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`||Q(e,t))&&(r.data.charAt(u)===`
`||ie(e,t))?(r.deleteData(u&&u-1,u?2:1),l=A(r,u&&u-1,t,t),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,`
`),_(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||n||/^T[HD]$/.test(o.nodeName))return Re(e,"A",t),Z(e,m("BR")),e.collapse(!1),this.setSelection(e),this._updatePath(e,!0),this;if((s=g(o,t,"LI"))&&(o=s),ae(o)){if(g(o,t,"UL")||g(o,t,"OL"))return this.decreaseListLevel(e),this;if(g(o,t,"BLOCKQUOTE"))return this.removeQuote(e),this}r=e.startContainer;let a=e.startOffset,d=this.tagAfterSplit[o.nodeName];l=A(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(n,e,t){t||(t=this.getSelection()),e&&this.saveUndoState(t);let o=this._root,s=L(t,o),r=G(t,o);if(s&&r)do if(n(s)||s===r)break;while(s=U(s,o));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;ke(e,t),P(e,t,t,t);let o=ye(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 Z(e,n.call(this,o)),e.endOffset<e.endContainer.childNodes.length&&M(e.endContainer.childNodes[e.endOffset],t),M(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(o=>!!o&&!/^align/.test(o)).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,o=n.startContainer,s=n.endContainer;for(;t&&t!==e&&!/^[OU]L$/.test(t.nodeName);)t=t.parentNode;if(!t||t===e)return null;for(o===t&&(o=o.childNodes[n.startOffset]),s===t&&(s=s.childNodes[n.endOffset]);o&&o.parentNode!==t;)o=o.parentNode;for(;s&&s.parentNode!==t;)s=s.parentNode;return[t,o,s]}increaseListLevel(n){n||(n=this.getSelection());let e=this._root,t=this._getListSelection(n,e);if(!t)return this.focus();let[o,s,r]=t;if(!s||s===o.firstChild)return this.focus();this._recordUndoState(n,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(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[o,s,r]=t;s||(s=o.firstChild),r||(r=o.lastChild),this._recordUndoState(n,this._isInUndoState);let l,a=null;if(s){let d=o.parentNode;if(a=r.nextSibling?A(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$/.test(d.nodeName);do l=s===r?null:s.nextSibling,o.removeChild(s),c&&s.nodeName==="LI"&&(s=this.createDefaultBlock([S(s)])),d.insertBefore(s,a);while(s=l)}return o.firstChild||E(o),a&&M(a,e),this._getRangeAndRemoveBookmark(n),this.setSelection(n),this._updatePath(n,!0),this.focus()}_makeList(n,e){let t=le(n,this._root),o=this._config.tagAttributes,s=o[e.toLowerCase()],r=o.li,l;for(;l=t.nextNode();)if(l.parentNode instanceof HTMLLIElement&&(l=l.parentNode,t.currentNode=l.lastChild),l instanceof HTMLLIElement){l=l.parentNode;let a=l.nodeName;a!==e&&/^[OU]L$/.test(a)&&y(l,m(e,s,[S(l)]))}else{let a=m("LI",r);l.dir&&(a.dir=l.dir);let d=l.previousSibling;d&&d.nodeName===e?(d.appendChild(a),E(l)):y(l,m(e,s,[a])),a.appendChild(S(l)),t.currentNode=a}return n}makeUnorderedList(){return this.modifyBlocks(n=>this._makeList(n,"UL")),this.focus()}makeOrderedList(){return this.modifyBlocks(n=>this._makeList(n,"OL")),this.focus()}removeList(){return this.modifyBlocks(n=>{let e=n.querySelectorAll("UL, OL"),t=n.querySelectorAll("LI"),o=this._root;for(let s=0,r=e.length;s<r;s+=1){let l=e[s],a=S(l);B(a,o),y(l,a)}for(let s=0,r=t.length;s<r;s+=1){let l=t[s];H(l)?y(l,this.createDefaultBlock([S(l)])):(B(l,o),y(l,S(l)))}return n}),this.focus()}increaseQuoteLevel(n){return this.modifyBlocks(e=>m("BLOCKQUOTE",this._config.tagAttributes.blockquote,[e]),n),this.focus()}decreaseQuoteLevel(n){return this.modifyBlocks(e=>(Array.from(e.querySelectorAll("blockquote")).filter(t=>!g(t.parentNode,e,"BLOCKQUOTE")).forEach(t=>{y(t,S(t))}),e),n),this.focus()}removeQuote(n){return this.modifyBlocks(()=>this.createDefaultBlock([m("INPUT",{id:this.startSelectionId,type:"hidden"}),m("INPUT",{id:this.endSelectionId,type:"hidden"})]),n),this.focus()}code(){let n=this.getSelection();return n.collapsed||j(n.commonAncestorContainer)?(this.modifyBlocks(e=>{let t=this._root,o=document.createDocumentFragment(),s=le(e,t),r;for(;r=s.nextNode();){let a=r.querySelectorAll("BR"),d=[],c=a.length;for(let f=0;f<c;f+=1)d[f]=Y(a[f],!1);for(;c--;){let f=a[c];d[c]?y(f,document.createTextNode(`
`)):E(f)}for(a=r.querySelectorAll("CODE"),c=a.length;c--;)y(a[c],S(a[c]));o.childNodes.length&&o.appendChild(document.createTextNode(`
`)),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]))},n),this.focus()):this.changeFormat({tag:"CODE",attributes:this._config.tagAttributes.code},null,n),this}removeCode(){let n=this.getSelection(),e=n.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(`
`))>-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},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,o;t;t=o){if(o=t.nextSibling,N(t)){if(t instanceof Text||t.nodeName==="BR"||t.nodeName==="IMG"){e.appendChild(t);continue}}else if(H(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;let e=this._root,t=n.commonAncestorContainer;for(;t&&!H(t);)t=t.parentNode;if(t||(ke(n,e),t=e),t instanceof Text)return this;this.saveUndoState(n),P(n,t,t,e);let o=n.startContainer,s=n.startOffset,r=n.endContainer,l=n.endOffset,a=document.createDocumentFragment(),d=document.createDocumentFragment(),c=A(r,l,t,e),f=A(o,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 p=Array.from(t.childNodes);s=p.indexOf(f),l=u?p.indexOf(u)+1:0}else c&&(s=Array.from(t.childNodes).indexOf(c),l=s);return n.setStart(t,s),n.setEnd(t,l),J(t,n),x(n),this.setSelection(n),this._updatePath(n,!0),this.focus()}};var vi=Te;export{vi as default};
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