRedo":t.preventDefault(),this.redo();break;case"formatBold":t.preventDefault(),this.bold();break;case"formaItalic":t.preventDefault(),this.italic();break;case"formatUnderline":t.preventDefault(),this.underline();break;case"formatStrikeThrough":t.preventDefault(),this.strikethrough();break;case"formatSuperscript":t.preventDefault(),this.superscript();break;case"formatSubscript":t.preventDefault(),this.subscript();break;case"formatJustifyFull":case"formatJustifyCenter":case"formatJustifyRight":case"formatJustifyLeft":{t.preventDefault();let e=t.inputType.slice(13).toLowerCase();e==="full"&&(e="justify"),this.setTextAlignment(e);break}case"formatRemove":t.preventDefault(),this.removeAllFormatting();break;case"formatSetBlockTextDirection":{t.preventDefault();let e=t.data;e==="null"&&(e=null),this.setTextDirection(e);break}case"formatBackColor":t.preventDefault(),this.setHighlightColor(t.data);break;case"formatFontColor":t.preventDefault(),this.setTextColor(t.data);break;case"formatFontName":t.preventDefault(),this.setFontFace(t.data);break}}handleEvent(t){this.fireEvent(t.type,t)}fireEvent(t,e){let n=this._events.get(t);if(/^(?:focus|blur)/.test(t)){let o=this._root===document.activeElement;if(t==="focus"){if(!o||this._isFocused)return this;this._isFocused=!0}else{if(o||!this._isFocused)return this;this._isFocused=!1}}if(n){let o=e instanceof Event?e:new CustomEvent(t,{detail:e});n=n.slice();for(let s of n)try{"handleEvent"in s?s.handleEvent(o):s.call(this,o)}catch(r){this._config.didError(r)}}return this}addEventListener(t,e){let n=this._events.get(t),o=this._root;return n||(n=[],this._events.set(t,n),this.customEvents.has(t)||(t==="selectionchange"&&(o=document),o.addEventListener(t,this,!0))),n.push(e),this}removeEventListener(t,e){let n=this._events.get(t),o=this._root;if(n){if(e){let s=n.length;for(;s--;)n[s]===e&&n.splice(s,1)}else n.length=0;n.length||(this._events.delete(t),this.customEvents.has(t)||(t==="selectionchange"&&(o=document),o.removeEventListener(t,this,!0)))}return this}focus(){return this._root.focus({preventScroll:!0}),this}blur(){return this._root.blur(),this}_enableRestoreSelection(){this._willRestoreSelection=!0}_disableRestoreSelection(){this._willRestoreSelection=!1}_restoreSelection(){this._willRestoreSelection&&this.setSelection(this._lastSelection)}_removeZWS(){this._mayHaveZWS&&(me(this._root),this._mayHaveZWS=!1)}_saveRangeToBookmark(t){let e=m("INPUT",{id:this.startSelectionId,type:"hidden"}),n=m("INPUT",{id:this.endSelectionId,type:"hidden"}),o;Z(t,e),t.collapse(!1),Z(t,n),e.compareDocumentPosition(n)&Node.DOCUMENT_POSITION_PRECEDING&&(e.id=this.endSelectionId,n.id=this.startSelectionId,o=e,e=n,n=o),t.setStartAfter(e),t.setEndBefore(n)}_getRangeAndRemoveBookmark(t){let e=this._root,n=e.querySelector("#"+this.startSelectionId),o=e.querySelector("#"+this.endSelectionId);if(n&&o){let s=n.parentNode,r=o.parentNode,l=Array.from(s.childNodes).indexOf(n),a=Array.from(r.childNodes).indexOf(o);s===r&&(a-=1),n.remove(),o.remove(),t||(t=document.createRange()),t.setStart(s,l),t.setEnd(r,a),J(s,t),s!==r&&J(r,t),t.collapsed&&(s=t.startContainer,s instanceof Text&&(r=s.childNodes[t.startOffset],(!r||!(r instanceof Text))&&(r=s.childNodes[t.startOffset-1]),r&&r instanceof Text&&(t.setStart(r,0),t.collapse(!0))))}return t||null}getSelection(){let t=window.getSelection(),e=this._root,n=null;if(this._isFocused&&t&&t.rangeCount){n=t.getRangeAt(0).cloneRange();let o=n.startContainer,s=n.endContainer;o&&I(o)&&n.setStartBefore(o),s&&I(s)&&n.setEndBefore(s)}return n&&e.contains(n.commonAncestorContainer)?this._lastSelection=n:(n=this._lastSelection,document.contains(n.commonAncestorContainer)||(n=null)),n||(n=X(e.firstElementChild||e,0)),n}set
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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," "),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 C(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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`,l=!1),s=o.nextNode();return r}getFontInfo(t){let e={color:void 0,backgroundColor:void 0,fontFamily:void 0,fontSize:void 0};t||(t=this.getSelection());let n=0,o=t.commonAncestorContainer;if(t.collapsed||o instanceof Text)for(o instanceof Text&&(o=o.parentNode);n<4&&o;){let s=o.style;if(s){let r=s.color;!e.color&&r&&(e.color=r,n+=1);let l=s.backgroundColor;!e.backgroundColor&&l&&(e.backgroundColor=l,n+=1);let a=s.fontFamily;!e.fontFamily&&a&&(e.fontFamily=a,n+=1);let d=s.fontSize;!e.fontSize&&d&&(e.fontSize=d,n+=1)}o=o.parentNode}return e}hasFormat(t,e,n){t=t.toUpperCase(),e||(e={}),n||(n=this.getSelection()),!n.collapsed&&n.startContainer instanceof Text&&n.startOffset===n.startContainer.length&&n.startContainer.nextSibling&&n.setStartBefore(n.startContainer.nextSibling),!n.collapsed&&n.endContainer