1 line
184 KiB
JavaScript
1 line
184 KiB
JavaScript
import{RangeSet,MapMode,EditorSelection,RangeValue,Facet,ChangeSet,EditorState,Transaction,Prec,StateEffect,codePointAt,codePointSize,RangeSetBuilder,countColumn,StateField,findClusterBreak,findColumn,Annotation,Text,combineConfig,CharCategory}from"@codemirror/state";const C="ͼ",COUNT="undefined"==typeof Symbol?"__ͼ":Symbol.for(C),SET="undefined"==typeof Symbol?"__styleSet"+Math.floor(1e8*Math.random()):Symbol("styleSet"),top="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:{};class StyleModule{constructor(t,e){this.rules=[];let{finish:i}=e||{};function o(t){return/^@/.test(t)?[t]:t.split(/,\s*/)}function s(t,e,n,r){let l=[],a=/^@(\w+)\b/.exec(t[0]),h=a&&"keyframes"==a[1];if(a&&null==e)return n.push(t[0]+";");for(let i in e){let r=e[i];if(/&/.test(i))s(i.split(/,\s*/).map((e=>t.map((t=>e.replace(/&/,t))))).reduce(((t,e)=>t.concat(e))),r,n);else if(r&&"object"==typeof r){if(!a)throw new RangeError("The value of a property ("+i+") should be a primitive value.");s(o(i),r,l,h)}else null!=r&&l.push(i.replace(/_.*/,"").replace(/[A-Z]/g,(t=>"-"+t.toLowerCase()))+": "+r+";")}(l.length||h)&&n.push((!i||a||r?t:t.map(i)).join(", ")+" {"+l.join(" ")+"}")}for(let e in t)s(o(e),t[e],this.rules)}getRules(){return this.rules.join("\n")}static newName(){let t=top[COUNT]||1;return top[COUNT]=t+1,C+t.toString(36)}static mount(t,e,i){let o=t[SET],s=i&&i.nonce;o?s&&o.setNonce(s):o=new StyleSet(t,s),o.mount(Array.isArray(e)?e:[e])}}let adoptedSet=new Map;class StyleSet{constructor(t,e){let i=t.ownerDocument||t,o=i.defaultView;if(!t.head&&t.adoptedStyleSheets&&o.CSSStyleSheet){let e=adoptedSet.get(i);if(e)return t.adoptedStyleSheets=[e.sheet,...t.adoptedStyleSheets],t[SET]=e;this.sheet=new o.CSSStyleSheet,t.adoptedStyleSheets=[this.sheet,...t.adoptedStyleSheets],adoptedSet.set(i,this)}else{this.styleTag=i.createElement("style"),e&&this.styleTag.setAttribute("nonce",e);let o=t.head||t;o.insertBefore(this.styleTag,o.firstChild)}this.modules=[],t[SET]=this}mount(t){let e=this.sheet,i=0,o=0;for(let s=0;s<t.length;s++){let n=t[s],r=this.modules.indexOf(n);if(r<o&&r>-1&&(this.modules.splice(r,1),o--,r=-1),-1==r){if(this.modules.splice(o++,0,n),e)for(let t=0;t<n.rules.length;t++)e.insertRule(n.rules[t],i++)}else{for(;o<r;)i+=this.modules[o++].rules.length;i+=n.rules.length,o++}}if(!e){let t="";for(let e=0;e<this.modules.length;e++)t+=this.modules[e].getRules()+"\n";this.styleTag.textContent=t}}setNonce(t){this.styleTag&&this.styleTag.getAttribute("nonce")!=t&&this.styleTag.setAttribute("nonce",t)}}for(var base={8:"Backspace",9:"Tab",10:"Enter",12:"NumLock",13:"Enter",16:"Shift",17:"Control",18:"Alt",20:"CapsLock",27:"Escape",32:" ",33:"PageUp",34:"PageDown",35:"End",36:"Home",37:"ArrowLeft",38:"ArrowUp",39:"ArrowRight",40:"ArrowDown",44:"PrintScreen",45:"Insert",46:"Delete",59:";",61:"=",91:"Meta",92:"Meta",106:"*",107:"+",108:",",109:"-",110:".",111:"/",144:"NumLock",145:"ScrollLock",160:"Shift",161:"Shift",162:"Control",163:"Control",164:"Alt",165:"Alt",173:"-",186:";",187:"=",188:",",189:"-",190:".",191:"/",192:"`",219:"[",220:"\\",221:"]",222:"'"},shift={48:")",49:"!",50:"@",51:"#",52:"$",53:"%",54:"^",55:"&",56:"*",57:"(",59:":",61:"+",173:"_",186:":",187:"+",188:"<",189:"_",190:">",191:"?",192:"~",219:"{",220:"|",221:"}",222:'"'},mac="undefined"!=typeof navigator&&/Mac/.test(navigator.platform),ie$1="undefined"!=typeof navigator&&/MSIE \d|Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(navigator.userAgent),i=0;i<10;i++)base[48+i]=base[96+i]=String(i);for(i=1;i<=24;i++)base[i+111]="F"+i;for(i=65;i<=90;i++)base[i]=String.fromCharCode(i+32),shift[i]=String.fromCharCode(i);for(var code in base)shift.hasOwnProperty(code)||(shift[code]=base[code]);function keyName(t){var e=!(mac&&t.metaKey&&t.shiftKey&&!t.ctrlKey&&!t.altKey||ie$1&&t.shiftKey&&t.key&&1==t.key.length||"Unidentified"==t.key)&&t.key||(t.shiftKey?shift:base)[t.keyCode]||t.key||"Unidentified";return"Esc"==e&&(e="Escape"),"Del"==e&&(e="Delete"),"Left"==e&&(e="ArrowLeft"),"Up"==e&&(e="ArrowUp"),"Right"==e&&(e="ArrowRight"),"Down"==e&&(e="ArrowDown"),e}function getSelection(t){let e;return e=11==t.nodeType?t.getSelection?t:t.ownerDocument:t,e.getSelection()}function contains(t,e){return!!e&&(t==e||t.contains(1!=e.nodeType?e.parentNode:e))}function deepActiveElement(t){let e=t.activeElement;for(;e&&e.shadowRoot;)e=e.shadowRoot.activeElement;return e}function hasSelection(t,e){if(!e.anchorNode)return!1;try{return contains(t,e.anchorNode)}catch(t){return!1}}function clientRectsFor(t){return 3==t.nodeType?textRange(t,0,t.nodeValue.length).getClientRects():1==t.nodeType?t.getClientRects():[]}function isEquivalentPosition(t,e,i,o){return!!i&&(scanFor(t,e,i,o,-1)||scanFor(t,e,i,o,1))}function domIndex(t){for(var e=0;;e++)if(!(t=t.previousSibling))return e}function scanFor(t,e,i,o,s){for(;;){if(t==i&&e==o)return!0;if(e==(s<0?0:maxOffset(t))){if("DIV"==t.nodeName)return!1;let i=t.parentNode;if(!i||1!=i.nodeType)return!1;e=domIndex(t)+(s<0?0:1),t=i}else{if(1!=t.nodeType)return!1;if(1==(t=t.childNodes[e+(s<0?-1:0)]).nodeType&&"false"==t.contentEditable)return!1;e=s<0?maxOffset(t):0}}}function maxOffset(t){return 3==t.nodeType?t.nodeValue.length:t.childNodes.length}function flattenRect(t,e){let i=e?t.left:t.right;return{left:i,right:i,top:t.top,bottom:t.bottom}}function windowRect(t){return{left:0,right:t.innerWidth,top:0,bottom:t.innerHeight}}function scrollRectIntoView(t,e,i,o,s,n,r,l){let a=t.ownerDocument,h=a.defaultView||window;for(let c=t,d=!1;c&&!d;)if(1==c.nodeType){let t,u=c==a.body;if(u)t=windowRect(h);else{if(/^(fixed|sticky)$/.test(getComputedStyle(c).position)&&(d=!0),c.scrollHeight<=c.clientHeight&&c.scrollWidth<=c.clientWidth){c=c.assignedSlot||c.parentNode;continue}let e=c.getBoundingClientRect();t={left:e.left,right:e.left+c.clientWidth,top:e.top,bottom:e.top+c.clientHeight}}let f=0,p=0;if("nearest"==s)e.top<t.top?(p=-(t.top-e.top+r),i>0&&e.bottom>t.bottom+p&&(p=e.bottom-t.bottom+p+r)):e.bottom>t.bottom&&(p=e.bottom-t.bottom+r,i<0&&e.top-p<t.top&&(p=-(t.top+p-e.top+r)));else{let o=e.bottom-e.top,n=t.bottom-t.top;p=("center"==s&&o<=n?e.top+o/2-n/2:"start"==s||"center"==s&&i<0?e.top-r:e.bottom-n+r)-t.top}if("nearest"==o)e.left<t.left?(f=-(t.left-e.left+n),i>0&&e.right>t.right+f&&(f=e.right-t.right+f+n)):e.right>t.right&&(f=e.right-t.right+n,i<0&&e.left<t.left+f&&(f=-(t.left+f-e.left+n)));else{f=("center"==o?e.left+(e.right-e.left)/2-(t.right-t.left)/2:"start"==o==l?e.left-n:e.right-(t.right-t.left)+n)-t.left}if(f||p)if(u)h.scrollBy(f,p);else{let t=0,i=0;if(p){let t=c.scrollTop;c.scrollTop+=p,i=c.scrollTop-t}if(f){let e=c.scrollLeft;c.scrollLeft+=f,t=c.scrollLeft-e}e={left:e.left-t,top:e.top-i,right:e.right-t,bottom:e.bottom-i},t&&Math.abs(t-f)<1&&(o="nearest"),i&&Math.abs(i-p)<1&&(s="nearest")}if(u)break;c=c.assignedSlot||c.parentNode}else{if(11!=c.nodeType)break;c=c.host}}function scrollableParent(t){let e=t.ownerDocument;for(let i=t.parentNode;i&&i!=e.body;)if(1==i.nodeType){if(i.scrollHeight>i.clientHeight||i.scrollWidth>i.clientWidth)return i;i=i.assignedSlot||i.parentNode}else{if(11!=i.nodeType)break;i=i.host}return null}class DOMSelectionState{constructor(){this.anchorNode=null,this.anchorOffset=0,this.focusNode=null,this.focusOffset=0}eq(t){return this.anchorNode==t.anchorNode&&this.anchorOffset==t.anchorOffset&&this.focusNode==t.focusNode&&this.focusOffset==t.focusOffset}setRange(t){let{anchorNode:e,focusNode:i}=t;this.set(e,Math.min(t.anchorOffset,e?maxOffset(e):0),i,Math.min(t.focusOffset,i?maxOffset(i):0))}set(t,e,i,o){this.anchorNode=t,this.anchorOffset=e,this.focusNode=i,this.focusOffset=o}}let scratchRange,preventScrollSupported=null;function focusPreventScroll(t){if(t.setActive)return t.setActive();if(preventScrollSupported)return t.focus(preventScrollSupported);let e=[];for(let i=t;i&&(e.push(i,i.scrollTop,i.scrollLeft),i!=i.ownerDocument);i=i.parentNode);if(t.focus(null==preventScrollSupported?{get preventScroll(){return preventScrollSupported={preventScroll:!0},!0}}:void 0),!preventScrollSupported){preventScrollSupported=!1;for(let t=0;t<e.length;){let i=e[t++],o=e[t++],s=e[t++];i.scrollTop!=o&&(i.scrollTop=o),i.scrollLeft!=s&&(i.scrollLeft=s)}}}function textRange(t,e,i=e){let o=scratchRange||(scratchRange=document.createRange());return o.setEnd(t,i),o.setStart(t,e),o}function dispatchKey(t,e,i){let o={key:e,code:e,keyCode:i,which:i,cancelable:!0},s=new KeyboardEvent("keydown",o);s.synthetic=!0,t.dispatchEvent(s);let n=new KeyboardEvent("keyup",o);return n.synthetic=!0,t.dispatchEvent(n),s.defaultPrevented||n.defaultPrevented}function getRoot(t){for(;t;){if(t&&(9==t.nodeType||11==t.nodeType&&t.host))return t;t=t.assignedSlot||t.parentNode}return null}function clearAttributes(t){for(;t.attributes.length;)t.removeAttributeNode(t.attributes[0])}function atElementStart(t,e){let i=e.focusNode,o=e.focusOffset;if(!i||e.anchorNode!=i||e.anchorOffset!=o)return!1;for(o=Math.min(o,maxOffset(i));;)if(o){if(1!=i.nodeType)return!1;let t=i.childNodes[o-1];"false"==t.contentEditable?o--:(i=t,o=maxOffset(i))}else{if(i==t)return!0;o=domIndex(i),i=i.parentNode}}function isScrolledToBottom(t){return t.scrollTop>Math.max(1,t.scrollHeight-t.clientHeight-4)}class DOMPos{constructor(t,e,i=!0){this.node=t,this.offset=e,this.precise=i}static before(t,e){return new DOMPos(t.parentNode,domIndex(t),e)}static after(t,e){return new DOMPos(t.parentNode,domIndex(t)+1,e)}}const noChildren=[];class ContentView{constructor(){this.parent=null,this.dom=null,this.flags=2}get overrideDOMText(){return null}get posAtStart(){return this.parent?this.parent.posBefore(this):0}get posAtEnd(){return this.posAtStart+this.length}posBefore(t){let e=this.posAtStart;for(let i of this.children){if(i==t)return e;e+=i.length+i.breakAfter}throw new RangeError("Invalid child in posBefore")}posAfter(t){return this.posBefore(t)+t.length}sync(t,e){if(2&this.flags){let i,o=this.dom,s=null;for(let n of this.children){if(7&n.flags){if(!n.dom&&(i=s?s.nextSibling:o.firstChild)){let t=ContentView.get(i);(!t||!t.parent&&t.canReuseDOM(n))&&n.reuseDOM(i)}n.sync(t,e),n.flags&=-8}if(i=s?s.nextSibling:o.firstChild,e&&!e.written&&e.node==o&&i!=n.dom&&(e.written=!0),n.dom.parentNode==o)for(;i&&i!=n.dom;)i=rm$1(i);else o.insertBefore(n.dom,i);s=n.dom}for(i=s?s.nextSibling:o.firstChild,i&&e&&e.node==o&&(e.written=!0);i;)i=rm$1(i)}else if(1&this.flags)for(let i of this.children)7&i.flags&&(i.sync(t,e),i.flags&=-8)}reuseDOM(t){}localPosFromDOM(t,e){let i;if(t==this.dom)i=this.dom.childNodes[e];else{let o=0==maxOffset(t)?0:0==e?-1:1;for(;;){let e=t.parentNode;if(e==this.dom)break;0==o&&e.firstChild!=e.lastChild&&(o=t==e.firstChild?-1:1),t=e}i=o<0?t:t.nextSibling}if(i==this.dom.firstChild)return 0;for(;i&&!ContentView.get(i);)i=i.nextSibling;if(!i)return this.length;for(let t=0,e=0;;t++){let o=this.children[t];if(o.dom==i)return e;e+=o.length+o.breakAfter}}domBoundsAround(t,e,i=0){let o=-1,s=-1,n=-1,r=-1;for(let l=0,a=i,h=i;l<this.children.length;l++){let i=this.children[l],c=a+i.length;if(a<t&&c>e)return i.domBoundsAround(t,e,a);if(c>=t&&-1==o&&(o=l,s=a),a>e&&i.dom.parentNode==this.dom){n=l,r=h;break}h=c,a=c+i.breakAfter}return{from:s,to:r<0?i+this.length:r,startDOM:(o?this.children[o-1].dom.nextSibling:null)||this.dom.firstChild,endDOM:n<this.children.length&&n>=0?this.children[n].dom:null}}markDirty(t=!1){this.flags|=2,this.markParentsDirty(t)}markParentsDirty(t){for(let e=this.parent;e;e=e.parent){if(t&&(e.flags|=2),1&e.flags)return;e.flags|=1,t=!1}}setParent(t){this.parent!