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this.value?this.value.startSide:0}get endSide(){return this.value?this.value.endSide:0}goto(t,e=-1e9){return this.chunkIndex=this.rangeIndex=0,this.gotoInner(t,e,!1),this}gotoInner(t,e,i){for(;this.chunkIndex=this.minPoint)break}}nextChunk(){this.chunkIndex++,this.rangeIndex=0,this.next()}compare(t){return this.from-t.from||this.startSide-t.startSide||this.to-t.to||this.endSide-t.endSide}}class Ot{constructor(t){this.heap=t}static from(i,n=null,r=-1){let s=[];for(let e=0;e=r&&s.push(new Dt(t,n,r,e));return 1==s.length?s[0]:new Ot(s)}get startSide(){return this.value?this.value.startSide:0}goto(t,e=-1e9){for(var i of this.heap)i.goto(t,e);for(let t=this.heap.length>>1;0<=t;t--)Lt(this.heap,t);return this.next(),this}forward(t,e){for(var i of this.heap)i.forward(t,e);for(let t=this.heap.length>>1;0<=t;t--)Lt(this.heap,t);(this.to-t||this.value.endSide-e)<0&&this.next()}next(){if(0==this.heap.length)this.from=this.to=1e9,this.value=null,this.rank=-1;else{let 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De.create(this.widget,this.length-t,this.side)}sync(){this.dom&&this.widget.updateDOM(this.dom)||(this.setDOM(this.widget.toDOM(this.editorView)),this.dom.contentEditable="false")}getSide(){return this.side}merge(t,e,i,n,r){return!(i&&(!(i instanceof De&&this.widget.compare(i.widget))||0i&&st?i[r]=Math.max(i[r],e):i.push(t,e)}Ie.prototype.point=!0;class qe extends be{constructor(){super(...arguments),this.children=[],this.length=0,this.prevAttrs=void 0,this.attrs=null,this.breakAfter=0}merge(t,e,i,n,r,s){if(i){if(!(i instanceof qe))return!1;this.dom||i.transferDOM(this)}return n&&this.setDeco(i?i.attrs:null),Le(this,t,e,i?i.children:Fe,r,s),!0}split(t){let e=new qe;if(e.breakAfter=this.breakAfter,0==this.length)return e;let{i,off:n}=this.childPos(t);n&&(e.append(this.children[i].slice(n),0),this.children[i].merge(n,this.children[i].length,null,0,0),i++);for(let t=i;t!t.length||t[0]});class ri{constructor(t,e){this.field=t,this.get=e}}class si{from(t){return new ri(this,t)}static define(){return new si}}si.decorations=si.define(),si.scrollMargins=si.define();let oi=0;const ai=E.define();class hi{constructor(t,e,i){this.id=t,this.create=e,this.fields=i,this.extension=ai.of(this)}static define(t,e){let{eventHandlers:i,provide:n,decorations:r}=e||{},s=[];if(n)for(var o of Array.isArray(n)?n:[n])s.push(o);return i&&s.push(li.from(t=>({plugin:t,handlers:i}))),r&&s.push(si.decorations.from(r)),new hi(oi++,t,s)}static fromClass(e,t){return hi.define(t=>new e(t),t)}}const li=si.define();class ci{constructor(t){this.spec=t,this.mustUpdate=null,this.value=null}takeField(t,e){for(var{field:i,get:n}of this.spec.fields)i==t&&e.push(n(this.value))}update(e){if(this.value){if(this.mustUpdate){var i=this.mustUpdate;if(this.mustUpdate=null,!this.value.update)return this;try{this.value.update(i)}catch(t){if(ii(i.state,t,"CodeMirror plugin crashed"),this.value.destroy)try{this.value.destroy()}catch(t){}return ci.dummy}}}else try{this.value=this.spec.create(e)}catch(t){return ii(e.state,t,"CodeMirror plugin crashed"),ci.dummy}return this}destroy(e){var t;if(null!==(t=this.value)&&void 0!