/*! For license information please see quill.js.LICENSE.txt */
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n=this.stack[t].pop();if(!n)return;const i=this.quill.getContents(),s=n.delta.invert(i);this.stack[e].push({delta:s,range:w(n.range,s)}),this.lastRecorded=0,this.ignoreChange=!0,this.quill.updateContents(n.delta,r.Ay.sources.USER),this.ignoreChange=!1,this.restoreSelection(n)}clear(){this.stack={undo:[],redo:[]}}cutoff(){this.lastRecorded=0}record(t,e){if(0===t.ops.length)return;this.stack.redo=[];let n=t.invert(e),r=this.currentRange;const i=Date.now();if(this.lastRecorded+this.options.delay>i&&this.stack.undo.length>0){const t=this.stack.undo.pop();t&&(n=n.compose(t.delta),r=t.range)}else this.lastRecorded=i;0!==n.length()&&(this.stack.undo.push({delta:n,range:r}),this.stack.undo.length>this.options.maxStack&&this.stack.undo.shift())}redo(){this.change("redo","undo")}transform(t){E(this.stack.undo,t),E(this.stack.redo,t)}undo(){this.change("undo","redo")}restoreSelection(t){if(t.range)this.quill.setSelection(t.range,r.Ay.sources.USER);else{const e=function(t,e){const 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s=r.rowOffset();n.insertRow(s+t),this.quill.update(p.Ay.sources.USER),t>0?this.quill.setSelection(e,p.Ay.sources.SILENT):this.quill.setSelection(e.index+r.children.length,e.length,p.Ay.sources.SILENT)}insertRowAbove(){this.insertRow(0)}insertRowBelow(){this.insertRow(1)}insertTable(t,e){const n=this.quill.getSelection();if(null==n)return;const r=new Array(t).fill(0).reduce((t=>{const n=new Array(e).fill("\n").join("");return t.insert(n,{table:nt()})}),(new(z())).retain(n.index));this.quill.updateContents(r,p.Ay.sources.USER),this.quill.setSelection(n.index,p.Ay.sources.SILENT),this.balanceTables()}listenBalanceCells(){this.quill.on(p.Ay.events.SCROLL_OPTIMIZE,(t=>{t.some((t=>!!["TD","TR","TBODY","TABLE"].includes(t.target.tagName)&&(this.quill.once(p.Ay.events.TEXT_CHANGE,((t,e,n)=>{n===p.Ay.sources.USER&&this.balanceTables()})),!0)))}))}}var it=rt;const st=(0,n(6078).A)("quill:toolbar");class ot extends F.A{constructor(t,e){if(super(t,e),Array.isArray(this.options.container)){const 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e=i.bottom-i.top,r=t.bottom-t.top+e;this.root.style.top=n-r+"px",this.root.classList.add("ql-flip")}return s}show(){this.root.classList.remove("ql-editing"),this.root.classList.remove("ql-hidden")}},mt=n(8347),bt=n(5374),yt=n(9609);const vt=[!1,"center","right","justify"],At=["#000000","#e60000","#ff9900","#ffff00","#008a00","#0066cc","#9933ff","#ffffff","#facccc","#ffebcc","#ffffcc","#cce8cc","#cce0f5","#ebd6ff","#bbbbbb","#f06666","#ffc266","#ffff66","#66b966","#66a3e0","#c285ff","#888888","#a10000","#b26b00","#b2b200","#006100","#0047b2","#6b24b2","#444444","#5c0000","#663d00","#666600","#003700","#002966","#3d1466"],xt=[!1,"serif","monospace"],Nt=["1","2","3",!1],Et=["small",!1,"large","huge"];class wt extends yt.A{constructor(t,e){super(t,e);const n=e=>{document.body.contains(t.root)?(null==this.tooltip||this.tooltip.root.contains(e.target)||document.activeElement===this.tooltip.textbox||this.quill.hasFocus()||this.tooltip.hide(),null!