=t&&(this.parent=t,7&this.flags&&this.markParentsDirty(!0))}setDOM(t){this.dom&&(this.dom.cmView=null),this.dom=t,t.cmView=this}get rootView(){for(let t=this;;){let e=t.parent;if(!e)return t;t=e}}replaceChildren(t,e,i=noChildren){this.markDirty();for(let i=t;i<e;i++){let t=this.children[i];t.parent==this&&t.destroy()}this.children.splice(t,e-t,...i);for(let t=0;t<i.length;t++)i[t].setParent(this)}ignoreMutation(t){return!1}ignoreEvent(t){return!1}childCursor(t=this.length){return new ChildCursor(this.children,t,this.children.length)}childPos(t,e=1){return this.childCursor().findPos(t,e)}toString(){let t=this.constructor.name.replace("View","");return t+(this.children.length?"("+this.children.join()+")":this.length?"["+("Text"==t?this.text:this.length)+"]":"")+(this.breakAfter?"#":"")}static get(t){return t.cmView}get isEditable(){return!0}get isWidget(){return!1}get isHidden(){return!1}merge(t,e,i,o,s,n){return!1}become(t){return!1}canReuseDOM(t){return t.constructor==this.constructor&&!(8&(this.flags|t.flags))}getSide(){return 0}destroy(){this.parent=null}}function rm$1(t){let e=t.nextSibling;return t.parentNode.removeChild(t),e}ContentView.prototype.breakAfter=0;class ChildCursor{constructor(t,e,i){this.children=t,this.pos=e,this.i=i,this.off=0}findPos(t,e=1){for(;;){if(t>this.pos||t==this.pos&&(e>0||0==this.i||this.children[this.i-1].breakAfter))return this.off=t-this.pos,this;let i=this.children[--this.i];this.pos-=i.length+i.breakAfter}}}function replaceRange(t,e,i,o,s,n,r,l,a){let{children:h}=t,c=h.length?h[e]:null,d=n.length?n[n.length-1]:null,u=d?d.breakAfter:r;if(!(e==o&&c&&!r&&!u&&n.length<2&&c.merge(i,s,n.length?d:null,0==i,l,a))){if(o<h.length){let t=h[o];t&&s<t.length?(e==o&&(t=t.split(s),s=0),!u&&d&&t.merge(0,s,d,!0,0,a)?n[n.length-1]=t:(s&&t.merge(0,s,null,!1,0,a),n.push(t))):(null==t?void 0:t.breakAfter)&&(d?d.breakAfter=1:r=1),o++}for(c&&(c.breakAfter=r,i>0&&(!r&&n.length&&c.merge(i,c.length,n[0],!1,l,0)?c.breakAfter=n.shift().breakAfter:(i<c.length||c.children.length&&0==c.children[c.children.length-1].length)&&c.merge(i,c.length,null,!1,l,0),e++));e<o&&n.length;)if(h[o-1].become(n[n.length-1]))o--,n.pop(),a=n.length?0:l;else{if(!h[e].become(n[0]))break;e++,n.shift(),l=n.length?0:a}!n.length&&e&&o<h.length&&!h[e-1].breakAfter&&h[o].merge(0,0,h[e-1],!1,l,a)&&e--,(e<o||n.length)&&t.replaceChildren(e,o,n)}}function mergeChildrenInto(t,e,i,o,s,n){let r=t.childCursor(),{i:l,off:a}=r.findPos(i,1),{i:h,off:c}=r.findPos(e,-1),d=e-i;for(let t of o)d+=t.length;t.length+=d,replaceRange(t,h,c,l,a,o,0,s,n)}const LineBreakPlaceholder="";class DOMReader{constructor(t,e){this.points=t,this.text="",this.lineSeparator=e.facet(EditorState.lineSeparator)}append(t){this.text+=t}lineBreak(){this.text+=LineBreakPlaceholder}readRange(t,e){if(!t)return this;let i=t.parentNode;for(let o=t;;){this.findPointBefore(i,o);let t=this.text.length;this.readNode(o);let s=o.nextSibling;if(s==e)break;let n=ContentView.get(o),r=ContentView.get(s);(n&&r?n.breakAfter:(n?n.breakAfter:isBlockElement(o))||isBlockElement(s)&&("BR"!=o.nodeName||o.cmIgnore)&&this.text.length>t)&&this.lineBreak(),o=s}return this.findPointBefore(i,e),this}readTextNode(t){let e=t.nodeValue;for(let i of this.points)i.node==t&&(i.pos=this.text.length+Math.min(i.offset,e.length));for(let i=0,o=this.lineSeparator?null:/\r\n?|\n/g;;){let s,n=-1,r=1;if(this.lineSeparator?(n=e.indexOf(this.lineSeparator,i),r=this.lineSeparator.length):(s=o.exec(e))&&(n=s.index,r=s[0].length),this.append(e.slice(i,n<0?e.length:n)),n<0)break;if(this.lineBreak(),r>1)for(let e of this.points)e.node==t&&e.pos>this.text.length&&(e.pos-=r-1);i=n+r}}readNode(t){if(t.cmIgnore)return;let e=ContentView.get(t),i=e&&e.overrideDOMText;if(null!=i){this.findPointInside(t,i.length);for(let t=i.iter();!t.next().done;)t.lineBreak?this.lineBreak():this.append(t.value)}else 3==t.nodeType?this.readTextNode(t):"BR"==t.nodeName?t.nextSibling&&this.lineBreak():1==t.nodeType&&this.readRange(t.firstChild,null)}findPointBefore(t,e){for(let i of this.points)i.node==t&&t.childNodes[i.offset]==e&&(i.pos=this.text.length)}findPointInside(t,e){for(let i of this.points)(3==t.nodeType?i.node==t:t.contains(i.node))&&(i.pos=this.text.length+Math.min(e,i.offset))}}function isBlockElement(t){return 1==t.nodeType&&/^(DIV|P|LI|UL|OL|BLOCKQUOTE|DD|DT|H\d|SECTION|PRE)$/.test(t.nodeName)}class DOMPoint{constructor(t,e){this.node=t,this.offset=e,this.pos=-1}}let nav="undefined"!=typeof navigator?navigator:{userAgent:"",vendor:"",platform:""},doc="undefined"!=typeof document?document:{documentElement:{style:{}}};const ie_edge=/Edge\/(\d+)/.exec(nav.userAgent),ie_upto10=/MSIE \d/.test(nav.userAgent),ie_11up=/Trident\/(?:[7-9]|\d{2,})\..*rv:(\d+)/.exec(nav.userAgent),ie=!!(ie_upto10||ie_11up||ie_edge),gecko=!ie&&/gecko\/(\d+)/i.test(nav.userAgent),chrome=!ie&&/Chrome\/(\d+)/.exec(nav.userAgent),webkit="webkitFontSmoothing"in doc.documentElement.style,safari=!ie&&/Apple Computer/.test(nav.vendor),ios=safari&&(/Mobile\/\w+/.test(nav.userAgent)||nav.maxTouchPoints>2);var browser={mac:ios||/Mac/.test(nav.platform),windows:/Win/.test(nav.platform),linux:/Linux|X11/.test(nav.platform),ie:ie,ie_version:ie_upto10?doc.documentMode||6:ie_11up?+ie_11up[1]:ie_edge?+ie_edge[1]:0,gecko:gecko,gecko_version:gecko?+(/Firefox\/(\d+)/.exec(nav.userAgent)||[0,0])[1]:0,chrome:!!chrome,chrome_version:chrome?+chrome[1]:0,ios:ios,android:/Android\b/.test(nav.userAgent),webkit:webkit,safari:safari,webkit_version:webkit?+(/\bAppleWebKit\/(\d+)/.exec(navigator.userAgent)||[0,0])[1]:0,tabSize:null!=doc.documentElement.style.tabSize?"tab-size":"-moz-tab-size"};const MaxJoinLen=256;class TextView extends ContentView{constructor(t){super(),this.text=t}get length(){return this.text.length}createDOM(t){this.setDOM(t||document.createTextNode(this.text))}sync(t,e){this.dom||this.createDOM(),this.dom.nodeValue!=this.text&&(e&&e.node==this.dom&&(e.written=!0),this.dom.nodeValue=this.text)}reuseDOM(t){3==t.nodeType&&this.createDOM(t)}merge(t,e,i){return!(8&this.flags||i&&(!(i instanceof TextView)||this.length-(e-t)+i.length>256||8&i.flags))&&(this.text=this.text.slice(0,t)+(i?i.text:"")+this.text.slice(e),this.markDirty(),!0)}split(t){let e=new TextView(this.text.slice(t));return this.text=this.text.slice(0,t),this.markDirty(),e.flags|=8&this.flags,e}localPosFromDOM(t,e){return t==this.dom?e:e?this.text.length:0}domAtPos(t){return new DOMPos(this.dom,t)}domBoundsAround(t,e,i){return{from:i,to:i+this.length,startDOM:this.dom,endDOM:this.dom.nextSibling}}coordsAt(t,e){return textCoords(this.dom,t,e)}}class MarkView extends ContentView{constructor(t,e=[],i=0){super(),this.mark=t,this.children=e,this.length=i;for(let t of e)t.setParent(this)}setAttrs(t){if(clearAttributes(t),this.mark.class&&(t.className=this.mark.class),this.mark.attrs)for(let e in this.mark.attrs)t.setAttribute(e,this.mark.attrs[e]);return t}canReuseDOM(t){return super.canReuseDOM(t)&&!(8&(this.flags|t.flags))}reuseDOM(t){t.nodeName==this.mark.tagName.toUpperCase()&&(this.setDOM(t),this.flags|=6)}sync(t,e){this.dom?4&this.flags&&this.setAttrs(this.dom):this.setDOM(this.setAttrs(document.createElement(this.mark.tagName))),super.sync(t,e)}merge(t,e,i,o,s,n){return(!i||!(!(i instanceof MarkView&&i.mark.eq(this.mark))||t&&s<=0||e<this.length&&n<=0))&&(mergeChildrenInto(this,t,e,i?i.children:[],s-1,n-1),this.markDirty(),!0)}split(t){let e=[],i=0,o=-1,s=0;for(let n of this.children){let r=i+n.length;r>t&&e.push(i<t?n.split(t-i):n),o<0&&i>=t&&(o=s),i=r,s++}let n=this.length-t;return this.length=t,o>-1&&(this.children.length=o,this.markDirty()),new MarkView(this.mark,e,n)}domAtPos(t){return inlineDOMAtPos(this,t)}coordsAt(t,e){return coordsInChildren(this,t,e)}}function textCoords(t,e,i){let o=t.nodeValue.length;e>o&&(e=o);let s=e,n=e,r=0;0==e&&i<0||e==o&&i>=0?browser.chrome||browser.gecko||(e?(s--,r=1):n<o&&(n++,r=-1)):i<0?s--:n<o&&n++;let l=textRange(t,s,n).getClientRects();if(!l.length)return null;let a=l[(r?r<0:i>=0)?0:l.length-1];return browser.safari&&!r&&0==a.width&&(a=Array.prototype.find.call(l,(t=>t.width))||a),r?flattenRect(a,r<0):a||null}class WidgetView extends ContentView{static create(t,e,i){return new WidgetView(t,e,i)}constructor(t,e,i){super(),this.widget=t,this.length=e,this.side=i,this.prevWidget=null}split(t){let e=WidgetView.create(this.widget,this.length-t,this.side);return this.length-=t,e}sync(t){this.dom&&this.widget.updateDOM(this.dom,t)||(this.dom&&this.prevWidget&&this.prevWidget.destroy(this.dom),this.prevWidget=null,this.setDOM(this.widget.toDOM(t)),this.dom.contentEditable="false")}getSide(){return this.side}merge(t,e,i,o,s,n){return!(i&&(!(i instanceof WidgetView&&this.widget.compare(i.widget))||t>0&&s<=0||e<this.length&&n<=0))&&(this.length=t+(i?i.length:0)+(this.length-e),!0)}become(t){return t instanceof WidgetView&&t.side==this.side&&this.widget.constructor==t.widget.constructor&&(this.widget.compare(t.widget)||this.markDirty(!0),this.dom&&!this.prevWidget&&(this.prevWidget=this.widget),this.widget=t.widget,this.length=t.length,!0)}ignoreMutation(){return!0}ignoreEvent(t){return this.widget.ignoreEvent(t)}get overrideDOMText(){if(0==this.length)return Text.empty;let t=this;for(;t.parent;)t=t.parent;let{view:e}=t,i=e&&e.state.doc,o=this.posAtStart;return i?i.slice(o,o+this.length):Text.empty}domAtPos(t){return(this.length?0==t:this.side>0)?DOMPos.before(this.dom):DOMPos.after(this.dom,t==this.length)}domBoundsAround(){return null}coordsAt(t,e){let i=this.widget.coordsAt(this.dom,t,e);if(i)return i;let o=this.dom.getClientRects(),s=null;if(!o.length)return null;let n=this.side?this.side<0:t>0;for(let e=n?o.length-1:0;s=o[e],!(t>0?0==e:e==o.length-1||s.top<s.bottom);e+=n?-1:1);return flattenRect(s,!n)}get isEditable(){return!1}get isWidget(){return!0}get isHidden(){return this.widget.isHidden}destroy(){super.destroy(),this.dom&&this.widget.destroy(this.dom)}}class WidgetBufferView extends ContentView{constructor(t){super(),this.side=t}get length(){return 0}merge(){return!1}become(t){return t instanceof WidgetBufferView&&t.side==this.side}split(){return new WidgetBufferView(this.side)}sync(){if(!this.dom){let t=document.createElement("img");t.className="cm-widgetBuffer",t.setAttribute("aria-hidden","true"),this.setDOM(t)}}getSide(){return this.side}domAtPos(t){return this.side>0?DOMPos.before(this.dom):DOMPos.after(this.dom)}localPosFromDOM(){return 0}domBoundsAround(){return null}coordsAt(t){return this.dom.getBoundingClientRect()}get overrideDOMText(){return Text.empty}get isHidden(){return!0}}function inlineDOMAtPos(t,e){let i=t.dom,{children:o}=t,s=0;for(let t=0;s<o.length;s++){let n=o[s],r=t+n.length;if(!(r==t&&n.getSide()<=0)){if(e>t&&e<r&&n.dom.parentNode==i)return n.domAtPos(e-t);if(e<=t)break;t=r}}for(let t=s;t>0;t--){let e=o[t-1];if(e.dom.parentNode==i)return e.domAtPos(e.length)}for(let t=s;t<o.length;t++){let e=o[t];if(e.dom.parentNode==i)return e.domAtPos(0)}return new DOMPos(i,0)}function joinInlineInto(t,e,i){let o,{children:s}=t;i>0&&e instanceof MarkView&&s.length&&(o=s[s.length-1])instanceof MarkView&&o.mark.eq(e.mark)?joinInlineInto(o,e.children[0],i-1):(s.push(e),e.setParent(t)),t.length+=e.length}function coordsInChildren(t,e,i){let o=null,s=-1,n=null,r=-1;!function t(e,l){for(let a=0,h=0;a<e.children.length&&h<=l;a++){let c=e.children[a],d=h+c.length;d>=l&&(c.children.length?t(c,l-h):(!n||n.isHidden&&i>0)&&(d>l||h==d&&c.getSide()>0)?(n=c,r=l-h):(h<l||h==d&&c.getSide()<0&&!c.isHidden)&&(o=c,s=l-h)),h=d}}(t,e);let l=(i<0?o:n)||o||n;return l?l.coordsAt(Math.max(0,l==o?s:r),i):fallbackRect(t)}function fallbackRect(t){let e=t.dom.lastChild;if(!e)return t.dom.getBoundingClientRect();let i=clientRectsFor(e);return i[i.length-1]||null}function combineAttrs(t,e){for(let i in t)"class"==i&&e.class?e.class+=" "+t.class:"style"==i&&e.style?e.style+=";"+t.style:e[i]=t[i];return e}TextView.prototype.children=WidgetView.prototype.children=WidgetBufferView.prototype.children=noChildren;const noAttrs=Object.create(null);function attrsEq(t,e,i){if(t==e)return!0;t||(t=noAttrs),e||(e=noAttrs);let o=Object.keys(t),s=Object.keys(e);if(o.length-(i&&o.indexOf(i)>-1?1:0)!