codemirror.js - tricu - A lazy functional language based on Tree Calculus

codemirror.js (263978B)
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p=c.children[m],g=d+p.length;g>=f&&(p.isComposite()?u(p,f-d):(!l||l.isHidden&&(n>0||i&&tu(l,p)))&&(g>f||p.flags&32)?(l=p,a=f-d):(d<f||p.flags&16&&!p.isHidden)&&(o=p,s=f-d)),d=g}}u(this,t);let h=(n<0?o:l)||o||l;return h?{tile:h,offset:h==o?s:a}:null}coordsIn(t,n){let i=this.resolveInline(t,n,!0);return i?i.tile.coordsIn(Math.max(0,i.offset),n):eu(this)}domIn(t,n){let i=this.resolveInline(t,n);if(i){let{tile:o,offset:s}=i;if(this.dom.contains(o.dom))return o.isText()?new ue(o.dom,Math.min(o.dom.nodeValue.length,s)):o.domPosFor(s,o.flags&16?1:o.flags&32?-1:n);let l=i.tile.parent,a=!1,u;for(let h of l.children){if(a)return new ue(h.dom,0);if(h==i.tile){if(u)return new ue(u.dom,ae(u.dom));a=!0}}}return new ue(this.dom,0)}};function eu(r){let e=r.dom.lastChild;if(!e)return r.dom.getBoundingClientRect();let t=Ht(e);return t[t.length-1]||null}function tu(r,e){let t=r.coordsIn(0,1),n=e.coordsIn(0,1);return t&&n&&n.top<t.bottom}var ee=class r extends Gt{constructor(t,n){super(t);this.mark=n}get 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this.flags&48?!1:(this.flags&(t<0?64:128))>0}coordsIn(t,n){return this.coordsInWidget(t,n,!1)}coordsInWidget(t,n,i){let o=this.widget.coordsAt(this.dom,t,n);if(o)return o;if(i)return Ft(this.dom.getBoundingClientRect(),this.length?t==0:n<=0);{let s=this.dom.getClientRects(),l=null;if(!s.length)return null;let a=this.flags&16?!0:this.flags&32?!1:t>0;for(let u=a?s.length-1:0;l=s[u],!(t>0?u==0:u==s.length-1||l.top<l.bottom);u+=a?-1:1);return Ft(l,!a)}}get overrideDOMText(){if(!this.length)return A.empty;let{root:t}=this;if(!t)return A.empty;let n=this.posAtStart;return t.view.state.doc.slice(n,n+this.length)}destroy(){super.destroy(),this.widget.destroy(this.dom)}static of(t,n,i,o,s){return s||(s=t.toDOM(n),t.editable||(s.contentEditable="false")),new r(s,i,t,o)}},wt=class extends O{constructor(e){let t=document.createElement("img");t.className="cm-widgetBuffer",t.setAttribute("aria-hidden","true"),super(t,0,e)}get isHidden(){return!0}get overrideDOMText(){return A.empty}coordsIn(e){return this.dom.getBoundingClientRect()}},br=class{constructor(e){this.index=0;this.beforeBreak=!1;this.parents=[];this.tile=e}advance(e,t,n){let{tile:i,index:o,beforeBreak:s,parents:l}=this;for(;e||t>0;)if(i.isComposite())if(s){if(!e)break;n&&n.break(),e--,s=!1}else if(o==i.children.length){if(!e&&!l.length)break;n&&n.leave(i),s=!!i.breakAfter,{tile:i,index:o}=l.pop(),o++}else{let a=i.children[o],u=a.breakAfter;(t>0?a.length<=e:a.length<e)&&(!n||n.skip(a,0,a.length)!==!1||!a.isComposite)?(s=!!u,o++,e-=a.length):(l.push({tile:i,index:o}),i=a,o=0,n&&a.isComposite()&&n.enter(a))}else if(o==i.length)s=!!i.breakAfter,{tile:i,index:o}=l.pop(),o++;else if(e){let a=Math.min(e,i.length-o);n&&n.skip(i,o,o+a),e-=a,o+=a}else break;return this.tile=i,this.index=o,this.beforeBreak=s,this}get root(){return this.parents.length?this.parents[0].tile:this.tile}};var Ct=!1;var eo=class{constructor(e,t,n,i){this.from=e;this.to=t;this.wrapper=n;this.rank=i}},to=class{constructor(e,t,n){this.cache=e;this.root=t;this.blockWrappers=n;this.curLine=null;this.lastBlock=null;this.afterWidget=null;this.pos=0;this.wrappers=[];this.wrapperPos=0}addText(e,t,n,i){this.flushBuffer();let o=this.ensureMarks(t,n),s=o.lastChild;if(s&&s.isText()&&!(s.flags&8)&&s.length+e.length<512){this.cache.reused.set(s,2);let l=o.children[o.children.length-1]=new Ze(s.dom,s.text+e);l.parent=o}else o.append(i||Ze.of(e,this.cache.find(Ze)?.dom));this.pos+=e.length,this.afterWidget=null}addComposition(e,t){let n=this.curLine;n.dom!=t.line.dom&&(n.setDOM(this.cache.reused.has(t.line)?Zi(t.line.dom):t.line.dom),this.cache.reused.set(t.line,2));let i=n;for(let l=t.marks.length-1;l>=0;l--){let a=t.marks[l],u=i.lastChild;if(u instanceof ee&&u.mark.eq(a.mark))u.dom!=a.dom&&u.setDOM(Zi(a.dom)),i=u;else{if(this.cache.reused.get(a)){let c=O.get(a.dom);c&&c.setDOM(Zi(a.dom))}let h=ee.of(a.mark,a.dom);i.append(h),i=h}this.cache.reused.set(a,2)}let o=O.get(e.text);o&&this.cache.reused.set(o,2);let s=new Ze(e.text,e.text.nodeValue);s.flags|=8,i.append(s)}addInlineWidget(e,t,n){let i=this.afterWidget&&e.flags&48&&(this.afterWidget.flags&48)==(e.flags&48);i||this.flushBuffer();let o=this.ensureMarks(t,n);!i&&!(e.flags&16)&&o.append(this.getBuffer(1)),o.append(e),this.pos+=e.length,this.afterWidget=e}addMark(e,t,n){this.flushBuffer(),this.ensureMarks(t,n).append(e),this.pos+=e.length,this.afterWidget=null}addBlockWidget(e){this.getBlockPos().append(e),this.pos+=e.length,this.lastBlock=e,this.endLine()}continueWidget(e){let t=this.afterWidget||this.lastBlock;t.length+=e,this.pos+=e}addLineStart(e,t){e||(e=Vs);let n=Tt.start(e,t||this.cache.find(Tt)?.dom,!!t);this.getBlockPos().append(this.lastBlock=this.curLine=n)}addLine(e){this.getBlockPos().append(e),this.pos+=e.length,this.lastBlock=e,this.endLine()}addBreak(){this.lastBlock.flags|=1,this.endLine(),this.pos++}addLineStartIfNotCovered(e){this.blockPosCovered()||this.addLineStart(e)}ensureLine(e){this.curLine||this.addLineStart(e)}ensureMarks(e,t){let n=this.curLine;for(let i=e.length-1;i>=0;i--){let o=e[i],s;if(t>0&&(s=n.lastChild)&&s instanceof ee&&s.mark.eq(o))n=s,t--;else{let l=ee.of(o,this.cache.find(ee,a=>a.mark.eq(o))?.dom);n.append(l),n=l,t=0}}return n}endLine(){if(this.curLine){this.flushBuffer();let e=this.curLine.lastChild;(!e||!Ps(this.curLine,!1)||e.dom.nodeName!="BR"&&e.isWidget()&&!(S.ios&&Ps(this.curLine,!0)))&&this.curLine.append(this.cache.findWidget(_i,0,32)||new _e(_i.toDOM(),0,_i,32)),this.curLine=this.afterWidget=null}}updateBlockWrappers(){this.wrapperPos>this.pos+1e4&&(this.blockWrappers.goto(this.pos),this.wrappers.length=0);for(let e=this.wrappers.length-1;e>=0;e--)this.wrappers[e].to<this.pos&&this.wrappers.splice(e,1);for(let e=this.blockWrappers;e.value&&e.from<=this.pos;e.next())if(e.to>=this.pos){let t=new eo(e.from,e.to,e.value,e.rank),n=this.wrappers.length;for(;n>0&&(this.wrappers[n-1].rank-t.rank||this.wrappers[n-1].to-t.to)<0;)n--;this.wrappers.splice(n,0,t)}this.wrapperPos=this.pos}getBlockPos(){this.updateBlockWrappers();let e=this.root;for(let t of this.wrappers){let n=e.lastChild;if(t.from<this.pos&&n instanceof ve&&n.wrapper.eq(t.wrapper))e=n;else{let i=ve.of(t.wrapper,this.cache.find(ve,o=>o.wrapper.eq(t.wrapper))?.dom);e.append(i),e=i}}return e}blockPosCovered(){let e=this.lastBlock;return e!=null&&!e.breakAfter&&(!e.isWidget()||(e.flags&160)>0)}getBuffer(e){let t=2|(e<0?16:32),n=this.cache.find(wt,void 0,1);return n&&(n.flags=t),n||new wt(t)}flushBuffer(){this.afterWidget&&!(this.afterWidget.flags&32)&&(this.afterWidget.parent.append(this.getBuffer(-1)),this.afterWidget=null)}},no=class{constructor(e){this.skipCount=0;this.text="";this.textOff=0;this.cursor=e.iter()}skip(e){this.textOff+e<=this.text.length?this.textOff+=e:(this.skipCount+=e-(this.text.length-this.textOff),this.text="",this.textOff=0)}next(e){if(this.textOff==this.text.length){let{value:i,lineBreak:o,done:s}=this.cursor.next(this.skipCount);if(this.skipCount=0,s)throw new Error("Ran out of text content when drawing inline views");this.text=i;let l=this.textOff=Math.min(e,i.length);return o?null:i.slice(0,l)}let t=Math.min(this.text.length,this.textOff+e),n=this.text.slice(this.textOff,t);return this.textOff=t,n}},yr=[_e,Tt,Ze,ee,wt,ve,Qe];for(let r=0;r<yr.length;r++)yr[r].bucket=r;var ro=class{constructor(e){this.view=e;this.buckets=yr.map(()=>[]);this.index=yr.map(()=>0);this.reused=new Map}add(e){let t=e.constructor.bucket,n=this.buckets[t];n.length<6?n.push(e):n[this.index[t]=(this.index[t]+1)%6]=e}find(e,t,n=2){let i=e.bucket,o=this.buckets[i],s=this.index[i];for(let l=o.length-1;l>=0;l--){let a=(l+s)%o.length,u=o[a];if((!t||t(u))&&!this.reused.has(u))return o.splice(a,1),a<s&&this.index[i]--,this.reused.set(u,n),u}return null}findWidget(e,t,n){let i=this.buckets[0];if(i.length)for(let o=0,s=0;;o++){if(o==i.length){if(s)return null;s=1,o=0}let l=i[o];if(!this.reused.has(l)&&(s==0?l.widget.compare(e):l.widget.constructor==e.constructor&&e.updateDOM(l.dom,this.view,l.widget)))return i.splice(o,1),o<this.index[0]&&this.index[0]--,l.widget==e&&l.length==t&&(l.flags&497)==n?(this.reused.set(l,1),l):(this.reused.set(l,2),new _e(l.dom,t,e,l.flags&-498|n))}}reuse(e){return this.reused.set(e,1),e}maybeReuse(e,t=2){if(!this.reused.has(e))return this.reused.set(e,t),e.dom}clear(){for(let e=0;e<this.buckets.length;e++)this.buckets[e].length=this.index[e]=0}},xr=class{constructor(e,t,n,i,o){this.view=e;this.decorations=i;this.disallowBlockEffectsFor=o;this.openWidget=!1;this.openMarks=0;this.cache=new ro(e),this.text=new no(e.state.doc),this.builder=new to(this.cache,new Qe(e,e.contentDOM),N.iter(n)),this.cache.reused.set(t,2),this.old=new br(t),this.reuseWalker={skip:(s,l,a)=>{if(this.cache.add(s),s.isComposite())return!1},enter:s=>this.cache.add(s),leave:()=>{},break:()=>{}}}run(e,t){Ct&&console.log("Build with changes",JSON.stringify(e)),Ct&&t&&console.log("Composition=",JSON.stringify(t.range),t.text.nodeValue),Ct&&console.log("<<< "+this.old.tile);let n=t&&this.getCompositionContext(t.text);for(let i=0,o=0,s=0;;){let l=s<e.length?e[s++]:null,a=l?l.fromA:this.old.root.length;if(a>i){Ct&&console.log("Preserve",i,"to",a);let u=a-i;this.preserve(u,!s,!l),i=a,o+=u}if(!l)break;t&&l.fromA<=t.range.fromA&&l.toA>=t.range.toA?(Ct&&console.log("Emit composition",o,"to",l.toB,"over",i,"to",l.toA),this.forward(l.fromA,t.range.fromA,t.range.fromA<t.range.toA?1:-1),this.emit(o,t.range.fromB),this.cache.clear(),this.builder.addComposition(t,n),this.text.skip(t.range.toB-t.range.fromB),this.forward(t.range.fromA,l.toA),this.emit(t.range.toB,l.toB)):(Ct&&console.log("Emit",o,"to",l.toB,"over",i,"to",l.toA),this.forward(l.fromA,l.toA),this.emit(o,l.toB)),o=l.toB,i=l.toA}return Ct&&console.log(">>> "+this.builder.root),this.builder.curLine&&this.builder.endLine(),this.builder.root}preserve(e,t,n){let i=ou(this.old),o=this.openMarks;this.old.advance(e,n?1:-1,{skip:(s,l,a)=>{if(s.isWidget())if(this.openWidget)this.builder.continueWidget(a-l);else{let u=a>0||l<s.length?_e.of(s.widget,this.view,a-l,s.flags&496,this.cache.maybeReuse(s)):this.cache.reuse(s);u.flags&256?(u.flags&=-2,this.builder.addBlockWidget(u)):(this.builder.ensureLine(null),this.builder.addInlineWidget(u,i,o),o=i.length)}else if(s.isText())this.builder.ensureLine(null),!l&&a==s.length&&!this.cache.reused.has(s)?this.builder.addText(s.text,i,o,this.cache.reuse(s)):(this.cache.add(s),this.builder.addText(s.text.slice(l,a),i,o)),o=i.length;else if(s.isLine())s.flags&=-2,this.cache.reused.set(s,1),this.builder.addLine(s);else if(s instanceof wt)this.cache.add(s);else if(s instanceof ee)this.builder.ensureLine(null),this.builder.addMark(s,i,o),this.cache.reused.set(s,1),o=i.length;else return!1;this.openWidget=!1},enter:s=>{s.isLine()?this.builder.addLineStart(s.attrs,this.cache.maybeReuse(s)):(this.cache.add(s),s instanceof ee&&i.unshift(s.mark)),this.openWidget=!1},leave:s=>{s.isLine()?i.length&&(i.length=o=0):s instanceof ee&&(i.shift(),o=Math.min(o,i.length))},break:()=>{this.builder.addBreak(),this.openWidget=!1}}),this.text.skip(e)}emit(e,t){let n=null,i=this.builder,o=0,s=N.spans(this.decorations,e,t,{point:(l,a,u,h,c,f)=>{if(u instanceof We){if(this.disallowBlockEffectsFor[f]){if(u.block)throw new RangeError("Block decorations may not be specified via plugins");if(a>this.view.state.doc.lineAt(l).to)throw new RangeError("Decorations that replace line breaks may not be specified via plugins")}if(o=h.length,c>h.length)i.continueWidget(a-l);else{let m=u.widget||(u.block?Sr.block:Sr.inline),d=ru(u),p=this.cache.findWidget(m,a-l,d)||_e.of(m,this.view,a-l,d);u.block?(u.startSide>0&&i.addLineStartIfNotCovered(n),i.addBlockWidget(p)):(i.ensureLine(n),i.addInlineWidget(p,h,c))}n=null}else n=iu(n,u);a>l&&this.text.skip(a-l)},span:(l,a,u,h)=>{for(let c=l;c<a;){let f=this.text.next(Math.min(512,a-c));f==null?(i.addLineStartIfNotCovered(n),i.addBreak(),c++):(i.ensureLine(n),i.addText(f,u,c==l?h:u.length),c+=f.length),n=null}}});i.addLineStartIfNotCovered(n),this.openWidget=s>o,this.openMarks=s}forward(e,t,n=1){t-e<=10?this.old.advance(t-e,n,this.reuseWalker):(this.old.advance(5,-1,this.reuseWalker),this.old.advance(t-e-10,-1),this.old.advance(5,n,this.reuseWalker))}getCompositionContext(e){let t=[],n=null;for(let i=e.parentNode;;i=i.parentNode){let o=O.get(i);if(i==this.view.contentDOM)break;o instanceof ee?t.push(o):o?.isLine()?n=o:o instanceof ve||(i.nodeName=="DIV"&&!n&&i!=this.view.contentDOM?n=new Tt(i,Vs):n||t.push(ee.of(new Vt({tagName:i.nodeName.toLowerCase(),attributes:Cs(i)}),i)))}return{line:n,marks:t}}};function Ps(r,e){let t=n=>{for(let i of n.children)if((e?i.isText():i.length)||t(i))return!0;return!1};return t(r)}function ru(r){let e=r.isReplace?