=this.pickers&&this.pickers.forEach((t=>{t.container.contains(e.target)||t.close()}))):document.body.removeEventListener("click",n)};t.emitter.listenDOM("click",document.body,n)}addModule(t){const e=super.addModule(t);return"toolbar"===t&&this.extendToolbar(e),e}buildButtons(t,e){Array.from(t).forEach((t=>{(t.getAttribute("class")||"").split(/\s+/).forEach((n=>{if(n.startsWith("ql-")&&(n=n.slice(3),null!=e[n]))if("direction"===n)t.innerHTML=e[n][""]+e[n].rtl;else if("string"==typeof e[n])t.innerHTML=e[n];else{const r=t.value||"";null!=r&&e[n][r]&&(t.innerHTML=e[n][r])}}))}))}buildPickers(t,e){this.pickers=Array.from(t).map((t=>{if(t.classList.contains("ql-align")&&(null==t.querySelector("option")&&kt(t,vt),"object"==typeof e.align))return new pt(t,e.align);if(t.classList.contains("ql-background")||t.classList.contains("ql-color")){const n=t.classList.contains("ql-background")?"background":"color";return null==t.querySelector("option")&&kt(t,At,"background"===n?"#ffffff":"#000000"),new ft(t,e[n])}return null==t.querySelector("option")&&(t.classList.contains("ql-font")?kt(t,xt):t.classList.contains("ql-header")?kt(t,Nt):t.classList.contains("ql-size")&&kt(t,Et)),new dt(t)})),this.quill.on(bt.A.events.EDITOR_CHANGE,(()=>{this.pickers.forEach((t=>{t.update()}))}))}}wt.DEFAULTS=(0,mt.A)({},yt.A.DEFAULTS,{modules:{toolbar:{handlers:{formula(){this.quill.theme.tooltip.edit("formula")},image(){let t=this.container.querySelector("input.ql-image[type=file]");null==t&&(t=document.createElement("input"),t.setAttribute("type","file"),t.setAttribute("accept",this.quill.uploader.options.mimetypes.join(", ")),t.classList.add("ql-image"),t.addEventListener("change",(()=>{const e=this.quill.getSelection(!0);this.quill.uploader.upload(e,t.files),t.value=""})),this.container.appendChild(t)),t.click()},video(){this.quill.theme.tooltip.edit("video")}}}}});class qt extends gt{constructor(t,e){super(t,e),this.textbox=this.root.querySelector('input[type="text"]'),this.listen()}listen(){this.textbox.addEventListener("keydown",(t=>{"Enter"===t.key?(this.save(),t.preventDefault()):"Escape"===t.key&&(this.cancel(),t.preventDefault())}))}cancel(){this.hide(),this.restoreFocus()}edit(){let t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:"link",e=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null;if(this.root.classList.remove("ql-hidden"),this.root.classList.add("ql-editing"),null==this.textbox)return;null!=e?this.textbox.value=e:t!==this.root.getAttribute("data-mode")&&(this.textbox.value="");const n=this.quill.getBounds(this.quill.selection.savedRange);null!=n&&this.position(n),this.textbox.select(),this.textbox.setAttribute("placeholder",this.textbox.getAttribute(`data-${t}`)||""),this.root.setAttribute("data-mode",t)}restoreFocus(){this.quill.focus({preventScroll:!0})}save(){let{value:t}=this.textbox;switch(this.root.getAttribute("data-mode")){case"link":{const{scrollTop:e}=this.quill.root;this.linkRange?(this.quill.formatText(this.linkRange,"link",t,bt.A.sources.USER),delete this.linkRange):(this.restoreFocus(),this.quill.format("link",t,bt.A.sources.USER)),this.quill.root.scrollTop=e;break}case"video":t=function(t){let e=t.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtube\.com\/watch.*v=([a-zA-Z0-9_-]+)/)||t.match(/^(?:(https?):\/\/)?(?:(?:www|m)\.)?youtu\.be\/([a-zA-Z0-9_-]+)/);return e?