=s.length-(i&&s.indexOf(i)>-1?1:0))return!1;for(let n of o)if(n!=i&&(-1==s.indexOf(n)||t[n]!==e[n]))return!1;return!0}function updateAttrs(t,e,i){let o=!1;if(e)for(let s in e)i&&s in i||(o=!0,"style"==s?t.style.cssText="":t.removeAttribute(s));if(i)for(let s in i)e&&e[s]==i[s]||(o=!0,"style"==s?t.style.cssText=i[s]:t.setAttribute(s,i[s]));return o}function getAttrs(t){let e=Object.create(null);for(let i=0;i<t.attributes.length;i++){let o=t.attributes[i];e[o.name]=o.value}return e}class WidgetType{eq(t){return!1}updateDOM(t,e){return!1}compare(t){return this==t||this.constructor==t.constructor&&this.eq(t)}get estimatedHeight(){return-1}get lineBreaks(){return 0}ignoreEvent(t){return!0}coordsAt(t,e,i){return null}get isHidden(){return!1}destroy(t){}}var BlockType=function(t){return t[t.Text=0]="Text",t[t.WidgetBefore=1]="WidgetBefore",t[t.WidgetAfter=2]="WidgetAfter",t[t.WidgetRange=3]="WidgetRange",t}(BlockType||(BlockType={}));class Decoration extends RangeValue{constructor(t,e,i,o){super(),this.startSide=t,this.endSide=e,this.widget=i,this.spec=o}get heightRelevant(){return!1}static mark(t){return new MarkDecoration(t)}static widget(t){let e=Math.max(-1e4,Math.min(1e4,t.side||0)),i=!!t.block;return e+=i&&!t.inlineOrder?e>0?3e8:-4e8:e>0?1e8:-1e8,new PointDecoration(t,e,e,i,t.widget||null,!1)}static replace(t){let e,i,o=!!t.block;if(t.isBlockGap)e=-5e8,i=4e8;else{let{start:s,end:n}=getInclusive(t,o);e=(s?o?-3e8:-1:5e8)-1,i=1+(n?o?2e8:1:-6e8)}return new PointDecoration(t,e,i,o,t.widget||null,!0)}static line(t){return new LineDecoration(t)}static set(t,e=!1){return RangeSet.of(t,e)}hasHeight(){return!!this.widget&&this.widget.estimatedHeight>-1}}Decoration.none=RangeSet.empty;class MarkDecoration extends Decoration{constructor(t){let{start:e,end:i}=getInclusive(t);super(e?-1:5e8,i?1:-6e8,null,t),this.tagName=t.tagName||"span",this.class=t.class||"",this.attrs=t.attributes||null}eq(t){var e,i;return this==t||t instanceof MarkDecoration&&this.tagName==t.tagName&&(this.class||(null===(e=this.attrs)||void 0===e?void 0:e.class))==(t.class||(null===(i=t.attrs)||void 0===i?void 0:i.class))&&attrsEq(this.attrs,t.attrs,"class")}range(t,e=t){if(t>=e)throw new RangeError("Mark decorations may not be empty");return super.range(t,e)}}MarkDecoration.prototype.point=!1;class LineDecoration extends Decoration{constructor(t){super(-2e8,-2e8,null,t)}eq(t){return t instanceof LineDecoration&&this.spec.class==t.spec.class&&attrsEq(this.spec.attributes,t.spec.attributes)}range(t,e=t){if(e!=t)throw new RangeError("Line decoration ranges must be zero-length");return super.range(t,e)}}LineDecoration.prototype.mapMode=MapMode.TrackBefore,LineDecoration.prototype.point=!0;class PointDecoration extends Decoration{constructor(t,e,i,o,s,n){super(e,i,s,t),this.block=o,this.isReplace=n,this.mapMode=o?e<=0?MapMode.TrackBefore:MapMode.TrackAfter:MapMode.TrackDel}get type(){return this.startSide<this.endSide?BlockType.WidgetRange:this.startSide<=0?BlockType.WidgetBefore:BlockType.WidgetAfter}get heightRelevant(){return this.block||!!this.widget&&(this.widget.estimatedHeight>=5||this.widget.lineBreaks>0)}eq(t){return t instanceof PointDecoration&&widgetsEq(this.widget,t.widget)&&this.block==t.block&&this.startSide==t.startSide&&this.endSide==t.endSide}range(t,e=t){if(this.isReplace&&(t>e||t==e&&this.startSide>0&&this.endSide<=0))throw new RangeError("Invalid range for replacement decoration");if(!this.isReplace&&e!=t)throw new RangeError("Widget decorations can only have zero-length ranges");return super.range(t,e)}}function getInclusive(t,e=!1){let{inclusiveStart:i,inclusiveEnd:o}=t;return null==i&&(i=t.inclusive),null==o&&(o=t.inclusive),{start:null!=i?i:e,end:null!=o?o:e}}function widgetsEq(t,e){return t==e||!!(t&&e&&t.compare(e))}function addRange(t,e,i,o=0){let s=i.length-1;s>=0&&i[s]+o>=t?i[s]=Math.max(i[s],e):i.push(t,e)}PointDecoration.prototype.point=!0;class LineView extends ContentView{constructor(){super(...arguments),this.children=[],this.length=0,this.prevAttrs=void 0,this.attrs=null,this.breakAfter=0}merge(t,e,i,o,s,n){if(i){if(!(i instanceof LineView))return!1;this.dom||i.transferDOM(this)}return o&&this.setDeco(i?i.attrs:null),mergeChildrenInto(this,t,e,i?i.children:[],s,n),!0}split(t){let e=new LineView;if(e.breakAfter=this.breakAfter,0==this.length)return e;let{i:i,off:o}=this.childPos(t);o&&(e.append(this.children[i].split(o),0),this.children[i].merge(o,this.children[i].length,null,!1,0,0),i++);for(let t=i;t<this.children.length;t++)e.append(this.children[t],0);for(;i>0&&0==this.children[i-1].length;)this.children[--i].destroy();return this.children.length=i,this.markDirty(),this.length=t,e}transferDOM(t){this.dom&&(this.markDirty(),t.setDOM(this.dom),t.prevAttrs=void 0===this.prevAttrs?this.attrs:this.prevAttrs,this.prevAttrs=void 0,this.dom=null)}setDeco(t){attrsEq(this.attrs,t)||(this.dom&&(this.prevAttrs=this.attrs,this.markDirty()),this.attrs=t)}append(t,e){joinInlineInto(this,t,e)}addLineDeco(t){let e=t.spec.attributes,i=t.spec.class;e&&(this.attrs=combineAttrs(e,this.attrs||{})),i&&(this.attrs=combineAttrs({class:i},this.attrs||{}))}domAtPos(t){return inlineDOMAtPos(this,t)}reuseDOM(t){"DIV"==t.nodeName&&(this.setDOM(t),this.flags|=6)}sync(t,e){var i;this.dom?4&this.flags&&(clearAttributes(this.dom),this.dom.className="cm-line",this.prevAttrs=this.attrs?null:void 0):(this.setDOM(document.createElement("div")),this.dom.className="cm-line",this.prevAttrs=this.attrs?null:void 0),void 0!==this.prevAttrs&&(updateAttrs(this.dom,this.prevAttrs,this.attrs),this.dom.classList.add("cm-line"),this.prevAttrs=void 0),super.sync(t,e);let o=this.dom.lastChild;for(;o&&ContentView.get(o)instanceof MarkView;)o=o.lastChild;if(!(o&&this.length&&("BR"==o.nodeName||0!=(null===(i=ContentView.get(o))||void 0===i?void 0:i.isEditable)||browser.ios&&this.children.some((t=>t instanceof TextView))))){let t=document.createElement("BR");t.cmIgnore=!0,this.dom.appendChild(t)}}measureTextSize(){if(0==this.children.length||this.length>20)return null;let t,e=0;for(let i of this.children){if(!(i instanceof TextView)||/[^ -~]/.test(i.text))return null;let o=clientRectsFor(i.dom);if(1!=o.length)return null;e+=o[0].width,t=o[0].height}return e?{lineHeight:this.dom.getBoundingClientRect().height,charWidth:e/this.length,textHeight:t}:null}coordsAt(t,e){let i=coordsInChildren(this,t,e);if(!this.children.length&&i&&this.parent){let{heightOracle:t}=this.parent.view.viewState,e=i.bottom-i.top;if(Math.abs(e-t.lineHeight)<2&&t.textHeight<e){let o=(e-t.textHeight)/2;return{top:i.top+o,bottom:i.bottom-o,left:i.left,right:i.left}}}return i}become(t){return!1}get type(){return BlockType.Text}static find(t,e){for(let i=0,o=0;i<t.children.length;i++){let s=t.children[i],n=o+s.length;if(n>=e){if(s instanceof LineView)return s;if(n>e)break}o=n+s.breakAfter}return null}}class BlockWidgetView extends ContentView{constructor(t,e,i){super(),this.widget=t,this.length=e,this.type=i,this.breakAfter=0,this.prevWidget=null}merge(t,e,i,o,s,n){return!(i&&(!(i instanceof BlockWidgetView&&this.widget.compare(i.widget))||t>0&&s<=0||e<this.length&&n<=0))&&(this.length=t+(i?i.length:0)+(this.length-e),!0)}domAtPos(t){return 0==t?DOMPos.before(this.dom):DOMPos.after(this.dom,t==this.length)}split(t){let e=this.length-t;this.length=t;let i=new BlockWidgetView(this.widget,e,this.type);return i.breakAfter=this.breakAfter,i}get children(){return noChildren}sync(t){this.dom&&this.widget.updateDOM(this.dom,t)||(this.dom&&this.prevWidget&&this.prevWidget.destroy(this.dom),this.prevWidget=null,this.setDOM(this.widget.toDOM(t)),this.dom.contentEditable="false")}get overrideDOMText(){return this.parent?this.parent.view.state.doc.slice(this.posAtStart,this.posAtEnd):Text.empty}domBoundsAround(){return null}become(t){return t instanceof BlockWidgetView&&t.widget.constructor==this.widget.constructor&&(t.widget.compare(this.widget)||this.markDirty(!0),this.dom&&!this.prevWidget&&(this.prevWidget=this.widget),this.widget=t.widget,this.length=t.length,this.type=t.type,this.breakAfter=t.breakAfter,!0)}ignoreMutation(){return!0}ignoreEvent(t){return this.widget.ignoreEvent(t)}get isEditable(){return!1}get isWidget(){return!0}coordsAt(t,e){return this.widget.coordsAt(this.dom,t,e)}destroy(){super.destroy(),this.dom&&this.widget.destroy(this.dom)}}class ContentBuilder{constructor(t,e,i,o){this.doc=t,this.pos=e,this.end=i,this.disallowBlockEffectsFor=o,this.content=[],this.curLine=null,this.breakAtStart=0,this.pendingBuffer=0,this.bufferMarks=[],this.atCursorPos=!0,this.openStart=-1,this.openEnd=-1,this.text="",this.textOff=0,this.cursor=t.iter(),this.skip=e}posCovered(){if(0==this.content.length)return!this.breakAtStart&&this.doc.lineAt(this.pos).from!=this.pos;let t=this.content[this.content.length-1];return!(t.breakAfter||t instanceof BlockWidgetView&&t.type==BlockType.WidgetBefore)}getLine(){return this.curLine||(this.content.push(this.curLine=new LineView),this.atCursorPos=!0),this.curLine}flushBuffer(t=this.bufferMarks){this.pendingBuffer&&(this.curLine.append(wrapMarks(new WidgetBufferView(-1),t),t.length),this.pendingBuffer=0)}addBlockWidget(t){this.flushBuffer(),this.curLine=null,this.content.push(t)}finish(t){this.pendingBuffer&&t<=this.bufferMarks.length?this.flushBuffer():this.pendingBuffer=0,this.posCovered()||this.getLine()}buildText(t,e,i){for(;t>0;){if(this.textOff==this.text.length){let{value:e,lineBreak:i,done:o}=this.cursor.next(this.skip);if(this.skip=0,o)throw new Error("Ran out of text content when drawing inline views");if(i){this.posCovered()||this.getLine(),this.content.length?this.content[this.content.length-1].breakAfter=1:this.breakAtStart=1,this.flushBuffer(),this.curLine=null,this.atCursorPos=!0,t--;continue}this.text=e,this.textOff=0}let o=Math.min(this.text.length-this.textOff,t,512);this.flushBuffer(e.slice(e.length-i)),this.getLine().append(wrapMarks(new TextView(this.text.slice(this.textOff,this.textOff+o)),e),i),this.atCursorPos=!0,this.textOff+=o,t-=o,i=0}}span(t,e,i,o){this.buildText(e-t,i,o),this.pos=e,this.openStart<0&&(this.openStart=o)}point(t,e,i,o,s,n){if(this.disallowBlockEffectsFor[n]&&i instanceof PointDecoration){if(i.block)throw new RangeError("Block decorations may not be specified via plugins");if(e>this.doc.lineAt(this.pos).to)throw new RangeError("Decorations that replace line breaks may not be specified via plugins")}let r=e-t;if(i instanceof PointDecoration)if(i.block){let{type:t}=i;t!=BlockType.WidgetAfter||this.posCovered()||this.getLine(),this.addBlockWidget(new BlockWidgetView(i.widget||new NullWidget("div"),r,t))}else{let n=WidgetView.create(i.widget||new NullWidget("span"),r,r?0:i.startSide),l=this.atCursorPos&&!n.isEditable&&s<=o.length&&(t<e||i.startSide>0),a=!n.isEditable&&(t<e||s>o.length||i.startSide<=0),h=this.getLine();2!