(r.startSide<0?64:0)|(r.endSide>0?128:0):r.startSide>0?32:16;return r.block&&(e|=256),e}var Vs={class:"cm-line"};function iu(r,e){let t=e.spec.attributes,n=e.spec.class;return!t&&!n||(r||(r={class:"cm-line"}),t&&Pt(t,r),n&&(r.class+=" "+n)),r}function ou(r){let e=[];for(let t=r.parents.length;t>1;t--){let n=t==r.parents.length?r.tile:r.parents[t].tile;n instanceof ee&&e.push(n.mark)}return e}function Zi(r){let e=O.get(r);return e&&e.setDOM(r.cloneNode()),r}var Sr=class r extends ke{constructor(t){super();this.tag=t}eq(t){return t.tag==this.tag}toDOM(){return document.createElement(this.tag)}updateDOM(t){return t.nodeName.toLowerCase()==this.tag}get isHidden(){return!0}static{this.inline=new r("span")}static{this.block=new r("div")}},_i=new class extends ke{toDOM(){return document.createElement("br")}get isHidden(){return!0}get editable(){return!0}};var pn=class{constructor(e){this.view=e;this.decorations=[];this.blockWrappers=[];this.dynamicDecorationMap=[!1];this.domChanged=null;this.hasComposition=null;this.editContextFormatting=V.none;this.lastCompositionAfterCursor=!1;this.minWidth=0;this.minWidthFrom=0;this.minWidthTo=0;this.impreciseAnchor=null;this.impreciseHead=null;this.forceSelection=!1;this.lastUpdate=Date.now();this.updateDeco(),this.tile=new Qe(e,e.contentDOM),this.updateInner([new he(0,0,0,e.state.doc.length)],null)}update(e){let t=e.changedRanges;this.minWidth>0&&t.length&&(t.every(({fromA:u,toA:h})=>h<this.minWidthFrom||u>this.minWidthTo)?(this.minWidthFrom=e.changes.mapPos(this.minWidthFrom,1),this.minWidthTo=e.changes.mapPos(this.minWidthTo,1)):this.minWidth=this.minWidthFrom=this.minWidthTo=0),this.updateEditContextFormatting(e);let n=-1;this.view.inputState.composing>=0&&!this.view.observer.editContext&&(this.domChanged?.newSel?n=this.domChanged.newSel.head:!fu(e.changes,this.hasComposition)&&!e.selectionSet&&(n=e.state.selection.main.head));let i=n>-1?lu(this.view,e.changes,n):null;if(this.domChanged=null,this.hasComposition){let{from:u,to:h}=this.hasComposition;t=new he(u,h,e.changes.mapPos(u,-1),e.changes.mapPos(h,1)).addToSet(t.slice())}this.hasComposition=i?{from:i.range.fromB,to:i.range.toB}:null,(S.ie||S.chrome)&&!i&&e&&e.state.doc.lines!=e.startState.doc.lines&&(this.forceSelection=!0);let o=this.decorations,s=this.blockWrappers;this.updateDeco();let l=uu(o,this.decorations,e.changes);l.length&&(t=he.extendWithRanges(t,l));let a=hu(s,this.blockWrappers,e.changes);return a.length&&(t=he.extendWithRanges(t,a)),i&&!t.some(u=>u.fromA<=i.range.fromA&&u.toA>=i.range.toA)&&(t=i.range.addToSet(t.slice())),this.tile.flags&2&&t.length==0?!1:(this.updateInner(t,i),e.transactions.length&&(this.lastUpdate=Date.now()),!0)}updateInner(e,t){this.view.viewState.mustMeasureContent=!0;let{observer:n}=this.view;n.ignore(()=>{if(t||e.length){let s=this.tile,l=new xr(this.view,s,this.blockWrappers,this.decorations,this.dynamicDecorationMap);t&&O.get(t.text)&&l.cache.reused.set(O.get(t.text),2),this.tile=l.run(e,t),io(s,l.cache.reused)}this.tile.dom.style.height=this.view.viewState.contentHeight/this.view.scaleY+"px",this.tile.dom.style.flexBasis=this.minWidth?this.minWidth+"px":"";let o=S.chrome||S.ios?{node:n.selectionRange.focusNode,written:!1}:void 0;this.tile.sync(o),o&&(o.written||n.selectionRange.focusNode!=o.node||!this.tile.dom.contains(o.node))&&(this.forceSelection=!0),this.tile.dom.style.height=""});let i=[];if(this.view.viewport.from||this.view.viewport.to<this.view.state.doc.length)for(let o of this.tile.children)o.isWidget()&&o.widget instanceof mn&&i.push(o.dom);n.updateGaps(i)}updateEditContextFormatting(e){this.editContextFormatting=this.editContextFormatting.map(e.changes);for(let t of e.transactions)for(let n of t.effects)n.is(mr)&&(this.editContextFormatting=n.value)}updateSelection(e=!1,t=!1){(e||!this.view.observer.selectionRange.focusNode)&&this.view.observer.readSelectionRange();let{dom:n}=this.tile,i=this.view.root.activeElement,o=i==n,s=!o&&!(this.view.state.facet(ce)||n.tabIndex>-1)&&Ye(n,this.view.observer.selectionRange)&&!(i&&n.contains(i));if(!(o||t||s))return;let l=this.forceSelection;this.forceSelection=!1;let a=this.view.state.selection.main,u,h;if(a.empty?h=u=this.inlineDOMNearPos(a.anchor,a.assoc||1):(h=this.inlineDOMNearPos(a.head,a.head==a.from?1:-1),u=this.inlineDOMNearPos(a.anchor,a.anchor==a.from?1:-1)),S.gecko&&a.empty&&!this.hasComposition&&su(u)){let f=document.createTextNode("");this.view.observer.ignore(()=>u.node.insertBefore(f,u.node.childNodes[u.offset]||null)),u=h=new ue(f,0),l=!0}let c=this.view.observer.selectionRange;(l||!c.focusNode||(!bt(u.node,u.offset,c.anchorNode,c.anchorOffset)||!bt(h.node,h.offset,c.focusNode,c.focusOffset))&&!this.suppressWidgetCursorChange(c,a))&&(this.view.observer.ignore(()=>{S.android&&S.chrome&&n.contains(c.focusNode)&&cu(c.focusNode,n)&&(n.blur(),n.focus({preventScroll:!0}));let f=$e(this.view.root);if(f)if(a.empty){if(S.gecko){let m=au(u.node,u.offset);if(m&&m!=3){let d=(m==1?Vi:Hi)(u.node,u.offset);d&&(u=new ue(d.node,d.offset))}}f.collapse(u.node,u.offset),a.bidiLevel!=null&&f.caretBidiLevel!==void 0&&(f.caretBidiLevel=a.bidiLevel)}else if(f.extend){f.collapse(u.node,u.offset);try{f.extend(h.node,h.offset)}catch{}}else{let m=document.createRange();a.anchor>a.head&&([u,h]=[h,u]),m.setEnd(h.node,h.offset),m.setStart(u.node,u.offset),f.removeAllRanges(),f.addRange(m)}s&&this.view.root.activeElement==n&&(n.blur(),i&&i.focus())}),this.view.observer.setSelectionRange(u,h)),this.impreciseAnchor=u.precise?null:new ue(c.anchorNode,c.anchorOffset),this.impreciseHead=h.precise?null:new ue(c.focusNode,c.focusOffset)}suppressWidgetCursorChange(e,t){return this.hasComposition&&t.empty&&bt(e.focusNode,e.focusOffset,e.anchorNode,e.anchorOffset)&&this.posFromDOM(e.focusNode,e.focusOffset)==t.head}enforceCursorAssoc(){if(this.hasComposition)return;let{view:e}=this,t=e.state.selection.main,n=$e(e.root),{anchorNode:i,anchorOffset:o}=e.observer.selectionRange;if(!n||!t.empty||!t.assoc||!n.modify)return;let s=this.lineAt(t.head,t.assoc);if(!s)return;let l=s.posAtStart;if(t.head==l||t.head==l+s.length)return;let a=this.coordsAt(t.head,-1),u=this.coordsAt(t.head,1);if(!a||!u||a.bottom>u.top)return;let h=this.domAtPos(t.head+t.assoc,t.assoc);n.collapse(h.node,h.offset),n.modify("move",t.assoc<0?"forward":"backward","lineboundary"),e.observer.readSelectionRange();let c=e.observer.selectionRange;e.docView.posFromDOM(c.anchorNode,c.anchorOffset)!=t.from&&n.collapse(i,o)}posFromDOM(e,t){let n=this.tile.nearest(e);if(!n)return this.tile.dom.compareDocumentPosition(e)&2?0:this.view.state.doc.length;let i=n.posAtStart;if(n.isComposite()){let o;if(e==n.dom)o=n.dom.childNodes[t];else{let s=ae(e)==0?0:t==0?-1:1;for(;;){let l=e.parentNode;if(l==n.dom)break;s==0&&l.firstChild!=l.lastChild&&(e==l.firstChild?s=-1:s=1),e=l}s<0?o=e:o=e.nextSibling}if(o==n.dom.firstChild)return i;for(;o&&!O.get(o);)o=o.nextSibling;if(!o)return i+n.length;for(let s=0,l=i;;s++){let a=n.children[s];if(a.dom==o)return l;l+=a.length+a.breakAfter}}else return n.isText()?e==n.dom?i+t:i+(t?n.length:0):i}domAtPos(e,t){let{tile:n,offset:i}=this.tile.resolveBlock(e,t);return n.isWidget()?n.domPosFor(e,t):n.domIn(i,t)}inlineDOMNearPos(e,t){let n,i=-1,o=!1,s,l=-1,a=!1;return this.tile.blockTiles((u,h)=>{if(u.isWidget()){if(u.flags&32&&h>=e)return!0;u.flags&16&&(o=!0)}else{let c=h+u.length;if(h<=e&&(n=u,i=e-h,o=c<e),c>=e&&!s&&(s=u,l=e-h,a=h>e),h>e&&s)return!0}}),!n&&!s?this.domAtPos(e,t):(o&&s?n=null:a&&n&&(s=null),n&&t<0||!s?n.domIn(i,t):s.domIn(l,t))}coordsAt(e,t){let{tile:n,offset:i}=this.tile.resolveBlock(e,t);return n.isWidget()?n.widget instanceof mn?null:n.coordsInWidget(i,t,!0):n.coordsIn(i,t)}lineAt(e,t){let{tile:n}=this.tile.resolveBlock(e,t);return n.isLine()?n:null}coordsForChar(e){let{tile:t,offset:n}=this.tile.resolveBlock(e,1);if(!t.isLine())return null;function i(o,s){if(o.isComposite())for(let l of o.children){if(l.length>=s){let a=i(l,s);if(a)return a}if(s-=l.length,s<0)break}else if(o.isText()&&s<o.length){let l=z(o.text,s);if(l==s)return null;let a=Xe(o.dom,s,l).getClientRects();for(let u=0;u<a.length;u++){let h=a[u];if(u==a.length-1||h.top<h.bottom&&h.left<h.right)return h}}return null}return i(t,n)}measureVisibleLineHeights(e){let t=[],{from:n,to:i}=e,o=this.view.contentDOM.clientWidth,s=o>Math.max(this.view.scrollDOM.clientWidth,this.minWidth)+1,l=-1,a=this.view.textDirection==0,u=0,h=(c,f,m)=>{for(let d=0;d<c.children.length&&!(f>i);d++){let p=c.children[d],g=f+p.length,b=p.dom.getBoundingClientRect(),{height:C}=b;if(m&&!d&&(u+=b.top-m.top),p instanceof ve)g>n&&h(p,f,b);else if(f>=n&&(u>0&&t.push(-u),t.push(C+u),u=0,s)){let v=p.dom.lastChild,M=v?Ht(v):[];if(M.length){let w=M[M.length-1],x=a?w.right-b.left:b.right-w.left;x>l&&(l=x,this.minWidth=o,this.minWidthFrom=f,this.minWidthTo=g)}}m&&d==c.children.length-1&&(u+=m.bottom-b.bottom),f=g+p.breakAfter}};return h(this.tile,0,null),t}textDirectionAt(e){let{tile:t}=this.tile.resolveBlock(e,1);return getComputedStyle(t.dom).direction=="rtl"?1:0}measureTextSize(){let e=this.tile.blockTiles(s=>{if(s.isLine()&&s.children.length&&s.length<=20){let l=0,a;for(let u of s.children){if(!u.isText()||/[^ -~]/.test(u.text))return;let h=Ht(u.dom);if(h.length!=1)return;l+=h[0].width,a=h[0].height}if(l)return{lineHeight:s.dom.getBoundingClientRect().height,charWidth:l/s.length,textHeight:a}}});if(e)return e;let t=document.createElement("div"),n,i,o;return t.className="cm-line",t.style.width="99999px",t.style.position="absolute",t.textContent="abc def ghi jkl mno pqr stu",this.view.observer.ignore(()=>{this.tile.dom.appendChild(t);let s=Ht(t.firstChild)[0];n=t.getBoundingClientRect().height,i=s&&s.width?s.width/27:7,o=s&&s.height?s.height:n,t.remove()}),{lineHeight:n,charWidth:i,textHeight:o}}computeBlockGapDeco(){let e=[],t=this.view.viewState;for(let n=0,i=0;;i++){let o=i==t.viewports.length?null:t.viewports[i],s=o?o.from-1:this.view.state.doc.length;if(s>n){let l=(t.lineBlockAt(s).bottom-t.lineBlockAt(n).top)/this.view.scaleY;e.push(V.replace({widget:new mn(l),block:!0,inclusive:!0,isBlockGap:!0}).range(n,s))}if(!o)break;n=o.to+1}return V.set(e)}updateDeco(){let e=1,t=this.view.state.facet(St).map(o=>(this.dynamicDecorationMap[e++]=typeof o=="function")?o(this.view):o),n=!1,i=this.view.state.facet(Ut).map((o,s)=>{let l=typeof o=="function";return l&&(n=!0),l?o(this.view):o});for(i.length&&(this.dynamicDecorationMap[e++]=n,t.push(N.join(i))),this.decorations=[this.editContextFormatting,...t,this.computeBlockGapDeco(),this.view.viewState.lineGapDeco];e<this.decorations.length;)this.dynamicDecorationMap[e++]=!1;this.blockWrappers=this.view.state.facet(pr).map(o=>typeof o=="function"?o(this.view):o)}scrollIntoView(e){if(e.isSnapshot){let u=this.view.viewState.lineBlockAt(e.range.head);this.view.scrollDOM.scrollTop=u.top-e.yMargin,this.view.scrollDOM.scrollLeft=e.xMargin;return}for(let u of this.view.state.facet(dr))try{if(u(this.view,e.range,e))return!0}catch(h){_(this.view.state,h,"scroll handler")}let{range:t}=e,n=this.coordsAt(t.head,t.assoc??(t.empty?0:t.head>t.anchor?-1:1)),i;if(!n)return;!t.empty&&(i=this.coordsAt(t.anchor,t.anchor>t.head?-1:1))&&(n={left:Math.min(n.left,i.left),top:Math.min(n.top,i.top),right:Math.max(n.right,i.right),bottom:Math.max(n.bottom,i.bottom)});let o=gr(this.view),s={left:n.left-o.left,top:n.top-o.top,right:n.right+o.right,bottom:n.bottom+o.bottom},{offsetWidth:l,offsetHeight:a}=this.view.scrollDOM;if(Es(this.view.scrollDOM,s,t.head<t.anchor?-1:1,e.x,e.y,Math.max(Math.min(e.xMargin,l),-l),Math.max(Math.min(e.yMargin,a),-a),this.view.textDirection==0),window.visualViewport&&window.innerHeight-window.visualViewport.height>1&&(n.top>window.pageYOffset+window.visualViewport.offsetTop+window.visualViewport.height||n.bottom<window.pageYOffset+window.visualViewport.offsetTop)){let u=this.view.docView.lineAt(t.head,1);u&&u.dom.scrollIntoView({block:"nearest"})}}lineHasWidget(e){let t=n=>n.isWidget()||n.children.some(t);return t(this.tile.resolveBlock(e,1).tile)}destroy(){io(this.tile)}};function io(r,e){let t=e?.get(r);if(t!=1){t==null&&r.destroy();for(let n of r.children)io(n,e)}}function su(r){return r.node.nodeType==1&&r.node.firstChild&&(r.offset==0||r.node.childNodes[r.offset-1].contentEditable=="false")&&(r.offset==r.node.childNodes.length||r.node.childNodes[r.offset].contentEditable=="false")}function lo(r,e){let t=r.observer.selectionRange;if(!t.focusNode)return null;let n=Vi(t.focusNode,t.focusOffset),i=Hi(t.focusNode,t.focusOffset),o=n||i;if(i&&n&&i.node!=n.node){let l=O.get(i.node);if(!l||l.isText()&&l.text!=i.node.nodeValue)o=i;else if(r.docView.lastCompositionAfterCursor){let a=O.get(n.node);!a||a.isText()&&a.text!