2023-10-01 21:46:50 -05:00
var st = ( ) => ! 0 , E = class { constructor ( n , e , t ) { this . root = n , this . currentNode = n , this . nodeType = e , this . filter = t || st } isAcceptableNode ( n ) { let e = n . nodeType ; return ! ! ( ( e === Node . ELEMENT _NODE ? 1 : e === Node . TEXT _NODE ? 4 : 0 ) & this . nodeType ) && this . filter ( n ) } nextNode ( ) { let n = this . root , e = this . currentNode , t ; for ( ; ; ) { for ( t = e . firstChild ; ! t && e && e !== n ; ) t = e . nextSibling , t || ( e = e . parentNode ) ; if ( ! t ) return null ; if ( this . isAcceptableNode ( t ) ) return this . currentNode = t , t ; e = t } } previousNode ( ) { let n = this . root , e = this . currentNode , t ; for ( ; ; ) { if ( e === n ) return null ; if ( t = e . previousSibling , t ) for ( ; e = t . lastChild ; ) t = e ; else t = e . parentNode ; if ( ! t ) return null ; if ( this . isAcceptableNode ( t ) ) return this . currentNode = t , t ; e = t } } previousPONode ( ) { let n = this . root , e = this . currentNode , t ; for ( ; ; ) { for ( t = e . lastChild ; ! t && e && e !== n ; ) t = e . previousSibling , t || ( e = e . parentNode ) ; if ( ! t ) return null ; if ( this . isAcceptableNode ( t ) ) return this . currentNode = t , t ; e = t } } } ; var k = "\u200B" , J = navigator . userAgent , ce = /Mac OS X/ . test ( J ) , de = /Windows NT/ . test ( J ) , _e = /iP(?:ad|hone|od)/ . test ( J ) || ce && ! ! navigator . maxTouchPoints , Fe = /Android/ . test ( J ) , He = /Gecko\// . test ( J ) , se = /Edge\// . test ( J ) , rt = ! se && /WebKit\// . test ( J ) , B = ce || _e ? "Meta-" : "Ctrl-" , ee = rt , Pe = "onbeforeinput" in document && "inputType" in new InputEvent ( "input" ) , I = /[^ \t\r\n]/ ; var ct = /^(?:#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)$/ , dt = new Set ( [ "BR" , "HR" , "IFRAME" , "IMG" , "INPUT" ] ) , ft = 0 , xe = 1 , Ue = 2 , qe = 3 , fe = new WeakMap , We = ( ) => { fe = new WeakMap } , M = o => dt . has ( o . nodeName ) , ve = o => { switch ( o . nodeType ) { case 3 : return xe ; case 1 : case 11 : if ( fe . has ( o ) ) return fe . get ( o ) ; break ; default : return ft } let n ; return Array . from ( o . childNodes ) . every ( N ) ? ct . test ( o . nodeName ) ? n = xe : n = Ue : n = qe , fe . set ( o , n ) , n } , N = o => ve ( o ) === xe , P = o => ve ( o ) === Ue , Q = o => ve ( o ) === qe ; var p = ( o , n , e ) => { let t = document . createElement ( o ) ; if ( n instanceof Array && ( e = n , n = null ) , n ) for ( let i in n ) { let s = n [ i ] ; s !== void 0 && t . setAttribute ( i , s ) } return e && e . forEach ( i => t . appendChild ( i ) ) , t } , Le = ( o , n ) => M ( o ) || o . nodeType !== n . nodeType || o . nodeName !== n . nodeName ? ! 1 : o instanceof HTMLElement && n instanceof HTMLElement ? o . nodeName !