=this.pendingBuffer||l||n.isEditable||(this.pendingBuffer=0),this.flushBuffer(o),l&&(h.append(wrapMarks(new WidgetBufferView(1),o),s),s=o.length+Math.max(0,s-o.length)),h.append(wrapMarks(n,o),s),this.atCursorPos=a,this.pendingBuffer=a?t<e||s>o.length?1:2:0,this.pendingBuffer&&(this.bufferMarks=o.slice())}else this.doc.lineAt(this.pos).from==this.pos&&this.getLine().addLineDeco(i);r&&(this.textOff+r<=this.text.length?this.textOff+=r:(this.skip+=r-(this.text.length-this.textOff),this.text="",this.textOff=0),this.pos=e),this.openStart<0&&(this.openStart=s)}static build(t,e,i,o,s){let n=new ContentBuilder(t,e,i,s);return n.openEnd=RangeSet.spans(o,e,i,n),n.openStart<0&&(n.openStart=n.openEnd),n.finish(n.openEnd),n}}function wrapMarks(t,e){for(let i of e)t=new MarkView(i,[t],t.length);return t}class NullWidget extends WidgetType{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}}const clickAddsSelectionRange=Facet.define(),dragMovesSelection$1=Facet.define(),mouseSelectionStyle=Facet.define(),exceptionSink=Facet.define(),updateListener=Facet.define(),inputHandler=Facet.define(),focusChangeEffect=Facet.define(),perLineTextDirection=Facet.define({combine:t=>t.some((t=>t))}),nativeSelectionHidden=Facet.define({combine:t=>t.some((t=>t))});class ScrollTarget{constructor(t,e="nearest",i="nearest",o=5,s=5){this.range=t,this.y=e,this.x=i,this.yMargin=o,this.xMargin=s}map(t){return t.empty?this:new ScrollTarget(this.range.map(t),this.y,this.x,this.yMargin,this.xMargin)}}const scrollIntoView=StateEffect.define({map:(t,e)=>t.map(e)});function logException(t,e,i){let o=t.facet(exceptionSink);o.length?o[0](e):window.onerror?window.onerror(String(e),i,void 0,void 0,e):i?console.error(i+":",e):console.error(e)}const editable=Facet.define({combine:t=>!t.length||t[0]});let nextPluginID=0;const viewPlugin=Facet.define();class ViewPlugin{constructor(t,e,i,o){this.id=t,this.create=e,this.domEventHandlers=i,this.extension=o(this)}static define(t,e){const{eventHandlers:i,provide:o,decorations:s}=e||{};return new ViewPlugin(nextPluginID++,t,i,(t=>{let e=[viewPlugin.of(t)];return s&&e.push(decorations.of((e=>{let i=e.plugin(t);return i?s(i):Decoration.none}))),o&&e.push(o(t)),e}))}static fromClass(t,e){return ViewPlugin.define((e=>new t(e)),e)}}class PluginInstance{constructor(t){this.spec=t,this.mustUpdate=null,this.value=null}update(t){if(this.value){if(this.mustUpdate){let t=this.mustUpdate;if(this.mustUpdate=null,this.value.update)try{this.value.update(t)}catch(e){if(logException(t.state,e,"CodeMirror plugin crashed"),this.value.destroy)try{this.value.destroy()}catch(t){}this.deactivate()}}}else if(this.spec)try{this.value=this.spec.create(t)}catch(e){logException(t.state,e,"CodeMirror plugin crashed"),this.deactivate()}return this}destroy(t){var e;if(null===(e=this.value)||void 0===e?void 0:e.destroy)try{this.value.destroy()}catch(e){logException(t.state,e,"CodeMirror plugin crashed")}}deactivate(){this.spec=this.value=null}}const editorAttributes=Facet.define(),contentAttributes=Facet.define(),decorations=Facet.define(),atomicRanges=Facet.define(),bidiIsolatedRanges=Facet.define();function getIsolatedRanges(t,e,i){let o=t.state.facet(bidiIsolatedRanges);if(!o.length)return o;let s=o.map((e=>e instanceof Function?e(t):e)),n=[];return RangeSet.spans(s,e,i,{point(){},span(t,e,i,o){let s=n;for(let n=i.length-1;n>=0;n--,o--){let r,l=i[n].spec.bidiIsolate;if(null!=l)if(o>0&&s.length&&(r=s[s.length-1]).to==t&&r.direction==l)r.to=e,s=r.inner;else{let i={from:t,to:e,direction:l,inner:[]};s.push(i),s=i.inner}}}}),n}const scrollMargins=Facet.define();function getScrollMargins(t){let e=0,i=0,o=0,s=0;for(let n of t.state.facet(scrollMargins)){let r=n(t);r&&(null!=r.left&&(e=Math.max(e,r.left)),null!=r.right&&(i=Math.max(i,r.right)),null!=r.top&&(o=Math.max(o,r.top)),null!=r.bottom&&(s=Math.max(s,r.bottom)))}return{left:e,right:i,top:o,bottom:s}}const styleModule=Facet.define();class ChangedRange{constructor(t,e,i,o){this.fromA=t,this.toA=e,this.fromB=i,this.toB=o}join(t){return new ChangedRange(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(;e>0;e--){let o=t[e-1];if(!(o.fromA>i.toA)){if(o.toA<i.fromA)break;i=i.join(o),t.splice(e-1,1)}}return t.splice(e,0,i),t}static extendWithRanges(t,e){if(0==e.length)return t;let i=[];for(let o=0,s=0,n=0,r=0;;o++){let l=o==t.length?null:t[o],a=n-r,h=l?l.fromB:1e9;for(;s<e.length&&e[s]<h;){let t=e[s],o=e[s+1],n=Math.max(r,t),l=Math.min(h,o);if(n<=l&&new ChangedRange(n+a,l+a,n,l).addToSet(i),o>h)break;s+=2}if(!l)return i;new ChangedRange(l.fromA,l.toA,l.fromB,l.toB).addToSet(i),n=l.toA,r=l.toB}}}class ViewUpdate{constructor(t,e,i){this.view=t,this.state=e,this.transactions=i,this.flags=0,this.startState=t.state,this.changes=ChangeSet.empty(this.startState.doc.length);for(let t of i)this.changes=this.changes.compose(t.changes);let o=[];this.changes.iterChangedRanges(((t,e,i,s)=>o.push(new ChangedRange(t,e,i,s)))),this.changedRanges=o}static create(t,e,i){return new ViewUpdate(t,e,i)}get viewportChanged(){return(4&this.flags)>0}get heightChanged(){return(2&this.flags)>0}get geometryChanged(){return this.docChanged||(10&this.flags)>0}get focusChanged(){return(1&this.flags)>0}get docChanged(){return!this.changes.empty}get selectionSet(){return this.transactions.some((t=>t.selection))}get empty(){return 0==this.flags&&0==this.transactions.length}}var Direction=function(t){return t[t.LTR=0]="LTR",t[t.RTL=1]="RTL",t}(Direction||(Direction={}));const LTR=Direction.LTR,RTL=Direction.RTL;function dec(t){let e=[];for(let i=0;i<t.length;i++)e.push(1<<+t[i]);return e}const LowTypes=dec("88888888888888888888888888888888888666888888787833333333337888888000000000000000000000000008888880000000000000000000000000088888888888888888888888888888888888887866668888088888663380888308888800000000000000000000000800000000000000000000000000000008"),ArabicTypes=dec("4444448826627288999999999992222222222222222222222222222222222222222222222229999999999999999999994444444444644222822222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222222999999949999999229989999223333333333"),Brackets=Object.create(null),BracketStack=[];for(let t of["()","[]","{}"]){let e=t.charCodeAt(0),i=t.charCodeAt(1);Brackets[e]=i,Brackets[i]=-e}function charType(t){return t<=247?LowTypes[t]:1424<=t&&t<=1524?2:1536<=t&&t<=1785?ArabicTypes[t-1536]:1774<=t&&t<=2220?4:8192<=t&&t<=8203?256:64336<=t&&t<=65023?4:8204==t?256:1}const BidiRE=/[\u0590-\u05f4\u0600-\u06ff\u0700-\u08ac\ufb50-\ufdff]/;class BidiSpan{get dir(){return this.level%2?RTL:LTR}constructor(t,e,i){this.from=t,this.to=e,this.level=i}side(t,e){return this.dir==e==t?this.to:this.from}static find(t,e,i,o){let s=-1;for(let n=0;n<t.length;n++){let r=t[n];if(r.from<=e&&r.to>=e){if(r.level==i)return n;(s<0||(0!=o?o<0?r.from<e:r.to>e:t[s].level>r.level))&&(s=n)}}if(s<0)throw new RangeError("Index out of range");return s}}function isolatesEq(t,e){if(t.length!=e.length)return!1;for(let i=0;i<t.length;i++){let o=t[i],s=e[i];if(o.from!=s.from||o.to!=s.to||o.direction!=s.direction||!isolatesEq(o.inner,s.inner))return!1}return!0}const types=[];function computeCharTypes(t,e,i,o,s){for(let n=0;n<=o.length;n++){let r=n?o[n-1].to:e,l=n<o.length?o[n].from:i,a=n?256:s;for(let e=r,i=a,o=a;e<l;e++){let s=charType(t.charCodeAt(e));512==s?s=i:8==s&&4==o&&(s=16),types[e]=4==s?2:s,7&s&&(o=s),i=s}for(let t=r,e=a,o=a;t<l;t++){let s=types[t];if(128==s)t<l-1&&e==types[t+1]&&24&e?s=types[t]=e:types[t]=256;else if(64==s){let s=t+1;for(;s<l&&64==types[s];)s++;let n=t&&8==e||s<i&&8==types[s]?1==o?1:8:256;for(let e=t;e<s;e++)types[e]=n;t=s-1}else 8==s&&1==o&&(types[t]=1);e=s,7&s&&(o=s)}}}function processBracketPairs(t,e,i,o,s){let n=1==s?2:1;for(let r=0,l=0,a=0;r<=o.length;r++){let h=r?o[r-1].to:e,c=r<o.length?o[r].from:i;for(let e,i,o,r=h;r<c;r++)if(i=Brackets[e=t.charCodeAt(r)])if(i<0){for(let t=l-3;t>=0;t-=3)if(BracketStack[t+1]==-i){let e=BracketStack[t+2],i=2&e?s:4&e?1&e?n:s:0;i&&(types[r]=types[BracketStack[t]]=i),l=t;break}}else{if(189==BracketStack.length)break;BracketStack[l++]=r,BracketStack[l++]=e,BracketStack[l++]=a}else if(2==(o=types[r])||1==o){let t=o==s;a=t?0:1;for(let e=l-3;e>=0;e-=3){let i=BracketStack[e+2];if(2&i)break;if(t)BracketStack[e+2]|=2;else{if(4&i)break;BracketStack[e+2]|=4}}}}}function processNeutrals(t,e,i,o){for(let s=0,n=o;s<=i.length;s++){let r=s?i[s-1].to:t,l=s<i.length?i[s].from:e;for(let a=r;a<l;){let r=types[a];if(256==r){let r=a+1;for(;;)if(r==l){if(s==i.length)break;r=i[s++].to,l=s<i.length?i[s].from:e}else{if(256!=types[r])break;r++}let h=1==n,c=h==(1==(r<e?types[r]:o))?h?1:2:o;for(let e=r,o=s,n=o?i[o-1].to:t;e>a;)e==n&&(e=i[--o].from,n=o?i[o-1].to:t),types[--e]=c;a=r}else n=r,a++}}}function emitSpans(t,e,i,o,s,n,r){let l=o%2?2:1;if(o%2==s%2)for(let a=e,h=0;a<i;){let e=!0,c=!1;if(h==n.length||a<n[h].from){let t=types[a];t!=l&&(e=!1,c=16==t)}let d=e||1!=l?null:[],u=e?o:o+1,f=a;t:for(;;)if(h<n.length&&f==n[h].from){if(c)break t;let p=n[h];if(!e)for(let t=p.to,e=h+1;;){if(t==i)break t;if(!(e<n.length&&n[e].from==t)){if(types[t]==l)break t;break}t=n[e++].to}if(h++,d)d.push(p);else{p.from>a&&r.push(new BidiSpan(a,p.from,u)),computeSectionOrder(t,p.direction==LTR!=!(u%2)?o+1:o,s,p.inner,p.from,p.to,r),a=p.to}f=p.to}else{if(f==i||(e?types[f]!=l:types[f]==l))break;f++}d?emitSpans(t,a,f,o+1,s,d,r):a<f&&r.push(new BidiSpan(a,f,u)),a=f}else for(let a=i,h=n.length;a>e;){let i=!0,c=!1;if(!h||a>n[h-1].to){let t=types[a-1];t!=l&&(i=!1,c=16==t)}let d=i||1!=l?null:[],u=i?o:o+1,f=a;t:for(;;)if(h&&f==n[h-1].to){if(c)break t;let p=n[--h];if(!i)for(let t=p.from,i=h;;){if(t==e)break t;if(!i||n[i-1].to!=t){if(types[t-1]==l)break t;break}t=n[--i].from}if(d)d.push(p);else{p.to<a&&r.push(new BidiSpan(p.to,a,u)),computeSectionOrder(t,p.direction==LTR!=!(u%2)?o+1:o,s,p.inner,p.from,p.to,r),a=p.from}f=p.from}else{if(f==e||(i?types[f-1]!=l:types[f-1]==l))break;f--}d?emitSpans(t,f,a,o+1,s,d,r):f<a&&r.push(new BidiSpan(f,a,u)),a=f}}function computeSectionOrder(t,e,i,o,s,n,r){let l=e%2?2:1;computeCharTypes(t,s,n,o,l),processBracketPairs(t,s,n,o,l),processNeutrals(s,n,o,l),emitSpans(t,s,n,e,i,o,r)}function computeOrder(t,e,i){if(!t)return[new BidiSpan(0,0,e==RTL?1:0)];if(e==LTR&&!i.length&&!BidiRE.test(t))return trivialOrder(t.length);if(i.length)for(;t.length>types.length;)types[types.length]=256;let o=[],s=e==LTR?0:1;return computeSectionOrder(t,s,s,i,0,t.length,o),o}function trivialOrder(t){return[new BidiSpan(0,t,0)]}let movedOver="";function moveVisually(t,e,i,o,s){var n;let r=o.head-t.from,l=-1;if(0==r){if(!s||!t.length)return null;e[0].level!=i&&(r=e[0].side(!1,i),l=0)}else if(r==t.length){if(s)return null;let t=e[e.length-1];t.level!=i&&(r=t.side(!0,i),l=e.length-1)}l<0&&(l=BidiSpan.find(e,r,null!==(n=o.bidiLevel)&&void 0!==n?n:-1,o.assoc));let a=e[l];r==a.side(s,i)&&(a=e[l+=s?1:-1],r=a.side(!s,i));let h=s==(a.dir==i),c=findClusterBreak(t.text,r,h);if(movedOver=t.text.slice(Math.min(r,c),Math.max(r,c)),c!=a.side(s,i))return EditorSelection.cursor(c+t.from,h?-1:1,a.level);let d=l==(s?e.length-1:0)?null:e[l+(s?1:-1)];return d||a.level==i?d&&d.level<a.level?EditorSelection.cursor(d.side(!s,i)+t.from,s?1:-1,d.level):EditorSelection.cursor(c+t.from,s?-1:1,a.level):EditorSelection.cursor(s?t.to:t.from,s?-1:1,i)}class DocView extends ContentView{get length(){return this.view.state.doc.length}constructor(t){super(),this.view=t,this.decorations=[],this.dynamicDecorationMap=[],this.hasComposition=null,this.markedForComposition=new Set,this.minWidth=0,this.minWidthFrom=0,this.minWidthTo=0,this.impreciseAnchor=null,this.impreciseHead=null,this.forceSelection=!1,this.lastUpdate=Date.now(),this.setDOM(t.contentDOM),this.children=[new LineView],this.children[0].setParent(this),this.updateDeco(),this.updateInner([new ChangedRange(0,0,0,t.state.doc.length)],0,null)}update(t){let e=t.changedRanges;this.minWidth>0&&e.length&&(e.every((({fromA:t,toA:e})=>e<this.minWidthFrom||t>this.minWidthTo))?(this.minWidthFrom=t.changes.mapPos(this.minWidthFrom,1),this.minWidthTo=t.changes.mapPos(this.minWidthTo,1)):this.minWidth=this.minWidthFrom=this.minWidthTo=0);let i=this.view.inputState.composing<0?null:findCompositionRange(this.view,t.changes);if(this.hasComposition){this.markedForComposition.clear();let{from:i,to:o}=this.hasComposition;e=new ChangedRange(i,o,t.changes.mapPos(i,-1),t.changes.mapPos(o,1)).addToSet(e.slice())}this.hasComposition=i?