=n.node.nodeValue||(o=i)}}if(r.docView.lastCompositionAfterCursor=o!=n,!o)return null;let s=e-o.offset;return{from:s,to:s+o.node.nodeValue.length,node:o.node}}function lu(r,e,t){let n=lo(r,t);if(!n)return null;let{node:i,from:o,to:s}=n,l=i.nodeValue;if(/[\n\r]/.test(l)||r.state.doc.sliceString(n.from,n.to)!=l)return null;let a=e.invertedDesc;return{range:new he(a.mapPos(o),a.mapPos(s),o,s),text:i}}function au(r,e){return r.nodeType!=1?0:(e&&r.childNodes[e-1].contentEditable=="false"?1:0)|(e<r.childNodes.length&&r.childNodes[e].contentEditable=="false"?2:0)}var oo=class{constructor(){this.changes=[]}compareRange(e,t){Je(e,t,this.changes)}comparePoint(e,t){Je(e,t,this.changes)}boundChange(e){Je(e,e,this.changes)}};function uu(r,e,t){let n=new oo;return N.compare(r,e,t,n),n.changes}var so=class{constructor(){this.changes=[]}compareRange(e,t){Je(e,t,this.changes)}comparePoint(){}boundChange(e){Je(e,e,this.changes)}};function hu(r,e,t){let n=new so;return N.compare(r,e,t,n),n.changes}function cu(r,e){for(let t=r;t&&t!=e;t=t.assignedSlot||t.parentNode)if(t.nodeType==1&&t.contentEditable=="false")return!0;return!1}function fu(r,e){let t=!1;return e&&r.iterChangedRanges((n,i)=>{n<e.to&&i>e.from&&(t=!0)}),t}var mn=class extends ke{constructor(t){super();this.height=t}toDOM(){let t=document.createElement("div");return t.className="cm-gap",this.updateDOM(t),t}eq(t){return t.height==this.height}updateDOM(t){return t.style.height=this.height+"px",!0}get editable(){return!0}get estimatedHeight(){return this.height}ignoreEvent(){return!1}};function Fs(r,e,t=1){let n=r.charCategorizer(e),i=r.doc.lineAt(e),o=e-i.from;if(i.length==0)return y.cursor(e);o==0?t=1:o==i.length&&(t=-1);let s=o,l=o;t<0?s=z(i.text,o,!1):l=z(i.text,o);let a=n(i.text.slice(s,l));for(;s>0;){let u=z(i.text,s,!1);if(n(i.text.slice(u,s))!=a)break;s=u}for(;l<i.length;){let u=z(i.text,l);if(n(i.text.slice(l,u))!=a)break;l=u}return y.range(s+i.from,l+i.from)}function du(r,e,t,n,i){let o=Math.round((n-e.left)*r.defaultCharacterWidth);if(r.lineWrapping&&t.height>r.defaultLineHeight*1.5){let l=r.viewState.heightOracle.textHeight,a=Math.floor((i-t.top-(r.defaultLineHeight-l)*.5)/l);o+=a*r.viewState.heightOracle.lineLength}let s=r.state.sliceDoc(t.from,t.to);return t.from+Ei(s,o,r.state.tabSize)}function Tr(r,e,t){let n=r.lineBlockAt(e);if(Array.isArray(n.type)){let i;for(let o of n.type){if(o.from>e)break;if(!(o.to<e)){if(o.from<e&&o.to>e)return o;(!i||o.type==0&&(i.type!=o.type||(t<0?o.from<e:o.to>e)))&&(i=o)}}return i||n}return n}function Ws(r,e,t,n){let i=Tr(r,e.head,e.assoc||-1),o=!n||i.type!=0||!(r.lineWrapping||i.widgetLineBreaks)?null:r.coordsAtPos(e.assoc<0&&e.head>i.from?e.head-1:e.head);if(o){let s=r.dom.getBoundingClientRect(),l=r.textDirectionAt(i.from),a=r.posAtCoords({x:t==(l==0)?s.right-1:s.left+1,y:(o.top+o.bottom)/2});if(a!=null)return y.cursor(a,t?-1:1)}return y.cursor(t?i.to:i.from,t?-1:1)}function uo(r,e,t,n){let i=r.state.doc.lineAt(e.head),o=r.bidiSpans(i),s=r.textDirectionAt(i.from);for(let l=e,a=null;;){let u=Ls(i,o,s,l,t),h=Gi;if(!u){if(i.number==(t?r.state.doc.lines:1))return l;h=`
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jt(r,e,t){for(;;){let n=0;for(let i of r)i.between(e-1,e+1,(o,s,l)=>{if(e>o&&e<s){let a=n||t||(e-o<s-e?-1:1);e=a<0?o:s,n=a}});if(!n)return e}}function wr(r,e){let t=null;for(let n=0;n<e.ranges.length;n++){let i=e.ranges[n],o=null;if(i.empty){let s=jt(r,i.from,0);s!=i.from&&(o=y.cursor(s,-1))}else{let s=jt(r,i.from,-1),l=jt(r,i.to,1);(s!=i.from||l!=i.to)&&(o=y.range(i.from==i.anchor?s:l,i.from==i.head?s:l))}o&&(t||(t=e.ranges.slice()),t[n]=o)}return t?y.create(t,e.mainIndex):e}function Cr(r,e,t){let n=jt(r.state.facet(ze).map(i=>i(r)),t.from,e.head>t.from?-1:1);return n==t.from?t:y.cursor(n,n<t.from?1:-1)}var be=class{constructor(e,t){this.pos=e;this.assoc=t}};function kr(r,e,t,n){let i=r.contentDOM.getBoundingClientRect(),o=i.top+r.viewState.paddingTop,{x:s,y:l}=e,a=l-o,u;for(;;){if(a<0)return new be(0,1);if(a>r.viewState.docHeight)return new be(r.state.doc.length,-1);if(u=r.elementAtHeight(a),n==null)break;if(u.type==0){if(n<0?u.to<r.viewport.from:u.from>r.viewport.to)break;let f=r.docView.coordsAt(n<0?u.from:u.to,n>0?-1:1);if(f&&(n<0?f.top<=a+o:f.bottom>=a+o))break}let c=r.viewState.heightOracle.textHeight/2;a=n>0?u.bottom+c:u.top-c}if(r.viewport.from>=u.to||r.viewport.to<=u.from){if(t)return null;if(u.type==0){let c=du(r,i,u,s,l);return new be(c,c==u.from?1:-1)}}if(u.type!=0)return a<(u.top+u.bottom)/2?new be(u.from,1):new be(u.to,-1);let h=r.docView.lineAt(u.from,2);return(!h||h.length!=u.length)&&(h=r.docView.lineAt(u.from,-2)),new ao(r,s,l,r.textDirectionAt(u.from)).scanTile(h,u.from)}var ao=class{constructor(e,t,n,i){this.view=e;this.x=t;this.y=n;this.baseDir=i;this.line=null;this.spans=null}bidiSpansAt(e){return(!this.line||this.line.from>e||this.line.to<e)&&(this.line=this.view.state.doc.lineAt(e),this.spans=this.view.bidiSpans(this.line)),this}baseDirAt(e,t){let{line:n,spans:i}=this.bidiSpansAt(e);return i[te.find(i,e-n.from,-1,t)].level==this.baseDir}dirAt(e,t){let{line:n,spans:i}=this.bidiSpansAt(e);return i[te.find(i,e-n.from,-1,t)].dir}bidiIn(e,t){let{spans:n,line:i}=this.bidiSpansAt(e);return n.length>1||n.length&&(n[0].level!=this.baseDir||n[0].to+i.from<t)}scan(e,t){let n=0,i=e.length-1,o=new Set,s=this.bidiIn(e[0],e[i]),l,a,u=-1,h=1e9,c;e:for(;n<i;){let m=i-n,d=n+i>>1;t:if(o.has(d)){let g=n+Math.floor(Math.random()*m);for(let b=0;b<m;b++){if(!o.has(g)){d=g;break t}g++,g==i&&(g=n)}break e}o.add(d);let p=t(d);if(p)for(let g=0;g<p.length;g++){let b=p[g],C=0;if(!(b.width==0&&p.length>1)){if(b.bottom<this.y)(!l||l.bottom<b.bottom)&&(l=b),C=1;else if(b.top>this.y)(!a||a.top>b.top)&&(a=b),C=-1;else{let v=b.left>this.x?this.x-b.left:b.right<this.x?this.x-b.right:0,M=Math.abs(v);M<h&&(u=d,h=M,c=b),v&&(C=v<0==(this.baseDir==0)?-1:1)}C==-1&&(!s||this.baseDirAt(e[d],1))?i=d:C==1&&(!s||this.baseDirAt(e[d+1],-1))&&(n=d+1)}}}if(!c){let m=l&&(!a||this.y-l.bottom<a.top-this.y)?l:a;return this.y=(m.top+m.bottom)/2,this.scan(e,t)}if(h){if(l&&l.bottom>c.top)return this.y=l.bottom-1,this.scan(e,t);if(a&&a.top<c.bottom)return this.y=a.top+1,this.scan(e,t)}let f=(s?this.dirAt(e[u],1):this.baseDir)==0;return{i:u,after:this.x>(c.left+c.right)/2==f}}scanText(e,t){let n=[];for(let o=0;o<e.length;o=z(e.text,o))n.push(t+o);n.push(t+e.length);let i=this.scan(n,o=>{let s=n[o]-t,l=n[o+1]-t;return Xe(e.dom,s,l).getClientRects()});return i.after?new be(n[i.i+1],-1):new be(n[i.i],1)}scanTile(e,t){if(!e.length)return new be(t,1);if(e.children.length==1){let l=e.children[0];if(l.isText())return this.scanText(l,t);if(l.isComposite())return this.scanTile(l,t)}let n=[t];for(let l=0,a=t;l<e.children.length;l++)n.push(a+=e.children[l].length);let i=this.scan(n,l=>{let a=e.children[l];return a.flags&48?null:(a.dom.nodeType==1?a.dom:Xe(a.dom,0,a.length)).getClientRects()}),o=e.children[i.i],s=n[i.i];return o.isText()?this.scanText(o,s):o.isComposite()?this.scanTile(o,s):i.after?new be(n[i.i+1],-1):new be(s,1)}};var kt="\uFFFF",vr=class{constructor(e,t){this.points=e;this.view=t;this.text="";this.lineSeparator=t.state.facet(j.lineSeparator)}append(e){this.text+=e}lineBreak(){this.text+=kt}readRange(e,t){if(!e)return this;let n=e.parentNode;for(let i=e;;){this.findPointBefore(n,i);let o=this.text.length;this.readNode(i);let s=O.get(i),l=i.nextSibling;if(l==t){s?.breakAfter&&!l&&n!=this.view.contentDOM&&this.lineBreak();break}let a=O.get(l);(s&&a?s.breakAfter:(s?s.breakAfter:un(i))||un(l)&&(i.nodeName!="BR"||s?.isWidget())&&this.text.length>o)&&!pu(l,t)&&this.lineBreak(),i=l}return this.findPointBefore(n,t),this}readTextNode(e){let t=e.nodeValue;for(let n of this.points)n.node==e&&(n.pos=this.text.length+Math.min(n.offset,t.length));for(let n=0,i=this.lineSeparator?null:/\r\n?|\n/g;;){let o=-1,s=1,l;if(this.lineSeparator?(o=t.indexOf(this.lineSeparator,n),s=this.lineSeparator.length):(l=i.exec(t))&&(o=l.index,s=l[0].length),this.append(t.slice(n,o<0?t.length:o)),o<0)break;if(this.lineBreak(),s>1)for(let a of this.points)a.node==e&&a.pos>this.text.length&&(a.pos-=s-1);n=o+s}}readNode(e){let t=O.get(e),n=t&&t.overrideDOMText;if(n!=null){this.findPointInside(e,n.length);for(let i=n.iter();!i.next().done;)i.lineBreak?this.lineBreak():this.append(i.value)}else e.nodeType==3?this.readTextNode(e):e.nodeName=="BR"?e.nextSibling&&this.lineBreak():e.nodeType==1&&this.readRange(e.firstChild,null)}findPointBefore(e,t){for(let n of this.points)n.node==e&&e.childNodes[n.offset]==t&&(n.pos=this.text.length)}findPointInside(e,t){for(let n of this.points)(e.nodeType==3?n.node==e:e.contains(n.node))&&(n.pos=this.text.length+(mu(e,n.node,n.offset)?t:0))}};function mu(r,e,t){for(;;){if(!e||t<ae(e))return!1;if(e==r)return!0;t=Ve(e)+1,e=e.parentNode}}function pu(r,e){let t;for(;!(r==e||!r);r=r.nextSibling){let n=O.get(r);if(!n?.isWidget())return!1;n&&(t||(t=[])).push(n)}if(t){for(let n of t)if(n.overrideDOMText?.length)return!1}return!0}var gn=class{constructor(e,t){this.node=e;this.offset=t;this.pos=-1}};var Mr=class{constructor(e,t,n,i){this.typeOver=i;this.bounds=null;this.text="";this.domChanged=t>-1;let{impreciseHead:o,impreciseAnchor:s}=e.docView,l=e.state.selection;if(e.state.readOnly&&t>-1)this.newSel=null;else if(t>-1&&(this.bounds=Us(e.docView.tile,t,n,0))){let a=o||s?[]:bu(e),u=new vr(a,e);u.readRange(this.bounds.startDOM,this.bounds.endDOM),this.text=u.text,this.newSel=yu(a,this.bounds.from)}else{let a=e.observer.selectionRange,u=o&&o.node==a.focusNode&&o.offset==a.focusOffset||!nr(e.contentDOM,a.focusNode)?l.main.head:e.docView.posFromDOM(a.focusNode,a.focusOffset),h=s&&s.node==a.anchorNode&&s.offset==a.anchorOffset||!nr(e.contentDOM,a.anchorNode)?l.main.anchor:e.docView.posFromDOM(a.anchorNode,a.anchorOffset),c=e.viewport;if((S.ios||S.chrome)&&l.main.empty&&u!=h&&(c.from>0||c.to<e.state.doc.length)){let f=Math.min(u,h),m=Math.max(u,h),d=c.from-f,p=c.to-m;(d==0||d==1||f==0)&&(p==0||p==-1||m==e.state.doc.length)&&(u=0,h=e.state.doc.length)}if(e.inputState.composing>-1&&l.ranges.length>1)this.newSel=l.replaceRange(y.range(h,u));else if(e.lineWrapping&&h==u&&!(l.main.empty&&l.main.head==u)&&e.inputState.lastTouchTime>Date.now()-100){let f=e.coordsAtPos(u,-1),m=0;f&&(m=e.inputState.lastTouchY<=f.bottom?-1:1),this.newSel=y.create([y.cursor(u,m)])}else this.newSel=y.single(h,u)}}};function Us(r,e,t,n){if(r.isComposite()){let i=-1,o=-1,s=-1,l=-1;for(let a=0,u=n,h=n;a<r.children.length;a++){let c=r.children[a],f=u+c.length;if(u<e&&f>t)return Us(c,e,t,u);if(f>=e&&i==-1&&(i=a,o=u),u>t&&c.dom.parentNode==r.dom){s=a,l=h;break}h=f,u=f+c.breakAfter}return{from:o,to:l<0?n+r.length:l,startDOM:(i?r.children[i-1].dom.nextSibling:null)||r.dom.firstChild,endDOM:s<r.children.length&&s>=0?r.children[s].dom:null}}else return r.isText()?{from:n,to:n+r.length,startDOM:r.dom,endDOM:r.dom.nextSibling}:null}function Er(r,e){let t,{newSel:n}=e,{state:i}=r,o=i.selection.main,s=r.inputState.lastKeyTime>Date.now()-100?r.inputState.lastKeyCode:-1;if(e.bounds){let{from:l,to:a}=e.bounds,u=o.from,h=null;(s===8||S.android&&e.text.length<a-l)&&(u=o.to,h="end");let c=i.doc.sliceString(l,a,kt),f,m;!o.empty&&o.from>=l&&o.to<=a&&(e.typeOver||c!=e.text)&&c.slice(0,o.from-l)==e.text.slice(0,o.from-l)&&c.slice(o.to-l)==e.text.slice(f=e.text.length-(c.length-(o.to-l)))?t={from:o.from,to:o.to,insert:A.of(e.text.slice(o.from-l,f).split(kt))}:(m=ho(c,e.text,u-l,h))&&(S.chrome&&s==13&&m.toB==m.from+2&&e.text.slice(m.from,m.toB)==kt+kt&&m.toB--,t={from:l+m.from,to:l+m.toA,insert:A.of(e.text.slice(m.from,m.toB).split(kt))})}else n&&(!r.hasFocus&&i.facet(ce)||bn(n,o))&&(n=null);if(!t&&!n)return!1;if((S.mac||S.android)&&t&&t.from==t.to&&t.from==o.head-1&&/^\. ?$/.test(t.insert.toString())&&r.contentDOM.getAttribute("autocorrect")=="off"?(n&&t.insert.length==2&&(n=y.single(n.main.anchor-1,n.main.head-1)),t={from:t.from,to:t.to,insert:A.of([t.insert.toString().replace("."," ")])}):i.doc.lineAt(o.from).to<o.to&&r.docView.lineHasWidget(o.to)&&r.inputState.insertingTextAt>Date.now()-50?t={from:o.from,to:o.to,insert:i.toText(r.inputState.insertingText)}:S.chrome&&t&&t.from==t.to&&t.from==o.head&&t.insert.toString()==`