== "A" && o . className === n . className && o . style . cssText === n . style . cssText : ! 0 , ue = ( o , n , e ) => { if ( o . nodeName !== n ) return ! 1 ; for ( let t in e ) if ( ! ( "getAttribute" in o ) || o . getAttribute ( t ) !== e [ t ] ) return ! 1 ; return ! 0 } , S = ( o , n , e , t ) => { for ( ; o && o !== n ; ) { if ( ue ( o , e , t ) ) return o ; o = o . parentNode } return null } , he = ( o , n ) => { let e = o . childNodes ; for ( ; n && o instanceof Element ; ) o = e [ n - 1 ] , e = o . childNodes , n = e . length ; return o } , Re = ( o , n ) => { let e = o ; if ( e instanceof Element ) { let t = e . childNodes ; if ( n < t . length ) e = t [ n ] ; else { for ( ; e && ! e . nextSibling ; ) e = e . parentNode ; e && ( e = e . nextSibling ) } } return e } , y = o => o instanceof Element || o instanceof DocumentFragment ? o . childNodes . length : o instanceof CharacterData ? o . length : 0 , T = o => { let n = document . createDocumentFragment ( ) , e = o . firstChild ; for ( ; e ; ) n . appendChild ( e ) , e = o . firstChild ; return n } , C = o => { let n = o . parentNode ; return n && n . removeChild ( o ) , o } , R = ( o , n ) => { let e = o . parentNode ; e && e . replaceChild ( n , o ) } ; var ut = o => o instanceof Element ? o . nodeName === "BR" : I . test ( o . data ) , te = ( o , n ) => { let e = o . parentNode ; for ( ; N ( e ) ; ) e = e . parentNode ; let t = new E ( e , 5 , ut ) ; return t . currentNode = o , ! ! t . nextNode ( ) || n && ! t . previousNode ( ) } , me = ( o , n ) => { let e = new E ( o , 4 ) , t , i ; for ( ; t = e . nextNode ( ) ; ) for ( ; ( i = t . data . indexOf ( k ) ) > - 1 && ( ! n || t . parentNode !== n ) ; ) if ( t . length === 1 ) { let s = t , r = s . parentNode ; for ( ; r && ( r . removeChild ( s ) , e . currentNode = r , ! ( ! N ( r ) || y ( r ) ) ) ; ) s = r , r = s . parentNode ; break } else t . deleteData ( i , 1 ) } ; var ht = 0 , mt = 1 , pt = 2 , Nt = 3 , K = ( o , n , e ) => { let t = document . createRange ( ) ; if ( t . selectNode ( n ) , e ) { let i = o . compareBoundaryPoints ( Nt , t ) > - 1 , s = o . compareBoundaryPoints ( mt , t ) < 1 ; return ! i && ! s } else { let i = o . compareBoundaryPoints ( ht , t ) < 1 , s = o . compareBoundaryPoints ( pt , t ) > - 1 ; return i && s } } , _ = o => { let { startContainer : n , startOffset : e , endContainer : t , endOffset : i } = o ; for ( ; ! ( n instanceof Text ) ; ) { let s = n . childNodes [ e ] ; if ( ! s || M ( s ) ) { if ( e && ( s = n . childNodes [ e - 1 ] , s instanceof Text ) ) { let r = s , l ; for ( ; ! r . length && ( l = r . previousSibling ) && l instanceof Text ; ) r . remove ( ) , r = l ; n = r , e = r . data . length } break } n = s , e = 0 } if ( i ) for ( ; ! ( t instanceof Text ) ; ) { let s = t . childNodes [ i - 1 ] ; if ( ! s || M ( s ) ) { if ( s && s .