{from:i.range.fromB,to:i.range.toB}:null,(browser.ie||browser.chrome)&&!i&&t&&t.state.doc.lines!=t.startState.doc.lines&&(this.forceSelection=!0);let o=findChangedDeco(this.decorations,this.updateDeco(),t.changes);return e=ChangedRange.extendWithRanges(e,o),!!(7&this.flags||0!=e.length)&&(this.updateInner(e,t.startState.doc.length,i),t.transactions.length&&(this.lastUpdate=Date.now()),!0)}updateInner(t,e,i){this.view.viewState.mustMeasureContent=!0,this.updateChildren(t,e,i);let{observer:o}=this.view;o.ignore((()=>{this.dom.style.height=this.view.viewState.contentHeight+"px",this.dom.style.flexBasis=this.minWidth?this.minWidth+"px":"";let t=browser.chrome||browser.ios?{node:o.selectionRange.focusNode,written:!1}:void 0;this.sync(this.view,t),this.flags&=-8,t&&(t.written||o.selectionRange.focusNode!=t.node)&&(this.forceSelection=!0),this.dom.style.height=""})),this.markedForComposition.forEach((t=>t.flags&=-9));let s=[];if(this.view.viewport.from||this.view.viewport.to<this.view.state.doc.length)for(let t of this.children)t instanceof BlockWidgetView&&t.widget instanceof BlockGapWidget&&s.push(t.dom);o.updateGaps(s)}updateChildren(t,e,i){let o=i?i.range.addToSet(t.slice()):t,s=this.childCursor(e);for(let t=o.length-1;;t--){let e=t>=0?o[t]:null;if(!e)break;let n,r,l,a,{fromA:h,toA:c,fromB:d,toB:u}=e;if(i&&i.range.fromB<u&&i.range.toB>d){let t=ContentBuilder.build(this.view.state.doc,d,i.range.fromB,this.decorations,this.dynamicDecorationMap),e=ContentBuilder.build(this.view.state.doc,i.range.toB,u,this.decorations,this.dynamicDecorationMap);r=t.breakAtStart,l=t.openStart,a=e.openEnd;let o=this.compositionView(i);e.breakAtStart?o.breakAfter=1:e.content.length&&o.merge(o.length,o.length,e.content[0],!1,e.openStart,0)&&(o.breakAfter=e.content[0].breakAfter,e.content.shift()),t.content.length&&o.merge(0,0,t.content[t.content.length-1],!0,0,t.openEnd)&&t.content.pop(),n=t.content.concat(o).concat(e.content)}else({content:n,breakAtStart:r,openStart:l,openEnd:a}=ContentBuilder.build(this.view.state.doc,d,u,this.decorations,this.dynamicDecorationMap));let{i:f,off:p}=s.findPos(c,1),{i:g,off:m}=s.findPos(h,-1);replaceRange(this,g,m,f,p,n,r,l,a)}i&&this.fixCompositionDOM(i)}compositionView(t){let e=new TextView(t.text.nodeValue);e.flags|=8;for(let{deco:i}of t.marks)e=new MarkView(i,[e],e.length);let i=new LineView;return i.append(e,0),i}fixCompositionDOM(t){let e=(t,e)=>{e.flags|=8,this.markedForComposition.add(e);let i=ContentView.get(t);i!=e&&(i&&(i.dom=null),e.setDOM(t))},i=this.childPos(t.range.fromB,1),o=this.children[i.i];e(t.line,o);for(let s=t.marks.length-1;s>=-1;s--)i=o.childPos(i.off,1),o=o.children[i.i],e(s>=0?t.marks[s].node:t.text,o)}updateSelection(t=!1,e=!1){!t&&this.view.observer.selectionRange.focusNode||this.view.observer.readSelectionRange();let i=this.view.root.activeElement,o=i==this.dom,s=!o&&hasSelection(this.dom,this.view.observer.selectionRange)&&!(i&&this.dom.contains(i));if(!(o||e||s))return;let n=this.forceSelection;this.forceSelection=!1;let r=this.view.state.selection.main,l=this.domAtPos(r.anchor),a=r.empty?l:this.domAtPos(r.head);if(browser.gecko&&r.empty&&!this.hasComposition&&betweenUneditable(l)){let t=document.createTextNode("");this.view.observer.ignore((()=>l.node.insertBefore(t,l.node.childNodes[l.offset]||null))),l=a=new DOMPos(t,0),n=!0}let h=this.view.observer.selectionRange;!n&&h.focusNode&&isEquivalentPosition(l.node,l.offset,h.anchorNode,h.anchorOffset)&&isEquivalentPosition(a.node,a.offset,h.focusNode,h.focusOffset)||(this.view.observer.ignore((()=>{browser.android&&browser.chrome&&this.dom.contains(h.focusNode)&&inUneditable(h.focusNode,this.dom)&&(this.dom.blur(),this.dom.focus({preventScroll:!0}));let t=getSelection(this.view.root);if(t)if(r.empty){if(browser.gecko){let t=nextToUneditable(l.node,l.offset);if(t&&3!=t){let e=nearbyTextNode(l.node,l.offset,1==t?1:-1);e&&(l=new DOMPos(e,1==t?0:e.nodeValue.length))}}t.collapse(l.node,l.offset),null!=r.bidiLevel&&null!=h.caretBidiLevel&&(h.caretBidiLevel=r.bidiLevel)}else if(t.extend){t.collapse(l.node,l.offset);try{t.extend(a.node,a.offset)}catch(t){}}else{let e=document.createRange();r.anchor>r.head&&([l,a]=[a,l]),e.setEnd(a.node,a.offset),e.setStart(l.node,l.offset),t.removeAllRanges(),t.addRange(e)}else;s&&this.view.root.activeElement==this.dom&&(this.dom.blur(),i&&i.focus())})),this.view.observer.setSelectionRange(l,a)),this.impreciseAnchor=l.precise?null:new DOMPos(h.anchorNode,h.anchorOffset),this.impreciseHead=a.precise?null:new DOMPos(h.focusNode,h.focusOffset)}enforceCursorAssoc(){if(this.hasComposition)return;let{view:t}=this,e=t.state.selection.main,i=getSelection(t.root),{anchorNode:o,anchorOffset:s}=t.observer.selectionRange;if(!(i&&e.empty&&e.assoc&&i.modify))return;let n=LineView.find(this,e.head);if(!n)return;let r=n.posAtStart;if(e.head==r||e.head==r+n.length)return;let l=this.coordsAt(e.head,-1),a=this.coordsAt(e.head,1);if(!l||!a||l.bottom>a.top)return;let h=this.domAtPos(e.head+e.assoc);i.collapse(h.node,h.offset),i.modify("move",e.assoc<0?"forward":"backward","lineboundary"),t.observer.readSelectionRange();let c=t.observer.selectionRange;t.docView.posFromDOM(c.anchorNode,c.anchorOffset)!=e.from&&i.collapse(o,s)}nearest(t){for(let e=t;e;){let t=ContentView.get(e);if(t&&t.rootView==this)return t;e=e.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<this.children.length-1;){let t=this.children[e];if(i<t.length||t instanceof LineView)break;e++,i=0}return this.children[e].domAtPos(i)}coordsAt(t,e){for(let i=this.length,o=this.children.length-1;;o--){let s=this.children[o],n=i-s.breakAfter-s.length;if(t>n||t==n&&s.type!=BlockType.WidgetBefore&&s.type!=BlockType.WidgetAfter&&(!o||2==e||this.children[o-1].breakAfter||this.children[o-1].type==BlockType.WidgetBefore&&e>-2))return s.coordsAt(t-n,e);i=n}}coordsForChar(t){let{i:e,off:i}=this.childPos(t,1),o=this.children[e];if(!(o instanceof LineView))return null;for(;o.children.length;){let{i:t,off:e}=o.childPos(i,1);for(;;t++){if(t==o.children.length)return null;if((o=o.children[t]).length)break}i=e}if(!(o instanceof TextView))return null;let s=findClusterBreak(o.text,i);if(s==i)return null;let n=textRange(o.dom,i,s).getClientRects();return!n.length||n[0].top>=n[0].bottom?null:n[0]}measureVisibleLineHeights(t){let e=[],{from:i,to:o}=t,s=this.view.contentDOM.clientWidth,n=s>Math.max(this.view.scrollDOM.clientWidth,this.minWidth)+1,r=-1,l=this.view.textDirection==Direction.LTR;for(let t=0,a=0;a<this.children.length;a++){let h=this.children[a],c=t+h.length;if(c>o)break;if(t>=i){let i=h.dom.getBoundingClientRect();if(e.push(i.height),n){let e=h.dom.lastChild,o=e?clientRectsFor(e):[];if(o.length){let e=o[o.length-1],n=l?e.right-i.left:i.right-e.left;n>r&&(r=n,this.minWidth=s,this.minWidthFrom=t,this.minWidthTo=c)}}}t=c+h.breakAfter}return e}textDirectionAt(t){let{i:e}=this.childPos(t,1);return"rtl"==getComputedStyle(this.children[e].dom).direction?Direction.RTL:Direction.LTR}measureTextSize(){for(let t of this.children)if(t instanceof LineView){let e=t.measureTextSize();if(e)return e}let t,e,i,o=document.createElement("div");return o.className="cm-line",o.style.width="99999px",o.style.position="absolute",o.textContent="abc def ghi jkl mno pqr stu",this.view.observer.ignore((()=>{this.dom.appendChild(o);let s=clientRectsFor(o.firstChild)[0];t=o.getBoundingClientRect().height,e=s?s.width/27:7,i=s?s.height:t,o.remove()})),{lineHeight:t,charWidth:e,textHeight:i}}childCursor(t=this.length){let e=this.children.length;return e&&(t-=this.children[--e].length),new ChildCursor(this.children,t,e)}computeBlockGapDeco(){let t=[],e=this.view.viewState;for(let i=0,o=0;;o++){let s=o==e.viewports.length?null:e.viewports[o],n=s?s.from-1:this.length;if(n>i){let o=e.lineBlockAt(n).bottom-e.lineBlockAt(i).top;t.push(Decoration.replace({widget:new BlockGapWidget(o),block:!0,inclusive:!0,isBlockGap:!0}).range(i,n))}if(!s)break;i=s.to+1}return Decoration.set(t)}updateDeco(){let t=this.view.state.facet(decorations).map(((t,e)=>(this.dynamicDecorationMap[e]="function"==typeof t)?t(this.view):t));for(let e=t.length;e<t.length+3;e++)this.dynamicDecorationMap[e]=!1;return this.decorations=[...t,this.computeBlockGapDeco(),this.view.viewState.lineGapDeco]}scrollIntoView(t){let e,{range:i}=t,o=this.coordsAt(i.head,i.empty?i.assoc:i.head>i.anchor?-1:1);if(!o)return;!i.empty&&(e=this.coordsAt(i.anchor,i.anchor>i.head?-1:1))&&(o={left:Math.min(o.left,e.left),top:Math.min(o.top,e.top),right:Math.max(o.right,e.right),bottom:Math.max(o.bottom,e.bottom)});let s=getScrollMargins(this.view),n={left:o.left-s.left,top:o.top-s.top,right:o.right+s.right,bottom:o.bottom+s.bottom};scrollRectIntoView(this.view.scrollDOM,n,i.head<i.anchor?-1:1,t.x,t.y,t.xMargin,t.yMargin,this.view.textDirection==Direction.LTR)}}function betweenUneditable(t){return 1==t.node.nodeType&&t.node.firstChild&&(0==t.offset||"false"==t.node.childNodes[t.offset-1].contentEditable)&&(t.offset==t.node.childNodes.length||"false"==t.node.childNodes[t.offset].contentEditable)}class BlockGapWidget extends WidgetType{constructor(t){super(),this.height=t}toDOM(){let 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}}function findCompositionNode(t,e){let i=t.observer.selectionRange,o=i.focusNode&&nearbyTextNode(i.focusNode,i.focusOffset,0);if(!o)return null;let s,n,r=ContentView.get(o);if(r instanceof TextView)s=r.posAtStart,n=s+r.length;else{let i=Math.max(0,o.nodeValue.length-e);t:for(let e=0,r=o;;){for(let o,l=r.previousSibling;l;l=l.previousSibling){if(o=ContentView.get(l)){n=o.posAtEnd+e,s=Math.max(0,n-i);break t}let r=new DOMReader([],t.state);if(r.readNode(l),r.text.indexOf(LineBreakPlaceholder)>-1)return null;e+=r.text.length}if(r=r.parentNode,!r)return null;let o=ContentView.get(r);if(o){s=o.posAtStart+e,n=s+i;break}}}return{from:s,to:n,node:o}}function findCompositionRange(t,e){let i=findCompositionNode(t,e.newLength-e.length);if(!i)return null;let{from:o,to:s,node:n}=i,r=e.mapPos(o,-1),l=e.mapPos(s,1),a=n.nodeValue;if(/[\n\r]/.test(a))return null;if(l-r!=a.length){let i=e.mapPos(o,1),n=e.mapPos(s,-1);if(n-i==a.length)r=i,l=n;else if(t.state.doc.sliceString(l-a.length,l)==a)r=l-a.length;else{if(t.state.doc.sliceString(r,r+a.length)!=a)return null;l=r+a.length}}let{main:h}=t.state.selection;if(t.state.doc.sliceString(r,l)!=a||r>h.head||l<h.head)return null;let c=[],d=new ChangedRange(o,s,r,l);for(let e=n.parentNode;;e=e.parentNode){let i=ContentView.get(e);if(i instanceof MarkView)c.push({node:e,deco:i.mark});else{if(i instanceof LineView||"DIV"==e.nodeName&&e.parentNode==t.contentDOM)return{range:d,text:n,marks:c,line:e};if(e==t.contentDOM)return null;c.push({node:e,deco:new MarkDecoration({inclusive:!0,attributes:getAttrs(e),tagName:e.tagName.toLowerCase()})})}}}function nearbyTextNode(t,e,i){if(i<=0)for(let i=t,o=e;;){if(3==i.nodeType)return i;if(!(1==i.nodeType&&o>0))break;i=i.childNodes[o-1],o=maxOffset(i)}if(i>=0)for(let o=t,s=e;;){if(3==o.nodeType)return o;if(!(1==o.nodeType&&s<o.childNodes.length&&i>=0))break;o=o.childNodes[s],s=0}return null}function nextToUneditable(t,e){return 1!=t.nodeType?0:(e&&"false"==t.childNodes[e-1].contentEditable?1:0)|(e<t.childNodes.length&&"false"==t.childNodes[e].contentEditable?2:0)}let DecorationComparator$1=class{constructor(){this.changes=[]}compareRange(t,e){addRange(t,e,this.changes)}comparePoint(t,e){addRange(t,e,this.changes)}};function findChangedDeco(t,e,i){let o=new DecorationComparator$1;return RangeSet.compare(t,e,i,o),o.changes}function inUneditable(t,e){for(let i=t;i&&i!=e;i=i.assignedSlot||i.parentNode)if(1==i.nodeType&&"false"==i.contentEditable)return!0;return!1}function groupAt(t,e,i=1){let o=t.charCategorizer(e),s=t.doc.lineAt(e),n=e-s.from;if(0==s.length)return EditorSelection.cursor(e);0==n?i=1:n==s.length&&(i=-1);let r=n,l=n;i<0?r=findClusterBreak(s.text,n,!1):l=findClusterBreak(s.text,n);let a=o(s.text.slice(r,l));for(;r>0;){let t=findClusterBreak(s.text,r,!1);if(o(s.text.slice(t,r))!