      9  `&&r.lineWrapping&&(n&&(n=y.single(n.main.anchor-1,n.main.head-1)),t={from:o.from,to:o.to,insert:A.of([" "])}),t)return yn(r,t,n,s);if(n&&!bn(n,o)){let l=!1,a="select";return r.inputState.lastSelectionTime>Date.now()-50&&(r.inputState.lastSelectionOrigin=="select"&&(l=!0),a=r.inputState.lastSelectionOrigin,a=="select.pointer"&&(n=wr(i.facet(ze).map(u=>u(r)),n))),r.dispatch({selection:n,scrollIntoView:l,userEvent:a}),!0}else return!1}function yn(r,e,t,n=-1){if(S.ios&&r.inputState.flushIOSKey(e))return!0;let i=r.state.selection.main;if(S.android&&(e.to==i.to&&(e.from==i.from||e.from==i.from-1&&r.state.sliceDoc(e.from,i.from)==" ")&&e.insert.length==1&&e.insert.lines==2&&He(r.contentDOM,"Enter",13)||(e.from==i.from-1&&e.to==i.to&&e.insert.length==0||n==8&&e.insert.length<e.to-e.from&&e.to>i.head)&&He(r.contentDOM,"Backspace",8)||e.from==i.from&&e.to==i.to+1&&e.insert.length==0&&He(r.contentDOM,"Delete",46)))return!0;let o=e.insert.toString();r.inputState.composing>=0&&r.inputState.composing++;let s,l=()=>s||(s=gu(r,e,t));return r.state.facet(hr).some(a=>a(r,e.from,e.to,o,l))||r.dispatch(l()),!0}function gu(r,e,t){let n,i=r.state,o=i.selection.main,s=-1;if(e.from==e.to&&e.from<o.from||e.from>o.to){let a=e.from<o.from?-1:1,u=a<0?o.from:o.to,h=jt(i.facet(ze).map(c=>c(r)),u,a);e.from==h&&(s=h)}if(s>-1)n={changes:e,selection:y.cursor(e.from+e.insert.length,-1)};else if(e.from>=o.from&&e.to<=o.to&&e.to-e.from>=(o.to-o.from)/3&&(!t||t.main.empty&&t.main.from==e.from+e.insert.length)&&r.inputState.composing<0){let a=o.from<e.from?i.sliceDoc(o.from,e.from):"",u=o.to>e.to?i.sliceDoc(e.to,o.to):"";n=i.replaceSelection(r.state.toText(a+e.insert.sliceString(0,void 0,r.state.lineBreak)+u))}else{let a=i.changes(e),u=t&&t.main.to<=a.newLength?t.main:void 0;if(i.selection.ranges.length>1&&(r.inputState.composing>=0||r.inputState.compositionPendingChange)&&e.to<=o.to+10&&e.to>=o.to-10){let h=r.state.sliceDoc(e.from,e.to),c,f=t&&lo(r,t.main.head);if(f){let d=e.insert.length-(e.to-e.from);c={from:f.from,to:f.to-d}}else c=r.state.doc.lineAt(o.head);let m=o.to-e.to;n=i.changeByRange(d=>{if(d.from==o.from&&d.to==o.to)return{changes:a,range:u||d.map(a)};let p=d.to-m,g=p-h.length;if(r.state.sliceDoc(g,p)!=h||p>=c.from&&g<=c.to)return{range:d};let b=i.changes({from:g,to:p,insert:e.insert}),C=d.to-o.to;return{changes:b,range:u?y.range(Math.max(0,u.anchor+C),Math.max(0,u.head+C)):d.map(b)}})}else n={changes:a,selection:u&&i.selection.replaceRange(u)}}let l="input.type";return(r.composing||r.inputState.compositionPendingChange&&r.inputState.compositionEndedAt>Date.now()-50)&&(r.inputState.compositionPendingChange=!1,l+=".compose",r.inputState.compositionFirstChange&&(l+=".start",r.inputState.compositionFirstChange=!1)),i.update(n,{userEvent:l,scrollIntoView:!0})}function ho(r,e,t,n){let i=Math.min(r.length,e.length),o=0;for(;o<i&&r.charCodeAt(o)==e.charCodeAt(o);)o++;if(o==i&&r.length==e.length)return null;let s=r.length,l=e.length;for(;s>0&&l>0&&r.charCodeAt(s-1)==e.charCodeAt(l-1);)s--,l--;if(n=="end"){let a=Math.max(0,o-Math.min(s,l));t-=s+a-o}if(s<o&&r.length<e.length){let a=t<=o&&t>=s?o-t:0;o-=a,l=o+(l-s),s=o}else if(l<o){let a=t<=o&&t>=l?o-t:0;o-=a,s=o+(s-l),l=o}return{from:o,toA:s,toB:l}}function bu(r){let e=[];if(r.root.activeElement!=r.contentDOM)return e;let{anchorNode:t,anchorOffset:n,focusNode:i,focusOffset:o}=r.observer.selectionRange;return t&&(e.push(new gn(t,n)),(i!=t||o!=n)&&e.push(new gn(i,o))),e}function yu(r,e){if(r.length==0)return null;let t=r[0].pos,n=r.length==2?r[1].pos:t;return t>-1&&n>-1?y.single(t+e,n+e):null}function bn(r,e){return e.head==r.main.head&&e.anchor==r.main.anchor}var Br=class{constructor(e){this.view=e;this.lastKeyCode=0;this.lastKeyTime=0;this.lastTouchTime=0;this.lastTouchX=0;this.lastTouchY=0;this.lastFocusTime=0;this.lastScrollTop=0;this.lastScrollLeft=0;this.lastWheelEvent=0;this.pendingIOSKey=void 0;this.tabFocusMode=-1;this.lastSelectionOrigin=null;this.lastSelectionTime=0;this.lastContextMenu=0;this.scrollHandlers=[];this.handlers=Object.create(null);this.composing=-1;this.compositionFirstChange=null;this.compositionEndedAt=0;this.compositionPendingKey=!1;this.compositionPendingChange=!1;this.insertingText="";this.insertingTextAt=0;this.mouseSelection=null;this.draggedContent=null;this.handleEvent=this.handleEvent.bind(this),this.notifiedFocused=e.hasFocus,S.safari&&e.contentDOM.addEventListener("input",()=>null),S.gecko&&Ou(e.contentDOM.ownerDocument)}setSelectionOrigin(e){this.lastSelectionOrigin=e,this.lastSelectionTime=Date.now()}handleEvent(e){!vu(this.view,e)||this.ignoreDuringComposition(e)||e.type=="keydown"&&this.keydown(e)||(this.view.updateState!=0?Promise.resolve().then(()=>this.runHandlers(e.type,e)):this.runHandlers(e.type,e))}runHandlers(e,t){let n=this.handlers[e];if(n){for(let i of n.observers)i(this.view,t);for(let i of 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S.ios&&!e.synthetic&&!e.altKey&&!e.metaKey&&!e.shiftKey&&((t=Qs.find(n=>n.keyCode==e.keyCode))&&!e.ctrlKey||Su.indexOf(e.key)>-1&&e.ctrlKey)?(this.pendingIOSKey=t||e,setTimeout(()=>this.flushIOSKey(),250),!0):(e.keyCode!=229&&this.view.observer.forceFlush(),!1)}flushIOSKey(e){let t=this.pendingIOSKey;return!t||t.key=="Enter"&&e&&e.from<e.to&&/^\S+$/.test(e.insert.toString())?!1:(this.pendingIOSKey=void 0,He(this.view.contentDOM,t.key,t.keyCode,t instanceof KeyboardEvent?t:void 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this.spaceAbove?this.blockAt(0,i,o,s).join(l):l}forEachLine(t,n,i,o,s,l){t<=s+this.length&&n>=s&&l(this.lineAt(0,0,i,o,s))}setMeasuredHeight(t){let n=t.heights[t.index++];n<0?(this.spaceAbove=-n,n=t.heights[t.index++]):this.spaceAbove=0,this.setHeight(n)}updateHeight(t,n=0,i=!1,o){return o&&o.from<=n&&o.more&&this.setMeasuredHeight(o),this.outdated=!1,this}toString(){return`block(${this.length})`}},ye=class r extends Pr{constructor(t,n,i){super(t,n,null);this.collapsed=0;this.widgetHeight=0;this.breaks=0;this.spaceAbove=i}mainBlock(t,n){return new xe(n,this.length,t+this.spaceAbove,this.height-this.spaceAbove,this.breaks)}replace(t,n,i){let o=i[0];return i.length==1&&(o instanceof r||o instanceof et&&o.flags&4)&&Math.abs(this.length-o.length)<10?(o instanceof et?o=new r(o.length,this.height,this.spaceAbove):o.height=this.height,this.outdated||(o.outdated=!1),o):re.of(i)}updateHeight(t,n=0,i=!1,o){return o&&o.from<=n&&o.more?this.setMeasuredHeight(o):(i||this.outdated)&&(this.spaceAbove=0,this.setHeight(Math.max(this.widgetHeight,t.heightForLine(this.length-this.collapsed))+this.breaks*t.lineHeight)),this.outdated=!1,this}toString(){return`line(${this.length}${this.collapsed?-this.collapsed:""}${this.widgetHeight?":"+this.widgetHeight:""})`}},et=class r extends re{constructor(e){super(e,0)}heightMetrics(e,t){let n=e.doc.lineAt(t).number,i=e.doc.lineAt(t+this.length).number,o=i-n+1,s,l=0;if(e.lineWrapping){let a=Math.min(this.height,e.lineHeight*o);s=a/o,this.length>o+1&&(l=(this.height-a)/(this.length-o-1))}else s=this.height/o;return{firstLine:n,lastLine:i,perLine:s,perChar:l}}blockAt(e,t,n,i){let{firstLine:o,lastLine:s,perLine:l,perChar:a}=this.heightMetrics(t,i);if(t.lineWrapping){let u=i+(e<t.lineHeight?0:Math.round(Math.max(0,Math.min(1,(e-n)/this.height))*this.length)),h=t.doc.lineAt(u),c=l+h.length*a,f=Math.max(n,e-c/2);return new xe(h.from,h.length,f,c,0)}else{let u=Math.max(0,Math.min(s-o,Math.floor((e-n)/l))),{from:h,length:c}=t.doc.line(o+u);return new xe(h,c,n+l*u,l,0)}}lineAt(e,t,n,i,o){if(t==1)return this.blockAt(e,n,i,o);if(t==2){let{from:m,to:d}=n.doc.lineAt(e);return new xe(m,d-m,0,0,0)}let{firstLine:s,perLine:l,perChar:a}=this.heightMetrics(n,o),u=n.doc.lineAt(e),h=l+u.length*a,c=u.number-s,f=i+l*c+a*(u.from-o-c);return new xe(u.from,u.length,Math.max(i,Math.min(f,i+this.height-h)),h,0)}forEachLine(e,t,n,i,o,s){e=Math.max(e,o),t=Math.min(t,o+this.length);let{firstLine:l,perLine:a,perChar:u}=this.heightMetrics(n,o);for(let h=e,c=i;h<=t;){let f=n.doc.lineAt(h);if(h==e){let d=f.number-l;c+=a*d+u*(e-o-d)}let m=a+u*f.length;s(new xe(f.from,f.length,c,m,0)),c+=m,h=f.to+1}}replace(e,t,n){let i=this.length-t;if(i>0){let o=n[n.length-1];o instanceof r?n[n.length-1]=new r(o.length+i):n.push(null,new r(i-1))}if(e>0){let o=n[0];o instanceof r?n[0]=new r(e+o.length):n.unshift(new r(e-1),null)}return re.of(n)}decomposeLeft(e,t){t.push(new r(e-1),null)}decomposeRight(e,t){t.push(null,new r(this.length-e-1))}updateHeight(e,t=0,n=!1,i){let o=t+this.length;if(i&&i.from<=t+this.length&&i.more){let s=[],l=Math.max(t,i.from),a=-1;for(i.from>t&&s.push(new r(i.from-t-1).updateHeight(e,t));l<=o&&i.more;){let h=e.doc.lineAt(l).length;s.length&&s.push(null);let c=i.heights[i.index++],f=0;c<0&&(f=-c,c=i.heights[i.index++]),a==-1?a=c:Math.abs(c-a)>=Or&&(a=-2);let m=new ye(h,c,f);m.outdated=!1,s.push(m),l+=h+1}l<=o&&s.push(null,new r(o-l).updateHeight(e,l));let u=re.of(s);return(a<0||Math.abs(u.height-this.height)>=Or||Math.abs(a-this.heightMetrics(e,t).perLine)>=Or)&&(vt=!0),Nr(this,u)}else(n||this.outdated)&&(this.setHeight(e.heightForGap(t,t+this.length)),this.outdated=!1);return this}toString(){return`gap(${this.length})`}},bo=class extends re{constructor(t,n,i){super(t.length+n+i.length,t.height+i.height,n|(t.outdated||i.outdated?2:0));this.left=t;this.right=i;this.size=t.size+i.size}get break(){return this.flags&1}blockAt(t,n,i,o){let s=i+this.left.height;return t<s?this.left.blockAt(t,n,i,o):this.right.blockAt(t,n,s,o+this.left.length+this.break)}lineAt(t,n,i,o,s){let l=o+this.left.height,a=s+this.left.length+this.break,u=n==1?t<l:t<a,h=u?this.left.lineAt(t,n,i,o,s):this.right.lineAt(t,n,i,l,a);if(this.break||(u?h.to<a:h.from>a))return h;let c=n==2?2:0;return u?h.join(this.right.lineAt(a,c,i,l,a)):this.left.lineAt(a,c,i,o,s).join(h)}forEachLine(t,n,i,o,s,l){let a=o+this.left.height,u=s+this.left.length+this.break;if(this.break)t<u&&this.left.forEachLine(t,n,i,o,s,l),n>=u&&this.right.forEachLine(t,n,i,a,u,l);else{let h=this.lineAt(u,0,i,o,s);t<h.from&&this.left.forEachLine(t,h.from-1,i,o,s,l),h.to>=t&&h.from<=n&&l(h),n>h.to&&this.right.forEachLine(h.to+1,n,i,a,u,l)}}replace(t,n,i){let o=this.left.length+this.break;if(n<o)return this.balanced(this.left.replace(t,n,i),this.right);if(t>this.left.length)return this.balanced(this.left,this.right.replace(t-o,n-o,i));let s=[];t>0&&this.decomposeLeft(t,s);let l=s.length;for(let a of i)s.push(a);if(t>0&&rl(s,l-1),n<this.length){let a=s.length;this.decomposeRight(n,s),rl(s,a)}return re.of(s)}decomposeLeft(t,n){let i=this.left.length;if(t<=i)return this.left.decomposeLeft(t,n);n.push(this.left),this.break&&(i++,t>=i&&n.push(null)),t>i&&this.right.decomposeLeft(t-i,n)}decomposeRight(t,n){let i=this.left.length,o=i+this.break;if(t>=o)return this.right.decomposeRight(t-o,n);t<i&&this.left.decomposeRight(t,n),this.break&&t<o&&n.push(null),n.push(this.right)}balanced(t,n){return t.size>2*n.size||n.size>2*t.size?re.of(this.break?[t,null,n]:[t,n]):(this.left=Nr(this.left,t),this.right=Nr(this.right,n),this.setHeight(t.height+n.height),this.outdated=t.outdated||n.outdated,this.size=t.size+n.size,this.length=t.length+this.break+n.length,this)}updateHeight(t,n=0,i=!1,o){let{left:s,right:l}=this,a=n+s.length+this.break,u=null;return o&&o.from<=n+s.length&&o.more?u=s=s.updateHeight(t,n,i,o):s.updateHeight(t,n,i),o&&o.from<=a+l.length&&o.more?u=l=l.updateHeight(t,a,i,o):l.updateHeight(t,a,i),u?this.balanced(s,l):(this.height=this.left.height+this.right.height,this.outdated=!1,this)}toString(){return this.left+(this.break?" 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t>e&&this.span(e,t);this.lineEnd>-1&&this.lineEnd<this.pos&&(this.lineEnd=this.oracle.doc.lineAt(this.pos).to)}enterLine(){if(this.lineStart>-1)return;let{from:e,to:t}=this.oracle.doc.lineAt(this.pos);this.lineStart=e,this.lineEnd=t,this.writtenTo<e&&((this.writtenTo<e-1||this.nodes[this.nodes.length-1]==null)&&this.nodes.push(this.blankContent(this.writtenTo,e-1)),this.nodes.push(null)),this.pos>e&&this.nodes.push(new ye(this.pos-e,-1,0)),this.writtenTo=this.pos}blankContent(e,t){let n=new et(t-e);return this.oracle.doc.lineAt(e).to==t&&(n.flags|=4),n}ensureLine(){this.enterLine();let e=this.nodes.length?this.nodes[this.nodes.length-1]:null;if(e instanceof ye)return e;let t=new ye(0,-1,0);return this.nodes.push(t),t}addBlock(e){this.enterLine();let t=e.deco;t&&t.startSide>0&&!this.isCovered&&this.ensureLine(),this.nodes.push(e),this.writtenTo=this.pos=this.pos+e.length,t&&t.endSide>0&&(this.covering=e)}addLineDeco(e,t,n){let i=this.ensureLine();i.length+=n,i.collapsed+=n,i.widgetHeight=Math.max(i.widgetHeight,e),i.breaks+=t,this.writtenTo=this.pos=this.pos+n}finish(e){let t=this.nodes.length==0?null:this.nodes[this.nodes.length-1];this.lineStart>-1&&!(t instanceof ye)&&!this.isCovered?this.nodes.push(new ye(0,-1,0)):(this.writtenTo<this.pos||t==null)&&this.nodes.push(this.blankContent(this.writtenTo,this.pos));let n=e;for(let i of this.nodes)i instanceof ye&&i.updateHeight(this.oracle,n),n+=i?i.length:1;return this.nodes}static build(e,t,n,i){let o=new r(n,e);return N.spans(t,n,i,o,0),o.finish(n)}};function ol(r,e,t){let n=new xo;return N.compare(r,e,t,n,0),n.changes}var xo=class{constructor(){this.changes=[]}compareRange(){}comparePoint(e,t,n,i){(e<t||n&&n.heightRelevant||i&&i.heightRelevant)&&Je(e,t,this.changes,5)}};function Pu(r,e){let t=r.getBoundingClientRect(),n=r.ownerDocument,i=n.defaultView||window,o=Math.max(0,t.left),s=Math.min(i.innerWidth,t.right),l=Math.max(0,t.top),a=Math.min(i.innerHeight,t.bottom);for(let u=r.parentNode;u&&u!