`${e[1]||"https"}://www.youtube.com/embed/${e[2]}?showinfo=0`:(e=t.match(/^(?:(https?):\/\/)?(?:www\.)?vimeo\.com\/(\d+)/))?`${e[1]||"https"}://player.vimeo.com/video/${e[2]}/`:t}(t);case"formula":{if(!t)break;const e=this.quill.getSelection(!0);if(null!=e){const n=e.index+e.length;this.quill.insertEmbed(n,this.root.getAttribute("data-mode"),t,bt.A.sources.USER),"formula"===this.root.getAttribute("data-mode")&&this.quill.insertText(n+1," ",bt.A.sources.USER),this.quill.setSelection(n+2,bt.A.sources.USER)}break}}this.textbox.value="",this.hide()}}function kt(t,e){let n=arguments.length>2&&void 0!==arguments[2]&&arguments[2];e.forEach((e=>{const r=document.createElement("option");e===n?r.setAttribute("selected","selected"):r.setAttribute("value",String(e)),t.appendChild(r)}))}var _t=n(8298);const Lt=[["bold","italic","link"],[{header:1},{header:2},"blockquote"]];class St extends qt{static TEMPLATE=['<span class="ql-tooltip-arrow"></span>','<div class="ql-tooltip-editor">','<input type="text" data-formula="e=mc^2" data-link="https://quilljs.com" data-video="Embed URL">','<a class="ql-close"></a>',"</div>"].join("");constructor(t,e){super(t,e),this.quill.on(bt.A.events.EDITOR_CHANGE,((t,e,n,r)=>{if(t===bt.A.events.SELECTION_CHANGE)if(null!=e&&e.length>0&&r===bt.A.sources.USER){this.show(),this.root.style.left="0px",this.root.style.width="",this.root.style.width=`${this.root.offsetWidth}px`;const t=this.quill.getLines(e.index,e.length);if(1===t.length){const t=this.quill.getBounds(e);null!=t&&this.position(t)}else{const n=t[t.length-1],r=this.quill.getIndex(n),i=Math.min(n.length()-1,e.index+e.length-r),s=this.quill.getBounds(new _t.Q(r,i));null!=s&&this.position(s)}}else document.activeElement!==this.textbox&&this.quill.hasFocus()&&this.hide()}))}listen(){super.listen(),this.root.querySelector(".ql-close").addEventListener("click",(()=>{this.root.classList.remove("ql-editing")})),this.quill.on(bt.A.events.SCROLL_OPTIMIZE,(()=>{setTimeout((()=>{if(this.root.classList.contains("ql-hidden"))return;const t=this.quill.getSelection();if(null!=t){const e=this.quill.getBounds(t);null!=e&&this.position(e)}}),1)}))}cancel(){this.show()}position(t){const e=super.position(t),n=this.root.querySelector(".ql-tooltip-arrow");return n.style.marginLeft="",0!==e&&(n.style.marginLeft=-1*e-n.offsetWidth/2+"px"),e}}class Ot extends wt{constructor(t,e){null!=e.modules.toolbar&&null==e.modules.toolbar.container&&(e.modules.toolbar.container=Lt),super(t,e),this.quill.container.classList.add("ql-bubble")}extendToolbar(t){this.tooltip=new St(this.quill,this.options.bounds),null!=t.container&&(this.tooltip.root.appendChild(t.container),this.buildButtons(t.container.querySelectorAll("button"),ct),this.buildPickers(t.container.querySelectorAll("select"),ct))}}Ot.DEFAULTS=(0,mt.A)({},wt.DEFAULTS,{modules:{toolbar:{handlers:{link(t){t?this.quill.theme.tooltip.edit():this.quill.format("link",!1)}}}}});const Tt=[[{header:["1","2","3",!1]}],["bold","italic","underline","link"],[{list:"ordered"},{list:"bullet"}],["clean"]];class jt extends qt{static TEMPLATE=['<a class="ql-preview" rel="noopener noreferrer" target="_blank" href="about:blank"></a>','<input type="text" data-formula="e=mc^2" data-link="https://quilljs.com" data-video="Embed URL">','<a class="ql-action"></a>','<a class="ql-remove"></a>'].join("");preview=this.root.querySelector("a.ql-preview");listen(){super.listen(),this.root.querySelector("a.ql-action").addEventListener("click",(t=>{this.root.classList.contains("ql-editing")?this.save():this.edit("link",this.preview.textContent),t.preventDefault()})),this.root.querySelector("a.ql-remove").addEventListener("click",(t=>{if(null!