=a)break;r=t}for(;l<s.length;){let t=findClusterBreak(s.text,l);if(o(s.text.slice(l,t))!=a)break;l=t}return EditorSelection.range(r+s.from,l+s.from)}function getdx(t,e){return e.left>t?e.left-t:Math.max(0,t-e.right)}function getdy(t,e){return e.top>t?e.top-t:Math.max(0,t-e.bottom)}function yOverlap(t,e){return t.top<e.bottom-1&&t.bottom>e.top+1}function upTop(t,e){return e<t.top?{top:e,left:t.left,right:t.right,bottom:t.bottom}:t}function upBot(t,e){return e>t.bottom?{top:t.top,left:t.left,right:t.right,bottom:e}:t}function domPosAtCoords(t,e,i){let o,s,n,r,l,a,h,c,d=!1;for(let u=t.firstChild;u;u=u.nextSibling){let t=clientRectsFor(u);for(let f=0;f<t.length;f++){let p=t[f];s&&yOverlap(s,p)&&(p=upTop(upBot(p,s.bottom),s.top));let g=getdx(e,p),m=getdy(i,p);if(0==g&&0==m)return 3==u.nodeType?domPosInText(u,e,i):domPosAtCoords(u,e,i);if(!o||r>m||r==m&&n>g){o=u,s=p,n=g,r=m;let l=m?i<p.top?-1:1:g?e<p.left?-1:1:0;d=!l||(l>0?f<t.length-1:f>0)}0==g?i>p.bottom&&(!h||h.bottom<p.bottom)?(l=u,h=p):i<p.top&&(!c||c.top>p.top)&&(a=u,c=p):h&&yOverlap(h,p)?h=upBot(h,p.bottom):c&&yOverlap(c,p)&&(c=upTop(c,p.top))}}if(h&&h.bottom>=i?(o=l,s=h):c&&c.top<=i&&(o=a,s=c),!o)return{node:t,offset:0};let u=Math.max(s.left,Math.min(s.right,e));return 3==o.nodeType?domPosInText(o,u,i):d&&"false"!=o.contentEditable?domPosAtCoords(o,u,i):{node:t,offset:Array.prototype.indexOf.call(t.childNodes,o)+(e>=(s.left+s.right)/2?1:0)}}function domPosInText(t,e,i){let o=t.nodeValue.length,s=-1,n=1e9,r=0;for(let l=0;l<o;l++){let o=textRange(t,l,l+1).getClientRects();for(let a=0;a<o.length;a++){let h=o[a];if(h.top==h.bottom)continue;r||(r=e-h.left);let c=(h.top>i?h.top-i:i-h.bottom)-1;if(h.left-1<=e&&h.right+1>=e&&c<n){let i=e>=(h.left+h.right)/2,o=i;if(browser.chrome||browser.gecko){textRange(t,l).getBoundingClientRect().left==h.right&&(o=!i)}if(c<=0)return{node:t,offset:l+(o?1:0)};s=l+(o?1:0),n=c}}}return{node:t,offset:s>-1?s:r>0?t.nodeValue.length:0}}function posAtCoords(t,e,i,o=-1){var s,n;let r,l=t.contentDOM.getBoundingClientRect(),a=l.top+t.viewState.paddingTop,{docHeight:h}=t.viewState,{x:c,y:d}=e,u=d-a;if(u<0)return 0;if(u>h)return t.state.doc.length;for(let e=t.viewState.heightOracle.textHeight/2,s=!1;r=t.elementAtHeight(u),r.type!=BlockType.Text;)for(;u=o>0?r.bottom+e:r.top-e,!(u>=0&&u<=h);){if(s)return i?null:0;s=!0,o=-o}d=a+u;let f=r.from;if(f<t.viewport.from)return 0==t.viewport.from?0:i?null:posAtCoordsImprecise(t,l,r,c,d);if(f>t.viewport.to)return t.viewport.to==t.state.doc.length?t.state.doc.length:i?null:posAtCoordsImprecise(t,l,r,c,d);let p=t.dom.ownerDocument,g=t.root.elementFromPoint?t.root:p,m=g.elementFromPoint(c,d);m&&!t.contentDOM.contains(m)&&(m=null),m||(c=Math.max(l.left+1,Math.min(l.right-1,c)),m=g.elementFromPoint(c,d),m&&!t.contentDOM.contains(m)&&(m=null));let w,v=-1;if(m&&0!=(null===(s=t.docView.nearest(m))||void 0===s?void 0:s.isEditable))if(p.caretPositionFromPoint){let t=p.caretPositionFromPoint(c,d);t&&({offsetNode:w,offset:v}=t)}else if(p.caretRangeFromPoint){let e=p.caretRangeFromPoint(c,d);e&&(({startContainer:w,startOffset:v}=e),(!t.contentDOM.contains(w)||browser.safari&&isSuspiciousSafariCaretResult(w,v,c)||browser.chrome&&isSuspiciousChromeCaretResult(w,v,c))&&(w=void 0))}if(!w||!t.docView.dom.contains(w)){let e=LineView.find(t.docView,f);if(!e)return u>r.top+r.height/2?r.to:r.from;({node:w,offset:v}=domPosAtCoords(e.dom,c,d))}let b=t.docView.nearest(w);if(!b)return null;if(b.isWidget&&1==(null===(n=b.dom)||void 0===n?void 0:n.nodeType)){let t=b.dom.getBoundingClientRect();return e.y<t.top||e.y<=t.bottom&&e.x<=(t.left+t.right)/2?b.posAtStart:b.posAtEnd}return b.localPosFromDOM(w,v)+b.posAtStart}function posAtCoordsImprecise(t,e,i,o,s){let n=Math.round((o-e.left)*t.defaultCharacterWidth);if(t.lineWrapping&&i.height>1.5*t.defaultLineHeight){let e=t.viewState.heightOracle.textHeight;n+=Math.floor((s-i.top-.5*(t.defaultLineHeight-e))/e)*t.viewState.heightOracle.lineLength}let r=t.state.sliceDoc(i.from,i.to);return i.from+findColumn(r,n,t.state.tabSize)}function isSuspiciousSafariCaretResult(t,e,i){let o;if(3!=t.nodeType||e!=(o=t.nodeValue.length))return!1;for(let e=t.nextSibling;e;e=e.nextSibling)if(1!=e.nodeType||"BR"!=e.nodeName)return!1;return textRange(t,o-1,o).getBoundingClientRect().left>i}function isSuspiciousChromeCaretResult(t,e,i){if(0!=e)return!1;for(let e=t;;){let t=e.parentNode;if(!t||1!=t.nodeType||t.firstChild!=e)return!1;if(t.classList.contains("cm-line"))break;e=t}return i-(1==t.nodeType?t.getBoundingClientRect():textRange(t,0,Math.max(t.nodeValue.length,1)).getBoundingClientRect()).left>5}function blockAt(t,e){let i=t.lineBlockAt(e);if(Array.isArray(i.type))for(let t of i.type)if(t.to>e||t.to==e&&(t.to==i.to||t.type==BlockType.Text))return t;return i}function moveToLineBoundary(t,e,i,o){let s=blockAt(t,e.head),n=o&&s.type==BlockType.Text&&(t.lineWrapping||s.widgetLineBreaks)?t.coordsAtPos(e.assoc<0&&e.head>s.from?e.head-1:e.head):null;if(n){let e=t.dom.getBoundingClientRect(),o=t.textDirectionAt(s.from),r=t.posAtCoords({x:i==(o==Direction.LTR)?e.right-1:e.left+1,y:(n.top+n.bottom)/2});if(null!=r)return EditorSelection.cursor(r,i?-1:1)}return EditorSelection.cursor(i?s.to:s.from,i?-1:1)}function moveByChar(t,e,i,o){let s=t.state.doc.lineAt(e.head),n=t.bidiSpans(s),r=t.textDirectionAt(s.from);for(let l=e,a=null;;){let e=moveVisually(s,n,r,l,i),h=movedOver;if(!e){if(s.number==(i?t.state.doc.lines:1))return l;h="\n",s=t.state.doc.line(s.number+(i?1:-1)),n=t.bidiSpans(s),e=EditorSelection.cursor(i?s.from:s.to)}if(a){if(!a(h))return l}else{if(!o)return e;a=o(h)}l=e}}function byGroup(t,e,i){let o=t.state.charCategorizer(e),s=o(i);return t=>{let e=o(t);return s==CharCategory.Space&&(s=e),s==e}}function moveVertically(t,e,i,o){let s=e.head,n=i?1:-1;if(s==(i?t.state.doc.length:0))return EditorSelection.cursor(s,e.assoc);let r,l=e.goalColumn,a=t.contentDOM.getBoundingClientRect(),h=t.coordsAtPos(s),c=t.documentTop;if(h)null==l&&(l=h.left-a.left),r=n<0?h.top:h.bottom;else{let e=t.viewState.lineBlockAt(s);null==l&&(l=Math.min(a.right-a.left,t.defaultCharacterWidth*(s-e.from))),r=(n<0?e.top:e.bottom)+c}let d=a.left+l,u=null!=o?o:t.viewState.heightOracle.textHeight>>1;for(let i=0;;i+=10){let o=r+(u+i)*n,h=posAtCoords(t,{x:d,y:o},!1,n);if(o<a.top||o>a.bottom||(n<0?h<s:h>s))return EditorSelection.cursor(h,e.assoc,void 0,l)}}function skipAtomicRanges(t,e,i){for(;;){let o=0;for(let s of t)s.between(e-1,e+1,((t,s,n)=>{if(e>t&&e<s){let n=o||i||(e-t<s-e?-1:1);e=n<0?t:s,o=n}}));if(!o)return e}}function skipAtoms(t,e,i){let o=skipAtomicRanges(t.state.facet(atomicRanges).map((e=>e(t))),i.from,e.head>i.from?-1:1);return o==i.from?i:EditorSelection.cursor(o,o<i.from?1:-1)}class InputState{setSelectionOrigin(t){this.lastSelectionOrigin=t,this.lastSelectionTime=Date.now()}constructor(t){this.lastKeyCode=0,this.lastKeyTime=0,this.lastTouchTime=0,this.lastFocusTime=0,this.lastScrollTop=0,this.lastScrollLeft=0,this.chromeScrollHack=-1,this.pendingIOSKey=void 0,this.lastSelectionOrigin=null,this.lastSelectionTime=0,this.lastEscPress=0,this.lastContextMenu=0,this.scrollHandlers=[],this.registeredEvents=[],this.customHandlers=[],this.composing=-1,this.compositionFirstChange=null,this.compositionEndedAt=0,this.compositionPendingKey=!1,this.compositionPendingChange=!1,this.mouseSelection=null;let e=(e,i)=>{this.ignoreDuringComposition(i)||"keydown"==i.type&&this.keydown(t,i)||(this.mustFlushObserver(i)&&t.observer.forceFlush(),this.runCustomHandlers(i.type,t,i)?i.preventDefault():e(t,i))};for(let i in handlers){let o=handlers[i];t.contentDOM.addEventListener(i,(i=>{eventBelongsToEditor(t,i)&&e(o,i)}),handlerOptions[i]),this.registeredEvents.push(i)}t.scrollDOM.addEventListener("mousedown",(i=>{if(i.target==t.scrollDOM&&i.clientY>t.contentDOM.getBoundingClientRect().bottom&&(e(handlers.mousedown,i),!i.defaultPrevented&&2==i.button)){let e=t.contentDOM.style.minHeight;t.contentDOM.style.minHeight="100%",setTimeout((()=>t.contentDOM.style.minHeight=e),200)}})),t.scrollDOM.addEventListener("drop",(i=>{i.target==t.scrollDOM&&i.clientY>t.contentDOM.getBoundingClientRect().bottom&&e(handlers.drop,i)})),browser.chrome&&102==browser.chrome_version&&t.scrollDOM.addEventListener("wheel",(()=>{this.chromeScrollHack<0?t.contentDOM.style.pointerEvents="none":window.clearTimeout(this.chromeScrollHack),this.chromeScrollHack=setTimeout((()=>{this.chromeScrollHack=-1,t.contentDOM.style.pointerEvents=""}),100)}),{passive:!0}),this.notifiedFocused=t.hasFocus,browser.safari&&t.contentDOM.addEventListener("input",(()=>null)),browser.gecko&&firefoxCopyCutHack(t.contentDOM.ownerDocument)}ensureHandlers(t,e){var i;let o;this.customHandlers=[];for(let s of e)if(o=null===(i=s.update(t).spec)||void 0===i?void 0:i.domEventHandlers){this.customHandlers.push({plugin:s.value,handlers:o});for(let e in o)this.registeredEvents.indexOf(e)<0&&"scroll"!=e&&(this.registeredEvents.push(e),t.contentDOM.addEventListener(e,(i=>{eventBelongsToEditor(t,i)&&this.runCustomHandlers(e,t,i)&&i.preventDefault()})))}}runCustomHandlers(t,e,i){for(let o of this.customHandlers){let s=o.handlers[t];if(s)try{if(s.call(o.plugin,i,e)||i.defaultPrevented)return!0}catch(t){logException(e.state,t)}}return!1}runScrollHandlers(t,e){this.lastScrollTop=t.scrollDOM.scrollTop,this.lastScrollLeft=t.scrollDOM.scrollLeft;for(let i of this.customHandlers){let o=i.handlers.scroll;if(o)try{o.call(i.plugin,e,t)}catch(e){logException(t.state,e)}}}keydown(t,e){if(this.lastKeyCode=e.keyCode,this.lastKeyTime=Date.now(),9==e.keyCode&&Date.now()<this.lastEscPress+2e3)return!0;if(27!=e.keyCode&&modifierCodes.indexOf(e.keyCode)<0&&(t.inputState.lastEscPress=0),browser.android&&browser.chrome&&!e.synthetic&&(13==e.keyCode||8==e.keyCode))return t.observer.delayAndroidKey(e.key,e.keyCode),!0;let i;return!(!browser.ios||e.synthetic||e.altKey||e.metaKey||!((i=PendingKeys.find((t=>t.keyCode==e.keyCode)))&&!e.ctrlKey||EmacsyPendingKeys.indexOf(e.key)>-1&&e.ctrlKey&&!e.shiftKey))&&(this.pendingIOSKey=i||e,setTimeout((()=>this.flushIOSKey(t)),250),!0)}flushIOSKey(t){let e=this.pendingIOSKey;return!!e&&(this.pendingIOSKey=void 0,dispatchKey(t.contentDOM,e.key,e.keyCode))}ignoreDuringComposition(t){return!!/^key/.test(t.type)&&(this.composing>0||!!(browser.safari&&!browser.ios&&this.compositionPendingKey&&Date.now()-this.compositionEndedAt<100)&&(this.compositionPendingKey=!1,!0))}mustFlushObserver(t){return"keydown"==t.type&&229!=t.keyCode}startMouseSelection(t){this.mouseSelection&&this.mouseSelection.destroy(),this.mouseSelection=t}update(t){this.mouseSelection&&this.mouseSelection.update(t),t.transactions.length&&(this.lastKeyCode=this.lastSelectionTime=0)}destroy(){this.mouseSelection&&this.mouseSelection.destroy()}}const PendingKeys=[{key:"Backspace",keyCode:8,inputType:"deleteContentBackward"},{key:"Enter",keyCode:13,inputType:"insertParagraph"},{key:"Enter",keyCode:13,inputType:"insertLineBreak"},{key:"Delete",keyCode:46,inputType:"deleteContentForward"}],EmacsyPendingKeys="dthko",modifierCodes=[16,17,18,20,91,92,224,225],dragScrollMargin=6;function dragScrollSpeed(t){return.7*Math.max(0,t)+8}function dist(t,e){return Math.max(Math.abs(t.clientX-e.clientX),Math.abs(t.clientY-e.clientY))}class MouseSelection{constructor(t,e,i,o){this.view=t,this.startEvent=e,this.style=i,this.mustSelect=o,this.scrollSpeed={x:0,y:0},this.scrolling=-1,this.lastEvent=e,this.scrollParent=scrollableParent(t.contentDOM),this.atoms=t.state.facet(atomicRanges).map((e=>e(t)));let s=t.contentDOM.ownerDocument;s.addEventListener("mousemove",this.move=this.move.bind(this)),s.addEventListener("mouseup",this.up=this.up.bind(this)),this.extend=e.shiftKey,this.multiple=t.state.facet(EditorState.allowMultipleSelections)&&addsSelectionRange(t,e),this.dragging=!