=n.body;)if(u.nodeType==1){let h=u,c=window.getComputedStyle(h);if((h.scrollHeight>h.clientHeight||h.scrollWidth>h.clientWidth)&&c.overflow!="visible"){let f=h.getBoundingClientRect();o=Math.max(o,f.left),s=Math.min(s,f.right),l=Math.max(l,f.top),a=Math.min(u==r.parentNode?i.innerHeight:a,f.bottom)}u=c.position=="absolute"||c.position=="fixed"?h.offsetParent:h.parentNode}else if(u.nodeType==11)u=u.host;else break;return{left:o-t.left,right:Math.max(o,s)-t.left,top:l-(t.top+e),bottom:Math.max(l,a)-(t.top+e)}}function Vu(r){let e=r.getBoundingClientRect(),t=r.ownerDocument.defaultView||window;return e.left<t.innerWidth&&e.right>0&&e.top<t.innerHeight&&e.bottom>0}function Hu(r,e){let t=r.getBoundingClientRect();return{left:0,right:t.right-t.left,top:e,bottom:t.bottom-(t.top+e)}}var Sn=class{constructor(e,t,n,i){this.from=e;this.to=t;this.size=n;this.displaySize=i}static same(e,t){if(e.length!=t.length)return!1;for(let n=0;n<e.length;n++){let i=e[n],o=t[n];if(i.from!=o.from||i.to!=o.to||i.size!=o.size)return!1}return!0}draw(e,t){return V.replace({widget:new To(this.displaySize*(t?e.scaleY:e.scaleX),t)}).range(this.from,this.to)}},To=class extends ke{constructor(t,n){super();this.size=t;this.vertical=n}eq(t){return t.size==this.size&&t.vertical==this.vertical}toDOM(){let t=document.createElement("div");return this.vertical?t.style.height=this.size+"px":(t.style.width=this.size+"px",t.style.height="2px",t.style.display="inline-block"),t}get estimatedHeight(){return this.vertical?this.size:-1}};var Tn=class{constructor(e,t){this.view=e;this.state=t;this.pixelViewport={left:0,right:window.innerWidth,top:0,bottom:0};this.inView=!0;this.paddingTop=0;this.paddingBottom=0;this.contentDOMWidth=0;this.contentDOMHeight=0;this.editorHeight=0;this.editorWidth=0;this.scaleX=1;this.scaleY=1;this.scrollOffset=0;this.scrolledToBottom=!1;this.scrollAnchorPos=0;this.scrollAnchorHeight=-1;this.scaler=sl;this.scrollTarget=null;this.printing=!1;this.mustMeasureContent=!0;this.defaultTextDirection=0;this.visibleRanges=[];this.mustEnforceCursorAssoc=!1;let n=t.facet(dn).some(i=>typeof i!="function"&&i.class=="cm-lineWrapping");this.heightOracle=new Lr(n),this.stateDeco=ll(t),this.heightMap=re.empty().applyChanges(this.stateDeco,A.empty,this.heightOracle.setDoc(t.doc),[new he(0,0,0,t.doc.length)]);for(let i=0;i<2&&(this.viewport=this.getViewport(0,null),!!this.updateForViewport());i++);this.updateViewportLines(),this.lineGaps=this.ensureLineGaps([]),this.lineGapDeco=V.set(this.lineGaps.map(i=>i.draw(this,!1))),this.scrollParent=e.scrollDOM,this.computeVisibleRanges()}updateForViewport(){let e=[this.viewport],{main:t}=this.state.selection;for(let n=0;n<=1;n++){let i=n?t.head:t.anchor;if(!e.some(({from:o,to:s})=>i>=o&&i<=s)){let{from:o,to:s}=this.lineBlockAt(i);e.push(new Jt(o,s))}}return this.viewports=e.sort((n,i)=>n.from-i.from),this.updateScaler()}updateScaler(){let e=this.scaler;return this.scaler=this.heightMap.height<=7e6?sl:new wo(this.heightOracle,this.heightMap,this.viewports),e.eq(this.scaler)?0:2}updateViewportLines(){this.viewportLines=[],this.heightMap.forEachLine(this.viewport.from,this.viewport.to,this.heightOracle.setDoc(this.state.doc),0,0,e=>{this.viewportLines.push(xn(e,this.scaler))})}update(e,t=null){this.state=e.state;let n=this.stateDeco;this.stateDeco=ll(this.state);let i=e.changedRanges,o=he.extendWithRanges(i,ol(n,this.stateDeco,e?e.changes:G.empty(this.state.doc.length))),s=this.heightMap.height,l=this.scrolledToBottom?null:this.scrollAnchorAt(this.scrollOffset);So(),this.heightMap=this.heightMap.applyChanges(this.stateDeco,e.startState.doc,this.heightOracle.setDoc(this.state.doc),o),(this.heightMap.height!=s||vt)&&(e.flags|=2),l?(this.scrollAnchorPos=e.changes.mapPos(l.from,-1),this.scrollAnchorHeight=l.top):(this.scrollAnchorPos=-1,this.scrollAnchorHeight=s);let a=o.length?this.mapViewport(this.viewport,e.changes):this.viewport;(t&&(t.range.head<a.from||t.range.head>a.to)||!this.viewportIsAppropriate(a))&&(a=this.getViewport(0,t));let u=a.from!=this.viewport.from||a.to!=this.viewport.to;this.viewport=a,e.flags|=this.updateForViewport(),(u||!e.changes.empty||e.flags&2)&&this.updateViewportLines(),(this.lineGaps.length||this.viewport.to-this.viewport.from>4e3)&&this.updateLineGaps(this.ensureLineGaps(this.mapLineGaps(this.lineGaps,e.changes))),e.flags|=this.computeVisibleRanges(e.changes),t&&(this.scrollTarget=t),!this.mustEnforceCursorAssoc&&(e.selectionSet||e.focusChanged)&&e.view.lineWrapping&&e.state.selection.main.empty&&e.state.selection.main.assoc&&!e.state.facet(fr)&&(this.mustEnforceCursorAssoc=!0)}measure(){let{view:e}=this,t=e.contentDOM,n=window.getComputedStyle(t),i=this.heightOracle,o=n.whiteSpace;this.defaultTextDirection=n.direction=="rtl"?1:0;let s=this.heightOracle.mustRefreshForWrapping(o)||this.mustMeasureContent==="refresh",l=t.getBoundingClientRect(),a=s||this.mustMeasureContent||this.contentDOMHeight!=l.height;this.contentDOMHeight=l.height,this.mustMeasureContent=!1;let u=0,h=0;if(l.width&&l.height){let{scaleX:w,scaleY:x}=Pi(t,l);(w>.005&&Math.abs(this.scaleX-w)>.005||x>.005&&Math.abs(this.scaleY-x)>.005)&&(this.scaleX=w,this.scaleY=x,u|=16,s=a=!0)}let c=(parseInt(n.paddingTop)||0)*this.scaleY,f=(parseInt(n.paddingBottom)||0)*this.scaleY;(this.paddingTop!=c||this.paddingBottom!=f)&&(this.paddingTop=c,this.paddingBottom=f,u|=18),this.editorWidth!=e.scrollDOM.clientWidth&&(i.lineWrapping&&(a=!0),this.editorWidth=e.scrollDOM.clientWidth,u|=16);let m=rr(this.view.contentDOM,!1).y;m!=this.scrollParent&&(this.scrollParent=m,this.scrollAnchorHeight=-1,this.scrollOffset=0);let d=this.getScrollOffset();this.scrollOffset!=d&&(this.scrollAnchorHeight=-1,this.scrollOffset=d),this.scrolledToBottom=or(this.scrollParent||e.win);let p=(this.printing?Hu:Pu)(t,this.paddingTop),g=p.top-this.pixelViewport.top,b=p.bottom-this.pixelViewport.bottom;this.pixelViewport=p;let C=this.pixelViewport.bottom>this.pixelViewport.top&&this.pixelViewport.right>this.pixelViewport.left;if(C!=this.inView&&(this.inView=C,C&&(a=!0)),!this.inView&&!this.scrollTarget&&!Vu(e.dom))return 0;let v=l.width;if((this.contentDOMWidth!=v||this.editorHeight!=e.scrollDOM.clientHeight)&&(this.contentDOMWidth=l.width,this.editorHeight=e.scrollDOM.clientHeight,u|=16),a){let w=e.docView.measureVisibleLineHeights(this.viewport);if(i.mustRefreshForHeights(w)&&(s=!0),s||i.lineWrapping&&Math.abs(v-this.contentDOMWidth)>i.charWidth){let{lineHeight:x,charWidth:k,textHeight:B}=e.docView.measureTextSize();s=x>0&&i.refresh(o,x,k,B,Math.max(5,v/k),w),s&&(e.docView.minWidth=0,u|=16)}g>0&&b>0?h=Math.max(g,b):g<0&&b<0&&(h=Math.min(g,b)),So();for(let x of this.viewports){let k=x.from==this.viewport.from?w:e.docView.measureVisibleLineHeights(x);this.heightMap=(s?re.empty().applyChanges(this.stateDeco,A.empty,this.heightOracle,[new he(0,0,0,e.state.doc.length)]):this.heightMap).updateHeight(i,0,s,new Ir(x.from,k))}vt&&(u|=2)}let M=!this.viewportIsAppropriate(this.viewport,h)||this.scrollTarget&&(this.scrollTarget.range.head<this.viewport.from||this.scrollTarget.range.head>this.viewport.to);return M&&(u&2&&(u|=this.updateScaler()),this.viewport=this.getViewport(h,this.scrollTarget),u|=this.updateForViewport()),(u&2||M)&&this.updateViewportLines(),(this.lineGaps.length||this.viewport.to-this.viewport.from>4e3)&&this.updateLineGaps(this.ensureLineGaps(s?[]:this.lineGaps,e)),u|=this.computeVisibleRanges(),this.mustEnforceCursorAssoc&&(this.mustEnforceCursorAssoc=!1,e.docView.enforceCursorAssoc()),u}get visibleTop(){return this.scaler.fromDOM(this.pixelViewport.top)}get visibleBottom(){return this.scaler.fromDOM(this.pixelViewport.bottom)}getViewport(e,t){let n=.5-Math.max(-.5,Math.min(.5,e/1e3/2)),i=this.heightMap,o=this.heightOracle,{visibleTop:s,visibleBottom:l}=this,a=new 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i&&!this.selectionChanged&&e.inputState.lastFocusTime>Date.now()-200&&e.inputState.lastTouchTime<Date.now()-300&&Ds(this.dom,n)?(this.view.inputState.lastFocusTime=0,e.docView.updateSelection(),!1):(this.selectionRange.setRange(n),i&&(this.selectionChanged=!0),!0)}setSelectionRange(e,t){this.selectionRange.set(e.node,e.offset,t.node,t.offset),this.selectionChanged=!1}clearSelectionRange(){this.selectionRange.set(null,0,null,0)}listenForScroll(){this.parentCheck=-1;let e=0,t=null;for(let n=this.dom;n;)if(n.nodeType==1)!t&&e<this.scrollTargets.length&&this.scrollTargets[e]==n?e++:t||(t=this.scrollTargets.slice(0,e)),t&&t.push(n),n=n.assignedSlot||n.parentNode;else if(n.nodeType==11)n=n.host;else break;if(e<this.scrollTargets.length&&!t&&(t=this.scrollTargets.slice(0,e)),t){for(let n of this.scrollTargets)n.removeEventListener("scroll",this.onScroll);for(let n of this.scrollTargets=t)n.addEventListener("scroll",this.onScroll)}}ignore(e){if(!this.active)return e();try{return this.stop(),e()}finally{this.start(),this.clear()}}start(){this.active||(this.observer.observe(this.dom,zu),Mo&&this.dom.addEventListener("DOMCharacterDataModified",this.onCharData),this.active=!0)}stop(){this.active&&(this.active=!1,this.observer.disconnect(),Mo&&this.dom.removeEventListener("DOMCharacterDataModified",this.onCharData))}clear(){this.processRecords(),this.queue.length=0,this.selectionChanged=!1}delayAndroidKey(e,t){if(!this.delayedAndroidKey){let n=()=>{let i=this.delayedAndroidKey;i&&(this.clearDelayedAndroidKey(),this.view.inputState.lastKeyCode=i.keyCode,this.view.inputState.lastKeyTime=Date.now(),!this.flush()&&i.force&&He(this.dom,i.key,i.keyCode))};this.flushingAndroidKey=this.view.win.requestAnimationFrame(n)}(!this.delayedAndroidKey||e=="Enter")&&(this.delayedAndroidKey={key:e,keyCode:t,force:this.lastChange<Date.now()-50||!!this.delayedAndroidKey?.force})}clearDelayedAndroidKey(){this.win.cancelAnimationFrame(this.flushingAndroidKey),this.delayedAndroidKey=null,this.flushingAndroidKey=-1}flushSoon(){this.delayedFlush<0&&(this.delayedFlush=this.view.win.requestAnimationFrame(()=>{this.delayedFlush=-1,this.flush()}))}forceFlush(){this.delayedFlush>=0&&(this.view.win.cancelAnimationFrame(this.delayedFlush),this.delayedFlush=-1),this.flush()}pendingRecords(){for(let e of this.observer.takeRecords())this.queue.push(e);return this.queue}processRecords(){let e=this.pendingRecords();e.length&&(this.queue=[]);let t=-1,n=-1,i=!1;for(let o of e){let s=this.readMutation(o);s&&(s.typeOver&&(i=!0),t==-1?{from:t,to:n}=s:(t=Math.min(s.from,t),n=Math.max(s.to,n)))}return{from:t,to:n,typeOver:i}}readChange(){let{from:e,to:t,typeOver:n}=this.processRecords(),i=this.selectionChanged&&Ye(this.dom,this.selectionRange);if(e<0&&!i)return null;e>-1&&(this.lastChange=Date.now()),this.view.inputState.lastFocusTime=0,this.selectionChanged=!1;let o=new Mr(this.view,e,t,n);return this.view.docView.domChanged={newSel:o.newSel?o.newSel.main:null},o}flush(e=!0){if(this.delayedFlush>=0||this.delayedAndroidKey)return!1;e&&this.readSelectionRange();let t=this.readChange();if(!t)return this.view.requestMeasure(),!1;let n=this.view.state,i=Er(this.view,t);return this.view.state==n&&(t.domChanged||t.newSel&&!bn(this.view.state.selection,t.newSel.main))&&this.view.update([]),i}readMutation(e){let t=this.view.docView.tile.nearest(e.target);if(!t||t.isWidget())return null;if(t.markDirty(e.type=="attributes"),e.type=="childList"){let n=ul(t,e.previousSibling||e.target.previousSibling,-1),i=ul(t,e.nextSibling||e.target.nextSibling,1);return{from:n?t.posAfter(n):t.posAtStart,to:i?t.posBefore(i):t.posAtEnd,typeOver:!1}}else return e.type=="characterData"?{from:t.posAtStart,to:t.posAtEnd,typeOver:e.target.nodeValue==e.oldValue}:null}setWindow(e){e!=this.win&&(this.removeWindowListeners(this.win),this.win=e,this.addWindowListeners(this.win))}addWindowListeners(e){e.addEventListener("resize",this.onResize),this.printQuery?this.printQuery.addEventListener?this.printQuery.addEventListener("change",this.onPrint):this.printQuery.addListener(this.onPrint):e.addEventListener("beforeprint",this.onPrint),e.addEventListener("scroll",this.onScroll),e.document.addEventListener("selectionchange",this.onSelectionChange)}removeWindowListeners(e){e.removeEventListener("scroll",this.onScroll),e.removeEventListener("resize",this.onResize),this.printQuery?this.printQuery.removeEventListener?this.printQuery.removeEventListener("change",this.onPrint):this.printQuery.removeListener(this.onPrint):e.removeEventListener("beforeprint",this.onPrint),e.document.removeEventListener("selectionchange",this.onSelectionChange)}update(e){this.editContext&&(this.editContext.update(e),e.startState.facet(ce)!