==t&&t.destroy)try{this.value.destroy()}catch(t){ii(e.state,t,"CodeMirror plugin crashed")}}}ci.dummy=new ci(hi.define(()=>({})));const di=E.define({combine:t=>t.reduce((t,e)=>_e(e,t),{})}),ui=E.define({combine:t=>t.reduce((t,e)=>_e(e,t),{})}),fi=E.define(),pi=E.define();class gi{constructor(t,e,i,n){this.fromA=t,this.toA=e,this.fromB=i,this.toB=n}join(t){return new gi(Math.min(this.fromA,t.fromA),Math.max(this.toA,t.toA),Math.min(this.fromB,t.fromB),Math.max(this.toB,t.toB))}addToSet(t){let e=t.length,i=this;for(;0i.toA)){if(n.toAr.push(new gi(t,e,i,n))),this.changedRanges=r;i=t.hasFocus;i!=t.inputState.notifiedFocused&&(t.inputState.notifiedFocused=i,this.flags|=1),this.docChanged&&(this.flags|=2)}get viewportChanged(){return 0<(4&this.flags)}get heightChanged(){return 0<(2&this.flags)}get geometryChanged(){return this.docChanged||0<(18&this.flags)}get focusChanged(){return 0<(1&this.flags)}get docChanged(){return this.transactions.some(t=>t.docChanged)}get selectionSet(){return this.transactions.some(t=>t.selection)}get empty(){return 0==this.flags&&0==this.transactions.length}}class vi extends be{constructor(t){super(),this.view=t,this.compositionDeco=Ne.none,this.decorations=[],this.minWidth=0,this.minWidthFrom=0,this.minWidthTo=0,this.impreciseAnchor=null,this.impreciseHead=null,this.setDOM(t.contentDOM),this.children=[new qe],this.children[0].setParent(this),this.updateInner([new gi(0,0,0,t.state.doc.length)],this.updateDeco(),0)}get root(){return this.view.root}get editorView(){return this.view}get length(){return this.view.state.doc.length}update(t){let e=t.changedRanges;0ethis.minWidthTo)?(this.minWidthFrom=t.changes.mapPos(this.minWidthFrom,1),this.minWidthTo=t.changes.mapPos(this.minWidthTo,1)):this.minWidth=0),this.view.inputState.composing<0?this.compositionDeco=Ne.none:t.transactions.length&&(this.compositionDeco=function(t,e){var i=ne(t.root),i=i.focusNode&&bi(i.focusNode,i.focusOffset,0);if(!i)return Ne.none;let n=t.docView.nearest(i),r,s,o=i;if(n instanceof Ae){for(;n.parent instanceof Ae;)n=n.parent;r=n.posAtStart,s=r+n.length,o=n.dom}else{if(!(n instanceof qe))return Ne.none;{for(;o.parentNode!=n.dom;)o=o.parentNode;let t=o.previousSibling;for(;t&&!be.get(t);)t=t.previousSibling;r=s=t?be.get(t).posAtEnd:n.posAtStart}}let a=e.mapPos(r,1),h=Math.max(a,e.mapPos(s,-1)),l=i.nodeValue,{state:c}=t;if(h-a"pointerselection"==t.annotation(rt.userEvent));return 0==this.dirty&&0==e.length&&!(12&t.flags)&&t.state.selection.main.from>=this.view.viewport.from&&t.state.selection.main.to<=this.view.viewport.to?(this.updateSelection(s,o),!1):(this.updateInner(e,a,t.startState.doc.length,s,o),!0)}updateInner(t,e,i,n=!1,r=!1){this.updateChildren(t,e,i),this.view.observer.ignore(()=>{this.dom.style.height=this.view.viewState.domHeight+"px",this.dom.style.minWidth=this.minWidth?this.minWidth+"px":"";var t=ie.chrome?{node:ne(this.view.root).focusNode,written:!1}:void 0;this.sync(t),this.dirty=0,null!=t&&t.written&&(n=!0),this.updateSelection(n,r),this.dom.style.height=""})}updateChildren(e,i,t){let n=this.childCursor(t);for(let t=e.length-1;;t--){var r=0<=t?e[t]:null;if(!r)break;var{fromA:s,toA:o,fromB:a,toB:h}=r,{content:l,breakAtStart:c,openStart:d,openEnd:r}=Ue.build(this.view.state.doc,a,h,i),{i:a,off:h}=n.findPos(o,1),{i:o,off:s}=n.findPos(s,-1);this.replaceRange(o,s,a,h,l,c,d,r)}}replaceRange(e,i,n,r,s,o,a,h){let l=this.children[e],c=s.length?s[s.length-1]:null;var d=c?c.breakAfter:o;if(e!=n||o||d||!