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` ),s=this._config,r=s.blockTag,l=s.blockAttributes,a="</"+r+">",d="<"+r;for(let c in l)d+=" "+c+'="'+ke(l[c])+'"';d+=">";for(let c=0,f=i.length;c<f;c+=1){let u=i[c];u=ke(u).replace(/ (?=(?: | $ ))/g," "),c&&(u=d+(u||"<BR>")+a),i[c]=u}return this.insertHTML(i.join(""),e)}getSelectedText(n){return ge(n||this.getSelection())}getFontInfo(n){let e={color:void 0,backgroundColor:void 0,fontFamily:void 0,fontSize:void 0};n||(n=this.getSelection());let t=0,i=n.commonAncestorContainer;if(n.collapsed||i instanceof Text)for(i instanceof Text&&(i=i.parentNode);t<4&&i;){let s=i.style;if(s){let r=s.color;!e.color&&r&&(e.color=r,t+=1);let l=s.backgroundColor;!e.backgroundColor&&l&&(e.backgroundColor=l,t+=1);let a=s.fontFamily;!e.fontFamily&&a&&(e.fontFamily=a,t+=1);let d=s.fontSize;!e.fontSize&&d&&(e.fontSize=d,t+=1)}i=i.parentNode}return e}hasFormat(n,e,t){n=n.toUpperCase(),e||(e={}),t||(t=this.getSelection()),!t.collapsed&&t.startContainer instanceof Text&&t.startOffset===t.startContainer.length&&t.startContainer.nextSibling&&t.setStartBefore(t.startContainer.nextSibling),!t.collapsed&&t.endContainer instanceof Text&&t.endOffset===0&&t.endContainer.previousSibling&&t.setEndAfter(t.endContainer.previousSibling);let i=this._root,s=t.commonAncestorContainer;if(S(s,i,n,e))return!0;if(s instanceof Text)return!1;let r=new E(s,4,d=>K(t,d,!0)),l=!1,a;for(;a=r.nextNode();){if(!S(a,i,n,e))return!1;l=!0}return l}changeFormat(n,e,t,i){return t||(t=this.getSelection()),this.saveUndoState(t),e&&(t=this._removeFormat(e.tag.toUpperCase(),e.attributes||{},t,i)),n&&(t=this._addFormat(n.tag.toUpperCase(),n.attributes||{},t)),this.setSelection(t),this._updatePath(t,!0),this.focus()}_addFormat(n,e,t){let i=this._root;if(t.collapsed){let s=x(p(n,e));j(t,s);let r=s.firstChild||s,l=r instanceof Text?r.length:0;t.setStart(r,l),t.collapse(!0);let a=s;for(;N(a);)a=a.parentNode;me(a,s)}else{let s=new E(t.commonAncestorContainer,5,c=>(c instanceof Text||c.nodeName==="BR"||c.nodeName==="IMG")&&K(t,c,!0)),{startContainer:r,startOffset:l,endContainer:a,endOffset:d}=t;if(s.currentNode=r,!(r instanceof Element)&&!(r instanceof Text)||!s.filter(r)){let c=s.nextNode();if(!c)return t;r=c,l=0}do{let c=s.currentNode;if(!S(c,i,n,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=p(n,e);R(c,u),u.appendChild(c)}}while(s.nextNode());t= $ (r,l,a,d)}return t}_removeFormat(n,e,t,i){this._saveRangeToBookmark(t);let s;t.collapsed&&(ee?s=document.createTextNode(k):s=document.createTextNode(""),j(t,s));let r=t.commonAncestorContainer;for(;N(r);)r=r.parentNode;let l=t.startContainer,a=t.startOffset,d=t.endContainer,c=t.endOffset,f=[],u=(h,g)=>{if(K(t,h,!1))return;let b,O;if(!K(t,h,!0)){!(h instanceof HTMLInputElement)&&(!(h instanceof Text)||h.data)&&f.push([g,h]);return}if(h instanceof Text)h===d&&c!==h.length&&f.push([g,h.splitText(c)]),h===l&&a&&(h.splitText(a),f.push([g,h]));else for(b=h.firstChild;b;b=O)O=b.nextSibling,u(b,g)},m=Array.from(r.getElementsByTagName(n)).filter(h=>K(t,h,!0)&&ue(h,n,e));return i||m.forEach(h=>{u(h,h)}),f.forEach(([h,g])=>{h=h.cloneNode(!1),R(g,h),h.appendChild(g)}),m.forEach(h=>{R(h,T(h))}),this._getRangeAndRemoveBookmark(t),s&&t.collapse(!1),ne(r,t),t}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(n,e){let t=this.getSelection();if(t.collapsed){let i=n.indexOf(":")+1;if(i)for(;n[i]==="/";)i+=1;j(t,document.createTextNode(n.slice(i)))}return e=Object.assign({hr