=e.state.facet(ce)&&(e.view.contentDOM.editContext=e.state.facet(ce)?this.editContext.editContext:null))}destroy(){this.stop(),this.intersection?.disconnect(),this.gapIntersection?.disconnect(),this.resizeScroll?.disconnect();for(let e of this.scrollTargets)e.removeEventListener("scroll",this.onScroll);this.removeWindowListeners(this.win),clearTimeout(this.parentCheck),clearTimeout(this.resizeTimeout),this.win.cancelAnimationFrame(this.delayedFlush),this.win.cancelAnimationFrame(this.flushingAndroidKey),this.editContext&&(this.view.contentDOM.editContext=null,this.editContext.destroy())}};function ul(r,e,t){for(;e;){let n=O.get(e);if(n&&n.parent==r)return n;let i=e.parentNode;e=i!=r.dom?i:t>0?e.nextSibling:e.previousSibling}return null}function hl(r,e){let t=e.startContainer,n=e.startOffset,i=e.endContainer,o=e.endOffset,s=r.docView.domAtPos(r.state.selection.main.anchor,1);return bt(s.node,s.offset,i,o)&&([t,n,i,o]=[i,o,t,n]),{anchorNode:t,anchorOffset:n,focusNode:i,focusOffset:o}}function Ku(r,e){if(e.getComposedRanges){let i=e.getComposedRanges(r.root)[0];if(i)return hl(r,i)}let t=null;function n(i){i.preventDefault(),i.stopImmediatePropagation(),t=i.getTargetRanges()[0]}return r.contentDOM.addEventListener("beforeinput",n,!0),r.dom.ownerDocument.execCommand("indent"),r.contentDOM.removeEventListener("beforeinput",n,!0),t?hl(r,t):null}var Eo=class{constructor(e){this.from=0;this.to=0;this.pendingContextChange=null;this.handlers=Object.create(null);this.composing=null;this.resetRange(e.state);let t=this.editContext=new window.EditContext({text:e.state.doc.sliceString(this.from,this.to),selectionStart:this.toContextPos(Math.max(this.from,Math.min(this.to,e.state.selection.main.anchor))),selectionEnd:this.toContextPos(e.state.selection.main.head)});this.handlers.textupdate=n=>{let i=e.state.selection.main,{anchor:o,head:s}=i,l=this.toEditorPos(n.updateRangeStart),a=this.toEditorPos(n.updateRangeEnd);e.inputState.composing>=0&&!this.composing&&(this.composing={contextBase:n.updateRangeStart,editorBase:l,drifted:!1});let u=a-l>n.text.length;l==this.from&&o<this.from?l=o:a==this.to&&o>this.to&&(a=o);let h=ho(e.state.sliceDoc(l,a),n.text,(u?i.from:i.to)-l,u?"end":null);if(!h){let f=y.single(this.toEditorPos(n.selectionStart),this.toEditorPos(n.selectionEnd));bn(f,i)||e.dispatch({selection:f,userEvent:"select"});return}let c={from:h.from+l,to:h.toA+l,insert:A.of(n.text.slice(h.from,h.toB).split(`
     10 `))};if((S.mac||S.android)&&c.from==s-1&&/^\. ?$/.test(n.text)&&e.contentDOM.getAttribute("autocorrect")=="off"&&(c={from:l,to:a,insert:A.of([n.text.replace("."," ")])}),this.pendingContextChange=c,!e.state.readOnly){let f=this.to-this.from+(c.to-c.from+c.insert.length);yn(e,c,y.single(this.toEditorPos(n.selectionStart,f),this.toEditorPos(n.selectionEnd,f)))}this.pendingContextChange&&(this.revertPending(e.state),this.setSelection(e.state)),c.from<c.to&&!c.insert.length&&e.inputState.composing>=0&&!/[\\p{Alphabetic}\\p{Number}_]/.test(t.text.slice(Math.max(0,n.updateRangeStart-1),Math.min(t.text.length,n.updateRangeStart+1)))&&this.handlers.compositionend(n)},this.handlers.characterboundsupdate=n=>{let i=[],o=null;for(let s=this.toEditorPos(n.rangeStart),l=this.toEditorPos(n.rangeEnd);s<l;s++){let a=e.coordsForChar(s);o=a&&new DOMRect(a.left,a.top,a.right-a.left,a.bottom-a.top)||o||new DOMRect,i.push(o)}t.updateCharacterBounds(n.rangeStart,i)},this.handlers.textformatupdate=n=>{let i=[];for(let o of n.getTextFormats()){let s=o.underlineStyle,l=o.underlineThickness;if(!/none/i.test(s)&&!/none/i.test(l)){let a=this.toEditorPos(o.rangeStart),u=this.toEditorPos(o.rangeEnd);if(a<u){let h=`text-decoration: underline ${/^[a-z]/.test(s)?s+" ":s=="Dashed"?"dashed ":s=="Squiggle"?"wavy ":""}${/thin/i.test(l)?1:2}px`;i.push(V.mark({attributes:{style:h}}).range(a,u))}}}e.dispatch({effects:mr.of(V.set(i))})},this.handlers.compositionstart=()=>{e.inputState.composing<0&&(e.inputState.composing=0,e.inputState.compositionFirstChange=!0)},this.handlers.compositionend=()=>{if(e.inputState.composing=-1,e.inputState.compositionFirstChange=null,this.composing){let{drifted:n}=this.composing;this.composing=null,n&&this.reset(e.state)}};for(let n in this.handlers)t.addEventListener(n,this.handlers[n]);this.measureReq={read:n=>{this.editContext.updateControlBounds(n.contentDOM.getBoundingClientRect());let i=$e(n.root);i&&i.rangeCount&&this.editContext.updateSelectionBounds(i.getRangeAt(0).getBoundingClientRect())}}}applyEdits(e){let t=0,n=!1,i=this.pendingContextChange;return e.changes.iterChanges((o,s,l,a,u)=>{if(n)return;let h=u.length-(s-o);if(i&&s>=i.to)if(i.from==o&&i.to==s&&i.insert.eq(u)){i=this.pendingContextChange=null,t+=h,this.to+=h;return}else i=null,this.revertPending(e.state);if(o+=t,s+=t,s<=this.from)this.from+=h,this.to+=h;else if(o<this.to){if(o<this.from||s>this.to||this.to-this.from+u.length>3e4){n=!0;return}this.editContext.updateText(this.toContextPos(o),this.toContextPos(s),u.toString()),this.to+=h}t+=h}),i&&!n&&this.revertPending(e.state),!n}update(e){let t=this.pendingContextChange,n=e.startState.selection.main;this.composing&&(this.composing.drifted||!e.changes.touchesRange(n.from,n.to)&&e.transactions.some(i=>!i.isUserEvent("input.type")&&i.changes.touchesRange(this.from,this.to)))?(this.composing.drifted=!0,this.composing.editorBase=e.changes.mapPos(this.composing.editorBase)):!this.applyEdits(e)||!this.rangeIsValid(e.state)?(this.pendingContextChange=null,this.reset(e.state)):(e.docChanged||e.selectionSet||t)&&this.setSelection(e.state),(e.geometryChanged||e.docChanged||e.selectionSet)&&e.view.requestMeasure(this.measureReq)}resetRange(e){let{head:t}=e.selection.main;this.from=Math.max(0,t-1e4),this.to=Math.min(e.doc.length,t+1e4)}reset(e){this.resetRange(e),this.editContext.updateText(0,this.editContext.text.length,e.doc.sliceString(this.from,this.to)),this.setSelection(e)}revertPending(e){let t=this.pendingContextChange;this.pendingContextChange=null,this.editContext.updateText(this.toContextPos(t.from),this.toContextPos(t.from+t.insert.length),e.doc.sliceString(t.from,t.to))}setSelection(e){let{main:t}=e.selection,n=this.toContextPos(Math.max(this.from,Math.min(this.to,t.anchor))),i=this.toContextPos(t.head);(this.editContext.selectionStart!=n||this.editContext.selectionEnd!=i)&&this.editContext.updateSelection(n,i)}rangeIsValid(e){let{head:t}=e.selection.main;return!(this.from>0&&t-this.from<500||this.to<e.doc.length&&this.to-t<500||this.to-this.from>1e4*3)}toEditorPos(e,t=this.to-this.from){e=Math.min(e,t);let n=this.composing;return n&&n.drifted?n.editorBase+(e-n.contextBase):e+this.from}toContextPos(e){let t=this.composing;return t&&t.drifted?t.contextBase+(e-t.editorBase):e-this.from}destroy(){for(let e in this.handlers)this.editContext.removeEventListener(e,this.handlers[e])}};var K=class r{constructor(e={}){this.plugins=[];this.pluginMap=new Map;this.editorAttrs={};this.contentAttrs={};this.bidiCache=[];this.destroyed=!1;this.updateState=2;this.measureScheduled=-1;this.measureRequests=[];this.contentDOM=document.createElement("div"),this.scrollDOM=document.createElement("div"),this.scrollDOM.tabIndex=-1,this.scrollDOM.className="cm-scroller",this.scrollDOM.appendChild(this.contentDOM),this.announceDOM=document.createElement("div"),this.announceDOM.className="cm-announced",this.announceDOM.setAttribute("aria-live","polite"),this.dom=document.createElement("div"),this.dom.appendChild(this.announceDOM),this.dom.appendChild(this.scrollDOM),e.parent&&e.parent.appendChild(this.dom);let{dispatch:t}=e;this.dispatchTransactions=e.dispatchTransactions||t&&(n=>n.forEach(i=>t(i,this)))||(n=>this.update(n)),this.dispatch=this.dispatch.bind(this),this._root=e.root||As(e.parent)||document,this.viewState=new Tn(this,e.state||j.create(e)),e.scrollTo&&e.scrollTo.is(fn)&&(this.viewState.scrollTarget=e.scrollTo.value.clip(this.viewState.state)),this.plugins=this.state.facet(xt).map(n=>new zt(n));for(let n of this.plugins)n.update(this);this.observer=new Kr(this),this.inputState=new Br(this),this.inputState.ensureHandlers(this.plugins),this.docView=new pn(this),this.mountStyles(),this.updateAttrs(),this.updateState=0,this.requestMeasure(),document.fonts?.ready&&document.fonts.ready.then(()=>{this.viewState.mustMeasureContent="refresh",this.requestMeasure()})}get state(){return this.viewState.state}get viewport(){return this.viewState.viewport}get visibleRanges(){return this.viewState.visibleRanges}get inView(){return this.viewState.inView}get composing(){return!!this.inputState&&this.inputState.composing>0}get compositionStarted(){return!!this.inputState&&this.inputState.composing>=0}get root(){return this._root}get win(){return this.dom.ownerDocument.defaultView||window}dispatch(...e){let t=e.length==1&&e[0]instanceof X?e:e.length==1&&Array.isArray(e[0])?e[0]:[this.state.update(...e)];this.dispatchTransactions(t,this)}update(e){if(this.updateState!=0)throw new Error("Calls to EditorView.update are not allowed while an update is in progress");let t=!1,n=!1,i,o=this.state;for(let f of e){if(f.startState!=o)throw new RangeError("Trying to update state with a transaction that doesn't start from the previous state.");o=f.state}if(this.destroyed){this.viewState.state=o;return}let s=this.hasFocus,l=0,a=null;e.some(f=>f.annotation(po))?(this.inputState.notifiedFocused=s,l=1):s!=this.inputState.notifiedFocused&&(this.inputState.notifiedFocused=s,a=go(o,s),a||(l=1));let u=this.observer.delayedAndroidKey,h=null;if(u?(this.observer.clearDelayedAndroidKey(),h=this.observer.readChange(),(h&&!this.state.doc.eq(o.doc)||!this.state.selection.eq(o.selection))&&(h=null)):this.observer.clear(),o.facet(j.phrases)!=this.state.facet(j.phrases))return this.setState(o);i=Kt.create(this,o,e),i.flags|=l;let c=this.viewState.scrollTarget;try{this.updateState=2;for(let f of e){if(c&&(c=c.map(f.changes)),f.scrollIntoView){let{main:m}=f.state.selection,{x:d,y:p}=this.state.facet(r.cursorScrollMargin);c=new Wt(m.empty?m:y.cursor(m.head,m.head>m.anchor?-1:1),"nearest","nearest",p,d)}for(let m of f.effects)m.is(fn)&&(c=m.value.clip(this.state))}this.viewState.update(i,c),this.bidiCache=Ur.update(this.bidiCache,i.changes),i.empty||(this.updatePlugins(i),this.inputState.update(i)),t=this.docView.update(i),this.state.facet(qt)!=this.styleModules&&this.mountStyles(),n=this.updateAttrs(),this.showAnnouncements(e),this.docView.updateSelection(t,e.some(f=>f.isUserEvent("select.pointer")))}finally{this.updateState=0}if(i.startState.facet(wn)!=i.state.facet(wn)&&(this.viewState.mustMeasureContent=!0),(t||n||c||this.viewState.mustEnforceCursorAssoc||this.viewState.mustMeasureContent)&&this.requestMeasure(),t&&this.docViewUpdate(),!i.empty)for(let f of this.state.facet(ur))try{f(i)}catch(m){_(this.state,m,"update listener")}(a||h)&&Promise.resolve().then(()=>{a&&this.state==a.startState&&this.dispatch(a),h&&!Er(this,h)&&u.force&&He(this.contentDOM,u.key,u.keyCode)})}setState(e){if(this.updateState!=0)throw new Error("Calls to EditorView.setState are not allowed while an update is in progress");if(this.destroyed){this.viewState.state=e;return}this.updateState=2;let t=this.hasFocus;try{for(let n of this.plugins)n.destroy(this);this.viewState=new Tn(this,e),this.plugins=e.facet(xt).map(n=>new zt(n)),this.pluginMap.clear();for(let n of this.plugins)n.update(this);this.docView.destroy(),this.docView=new pn(this),this.inputState.ensureHandlers(this.plugins),this.mountStyles(),this.updateAttrs(),this.bidiCache=[]}finally{this.updateState=0}t&&this.focus(),this.requestMeasure()}updatePlugins(e){let t=e.startState.facet(xt),n=e.state.facet(xt);if(t!=n){let i=[];for(let o of n){let s=t.indexOf(o);if(s<0)i.push(new zt(o));else{let l=this.plugins[s];l.mustUpdate=e,i.push(l)}}for(let o of this.plugins)o.mustUpdate!=e&&o.destroy(this);this.plugins=i,this.pluginMap.clear()}else for(let i of this.plugins)i.mustUpdate=e;for(let i=0;i<this.plugins.length;i++)this.plugins[i].update(this);t!=n&&this.inputState.ensureHandlers(this.plugins)}docViewUpdate(){for(let e of this.plugins){let t=e.value;if(t&&t.docViewUpdate)try{t.docViewUpdate(this)}catch(n){_(this.state,n,"doc view update listener")}}}measure(e=!0){if(this.destroyed)return;if(this.measureScheduled>-1&&this.win.cancelAnimationFrame(this.measureScheduled),this.observer.delayedAndroidKey){this.measureScheduled=-1,this.requestMeasure();return}this.measureScheduled=0,e&&this.observer.forceFlush();let t=null,n=this.viewState.scrollParent,i=this.viewState.getScrollOffset(),{scrollAnchorPos:o,scrollAnchorHeight:s}=this.viewState;Math.abs(i-this.viewState.scrollOffset)>1&&(s=-1),this.viewState.scrollAnchorHeight=-1;try{for(let l=0;;l++){if(s<0)if(or(n||this.win))o=-1,s=this.viewState.heightMap.height;else{let m=this.viewState.scrollAnchorAt(i);o=m.from,s=m.top}this.updateState=1;let a=this.viewState.measure();if(!a&&!this.measureRequests.length&&this.viewState.scrollTarget==null)break;if(l>5){console.warn(this.measureRequests.length?"Measure loop restarted more than 5 times":"Viewport failed to stabilize");break}let u=[];a&4||([this.measureRequests,u]=[u,this.measureRequests]);let h=u.map(m=>{try{return m.read(this)}catch(d){return _(this.state,d),cl}}),c=Kt.create(this,this.state,[]),f=!1;c.flags|=a,t?t.flags|=a:t=c,this.updateState=2,c.empty||(this.updatePlugins(c),this.inputState.update(c),this.updateAttrs(),f=this.docView.update(c),f&&this.docViewUpdate());for(let m=0;m<u.length;m++)if(h[m]!