=this.linkRange){const t=this.linkRange;this.restoreFocus(),this.quill.formatText(t,"link",!1,bt.A.sources.USER),delete this.linkRange}t.preventDefault(),this.hide()})),this.quill.on(bt.A.events.SELECTION_CHANGE,((t,e,n)=>{if(null!=t){if(0===t.length&&n===bt.A.sources.USER){const[e,n]=this.quill.scroll.descendant(w,t.index);if(null!=e){this.linkRange=new _t.Q(t.index-n,e.length());const r=w.formats(e.domNode);this.preview.textContent=r,this.preview.setAttribute("href",r),this.show();const i=this.quill.getBounds(this.linkRange);return void(null!=i&&this.position(i))}}else delete this.linkRange;this.hide()}}))}show(){super.show(),this.root.removeAttribute("data-mode")}}class Ct extends wt{constructor(t,e){null!=e.modules.toolbar&&null==e.modules.toolbar.container&&(e.modules.toolbar.container=Tt),super(t,e),this.quill.container.classList.add("ql-snow")}extendToolbar(t){null!=t.container&&(t.container.classList.add("ql-snow"),this.buildButtons(t.container.querySelectorAll("button"),ct),this.buildPickers(t.container.querySelectorAll("select"),ct),this.tooltip=new jt(this.quill,this.options.bounds),t.container.querySelector(".ql-link")&&this.quill.keyboard.addBinding({key:"k",shortKey:!0},((e,n)=>{t.handlers.link.call(t,!n.format.link)})))}}Ct.DEFAULTS=(0,mt.A)({},wt.DEFAULTS,{modules:{toolbar:{handlers:{link(t){if(t){const t=this.quill.getSelection();if(null==t||0===t.length)return;let e=this.quill.getText(t);/^\S+@\S+\.\S+$/.test(e)&&0!==e.indexOf("mailto:")&&(e=`mailto:${e}`);const{tooltip:n}=this.quill.theme;n.edit("link",e)}else this.quill.format("link",!1)}}}}});var Rt=Ct;t.default.register({"attributors/attribute/direction":i.Mc,"attributors/class/align":e.qh,"attributors/class/background":b.l,"attributors/class/color":y.g3,"attributors/class/direction":i.sY,"attributors/class/font":v.q,"attributors/class/size":A.U,"attributors/style/align":e.Hu,"attributors/style/background":b.s,"attributors/style/color":y.JM,"attributors/style/direction":i.VL,"attributors/style/font":v.z,"attributors/style/size":A.r},!0),t.default.register({"formats/align":e.qh,"formats/direction":i.sY,"formats/indent":l,"formats/background":b.s,"formats/color":y.JM,"formats/font":v.q,"formats/size":A.U,"formats/blockquote":u,"formats/code-block":D.Ay,"formats/header":d,"formats/list":m,"formats/bold":E,"formats/code":D.Cy,"formats/italic":class extends E{static blotName="italic";static tagName=["EM","I"]},"formats/link":w,"formats/script":_,"formats/strike":class extends E{static blotName="strike";static tagName=["S","STRIKE"]},"formats/underline":S,"formats/formula":j,"formats/image":I,"formats/video":U,"modules/syntax":Q,"modules/table":it,"modules/toolbar":ot,"themes/bubble":Ot,"themes/snow":Rt,"ui/icons":ct,"ui/picker":dt,"ui/icon-picker":pt,"ui/color-picker":ft,"ui/tooltip":gt},!0);var It=t.default}(),r.default}()}));
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