` ||X(e,t))&&(r.data.charAt(u)=== `
` ||Z(e,t))?(r.deleteData(u&&u-1,u?2:1),l=w(r,u&&u-1,t,t),r=l.previousSibling,r.textContent||C(r),r=this.createDefaultBlock(),l.parentNode.insertBefore(r,l),l.textContent||C(l),e.setStart(r,0)):(r.insertData(u, `
` ),x(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(!i||n||/^T[HD] $ /.test(i.nodeName))return Oe(e,"A",t),j(e,p("BR")),e.collapse(!1),this.setSelection(e),this._updatePath(e,!0),this;if((s=S(i,t,"LI"))&&(i=s),ae(i)){if(S(i,t,"UL")||S(i,t,"OL"))return this.decreaseListLevel(e),this;if(S(i,t,"BLOCKQUOTE"))return this.removeQuote(e),this}r=e.startContainer;let a=e.startOffset,d=this.tagAfterSplit[i.nodeName];l=w(r,a,i.parentNode,this._root);let c=this._config,f=null;for(d||(d=c.blockTag,f=c.blockAttributes),ue(l,d,f)||(i=p(d,f),l.dir&&(i.dir=l.dir),R(l,i),i.appendChild(T(l)),l=i),me(i),Se(i),x(i);l instanceof Element;){let u=l.firstChild,m;if(l.nodeName==="A"&&(!l.textContent||l.textContent===k)){u=document.createTextNode(""),R(l,u),l=u;break}for(;u&&u instanceof Text&&!u.data&&(m=u.nextSibling,!(!m||m.nodeName==="BR"));)C(u),u=m;if(!u||u.nodeName==="BR"||u instanceof Text)break;l=u}return e= $ (l,0),this.setSelection(e),this._updatePath(e,!0),this}forEachBlock(n,e,t){t||(t=this.getSelection()),e&&this.saveUndoState(t);let i=this._root,s=L(t,i),r=G(t,i);if(s&&r)do if(n(s)||s===r)break;while(s=W(s,i));return e&&(this.setSelection(t),this._updatePath(t,!0)),this}modifyBlocks(n,e){e||(e=this.getSelection()),this._recordUndoState(e,this._isInUndoState);let t=this._root;ye(e,t),q(e,t,t,t);let i=Be(e,t,t);if(!e.collapsed){let s=e.endContainer;if(s===t)e.collapse(!1);else{for(;s.parentNode!==t;)s=s.parentNode;e.setStartBefore(s),e.collapse(!0)}}return j(e,n.call(this,i)),e.endOffset<e.endContainer.childNodes.length&&F(e.endContainer.childNodes[e.endOffset],t),F(e.startContainer.childNodes[e.startOffset],t),this._getRangeAndRemoveBookmark(e),this.setSelection(e),this._updatePath(e,!0),this}setTextAlignment(n){return this.forEachBlock(e=>{let t=e.className.split(/ \s +/).filter(i=>!!i&&!/^align/.test(i)).join(" ");n?(e.className=t+" align-"+n,e.style.textAlign=n):(e.className=t,e.style.textAlign="")},!0),this.focus()}setTextDirection(n){return this.forEachBlock(e=>{n?e.dir=n:e.removeAttribute("dir")},!0),this.focus()}_getListSelection(n,e){let t=n.commonAncestorContainer,i=n.startContainer,s=n.endContainer;for(;t&&t!==e&&!/^[OU]L $ /.test(t.nodeName);)t=t.parentNode;if(!t||t===e)return null;for(i===t&&(i=i.childNodes[n.startOffset]),s===t&&(s=s.childNodes[n.endOffset]);i&&i.parentNode!==t;)i=i.parentNode;for(;s&&s.parentNode!==t;)s=s.parentNode;return[t,i,s]}increaseListLevel(n){n||(n=this.getSelection());let e=this._root,t=this._getListSelection(n,e);if(!t)return this.focus();let[i,s,r]=t;if(!s||s===i.firstChild)return this.focus();this._recordUndoState(n,this._isInUndoState);let l=i.nodeName,a=s.previousSibling,d,c;a.nodeName!