(s.length<2)||!l.merge(i,r,s.length?c:null,0==i,a,h)){let t=this.children[n];for(rn.node.insertBefore(t,n.node.childNodes[n.offset]||null)),n=r=new we(t,0),e=!0}let s=ne(this.root);!(e||!s.focusNode||ie.gecko&&i.empty&&xi(s.focusNode,s.focusOffset))&&ae(n.node,n.offset,s.anchorNode,s.anchorOffset)&&ae(r.node,r.offset,s.focusNode,s.focusOffset)||this.view.observer.ignore(()=>{var t,e;if(i.empty)ie.gecko&&(!(t=xi(n.node,n.offset))||3==t||(e=bi(n.node,n.offset,1==t?1:-1))&&(n=new we(e,1==t?0:e.nodeValue.length))),s.collapse(n.node,n.offset),null!=i.bidiLevel&&null!=s.cursorBidiLevel&&(s.cursorBidiLevel=i.bidiLevel);else if(s.extend)s.collapse(n.node,n.offset),s.extend(r.node,r.offset);else{let t=document.createRange();i.anchor>i.head&&([n,r]=[r,n]),t.setEnd(r.node,r.offset),t.setStart(n.node,n.offset),s.removeAllRanges(),s.addRange(t)}}),this.impreciseAnchor=n.precise?null:new we(s.anchorNode,s.anchorOffset),this.impreciseHead=r.precise?null:new we(s.focusNode,s.focusOffset)}}enforceCursorAssoc(){var t,e,i=this.view.state.selection.main;let n=ne(this.root);i.empty&&i.assoc&&n.modify&&((e=qe.find(this,i.head))&&(t=e.posAtStart,i.head!=t&&i.head!=t+e.length&&(t=this.coordsAt(i.head,-1),e=this.coordsAt(i.head,1),!t||!e||t.bottom>e.top||(e=this.domAtPos(i.head+i.assoc),n.collapse(e.node,e.offset),n.modify("move",i.assoc<0?"forward":"backward","lineboundary")))))}mayControlSelection(){return this.view.state.facet(ni)?this.root.activeElement==this.dom:se(this.dom,ne(this.root))}nearest(e){for(let t=e;t;){var i=be.get(t);if(i&&i.rootView==this)return i;t=t.parentNode}return null}posFromDOM(t,e){let i=this.nearest(t);if(!i)throw new RangeError("Trying to find position for a DOM position outside of the document");return i.localPosFromDOM(t,e)+i.posAtStart}domAtPos(t){let{i:e,off:i}=this.childCursor().findPos(t,-1);for(;e=s&&(r.push(t.dom.getBoundingClientRect().height),(h=t.dom.scrollWidth)>a&&(this.minWidth=a=h,this.minWidthFrom=i,this.minWidthTo=e)),i=e+t.breakAfter}return r}measureTextSize(){for(var t of this.children)if(t instanceof qe){t=t.measureTextSize();if(t)return t}let e=document.createElement("div"),i,n;return e.className="cm-line",e.textContent="abc def ghi jkl mno pqr stu",this.view.observer.ignore(()=>{this.dom.appendChild(e);var t=oe(e.firstChild)[0];i=e.getBoundingClientRect().height,n=t?t.width/27:7,e.remove()}),{lineHeight:i,charWidth:n}}childCursor(t=this.length){let e=this.children.length;return e&&(t-=this.children[--e].length),new ke(this.children,t,e)}computeBlockGapDeco(){let i=[],n=this.view.viewState;for(let t=0,e=0;;e++){var r,s=e==n.viewports.length?null:n.viewports[e],o=s?s.from-1:this.length;if(o>t&&(r=n.lineAt(o,0).bottom-n.lineAt(t,0).top,i.push(Ne.replace({widget:new wi(r),block:!0,inclusive:!0}).range(t,o))),!s)break;t=s.to+1}return Ne.set(i)}updateDeco(){return this.decorations=[this.computeBlockGapDeco(),this.view.viewState.lineGapDeco,this.compositionDeco,...this.view.state.facet(fi),...this.view.pluginField(si.decorations)]}scrollPosIntoView(t,r){var s,o,a,r=this.coordsAt(t,r);if(r){let t=0,e=0,i=0,n=0;for(var h of this.view.pluginField(si.scrollMargins))h&&({left:s,right:o,top:a,bottom:h}=h,null!=s&&(t=Math.max(t,s)),null!=o&&(e=Math.max(e,o)),null!=a&&(i=Math.max(i,a)),null!