(!isInPrimarySelection(t,e)||1!=getClickType(e))&&null}start(t){!1===this.dragging&&(t.preventDefault(),this.select(t))}move(t){var e;if(0==t.buttons)return this.destroy();if(this.dragging||null==this.dragging&&dist(this.startEvent,t)<10)return;this.select(this.lastEvent=t);let i=0,o=0,s=(null===(e=this.scrollParent)||void 0===e?void 0:e.getBoundingClientRect())||{left:0,top:0,right:this.view.win.innerWidth,bottom:this.view.win.innerHeight},n=getScrollMargins(this.view);t.clientX-n.left<=s.left+6?i=-dragScrollSpeed(s.left-t.clientX):t.clientX+n.right>=s.right-6&&(i=dragScrollSpeed(t.clientX-s.right)),t.clientY-n.top<=s.top+6?o=-dragScrollSpeed(s.top-t.clientY):t.clientY+n.bottom>=s.bottom-6&&(o=dragScrollSpeed(t.clientY-s.bottom)),this.setScrollSpeed(i,o)}up(t){null==this.dragging&&this.select(this.lastEvent),this.dragging||t.preventDefault(),this.destroy()}destroy(){this.setScrollSpeed(0,0);let t=this.view.contentDOM.ownerDocument;t.removeEventListener("mousemove",this.move),t.removeEventListener("mouseup",this.up),this.view.inputState.mouseSelection=null}setScrollSpeed(t,e){this.scrollSpeed={x:t,y:e},t||e?this.scrolling<0&&(this.scrolling=setInterval((()=>this.scroll()),50)):this.scrolling>-1&&(clearInterval(this.scrolling),this.scrolling=-1)}scroll(){this.scrollParent?(this.scrollParent.scrollLeft+=this.scrollSpeed.x,this.scrollParent.scrollTop+=this.scrollSpeed.y):this.view.win.scrollBy(this.scrollSpeed.x,this.scrollSpeed.y),!1===this.dragging&&this.select(this.lastEvent)}skipAtoms(t){let e=null;for(let i=0;i<t.ranges.length;i++){let o=t.ranges[i],s=null;if(o.empty){let t=skipAtomicRanges(this.atoms,o.from,0);t!=o.from&&(s=EditorSelection.cursor(t,-1))}else{let t=skipAtomicRanges(this.atoms,o.from,-1),e=skipAtomicRanges(this.atoms,o.to,1);t==o.from&&e==o.to||(s=EditorSelection.range(o.from==o.anchor?t:e,o.from==o.head?t:e))}s&&(e||(e=t.ranges.slice()),e[i]=s)}return e?EditorSelection.create(e,t.mainIndex):t}select(t){let{view:e}=this,i=this.skipAtoms(this.style.get(t,this.extend,this.multiple));(this.mustSelect||!i.eq(e.state.selection)||i.main.assoc!=e.state.selection.main.assoc&&!1===this.dragging)&&this.view.dispatch({selection:i,userEvent:"select.pointer"}),this.mustSelect=!1}update(t){t.docChanged&&this.dragging&&(this.dragging=this.dragging.map(t.changes)),this.style.update(t)&&setTimeout((()=>this.select(this.lastEvent)),20)}}function addsSelectionRange(t,e){let i=t.state.facet(clickAddsSelectionRange);return i.length?i[0](e):browser.mac?e.metaKey:e.ctrlKey}function dragMovesSelection(t,e){let i=t.state.facet(dragMovesSelection$1);return i.length?i[0](e):browser.mac?!e.altKey:!e.ctrlKey}function isInPrimarySelection(t,e){let{main:i}=t.state.selection;if(i.empty)return!1;let o=getSelection(t.root);if(!o||0==o.rangeCount)return!0;let s=o.getRangeAt(0).getClientRects();for(let t=0;t<s.length;t++){let i=s[t];if(i.left<=e.clientX&&i.right>=e.clientX&&i.top<=e.clientY&&i.bottom>=e.clientY)return!0}return!1}function eventBelongsToEditor(t,e){if(!e.bubbles)return!0;if(e.defaultPrevented)return!1;for(let i,o=e.target;o!=t.contentDOM;o=o.parentNode)if(!o||11==o.nodeType||(i=ContentView.get(o))&&i.ignoreEvent(e))return!1;return!0}const handlers=Object.create(null),handlerOptions=Object.create(null),brokenClipboardAPI=browser.ie&&browser.ie_version<15||browser.ios&&browser.webkit_version<604;function capturePaste(t){let e=t.dom.parentNode;if(!e)return;let i=e.appendChild(document.createElement("textarea"));i.style.cssText="position: fixed; left: -10000px; top: 10px",i.focus(),setTimeout((()=>{t.focus(),i.remove(),doPaste(t,i.value)}),50)}function doPaste(t,e){let i,{state:o}=t,s=1,n=o.toText(e),r=n.lines==o.selection.ranges.length;if(null!=lastLinewiseCopy&&o.selection.ranges.every((t=>t.empty))&&lastLinewiseCopy==n.toString()){let t=-1;i=o.changeByRange((i=>{let l=o.doc.lineAt(i.from);if(l.from==t)return{range:i};t=l.from;let a=o.toText((r?n.line(s++).text:e)+o.lineBreak);return{changes:{from:l.from,insert:a},range:EditorSelection.cursor(i.from+a.length)}}))}else i=r?o.changeByRange((t=>{let e=n.line(s++);return{changes:{from:t.from,to:t.to,insert:e.text},range:EditorSelection.cursor(t.from+e.length)}})):o.replaceSelection(n);t.dispatch(i,{userEvent:"input.paste",scrollIntoView:!0})}function rangeForClick(t,e,i,o){if(1==o)return EditorSelection.cursor(e,i);if(2==o)return groupAt(t.state,e,i);{let i=LineView.find(t.docView,e),o=t.state.doc.lineAt(i?i.posAtEnd:e),s=i?i.posAtStart:o.from,n=i?i.posAtEnd:o.to;return n<t.state.doc.length&&n==o.to&&n++,EditorSelection.range(s,n)}}handlers.keydown=(t,e)=>{t.inputState.setSelectionOrigin("select"),27==e.keyCode&&(t.inputState.lastEscPress=Date.now())},handlers.touchstart=(t,e)=>{t.inputState.lastTouchTime=Date.now(),t.inputState.setSelectionOrigin("select.pointer")},handlers.touchmove=t=>{t.inputState.setSelectionOrigin("select.pointer")},handlerOptions.touchstart=handlerOptions.touchmove={passive:!0},handlers.mousedown=(t,e)=>{if(t.observer.flush(),t.inputState.lastTouchTime>Date.now()-2e3)return;let i=null;for(let o of t.state.facet(mouseSelectionStyle))if(i=o(t,e),i)break;if(i||0!=e.button||(i=basicMouseSelection(t,e)),i){let o=!t.hasFocus;t.inputState.startMouseSelection(new MouseSelection(t,e,i,o)),o&&t.observer.ignore((()=>focusPreventScroll(t.contentDOM))),t.inputState.mouseSelection&&t.inputState.mouseSelection.start(e)}};let insideY=(t,e)=>t>=e.top&&t<=e.bottom,inside=(t,e,i)=>insideY(e,i)&&t>=i.left&&t<=i.right;function findPositionSide(t,e,i,o){let s=LineView.find(t.docView,e);if(!s)return 1;let n=e-s.posAtStart;if(0==n)return 1;if(n==s.length)return-1;let r=s.coordsAt(n,-1);if(r&&inside(i,o,r))return-1;let l=s.coordsAt(n,1);return l&&inside(i,o,l)?1:r&&insideY(o,r)?-1:1}function queryPos(t,e){let i=t.posAtCoords({x:e.clientX,y:e.clientY},!1);return{pos:i,bias:findPositionSide(t,i,e.clientX,e.clientY)}}const BadMouseDetail=browser.ie&&browser.ie_version<=11;let lastMouseDown=null,lastMouseDownCount=0,lastMouseDownTime=0;function getClickType(t){if(!BadMouseDetail)return t.detail;let e=lastMouseDown,i=lastMouseDownTime;return lastMouseDown=t,lastMouseDownTime=Date.now(),lastMouseDownCount=!e||i>Date.now()-400&&Math.abs(e.clientX-t.clientX)<2&&Math.abs(e.clientY-t.clientY)<2?(lastMouseDownCount+1)%3:1}function basicMouseSelection(t,e){let i=queryPos(t,e),o=getClickType(e),s=t.state.selection;return{update(t){t.docChanged&&(i.pos=t.changes.mapPos(i.pos),s=s.map(t.changes))},get(e,n,r){let l,a=queryPos(t,e),h=rangeForClick(t,a.pos,a.bias,o);if(i.pos!=a.pos&&!n){let e=rangeForClick(t,i.pos,i.bias,o),s=Math.min(e.from,h.from),n=Math.max(e.to,h.to);h=s<h.from?EditorSelection.range(s,n):EditorSelection.range(n,s)}return n?s.replaceRange(s.main.extend(h.from,h.to)):r&&1==o&&s.ranges.length>1&&(l=removeRangeAround(s,a.pos))?l:r?s.addRange(h):EditorSelection.create([h])}}}function removeRangeAround(t,e){for(let i=0;i<t.ranges.length;i++){let{from:o,to:s}=t.ranges[i];if(o<=e&&s>=e)return EditorSelection.create(t.ranges.slice(0,i).concat(t.ranges.slice(i+1)),t.mainIndex==i?0:t.mainIndex-(t.mainIndex>i?1:0))}return null}function dropText(t,e,i,o){if(!i)return;let s=t.posAtCoords({x:e.clientX,y:e.clientY},!1);e.preventDefault();let{mouseSelection:n}=t.inputState,r=o&&n&&n.dragging&&dragMovesSelection(t,e)?{from:n.dragging.from,to:n.dragging.to}:null,l={from:s,insert:i},a=t.state.changes(r?[r,l]:l);t.focus(),t.dispatch({changes:a,selection:{anchor:a.mapPos(s,-1),head:a.mapPos(s,1)},userEvent:r?"move.drop":"input.drop"})}function captureCopy(t,e){let i=t.dom.parentNode;if(!i)return;let o=i.appendChild(document.createElement("textarea"));o.style.cssText="position: fixed; left: -10000px; top: 10px",o.value=e,o.focus(),o.selectionEnd=e.length,o.selectionStart=0,setTimeout((()=>{o.remove(),t.focus()}),50)}function copiedRange(t){let e=[],i=[],o=!1;for(let o of t.selection.ranges)o.empty||(e.push(t.sliceDoc(o.from,o.to)),i.push(o));if(!e.length){let s=-1;for(let{from:o}of t.selection.ranges){let n=t.doc.lineAt(o);n.number>s&&(e.push(n.text),i.push({from:n.from,to:Math.min(t.doc.length,n.to+1)})),s=n.number}o=!0}return{text:e.join(t.lineBreak),ranges:i,linewise:o}}handlers.dragstart=(t,e)=>{let{selection:{main:i}}=t.state,{mouseSelection:o}=t.inputState;o&&(o.dragging=i),e.dataTransfer&&(e.dataTransfer.setData("Text",t.state.sliceDoc(i.from,i.to)),e.dataTransfer.effectAllowed="copyMove")},handlers.drop=(t,e)=>{if(!e.dataTransfer)return;if(t.state.readOnly)return e.preventDefault();let i=e.dataTransfer.files;if(i&&i.length){e.preventDefault();let o=Array(i.length),s=0,n=()=>{++s==i.length&&dropText(t,e,o.filter((t=>null!=t)).join(t.state.lineBreak),!1)};for(let t=0;t<i.length;t++){let e=new FileReader;e.onerror=n,e.onload=()=>{/[\x00-\x08\x0e-\x1f]{2}/.test(e.result)||(o[t]=e.result),n()},e.readAsText(i[t])}}else dropText(t,e,e.dataTransfer.getData("Text"),!0)},handlers.paste=(t,e)=>{if(t.state.readOnly)return e.preventDefault();t.observer.flush();let i=brokenClipboardAPI?null:e.clipboardData;i?(doPaste(t,i.getData("text/plain")||i.getData("text/uri-text")),e.preventDefault()):capturePaste(t)};let lastLinewiseCopy=null;handlers.copy=handlers.cut=(t,e)=>{let{text:i,ranges:o,linewise:s}=copiedRange(t.state);if(!i&&!s)return;lastLinewiseCopy=s?i:null;let n=brokenClipboardAPI?null:e.clipboardData;n?(e.preventDefault(),n.clearData(),n.setData("text/plain",i)):captureCopy(t,i),"cut"!=e.type||t.state.readOnly||t.dispatch({changes:o,scrollIntoView:!0,userEvent:"delete.cut"})};const isFocusChange=Annotation.define();function focusChangeTransaction(t,e){let i=[];for(let o of t.facet(focusChangeEffect)){let s=o(t,e);s&&i.push(s)}return i?t.update({effects:i,annotations:isFocusChange.of(!0)}):null}function updateForFocusChange(t){setTimeout((()=>{let e=t.hasFocus;if(e!=t.inputState.notifiedFocused){let i=focusChangeTransaction(t.state,e);i?t.dispatch(i):t.update([])}}),10)}handlers.focus=t=>{t.inputState.lastFocusTime=Date.now(),t.scrollDOM.scrollTop||!t.inputState.lastScrollTop&&!t.inputState.lastScrollLeft||(t.scrollDOM.scrollTop=t.inputState.lastScrollTop,t.scrollDOM.scrollLeft=t.inputState.lastScrollLeft),updateForFocusChange(t)},handlers.blur=t=>{t.observer.clearSelectionRange(),updateForFocusChange(t)},handlers.compositionstart=handlers.compositionupdate=t=>{null==t.inputState.compositionFirstChange&&(t.inputState.compositionFirstChange=!0),t.inputState.composing<0&&(t.inputState.composing=0)},handlers.compositionend=t=>{t.inputState.composing=-1,t.inputState.compositionEndedAt=Date.now(),t.inputState.compositionPendingKey=!0,t.inputState.compositionPendingChange=t.observer.pendingRecords().length>0,t.inputState.compositionFirstChange=null,browser.chrome&&browser.android?t.observer.flushSoon():t.inputState.compositionPendingChange?Promise.resolve().then((()=>t.observer.flush())):setTimeout((()=>{t.inputState.composing<0&&t.docView.hasComposition&&t.update([])}),50)},handlers.contextmenu=t=>{t.inputState.lastContextMenu=Date.now()},handlers.beforeinput=(t,e)=>{var i;let o;if(browser.chrome&&browser.android&&(o=PendingKeys.find((t=>t.inputType==e.inputType)))&&(t.observer.delayAndroidKey(o.key,o.keyCode),"Backspace"==o.key||"Delete"==o.key)){let e=(null===(i=window.visualViewport)||void 0===i?void 0:i.height)||0;setTimeout((()=>{var i;((null===(i=window.visualViewport)||void 0===i?void 0:i.height)||0)>e+10&&t.hasFocus&&(t.contentDOM.blur(),t.focus())}),100)}};const appliedFirefoxHack=new Set;function firefoxCopyCutHack(t){appliedFirefoxHack.has(t)||(appliedFirefoxHack.add(t),t.addEventListener("copy",(()=>{})),t.addEventListener("cut",(()=>{})))}const wrappingWhiteSpace=["pre-wrap","normal","pre-line","break-spaces"];class HeightOracle{constructor(t){this.lineWrapping=t,this.doc=Text.empty,this.heightSamples={},this.lineHeight=14,this.charWidth=7,this.textHeight=14,this.lineLength=30,this.heightChanged=!1}heightForGap(t,e){let i=this.doc.lineAt(e).number-this.doc.lineAt(t).number+1;return this.lineWrapping&&(i+=Math.max(0,Math.ceil((e-t-i*this.lineLength*.5)/this.lineLength))),this.lineHeight*i}heightForLine(t){if(!this.lineWrapping)return this.lineHeight;return(1+Math.max(0,Math.ceil((t-this.lineLength)/(this.lineLength-5))))*this.lineHeight}setDoc(t){return this.doc=t,this}mustRefreshForWrapping(t){return wrappingWhiteSpace.indexOf(t)>-1!