==l&&(d=this._config.tagAttributes[l.toLowerCase()],a=p(l,d),i.insertBefore(a,s));do c=s===r?null:s.nextSibling,a.appendChild(s);while(s=c);return c=a.nextSibling,c&&F(c,e),this._getRangeAndRemoveBookmark(n),this.setSelection(n),this._updatePath(n,!0),this.focus()}decreaseListLevel(n){n||(n=this.getSelection());let e=this._root,t=this._getListSelection(n,e);if(!t)return this.focus();let[i,s,r]=t;s||(s=i.firstChild),r||(r=i.lastChild),this._recordUndoState(n,this._isInUndoState);let l,a=null;if(s){let d=i.parentNode;if(a=r.nextSibling?w(i,r.nextSibling,d,e):i.nextSibling,d!==e&&d.nodeName==="LI"){for(d=d.parentNode;a;)l=a.nextSibling,r.appendChild(a),a=l;a=i.parentNode.nextSibling}let c=!/^[OU]L $ /.test(d.nodeName);do l=s===r?null:s.nextSibling,i.removeChild(s),c&&s.nodeName==="LI"&&(s=this.createDefaultBlock([T(s)])),d.insertBefore(s,a);while(s=l)}return i.firstChild||C(i),a&&F(a,e),this._getRangeAndRemoveBookmark(n),this.setSelection(n),this._updatePath(n,!0),this.focus()}_makeList(n,e){let t=le(n,this._root),i=this._config.tagAttributes,s=i[e.toLowerCase()],r=i.li,l;for(;l=t.nextNode();)if(l.parentNode instanceof HTMLLIElement&&(l=l.parentNode,t.currentNode=l.lastChild),l instanceof HTMLLIElement){l=l.parentNode;let a=l.nodeName;a!==e&&/^[OU]L $ /.test(a)&&R(l,p(e,s,[T(l)]))}else{let a=p("LI",r);l.dir&&(a.dir=l.dir);let
` )):C(f)}for(a=r.querySelectorAll("CODE"),c=a.length;c--;)R(a[c],T(a[c]));i.childNodes.length&&i.appendChild(document.createTextNode( `
` )),i.appendChild(T(r))}let l=new E(i,4);for(;r=l.nextNode();)r.data=r.data.replace(/ \x A0");let u=document.createDocumentFragment(),m;for(;(m=f.indexOf( `
` ))>-1;)u.appendChild(document.createTextNode(f.slice(0,m))),u.appendChild(p("BR")),f=f.slice(m+1);c.parentNode.insertBefore(u,c),c.data=f}D(a,s),R(a,T(a))}return i},n),this.focus()):this.changeFormat(null,{tag:"CODE"},n),this}toggleCode(){return this.hasFormat("PRE")||this.hasFormat("CODE")?this.removeCode():this.code(),this}_removeFormatting(n,e){for(let t=n.firstChild,i;t;t=i){if(i=t.nextSibling,N(t)){if(t instanceof Text||t.nodeName==="BR"||t.nodeName==="IMG"){e.appendChild(t);continue}}else if(P(t)){e.appendChild(this.createDefaultBlock([this._removeFormatting(t,document.createDocumentFragment())]));continue}this._removeFormatting(t,e)}return e}removeAllFormatting(n){if(n||(n=this.getSelection()),n.collapsed)return this.focus();let e=this._root,t=n.commonAncestorContainer;for(;t&&!P(t);)t=t.parentNode;if(t||(ye(n,e),t=e),t instanceof Text)return this.focus();this.saveUndoState(n),q(n,t,t,e);let i=n.startContainer,s=n.startOffset,r=n.endContainer,l=n.endOffset,a=document.createDocumentFragment(),d=document.createDocumentFragment(),c=w(r,l,t,e),f=w(i,s,t,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){t.insertBefore(d,c);let m=Array.from(t.childNodes);s=m.indexOf(f),l=u?m.indexOf(u)+1:0}else c&&(s=Array.from(t.childNodes).indexOf(c),l=s);return n.setStart(t,s),n.setEnd(t,l),ne(t,n),_(n),this.setSelection(n),this._updatePath(n,!0),this.focus()}};var Fo=Ce;export{Fo as default};
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