=cl)try{let d=u[m];d.write&&d.write(h[m],this)}catch(d){_(this.state,d)}if(f&&this.docView.updateSelection(!0),!c.viewportChanged&&this.measureRequests.length==0){if(this.viewState.editorHeight)if(this.viewState.scrollTarget){this.docView.scrollIntoView(this.viewState.scrollTarget),this.viewState.scrollTarget=null,s=-1;continue}else{let d=((o<0?this.viewState.heightMap.height:this.viewState.lineBlockAt(o).top)-s)/this.scaleY;if((d>1||d<-1)&&(n==this.scrollDOM||this.hasFocus||Math.max(this.inputState.lastWheelEvent,this.inputState.lastTouchTime)>Date.now()-100)){i=i+d,n?n.scrollTop+=d:this.win.scrollBy(0,d),s=-1;continue}}break}}}finally{this.updateState=0,this.measureScheduled=-1}if(t&&!t.empty)for(let l of this.state.facet(ur))l(t)}get themeClasses(){return Wr+" "+(this.state.facet(Fr)?ko:Co)+" "+this.state.facet(wn)}updateAttrs(){let e=fl(this,$i,{class:"cm-editor"+(this.hasFocus?" cm-focused ":" ")+this.themeClasses}),t={spellcheck:"false",autocorrect:"off",autocapitalize:"off",writingsuggestions:"false",translate:"no",contenteditable:this.state.facet(ce)?"true":"false",class:"cm-content",style:`${S.tabSize}: ${this.state.tabSize}`,role:"textbox","aria-multiline":"true"};this.state.readOnly&&(t["aria-readonly"]="true"),fl(this,dn,t);let n=this.observer.ignore(()=>{let i=Ni(this.contentDOM,this.contentAttrs,t),o=Ni(this.dom,this.editorAttrs,e);return i||o});return this.editorAttrs=e,this.contentAttrs=t,n}showAnnouncements(e){let t=!0;for(let n of e)for(let i of n.effects)if(i.is(r.announce)){t&&(this.announceDOM.textContent=""),t=!1;let o=this.announceDOM.appendChild(document.createElement("div"));o.textContent=i.value}}mountStyles(){this.styleModules=this.state.facet(qt);let e=this.state.facet(r.cspNonce);Pe.mount(this.root,this.styleModules.concat(al).reverse(),e?{nonce:e}:void 0)}readMeasured(){if(this.updateState==2)throw new Error("Reading the editor layout isn't allowed during an update");this.updateState==0&&this.measureScheduled>-1&&this.measure(!1)}requestMeasure(e){if(this.measureScheduled<0&&(this.measureScheduled=this.win.requestAnimationFrame(()=>this.measure())),e){if(this.measureRequests.indexOf(e)>-1)return;if(e.key!=null){for(let t=0;t<this.measureRequests.length;t++)if(this.measureRequests[t].key===e.key){this.measureRequests[t]=e;return}}this.measureRequests.push(e)}}plugin(e){let t=this.pluginMap.get(e);return(t===void 0||t&&t.plugin!=e)&&this.pluginMap.set(e,t=this.plugins.find(n=>n.plugin==e)||null),t&&t.update(this).value}get documentTop(){return this.contentDOM.getBoundingClientRect().top+this.viewState.paddingTop}get documentPadding(){return{top:this.viewState.paddingTop,bottom:this.viewState.paddingBottom}}get scaleX(){return this.viewState.scaleX}get scaleY(){return this.viewState.scaleY}elementAtHeight(e){return this.readMeasured(),this.viewState.elementAtHeight(e)}lineBlockAtHeight(e){return 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i=this.state.doc.lineAt(e),o=this.bidiSpans(i),s=o[te.find(o,e-i.from,-1,t)];return Ft(n,s.dir==0==t>0)}coordsForChar(e){return this.readMeasured(),this.docView.coordsForChar(e)}get defaultCharacterWidth(){return this.viewState.heightOracle.charWidth}get defaultLineHeight(){return this.viewState.heightOracle.lineHeight}get textDirection(){return this.viewState.defaultTextDirection}textDirectionAt(e){return!this.state.facet(Ji)||e<this.viewport.from||e>this.viewport.to?this.textDirection:(this.readMeasured(),this.docView.textDirectionAt(e))}get lineWrapping(){return this.viewState.heightOracle.lineWrapping}bidiSpans(e){if(e.length>Uu)return qi(e.length);let t=this.textDirectionAt(e.from),n;for(let o of this.bidiCache)if(o.from==e.from&&o.dir==t&&(o.fresh||Ui(o.isolates,n=Xi(this,e))))return o.order;n||(n=Xi(this,e));let i=Os(e.text,t,n);return this.bidiCache.push(new Ur(e.from,e.to,t,n,!0,i)),i}get 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ge.define(()=>({}),{eventObservers:e})}static{this.inputHandler=hr}static{this.clipboardInputFilter=hn}static{this.clipboardOutputFilter=cn}static{this.scrollHandler=dr}static{this.focusChangeEffect=cr}static{this.perLineTextDirection=Ji}static{this.exceptionSink=ji}static{this.updateListener=ur}static{this.editable=ce}static{this.mouseSelectionStyle=ar}static{this.dragMovesSelection=lr}static{this.clickAddsSelectionRange=sr}static{this.decorations=St}static{this.blockWrappers=pr}static{this.outerDecorations=Ut}static{this.atomicRanges=ze}static{this.bidiIsolatedRanges=Yi}static{this.cursorScrollMargin=T.define({combine:e=>{let t=5,n=5;for(let i of e)typeof i=="number"?t=n=i:{x:t,y:n}=i;return{x:t,y:n}}})}static{this.scrollMargins=Qi}static theme(e,t){let n=Pe.newName(),i=[wn.of(n),qt.of(zr(`.${n}`,e))];return t&&t.dark&&i.push(Fr.of(!0)),i}static{this.darkTheme=Fr}static baseTheme(e){return 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i&&(n="Alt-"+n),o&&(n="Ctrl-"+n),l&&(n="Meta-"+n),s&&(n="Shift-"+n),n}function Gr(r,e,t){return e.altKey&&(r="Alt-"+r),e.ctrlKey&&(r="Ctrl-"+r),e.metaKey&&(r="Meta-"+r),t!==!1&&e.shiftKey&&(r="Shift-"+r),r}var $u=ct.default(K.domEventHandlers({keydown(r,e){return Zu(Yu(e.state),r,e,"editor")}})),Do=T.define({enables:$u}),ml=new WeakMap;function Yu(r){let e=r.facet(Do),t=ml.get(e);return t||ml.set(e,t=Qu(e.reduce((n,i)=>n.concat(i),[]))),t}var tt=null,Xu=4e3;function Qu(r,e=ju){let t=Object.create(null),n=Object.create(null),i=(s,l)=>{let a=n[s];if(a==null)n[s]=l;else if(a!=l)throw new Error("Key binding "+s+" is used both as a regular binding and as a multi-stroke prefix")},o=(s,l,a,u,h)=>{let c=t[s]||(t[s]=Object.create(null)),f=l.split(/ (?!$)/).map(p=>Ju(p,e));for(let p=1;p<f.length;p++){let g=f.slice(0,p).join(" ");i(g,!0),c[g]||(c[g]={preventDefault:!0,stopPropagation:!1,run:[b=>{let C=tt={view:b,prefix:g,scope:s};return setTimeout(()=>{tt==C&&(tt=null)},Xu),!0}]})}let m=f.join(" 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o=gl(e);return[new r(t,i.left-o.left,i.top-o.top,null,i.bottom-i.top)]}else return _u(e,t,n)}};function gl(r){let e=r.scrollDOM.getBoundingClientRect();return{left:(r.textDirection==0?e.left:e.right-r.scrollDOM.clientWidth*r.scaleX)-r.scrollDOM.scrollLeft*r.scaleX,top:e.top-r.scrollDOM.scrollTop*r.scaleY}}function pl(r,e,t,n){let i=r.coordsAtPos(e,t*2);if(!i)return n;let o=r.dom.getBoundingClientRect(),s=(i.top+i.bottom)/2,l=r.posAtCoords({x:o.left+1,y:s}),a=r.posAtCoords({x:o.right-1,y:s});return l==null||a==null?n:{from:Math.max(n.from,Math.min(l,a)),to:Math.min(n.to,Math.max(l,a))}}function _u(r,e,t){if(t.to<=r.viewport.from||t.from>=r.viewport.to)return[];let n=Math.max(t.from,r.viewport.from),i=Math.min(t.to,r.viewport.to),o=r.textDirection==0,s=r.contentDOM,l=s.getBoundingClientRect(),a=gl(r),u=s.querySelector(".cm-line"),h=u&&window.getComputedStyle(u),c=l.left+(h?parseInt(h.paddingLeft)+Math.min(0,parseInt(h.textIndent)):0),f=l.right-(h?parseInt(h.paddingRight):0),m=Tr(r,n,1),d=Tr(r,i,-1),p=m.type==0?m:null,g=d.type==0?d:null;if(p&&(r.lineWrapping||m.widgetLineBreaks)&&(p=pl(r,n,1,p)),g&&(r.lineWrapping||d.widgetLineBreaks)&&(g=pl(r,i,-1,g)),p&&g&&p.from==g.from&&p.to==g.to)return C(v(t.from,t.to,p));{let w=p?v(t.from,null,p):M(m,!1),x=g?v(null,t.to,g):M(d,!0),k=[];return(p||m).to<(g||d).from-(p&&g?1:0)||m.widgetLineBreaks>1&&w.bottom+r.defaultLineHeight/2<x.top?k.push(b(c,w.bottom,f,x.top)):w.bottom<x.top&&r.elementAtHeight((w.bottom+x.top)/2).type==0&&(w.bottom=x.top=(w.bottom+x.top)/2),C(w).concat(k).concat(C(x))}function b(w,x,k,B){return new nt(e,w-a.left,x-a.top,Math.max(0,k-w),B-x)}function C({top:w,bottom:x,horizontal:k}){let 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Bo=class{constructor(e,t){this.view=e;this.layer=t;this.drawn=[];this.scaleX=1;this.scaleY=1;this.measureReq={read:this.measure.bind(this),write:this.draw.bind(this)},this.dom=e.scrollDOM.appendChild(document.createElement("div")),this.dom.classList.add("cm-layer"),t.above&&this.dom.classList.add("cm-layer-above"),t.class&&this.dom.classList.add(t.class),this.scale(),this.dom.setAttribute("aria-hidden","true"),this.setOrder(e.state),e.requestMeasure(this.measureReq),t.mount&&t.mount(this.dom,e)}update(e){e.startState.facet(jr)!=e.state.facet(jr)&&this.setOrder(e.state),(this.layer.update(e,this.dom)||e.geometryChanged)&&(this.scale(),e.view.requestMeasure(this.measureReq))}docViewUpdate(e){this.layer.updateOnDocViewUpdate!==!1&&e.requestMeasure(this.measureReq)}setOrder(e){let t=0,n=e.facet(jr);for(;t<n.length&&n[t]!=this.layer;)t++;this.dom.style.zIndex=String((this.layer.above?150:-1)-t)}measure(){return 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o?r=r.addChanges(o,s,l,t,e):e.selection&&(r=r.addSelection(e.startState.selection,s,l,t.newGroupDelay)),(i=="full"||i=="after")&&(r=r.isolate()),r},toJSON(r){return{done:r.done.map(e=>e.toJSON()),undone:r.undone.map(e=>e.toJSON())}},fromJSON(r){return new Rn(r.done.map(Be.fromJSON),r.undone.map(Be.fromJSON))}});function Kl(r={}){return[Jo,zl.of(r),K.domEventHandlers({beforeinput(e,t){let n=e.inputType=="historyUndo"?ri:e.inputType=="historyRedo"?On:null;return n?(e.preventDefault(),n(t)):!1}})]}function ni(r,e){return function({state:t,dispatch:n}){if(!e&&t.readOnly)return!1;let i=t.field(Jo,!1);if(!i)return!1;let o=i.pop(r,t,e);return o?(n(o),!0):!1}}var ri=ni(0,!1),On=ni(1,!1),Ul=ni(0,!0),ql=ni(1,!0);function Gl(r){return function(e){let t=e.field(Jo,!1);if(!t)return 0;let n=r==0?t.done:t.undone;return n.length-(n.length&&!n[0].changes?1:0)}}var Mh=Gl(0),Eh=Gl(1),Be=class 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o=this.done.length?this.done[this.done.length-1].selectionsAfter:we;return o.length>0&&t-this.prevTime<i&&n==this.prevUserEvent&&n&&/^select($|\.)/.test(n)&&Dh(o[o.length-1],e)?this:new r(Jl(this.done,e),this.undone,t,n)}addMapping(e){return new r(qo(this.done,e),qo(this.undone,e),this.prevTime,this.prevUserEvent)}pop(e,t,n){let i=e==0?this.done:this.undone;if(i.length==0)return null;let o=i[i.length-1],s=o.selectionsAfter[0]||(o.startSelection?o.startSelection.map(o.changes.invertedDesc,1):t.selection);if(n&&o.selectionsAfter.length)return t.update({selection:o.selectionsAfter[o.selectionsAfter.length-1],annotations:Go.of({side:e,rest:Rh(i),selection:s}),userEvent:e==0?"select.undo":"select.redo",scrollIntoView:!0});if(o.changes){let l=i.length==1?we:i.slice(0,i.length-1);return 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sa(r,e){return Oe(r,t=>t.empty?r.moveByGroup(t,e):oi(t,e))}var Ih=r=>sa(r,!Q(r)),Nh=r=>sa(r,Q(r));var Zy=typeof Intl<"u"&&Intl.Segmenter?new Intl.Segmenter(void 0,{granularity:"word"}):null;function Ph(r,e,t){if(e.type.prop(t))return!0;let n=e.to-e.from;return n&&(n>2||/[^\s,.;:]/.test(r.sliceDoc(e.from,e.to)))||e.firstChild}function si(r,e,t){let n=Se(r).resolveInner(e.head),i=t?H.closedBy:H.openedBy;for(let a=e.head;;){let u=t?n.childAfter(a):n.childBefore(a);if(!u)break;Ph(r,u,i)?n=u:a=t?u.to:u.from}let o=n.type.prop(i),s,l;return o&&(s=t?Te(r,n.from,1):Te(r,n.to,-1))&&s.matched?l=t?s.end.to:s.end.from:l=t?n.to:n.from,y.cursor(l,t?-1:1)}var Vh=r=>Oe(r,e=>si(r.state,e,!Q(r))),Hh=r=>Oe(r,e=>si(r.state,e,Q(r)));function la(r,e){return Oe(r,t=>{if(!t.empty)return oi(t,e);let n=r.moveVertically(t,e);return n.head!=t.head?n:r.moveToLineBoundary(t,e)})}var aa=r=>la(r,!1),ua=r=>la(r,!0);function ha(r){let e=r.scrollDOM.clientHeight<r.scrollDOM.scrollHeight-2,t=0,n=0,i;if(e){for(let o of r.state.facet(K.scrollMargins)){let s=o(r);s?.top&&(t=Math.max(s?.top,t)),s?.bottom&&(n=Math.max(s?.bottom,n))}i=r.scrollDOM.clientHeight-t-n}else i=(r.dom.ownerDocument.defaultView||window).innerHeight;return{marginTop:t,marginBottom:n,selfScroll:e,height:Math.max(r.defaultLineHeight,i-5)}}function ca(r,e){let t=ha(r),{state:n}=r,i=Zt(n.selection,s=>s.empty?r.moveVertically(s,e,t.height):oi(s,e));if(i.eq(n.selection))return!1;let o;if(t.selfScroll){let s=r.coordsAtPos(n.selection.main.head),l=r.scrollDOM.getBoundingClientRect(),a=l.top+t.marginTop,u=l.bottom-t.marginBottom;s&&s.top>a&&s.bottom<u&&(o=K.scrollIntoView(i.main.head,{y:"start",yMargin:s.top-a}))}return r.dispatch(Re(n,i),{effects:o}),!0}var Yl=r=>ca(r,!1),$o=r=>ca(r,!0);function it(r,e,t){let n=r.lineBlockAt(e.head),i=r.moveToLineBoundary(e,t);if(i.head==e.head&&i.head!