=h&&(n=Math.max(n,h)));!function(t,s){let e=t.ownerDocument,o=e.defaultView;for(let r=t.parentNode;r;)if(1==r.nodeType){let t,e=r==document.body;if(e)t={left:0,right:(h=o).innerWidth,top:0,bottom:h.innerHeight};else{if(r.scrollHeight<=r.clientHeight&&r.scrollWidth<=r.clientWidth){r=r.parentNode;continue}h=r.getBoundingClientRect();t={left:h.left,right:h.left+r.clientWidth,top:h.top,bottom:h.top+r.clientHeight}}let i=0,n=0;var a;if(s.topt.bottom&&(n=s.bottom-t.bottom+5),s.leftt.right&&(i=s.right-t.right+5),(i||n)&&(e?o.scrollBy(i,n):(n&&(a=r.scrollTop,r.scrollTop+=n,n=r.scrollTop-a),i&&(a=r.scrollLeft,r.scrollLeft+=i,i=r.scrollLeft-a),s={left:s.left-i,top:s.top-n,right:s.right-i,bottom:s.bottom-n})),e)break;r=r.parentNode}else{if(11!=r.nodeType)break;r=r.host}var h}(this.dom,{left:r.left-t,top:r.top-i,right:r.right+e,bottom:r.bottom+n})}}}class wi extends Pe{constructor(t){super(),this.height=t}toDOM(){var t=document.createElement("div");return this.updateDOM(t),t}eq(t){return t.height==this.height}updateDOM(t){return t.style.height=this.height+"px",!0}get estimatedHeight(){return this.height}}class yi extends Pe{constructor(t,e){super(),this.top=t,this.text=e}eq(t){return this.top==t.top&&this.text==t.text}toDOM(){return this.top}ignoreEvent(){return!1}get customView(){return Oe}}function bi(t,e,i){for(;;){if(3==t.nodeType)return t;if(1==t.nodeType&&0=i){if(o.level==n)return 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3==s.nodeType?qi(s,e,r):a||"true"!=s.contentEditable?{node:t,offset:Array.prototype.indexOf.call(t.childNodes,s)+(n>=(o.left+o.right)/2?1:0)}:Wi(s,e,r)}function qi(n,r,e){var t=n.nodeValue.length;let s=-1,o=1e9,a=0;for(let i=0;ie?l.top-e:e-l.bottom)-1;if(l.left-1<=r&&l.right+1>=r&&c=(l.left+l.right)/2,e=t;if((ie.chrome||ie.gecko)&&ve(n,i).getBoundingClientRect().left==l.right&&(e=!t),c<=0)return{node:n,offset:i+(e?1:0)};s=i+(e?1:0),o=c}}}}return{node:n,offset:-1i||s.bottomi?-1:1,i=Math.min(s.bottom-o,Math.max(s.top+o,i)),t)return-1;t=!0}if(s.type==ze.Text)break;i=0e.viewport.to)return e.viewport.to==e.state.doc.length?e.state.doc.length:null;t=Math.max(r.left+1,Math.min(r.right-1,t));let l=e.root,c=l.elementFromPoint(t,i),d,u=-1;return!c||!e.contentDOM.contains(c)||e.docView.nearest(c)instanceof De||(l.caretPositionFromPoint?(a=l.caretPositionFromPoint(t,i))&&({offsetNode:d,offset:u}=a):!l.caretRangeFromPoint||(a=l.caretRangeFromPoint(t,i))&&({startContainer:d,startOffset:u}=a,ie.safari&&function(e,t,i){let n;if(3!=e.nodeType||t!=(n=e.nodeValue.length))return!1;for(let t=e.nextSibling;t;t=e.nextSibling)if(1!=t.nodeType||"BR"!=t.nodeName)return!1;return ve(e,n-1,n).getBoundingClientRect().left>i}(d,u,t)&&(d=void 0))),d&&e.docView.dom.contains(d)||(h=qe.find(e.docView,h),{node:d,offset:u}=Wi(h.dom,t,i)),e.docView.posFromDOM(d,u)}function Ji(r,t,s,o){let a=r.state.doc.lineAt(t.head),h=r.bidiSpans(a);for(let i=t,n=null;;){let t=function(t,e,i,n,r){let s=n.head-t.from,o=-1;if(0==s){if(!r||!t.length)return null;e[0].level!=i&&(s=e[0].side(!1,i),o=0)}else if(s==t.length){if(r)return null;let t=e[e.length-1];t.level!=i&&(s=t.side(!0,i),o=e.length-1)}o<0&&(o=$i.find(e,s,null!==(h=n.bidiLevel)&&void 0!==h?h:-1,n.assoc));let a=e[o];s==a.side(r,i)&&(a=e[o+=r?1:-1],s=a.side(!r,i));var h=r==(a.dir==i),n=S(t.text,s,h);if(Ri=t.text.slice(Math.min(s,n),Math.max(s,n)),n!=a.side(r,i))return H.cursor(n+t.from,h?-1:1,a.level);let l=o==(r?e.length-1:0)?null:e[o+(r?1:-1)];return l||a.level==i?l&&l.level>1;for(let t=s<0?o.top:o.bottom,e=0;e<50;e+=10){var d=Fi(i,{x:l,y:t+(c+e)*s},s);if(null==d)break;if(d!