instanceof Text&&n.endOffset===0&&n.endContainer.previousSibling&&n.setEndAfter(n.endContainer.previousSibling);let o=this._root,s=n.commonAncestorContainer;if(g(s,o,t,e))return!0;if(s instanceof Text)return!1;let r=new C(s,4,d=>K(n,d,!0)),l=!1,a;for(;a=r.nextNode();){if(!g(a,o,t,e))return!1;l=!0}return l}changeFormat(t,e,n,o){return n||(n=this.getSelection()),this.saveUndoState(n),e&&(n=this._removeFormat(e.tag.toUpperCase(),e.attributes||{},n,o)),t&&(n=this._addFormat(t.tag.toUpperCase(),t.attributes||{},n)),this.setSelection(n),this._updatePath(n,!0),this.focus()}_addFormat(t,e,n){let o=this._root;if(n.collapsed){let s=_(m(t,e));Z(n,s);let r=s.firstChild||s,l=r instanceof Text?r.length:0;n.setStart(r,l),n.collapse(!0);let a=s;for(;N(a);)a=a.parentNode;me(a,s)}else{let s=new C(n.commonAncestorContainer,5,c=>(c instanceof Text||c.nodeName==="BR"||c.nodeName==="IMG")&&K(n,c,!0)),{startContainer:r,startOffset:l,endContainer:a,endOffset:d}=n;if(s.currentNode=r,!(r instanceof Element)&&!(r instanceof Text)||!s.filter(r)){let c=s.nextNode();if(!c)return n;r=c,l=0}do{let c=s.currentNode;if(!g(c,o,t,e)){c===a&&c.length>d&&c.splitText(d),c===r&&l&&(c=c.splitText(l),a===r?(a=c,d-=l):a===r.parentNode&&(d+=1),r=c,l=0);let u=m(t,e);y(c,u),u.appendChild(c)}}while(s.nextNode());n=X(r,l,a,d)}return n}_removeFormat(t,e,n,o){this._saveRangeToBookmark(n);let s;n.collapsed&&(re?s=document.createTextNode(W):s=document.createTextNode(""),Z(n,s));let r=n.commonAncestorContainer;for(;N(r);)r=r.parentNode;let l=n.startContainer,a=n.startOffset,d=n.endContainer,c=n.endOffset,f=[],u=(h,T)=>{if(K(n,h,!1))return;let b,R;if(!K(n,h,!0)){!(h instanceof HTMLInputElement)&&(!(h instanceof Text)||h.data)&&f.push([T,h]);return}if(h instanceof Text)h===d&&c!==h.length&&f.push([T,h.splitText(c)]),h===l&&a&&(h.splitText(a),f.push([T,h]));else for(b=h.firstChild;b;b=R)R=b.nextSibling,u(b,T)},p=Array.from(r.getElementsByTagName(t)).filter(h=>K(n,h,!0)&&ue(h,t,e));return o||p.forEach(h=>{u(h,h)}),f.forEach(([h,T])=>{h=h.cloneNode(!1),y(T,h),h.appendChild(T)}),p.forEach(h=>{y(h,S(h))}),this._getRangeAndRemoveBookmark(n),s&&n.collapse(!1),J(r,n),n}bold(){return this.changeFormat({tag:"B"})}removeBold(){return this.changeFormat(null,{tag:"B"})}italic(){return this.changeFormat({tag:"I"})}removeItalic(){return this.changeFormat(null,{tag:"I"})}underline(){return this.changeFormat({tag:"U"})}removeUnderline(){return this.changeFormat(null,{tag:"U"})}strikethrough(){return this.changeFormat({tag:"S"})}removeStrikethrough(){return this.changeFormat(null,{tag:"S"})}subscript(){return this.changeFormat({tag:"SUB"},{tag:"SUP"})}removeSubscript(){return this.changeFormat(null,{tag:"SUB"})}superscript(){return this.changeFormat({tag:"SUP"},{tag:"SUB"})}removeSuperscript(){return this.changeFormat(null,{tag:"SUP"})}makeLink(t,e){let n=this.getSelection();if(n.collapsed){let o=t.indexOf(":")+1;if(o)for(;t[o]==="/";)o+=1;Z(n,document.createTextNode(t.slice(o)))}return e=Object.assign({href:t},this._config.tagAttributes.a,e),this.changeFormat({tag:"A",attributes:e},{tag:"A"},n)}removeLink(){return this.changeFormat(null,{tag:"A"},this.getSelection(),!0)}addDetectedLinks(t,e){let n=new C(t,4,l=>!g(l,e||this._root,"A")),o=this.linkRegExp,s=this._config.tagAttributes.a,r;for(;r=n.n
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`||Q(e,n))&&(r.data.charAt(u)===`
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`||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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`),_(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),y(l,o),o.appendChild(S(l)),l=o),me(o),ge(o),_(o);l instanceof Element;){let u=l.firstChild,p;if(l.nodeName==="A"&&(!l.textContent||l.textContent===W)){u=document.createTextNode(""),y(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=L(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)&&y(l,m(e,s,[S(l)]))}else{let a=m("LI",r);l.dir&&(a.dir=l.dir);let
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`)):E(f)}for(a=r.querySelectorAll("CODE"),c=a.length;c--;)y(a[c],S(a[c]));o.childNodes.length&&o.appendChild(document.createTextNode(`
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`)),o.appendChild(S(r))}let l=new C(o,4);for(;r=l.nextNode();)r.data=r.data.replace(/ /g," ");return o.normalize(),_(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 C(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(`
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`))>-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),y(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),v(t),this.setSelection(t),this._updatePath(t,!0),this.focus()}};window.Squire=Te;})();
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