=(t?n.to:n.from)&&(i=r.moveToLineBoundary(e,t,!1)),!t&&i.head==n.from&&n.length){let o=/^\s*/.exec(r.state.sliceDoc(n.from,Math.min(n.from+100,n.to)))[0].length;o&&e.head!=n.from+o&&(i=y.cursor(n.from+o))}return i}var Fh=r=>Oe(r,e=>it(r,e,!0)),Wh=r=>Oe(r,e=>it(r,e,!1)),zh=r=>Oe(r,e=>it(r,e,!Q(r))),Kh=r=>Oe(r,e=>it(r,e,Q(r))),Uh=r=>Oe(r,e=>y.cursor(r.lineBlockAt(e.head).from,1)),qh=r=>Oe(r,e=>y.cursor(r.lineBlockAt(e.head).to,-1));function Gh(r,e,t){let n=!1,i=Zt(r.selection,o=>{let s=Te(r,o.head,-1)||Te(r,o.head,1)||o.head>0&&Te(r,o.head-1,1)||o.head<r.doc.length&&Te(r,o.head+1,-1);if(!s||!s.end)return o;n=!0;let l=s.start.from==o.head?s.end.to:s.end.from;return t?y.range(o.anchor,l):y.cursor(l)});return n?(e(Re(r,i)),!0):!1}var jh=({state:r,dispatch:e})=>Gh(r,e,!1);function Ce(r,e){let t=Zt(r.state.selection,n=>{let i=e(n);return y.range(n.anchor,i.head,i.goalColumn,i.bidiLevel||void 0,i.assoc)});return t.eq(r.state.selection)?!1:(r.dispatch(Re(r.state,t)),!0)}function fa(r,e){return Ce(r,t=>r.moveByChar(t,e))}var da=r=>fa(r,!Q(r)),ma=r=>fa(r,Q(r));function pa(r,e){return Ce(r,t=>r.moveByGroup(t,e))}var Jh=r=>pa(r,!Q(r)),$h=r=>pa(r,Q(r));var Yh=r=>Ce(r,e=>si(r.state,e,!Q(r))),Xh=r=>Ce(r,e=>si(r.state,e,Q(r)));function ga(r,e){return Ce(r,t=>r.moveVertically(t,e))}var ba=r=>ga(r,!1),ya=r=>ga(r,!0);function xa(r,e){return Ce(r,t=>r.moveVertically(t,e,ha(r).height))}var Xl=r=>xa(r,!1),Ql=r=>xa(r,!0),Qh=r=>Ce(r,e=>it(r,e,!0)),Zh=r=>Ce(r,e=>it(r,e,!1)),_h=r=>Ce(r,e=>it(r,e,!Q(r))),ec=r=>Ce(r,e=>it(r,e,Q(r))),tc=r=>Ce(r,e=>y.cursor(r.lineBlockAt(e.head).from)),nc=r=>Ce(r,e=>y.cursor(r.lineBlockAt(e.head).to)),Zl=({state:r,dispatch:e})=>(e(Re(r,{anchor:0})),!0),_l=({state:r,dispatch:e})=>(e(Re(r,{anchor:r.doc.length})),!0),ea=({state:r,dispatch:e})=>(e(Re(r,{anchor:r.selection.main.anchor,head:0})),!0),ta=({state:r,dispatch:e})=>(e(Re(r,{anchor:r.selection.main.anchor,head:r.doc.length})),!0),rc=({state:r,dispatch:e})=>(e(r.update({selection:{anchor:0,head:r.doc.length},userEvent:"select"})),!0),ic=({state:r,dispatch:e})=>{let t=li(r).map(({from:n,to:i})=>y.range(n,Math.min(i+1,r.doc.length)));return e(r.update({selection:y.create(t),userEvent:"select"})),!0},oc=({state:r,dispatch:e})=>{let t=Zt(r.selection,n=>{let i=Se(r),o=i.resolveStack(n.from,1);if(n.empty){let s=i.resolveStack(n.from,-1);s.node.from>=o.node.from&&s.node.to<=o.node.to&&(o=s)}for(let s=o;s;s=s.next){let{node:l}=s;if((l.from<n.from&&l.to>=n.to||l.to>n.to&&l.from<=n.from)&&s.next)return y.range(l.to,l.from)}return n});return t.eq(r.selection)?!1:(e(Re(r,t)),!0)};function Sa(r,e){let{state:t}=r,n=t.selection,i=t.selection.ranges.slice();for(let o of t.selection.ranges){let s=t.doc.lineAt(o.head);if(e?s.to<r.state.doc.length:s.from>0)for(let l=o;;){let a=r.moveVertically(l,e);if(a.head<s.from||a.head>s.to){i.some(u=>u.head==a.head)||i.push(a);break}else{if(a.head==l.head)break;l=a}}}return i.length==n.ranges.length?!1:(r.dispatch(Re(t,y.create(i,i.length-1))),!0)}var sc=r=>Sa(r,!1),lc=r=>Sa(r,!0),ac=({state:r,dispatch:e})=>{let t=r.selection,n=null;return t.ranges.length>1?n=y.create([t.main]):t.main.empty||(n=y.create([y.cursor(t.main.head)])),n?(e(Re(r,n)),!0):!1};function Ln(r,e){if(r.state.readOnly)return!1;let t="delete.selection",{state:n}=r,i=n.changeByRange(o=>{let{from:s,to:l}=o;if(s==l){let a=e(o);a<s?(t="delete.backward",a=ii(r,a,!1)):a>s&&(t="delete.forward",a=ii(r,a,!0)),s=Math.min(s,a),l=Math.max(l,a)}else s=ii(r,s,!1),l=ii(r,l,!0);return s==l?{range:o}:{changes:{from:s,to:l},range:y.cursor(s,s<o.head?-1:1)}});return i.changes.empty?!1:(r.dispatch(n.update(i,{scrollIntoView:!0,userEvent:t,effects:t=="delete.selection"?K.announce.of(n.phrase("Selection deleted")):void 0})),!0)}function ii(r,e,t){if(r instanceof K)for(let n of r.state.facet(K.atomicRanges).map(i=>i(r)))n.between(e,e,(i,o)=>{i<e&&o>e&&(e=t?o:i)});return e}var Ta=(r,e,t)=>Ln(r,n=>{let i=n.from,{state:o}=r,s=o.doc.lineAt(i),l,a;if(t&&!e&&i>s.from&&i<s.from+200&&!/[^ \t]/.test(l=s.text.slice(0,i-s.from))){if(l[l.length-1]=="	")return i-1;let u=pt(l,o.tabSize),h=u%Xt(o)||Xt(o);for(let c=0;c<h&&l[l.length-1-c]==" ";c++)i--;a=i}else a=z(s.text,i-s.from,e,e)+s.from,a==i&&s.number!=(e?o.doc.lines:1)?a+=e?1:-1:!e&&/[\ufe00-\ufe0f]/.test(s.text.slice(a-s.from,i-s.from))&&(a=z(s.text,a-s.from,!1,!1)+s.from);return a}),Yo=r=>Ta(r,!1,!0);var wa=r=>Ta(r,!0,!1),Ca=(r,e)=>Ln(r,t=>{let n=t.head,{state:i}=r,o=i.doc.lineAt(n),s=i.charCategorizer(n);for(let l=null;;){if(n==(e?o.to:o.from)){n==t.head&&o.number!=(e?i.doc.lines:1)&&(n+=e?1:-1);break}let a=z(o.text,n-o.from,e)+o.from,u=o.text.slice(Math.min(n,a)-o.from,Math.max(n,a)-o.from),h=s(u);if(l!=null&&h!=l)break;(u!=" "||n!=t.head)&&(l=h),n=a}return n}),ka=r=>Ca(r,!1),uc=r=>Ca(r,!0);var hc=r=>Ln(r,e=>{let t=r.lineBlockAt(e.head).to;return e.head<t?t:Math.min(r.state.doc.length,e.head+1)});var cc=r=>Ln(r,e=>{let t=r.moveToLineBoundary(e,!1).head;return e.head>t?t:Math.max(0,e.head-1)}),fc=r=>Ln(r,e=>{let t=r.moveToLineBoundary(e,!0).head;return e.head<t?t:Math.min(r.state.doc.length,e.head+1)});var dc=({state:r,dispatch:e})=>{if(r.readOnly)return!1;let t=r.changeByRange(n=>({changes:{from:n.from,to:n.to,insert:A.of(["",""])},range:y.cursor(n.from)}));return e(r.update(t,{scrollIntoView:!0,userEvent:"input"})),!0},mc=({state:r,dispatch:e})=>{if(r.readOnly)return!1;let t=r.changeByRange(n=>{if(!n.empty||n.from==0||n.from==r.doc.length)return{range:n};let i=n.from,o=r.doc.lineAt(i),s=i==o.from?i-1:z(o.text,i-o.from,!1)+o.from,l=i==o.to?i+1:z(o.text,i-o.from,!0)+o.from;return{changes:{from:s,to:l,insert:r.doc.slice(i,l).append(r.doc.slice(s,i))},range:y.cursor(l)}});return t.changes.empty?!1:(e(r.update(t,{scrollIntoView:!0,userEvent:"move.character"})),!0)};function li(r){let e=[],t=-1;for(let n of r.selection.ranges){let i=r.doc.lineAt(n.from),o=r.doc.lineAt(n.to);if(!n.empty&&n.to==o.from&&(o=r.doc.lineAt(n.to-1)),t>=i.number){let s=e[e.length-1];s.to=o.to,s.ranges.push(n)}else e.push({from:i.from,to:o.to,ranges:[n]});t=o.number+1}return e}function va(r,e,t){if(r.readOnly)return!1;let n=[],i=[];for(let o of li(r)){if(t?o.to==r.doc.length:o.from==0)continue;let s=r.doc.lineAt(t?o.to+1:o.from-1),l=s.length+1;if(t){n.push({from:o.to,to:s.to},{from:o.from,insert:s.text+r.lineBreak});for(let a of o.ranges)i.push(y.range(Math.min(r.doc.length,a.anchor+l),Math.min(r.doc.length,a.head+l)))}else{n.push({from:s.from,to:o.from},{from:o.to,insert:r.lineBreak+s.text});for(let a of o.ranges)i.push(y.range(a.anchor-l,a.head-l))}}return n.length?(e(r.update({changes:n,scrollIntoView:!0,selection:y.create(i,r.selection.mainIndex),userEvent:"move.line"})),!0):!1}var pc=({state:r,dispatch:e})=>va(r,e,!1),gc=({state:r,dispatch:e})=>va(r,e,!0);function Ma(r,e,t){if(r.readOnly)return!1;let n=[];for(let o of li(r))t?n.push({from:o.from,insert:r.doc.slice(o.from,o.to)+r.lineBreak}):n.push({from:o.to,insert:r.lineBreak+r.doc.slice(o.from,o.to)});let i=r.changes(n);return e(r.update({changes:i,selection:r.selection.map(i,t?1:-1),scrollIntoView:!0,userEvent:"input.copyline"})),!0}var bc=({state:r,dispatch:e})=>Ma(r,e,!1),yc=({state:r,dispatch:e})=>Ma(r,e,!0),xc=r=>{if(r.state.readOnly)return!1;let{state:e}=r,t=e.changes(li(e).map(({from:i,to:o})=>(i>0?i--:o<e.doc.length&&o++,{from:i,to:o}))),n=Zt(e.selection,i=>{let o;if(r.lineWrapping){let s=r.lineBlockAt(i.head),l=r.coordsAtPos(i.head,i.assoc||1);l&&(o=s.bottom+r.documentTop-l.bottom+r.defaultLineHeight/2)}return r.moveVertically(i,!0,o)}).map(t);return r.dispatch({changes:t,selection:n,scrollIntoView:!0,userEvent:"delete.line"}),!0},Sc=({state:r,dispatch:e})=>(e(r.update(r.replaceSelection(r.lineBreak),{scrollIntoView:!0,userEvent:"input"})),!0);function Tc(r,e){if(/\(\)|\[\]|\{\}/.test(r.sliceDoc(e-1,e+1)))return{from:e,to:e};let t=Se(r).resolveInner(e),n=t.childBefore(e),i=t.childAfter(e),o;return n&&i&&n.to<=e&&i.from>=e&&(o=n.type.prop(H.closedBy))&&o.indexOf(i.name)>-1&&r.doc.lineAt(n.to).from==r.doc.lineAt(i.from).from&&!/\S/.test(r.sliceDoc(n.to,i.from))?{from:n.to,to:i.from}:null}var na=Ea(!1),wc=Ea(!0);function Ea(r){return({state:e,dispatch:t})=>{if(e.readOnly)return!1;let n=e.changeByRange(i=>{let{from:o,to:s}=i,l=e.doc.lineAt(o),a=!r&&o==s&&Tc(e,o);r&&(o=s=(s<=l.to?l:e.doc.lineAt(s)).to);let u=new rt(e,{simulateBreak:o,simulateDoubleBreak:!!a}),h=_r(u,o);for(h==null&&(h=pt(/^\s*/.exec(e.doc.lineAt(o).text)[0],e.tabSize));s<l.to&&/\s/.test(l.text[s-l.from]);)s++;a?{from:o,to:s}=a:o>l.from&&o<l.from+100&&!/\S/.test(l.text.slice(0,o))&&(o=l.from);let c=["",Qt(e,h)];return a&&c.push(Qt(e,u.lineIndent(l.from,-1))),{changes:{from:o,to:s,insert:A.of(c)},range:y.cursor(o+1+c[1].length)}});return t(e.update(n,{scrollIntoView:!0,userEvent:"input"})),!0}}function Xo(r,e){let t=-1;return r.changeByRange(n=>{let i=[];for(let s=n.from;s<=n.to;){let l=r.doc.lineAt(s);l.number>t&&(n.empty||n.to>l.from)&&(e(l,i,n),t=l.number),s=l.to+1}let o=r.changes(i);return{changes:i,range:y.range(o.mapPos(n.anchor,1),o.mapPos(n.head,1))}})}var Cc=({state:r,dispatch:e})=>{if(r.readOnly)return!1;let t=Object.create(null),n=new rt(r,{overrideIndentation:o=>{let s=t[o];return s??-1}}),i=Xo(r,(o,s,l)=>{let a=_r(n,o.from);if(a==null)return;/\S/.test(o.text)||(a=0);let u=/^\s*/.exec(o.text)[0],h=Qt(r,a);(u!=h||l.from<o.from+u.length)&&(t[o.from]=a,s.push({from:o.from,to:o.from+u.length,insert:h}))});return i.changes.empty||e(r.update(i,{userEvent:"indent"})),!0},kc=({state:r,dispatch:e})=>r.readOnly?!1:(e(r.update(Xo(r,(t,n)=>{n.push({from:t.from,insert:r.facet(Dn)})}),{userEvent:"input.indent"})),!0),vc=({state:r,dispatch:e})=>r.readOnly?!1:(e(r.update(Xo(r,(t,n)=>{let i=/^\s*/.exec(t.text)[0];if(!i)return;let o=pt(i,r.tabSize),s=0,l=Qt(r,Math.max(0,o-Xt(r)));for(;s<i.length&&s<l.length&&i.charCodeAt(s)==l.charCodeAt(s);)s++;n.push({from:t.from+s,to:t.from+i.length,insert:l.slice(s)})}),{userEvent:"delete.dedent"})),!0),Mc=r=>(r.setTabFocusMode(),!0);var Ec=[{key:"Ctrl-b",run:ia,shift:da,preventDefault:!0},{key:"Ctrl-f",run:oa,shift:ma},{key:"Ctrl-p",run:aa,shift:ba},{key:"Ctrl-n",run:ua,shift:ya},{key:"Ctrl-a",run:Uh,shift:tc},{key:"Ctrl-e",run:qh,shift:nc},{key:"Ctrl-d",run:wa},{key:"Ctrl-h",run:Yo},{key:"Ctrl-k",run:hc},{key:"Ctrl-Alt-h",run:ka},{key:"Ctrl-o",run:dc},{key:"Ctrl-t",run:mc},{key:"Ctrl-v",run:$o}],Aa=[{key:"ArrowLeft",run:ia,shift:da,preventDefault:!0},{key:"Mod-ArrowLeft",mac:"Alt-ArrowLeft",run:Ih,shift:Jh,preventDefault:!0},{mac:"Cmd-ArrowLeft",run:zh,shift:_h,preventDefault:!0},{key:"ArrowRight",run:oa,shift:ma,preventDefault:!0},{key:"Mod-ArrowRight",mac:"Alt-ArrowRight",run:Nh,shift:$h,preventDefault:!0},{mac:"Cmd-ArrowRight",run:Kh,shift:ec,preventDefault:!0},{key:"ArrowUp",run:aa,shift:ba,preventDefault:!0},{mac:"Cmd-ArrowUp",run:Zl,shift:ea},{mac:"Ctrl-ArrowUp",run:Yl,shift:Xl},{key:"ArrowDown",run:ua,shift:ya,preventDefault:!0},{mac:"Cmd-ArrowDown",run:_l,shift:ta},{mac:"Ctrl-ArrowDown",run:$o,shift:Ql},{key:"PageUp",run:Yl,shift:Xl},{key:"PageDown",run:$o,shift:Ql},{key:"Home",run:Wh,shift:Zh,preventDefault:!0},{key:"Mod-Home",run:Zl,shift:ea},{key:"End",run:Fh,shift:Qh,preventDefault:!0},{key:"Mod-End",run:_l,shift:ta},{key:"Enter",run:na,shift:na},{key:"Mod-a",run:rc},{key:"Backspace",run:Yo,shift:Yo,preventDefault:!0},{key:"Delete",run:wa,preventDefault:!0},{key:"Mod-Backspace",mac:"Alt-Backspace",run:ka,preventDefault:!0},{key:"Mod-Delete",mac:"Alt-Delete",run:uc,preventDefault:!0},{mac:"Mod-Backspace",run:cc,preventDefault:!0},{mac:"Mod-Delete",run:fc,preventDefault:!0}].concat(Ec.map(r=>({mac:r.key,run:r.run,shift:r.shift}))),_y=[{key:"Alt-ArrowLeft",mac:"Ctrl-ArrowLeft",run:Vh,shift:Yh},{key:"Alt-ArrowRight",mac:"Ctrl-ArrowRight",run:Hh,shift:Xh},{key:"Alt-ArrowUp",run:pc},{key:"Shift-Alt-ArrowUp",run:bc},{key:"Alt-ArrowDown",run:gc},{key:"Shift-Alt-ArrowDown",run:yc},{key:"Mod-Alt-ArrowUp",run:sc},{key:"Mod-Alt-ArrowDown",run:lc},{key:"Escape",run:ac},{key:"Mod-Enter",run:wc},{key:"Alt-l",mac:"Ctrl-l",run:ic},{key:"Mod-i",run:oc,preventDefault:!0},{key:"Mod-[",run:vc},{key:"Mod-]",run:kc},{key:"Mod-Alt-\\",run:Cc},{key:"Shift-Mod-k",run:xc},{key:"Shift-Mod-\\",run:jh},{key:"Mod-/",run:Hl},{key:"Alt-A",run:Fl},{key:"Ctrl-m",mac:"Shift-Alt-m",run:Mc}].concat(Aa);export{ht as Compartment,V as Decoration,y as EditorSelection,j as EditorState,K as EditorView,W as StateEffect,se as StateField,X as Transaction,ke as WidgetType,yl as drawSelection,Kl as history,$l as historyKeymap,Sc as insertNewline,jo as isolateHistory,Do as keymap,On as redo,Aa as standardKeymap,ri as undo};
	tricu A lazy functional language based on Tree Calculus
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