=r)return H.cursor(d,void 0,void 0,h)}}let{doc:u}=i.state,f=u.lineAt(r),p=i.state.tabSize,g=t.goalColumn,m=0;if(null==g){for(const x=u.iterRange(f.from,r);!x.next().done;)m=A(x.value,m,p);g=m*i.defaultCharacterWidth}else m=Math.round(g/i.defaultCharacterWidth);if(s<0&&0==f.from)return H.cursor(0);if(0=m&&!k.next().done;){var{offset:y,leftOver:b}=function(e,i,n,r){for(let t=0;t{"keydown"==i&&this.keydown(n,t)||Yi(n,t)&&!this.ignoreDuringComposition(t)&&(this.mustFlushObserver(t)&&n.observer.forceFlush(),this.runCustomHandlers(i,n,t)?t.preventDefault():e(n,t))}),this.registeredEvents.push(i)}this.notifiedFocused=n.hasFocus,this.ensureHandlers(n)}setSelectionOrigin(t){this.lastSelectionOrigin=t,this.lastSelectionTime=Date.now()}ensureHandlers(i){var t;for(t of this.customHandlers=i.pluginField(li))for(let e in t.handlers)this.registeredEvents.indexOf(e)<0&&"scroll"!=e&&(this.registeredEvents.push(e),i.contentDOM.addEventListener(e,t=>{Yi(i,t)&&this.runCustomHandlers(e,i,t)&&t.preventDefault()}))}runCustomHandlers(i,n,r){for(var s of this.customHandlers){let t=s.handlers[i],e=!1;if(t){try{e=t.call(s.plugin,r,n)}catch(t){ii(n.state,t)}if(e||r.defaultPrevented)return ie.android&&"keydown"==i&&13==r.keyCode&&n.observer.flushSoon(),!0}}return!1}runScrollHandlers(e,i){for(var n of this.customHandlers){let t=n.handlers.scroll;if(t)try{t.call(n.plugin,i,e)}catch(t){ii(e.state,t)}}}keydown(t,e){if(this.lastKeyCode=e.keyCode,this.lastKeyTime=Date.now(),!this.screenKeyEvent(t,e))return!(!ie.ios||13!=e.keyCode&&8!=e.keyCode||e.ctrlKey||e.altKey||e.metaKey||e.synthetic)&&(this[13==e.keyCode?"lastIOSEnter":"lastIOSBackspace"]=Date.now(),!0)}ignoreDuringComposition(t){return!!/^key/.test(t.type)&&(0=e.clientX&&s.top<=e.clientY&&s.bottom>=e.clientY)return!0}return!1}(e,i)&&null,!1===this.dragging&&(i.preventDefault(),this.select(i))}move(t){if(0==t.buttons)return this.destroy();!1===this.dragging&&this.select(t)}up(t){null==this.dragging&&this.select(this.startEvent),this.dragging||t.preventDefault(),this.destroy()}destroy(){let t=this.view.contentDOM.ownerDocument;t.removeEventListener("mousemove",this.move),t.removeEventListener("mouseup",this.up),this.inputState.mouseSelection=null}select(t){let e=this.style.get(t,this.extend,this.multiple);e.eq(this.view.state.selection)&&e.main.assoc==this.view.state.selection.main.assoc||this.view.dispatch({selection:e,annotations:rt.userEvent.of("pointerselection"),scrollIntoView:!0})}update(t){t.docChanged&&this.dragging&&(this.dragging=this.dragging.map(t.changes)),this.style.update(t)}}function Yi(i,n){if(!n.bubbles)return 1;if(!n.defaultPrevented){for(let t=n.target,e;t!=i.contentDOM;t=t.parentNode)if(!t||11==t.nodeType||(e=be.get(t))&&e.ignoreEvent(n))return;return 1}}const Qi=Object.create(null),Zi=ie.ie&&ie.ie_version<15||ie.ios&&ie.webkit_version<604;function tn(t,r){let{state:s}=t,e,o=1,a=s.toText(r),h=a.lines==s.selection.ranges.length;if(cn&&s.selection.ranges.every(t=>t.empty)&&cn==a.toString()){let n=-1;e=s.changeByRange(t=>{var e=s.doc.lineAt(t.from);if(e.from==n)return{range:t};n=e.from;var i=s.toText((h?a.line(o++).text:r)+s.lineBreak);return{changes:{from:e.from,insert:i},range:H.cursor(t.from+i.length)}})}else 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