=this.lineWrapping}mustRefreshForHeights(t){let e=!1;for(let i=0;i<t.length;i++){let o=t[i];o<0?i++:this.heightSamples[Math.floor(10*o)]||(e=!0,this.heightSamples[Math.floor(10*o)]=!0)}return e}refresh(t,e,i,o,s,n){let r=wrappingWhiteSpace.indexOf(t)>-1,l=Math.round(e)!=Math.round(this.lineHeight)||this.lineWrapping!=r;if(this.lineWrapping=r,this.lineHeight=e,this.charWidth=i,this.textHeight=o,this.lineLength=s,l){this.heightSamples={};for(let t=0;t<n.length;t++){let e=n[t];e<0?t++:this.heightSamples[Math.floor(10*e)]=!0}}return l}}class MeasuredHeights{constructor(t,e){this.from=t,this.heights=e,this.index=0}get more(){return this.index<this.heights.length}}class BlockInfo{constructor(t,e,i,o,s){this.from=t,this.length=e,this.top=i,this.height=o,this._content=s}get type(){return"number"==typeof this._content?BlockType.Text:Array.isArray(this._content)?this._content:this._content.type}get to(){return this.from+this.length}get bottom(){return this.top+this.height}get widget(){return this._content instanceof PointDecoration?this._content.widget:null}get widgetLineBreaks(){return"number"==typeof this._content?this._content:0}join(t){let e=(Array.isArray(this._content)?this._content:[this]).concat(Array.isArray(t._content)?t._content:[t]);return new BlockInfo(this.from,this.length+t.length,this.top,this.height+t.height,e)}}var QueryType=function(t){return t[t.ByPos=0]="ByPos",t[t.ByHeight=1]="ByHeight",t[t.ByPosNoHeight=2]="ByPosNoHeight",t}(QueryType||(QueryType={}));const Epsilon=.001;class HeightMap{constructor(t,e,i=2){this.length=t,this.height=e,this.flags=i}get outdated(){return(2&this.flags)>0}set outdated(t){this.flags=(t?2:0)|-3&this.flags}setHeight(t,e){this.height!=e&&(Math.abs(this.height-e)>.001&&(t.heightChanged=!0),this.height=e)}replace(t,e,i){return HeightMap.of(i)}decomposeLeft(t,e){e.push(this)}decomposeRight(t,e){e.push(this)}applyChanges(t,e,i,o){let s=this,n=i.doc;for(let r=o.length-1;r>=0;r--){let{fromA:l,toA:a,fromB:h,toB:c}=o[r],d=s.lineAt(l,QueryType.ByPosNoHeight,i.setDoc(e),0,0),u=d.to>=a?d:s.lineAt(a,QueryType.ByPosNoHeight,i,0,0);for(c+=u.to-a,a=u.to;r>0&&d.from<=o[r-1].toA;)l=o[r-1].fromA,h=o[r-1].fromB,r--,l<d.from&&(d=s.lineAt(l,QueryType.ByPosNoHeight,i,0,0));h+=d.from-l,l=d.from;let f=NodeBuilder.build(i.setDoc(n),t,h,c);s=s.replace(l,a,f)}return s.updateHeight(i,0)}static empty(){return new HeightMapText(0,0)}static of(t){if(1==t.length)return t[0];let e=0,i=t.length,o=0,s=0;for(;;)if(e==i)if(o>2*s){let s=t[e-1];s.break?t.splice(--e,1,s.left,null,s.right):t.splice(--e,1,s.left,s.right),i+=1+s.break,o-=s.size}else{if(!(s>2*o))break;{let e=t[i];e.break?t.splice(i,1,e.left,null,e.right):t.splice(i,1,e.left,e.right),i+=2+e.break,s-=e.size}}else if(o<s){let i=t[e++];i&&(o+=i.size)}else{let e=t[--i];e&&(s+=e.size)}let n=0;return null==t[e-1]?(n=1,e--):null==t[e]&&(n=1,i++),new HeightMapBranch(HeightMap.of(t.slice(0,e)),n,HeightMap.of(t.slice(i)))}}HeightMap.prototype.size=1;class HeightMapBlock extends HeightMap{constructor(t,e,i){super(t,e),this.deco=i}blockAt(t,e,i,o){return new BlockInfo(o,this.length,i,this.height,this.deco||0)}lineAt(t,e,i,o,s){return this.blockAt(0,i,o,s)}forEachLine(t,e,i,o,s,n){t<=s+this.length&&e>=s&&n(this.blockAt(0,i,o,s))}updateHeight(t,e=0,i=!1,o){return o&&o.from<=e&&o.more&&this.setHeight(t,o.heights[o.index++]),this.outdated=!1,this}toString(){return`block(${this.length})`}}class HeightMapText extends HeightMapBlock{constructor(t,e){super(t,e,null),this.collapsed=0,this.widgetHeight=0,this.breaks=0}blockAt(t,e,i,o){return new BlockInfo(o,this.length,i,this.height,this.breaks)}replace(t,e,i){let o=i[0];return 1==i.length&&(o instanceof HeightMapText||o instanceof HeightMapGap&&4&o.flags)&&Math.abs(this.length-o.length)<10?(o instanceof HeightMapGap?o=new HeightMapText(o.length,this.height):o.height=this.height,this.outdated||(o.outdated=!1),o):HeightMap.of(i)}updateHeight(t,e=0,i=!1,o){return o&&o.from<=e&&o.more?this.setHeight(t,o.heights[o.index++]):(i||this.outdated)&&this.setHeight(t,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:""})`}}class HeightMapGap extends HeightMap{constructor(t){super(t,0)}heightMetrics(t,e){let i,o=t.doc.lineAt(e).number,s=t.doc.lineAt(e+this.length).number,n=s-o+1,r=0;if(t.lineWrapping){let e=Math.min(this.height,t.lineHeight*n);i=e/n,this.length>n+1&&(r=(this.height-e)/(this.length-n-1))}else i=this.height/n;return{firstLine:o,lastLine:s,perLine:i,perChar:r}}blockAt(t,e,i,o){let{firstLine:s,lastLine:n,perLine:r,perChar:l}=this.heightMetrics(e,o);if(e.lineWrapping){let s=o+Math.round(Math.max(0,Math.min(1,(t-i)/this.height))*this.length),n=e.doc.lineAt(s),a=r+n.length*l,h=Math.max(i,t-a/2);return new BlockInfo(n.from,n.length,h,a,0)}{let o=Math.max(0,Math.min(n-s,Math.floor((t-i)/r))),{from:l,length:a}=e.doc.line(s+o);return new BlockInfo(l,a,i+r*o,r,0)}}lineAt(t,e,i,o,s){if(e==QueryType.ByHeight)return this.blockAt(t,i,o,s);if(e==QueryType.ByPosNoHeight){let{from:e,to:o}=i.doc.lineAt(t);return new BlockInfo(e,o-e,0,0,0)}let{firstLine:n,perLine:r,perChar:l}=this.heightMetrics(i,s),a=i.doc.lineAt(t),h=r+a.length*l,c=a.number-n,d=o+r*c+l*(a.from-s-c);return new BlockInfo(a.from,a.length,Math.max(o,Math.min(d,o+this.height-h)),h,0)}forEachLine(t,e,i,o,s,n){t=Math.max(t,s),e=Math.min(e,s+this.length);let{firstLine:r,perLine:l,perChar:a}=this.heightMetrics(i,s);for(let h=t,c=o;h<=e;){let e=i.doc.lineAt(h);if(h==t){let i=e.number-r;c+=l*i+a*(t-s-i)}let o=l+a*e.length;n(new BlockInfo(e.from,e.length,c,o,0)),c+=o,h=e.to+1}}replace(t,e,i){let o=this.length-e;if(o>0){let t=i[i.length-1];t instanceof HeightMapGap?i[i.length-1]=new HeightMapGap(t.length+o):i.push(null,new HeightMapGap(o-1))}if(t>0){let e=i[0];e instanceof HeightMapGap?i[0]=new HeightMapGap(t+e.length):i.unshift(new HeightMapGap(t-1),null)}return HeightMap.of(i)}decomposeLeft(t,e){e.push(new HeightMapGap(t-1),null)}decomposeRight(t,e){e.push(null,new HeightMapGap(this.length-t-1))}updateHeight(t,e=0,i=!1,o){let s=e+this.length;if(o&&o.from<=e+this.length&&o.more){let i=[],n=Math.max(e,o.from),r=-1;for(o.from>e&&i.push(new HeightMapGap(o.from-e-1).updateHeight(t,e));n<=s&&o.more;){let e=t.doc.lineAt(n).length;i.length&&i.push(null);let s=o.heights[o.index++];-1==r?r=s:Math.abs(s-r)>=.001&&(r=-2);let l=new HeightMapText(e,s);l.outdated=!1,i.push(l),n+=e+1}n<=s&&i.push(null,new HeightMapGap(s-n).updateHeight(t,n));let l=HeightMap.of(i);return(r<0||Math.abs(l.height-this.height)>=.001||Math.abs(r-this.heightMetrics(t,e).perLine)>=.001)&&(t.heightChanged=!0),l}return(i||this.outdated)&&(this.setHeight(t,t.heightForGap(e,e+this.length)),this.outdated=!1),this}toString(){return`gap(${this.length})`}}class HeightMapBranch extends HeightMap{constructor(t,e,i){super(t.length+e+i.length,t.height+i.height,e|(t.outdated||i.outdated?2:0)),this.left=t,this.right=i,this.size=t.size+i.size}get break(){return 1&this.flags}blockAt(t,e,i,o){let s=i+this.left.height;return t<s?this.left.blockAt(t,e,i,o):this.right.blockAt(t,e,s,o+this.left.length+this.break)}lineAt(t,e,i,o,s){let n=o+this.left.height,r=s+this.left.length+this.break,l=e==QueryType.ByHeight?t<n:t<r,a=l?this.left.lineAt(t,e,i,o,s):this.right.lineAt(t,e,i,n,r);if(this.break||(l?a.to<r:a.from>r))return a;let h=e==QueryType.ByPosNoHeight?QueryType.ByPosNoHeight:QueryType.ByPos;return l?a.join(this.right.lineAt(r,h,i,n,r)):this.left.lineAt(r,h,i,o,s).join(a)}forEachLine(t,e,i,o,s,n){let r=o+this.left.height,l=s+this.left.length+this.break;if(this.break)t<l&&this.left.forEachLine(t,e,i,o,s,n),e>=l&&this.right.forEachLine(t,e,i,r,l,n);else{let a=this.lineAt(l,QueryType.ByPos,i,o,s);t<a.from&&this.left.forEachLine(t,a.from-1,i,o,s,n),a.to>=t&&a.from<=e&&n(a),e>a.to&&this.right.forEachLine(a.to+1,e,i,r,l,n)}}replace(t,e,i){let o=this.left.length+this.break;if(e<o)return this.balanced(this.left.replace(t,e,i),this.right);if(t>this.left.length)return this.balanced(this.left,this.right.replace(t-o,e-o,i));let s=[];t>0&&this.decomposeLeft(t,s);let n=s.length;for(let t of i)s.push(t);if(t>0&&mergeGaps(s,n-1),e<this.length){let t=s.length;this.decomposeRight(e,s),mergeGaps(s,t)}return HeightMap.of(s)}decomposeLeft(t,e){let i=this.left.length;if(t<=i)return this.left.decomposeLeft(t,e);e.push(this.left),this.break&&(i++,t>=i&&e.push(null)),t>i&&this.right.decomposeLeft(t-i,e)}decomposeRight(t,e){let i=this.left.length,o=i+this.break;if(t>=o)return this.right.decomposeRight(t-o,e);t<i&&this.left.decomposeRight(t,e),this.break&&t<o&&e.push(null),e.push(this.right)}balanced(t,e){return t.size>2*e.size||e.size>2*t.size?HeightMap.of(this.break?[t,null,e]:[t,e]):(this.left=t,this.right=e,this.height=t.height+e.height,this.outdated=t.outdated||e.outdated,this.size=t.size+e.size,this.length=t.length+this.break+e.length,this)}updateHeight(t,e=0,i=!1,o){let{left:s,right:n}=this,r=e+s.length+this.break,l=null;return o&&o.from<=e+s.length&&o.more?l=s=s.updateHeight(t,e,i,o):s.updateHeight(t,e,i),o&&o.from<=r+n.length&&o.more?l=n=n.updateHeight(t,r,i,o):n.updateHeight(t,r,i),l?this.balanced(s,n):(this.height=this.left.height+this.right.height,this.outdated=!1,this)}toString(){return this.left+(this.break?" ":"-")+this.right}}function mergeGaps(t,e){let i,o;null==t[e]&&(i=t[e-1])instanceof HeightMapGap&&(o=t[e+1])instanceof HeightMapGap&&t.splice(e-1,3,new HeightMapGap(i.length+1+o.length))}const relevantWidgetHeight=5;class NodeBuilder{constructor(t,e){this.pos=t,this.oracle=e,this.nodes=[],this.lineStart=-1,this.lineEnd=-1,this.covering=null,this.writtenTo=t}get isCovered(){return this.covering&&this.nodes[this.nodes.length-1]==this.covering}span(t,e){if(this.lineStart>-1){let t=Math.min(e,this.lineEnd),i=this.nodes[this.nodes.length-1];i instanceof HeightMapText?i.length+=t-this.pos:(t>this.pos||!this.isCovered)&&this.nodes.push(new HeightMapText(t-this.pos,-1)),this.writtenTo=t,e>t&&(this.nodes.push(null),this.writtenTo++,this.lineStart=-1)}this.pos=e}point(t,e,i){if(t<e||i.heightRelevant){let o=i.widget?i.widget.estimatedHeight:0,s=i.widget?i.widget.lineBreaks:0;o<0&&(o=this.oracle.lineHeight);let n=e-t;i.block?this.addBlock(new HeightMapBlock(n,o,i)):(n||s||o>=5)&&this.addLineDeco(o,s,n)}else e>t&&this.span(t,e);this.lineEnd>-1&&this.lineEnd<this.pos&&(this.lineEnd=this.oracle.doc.lineAt(this.pos).to)}enterLine(){if(this.lineStart>-1)return;let{from:t,to:e}=this.oracle.doc.lineAt(this.pos);this.lineStart=t,this.lineEnd=e,this.writtenTo<t&&((this.writtenTo<t-1||null==this.nodes[this.nodes.length-1])&&this.nodes.push(this.blankContent(this.writtenTo,t-1)),this.nodes.push(null)),this.pos>t&&this.nodes.push(new HeightMapText(this.pos-t,-1)),this.writtenTo=this.pos}blankContent(t,e){let i=new HeightMapGap(e-t);return this.oracle.doc.lineAt(t).to==e&&(i.flags|=4),i}ensureLine(){this.enterLine();let t=this.nodes.length?this.nodes[this.nodes.length-1]:null;if(t instanceof HeightMapText)return t;let e=new HeightMapText(0,-1);return this.nodes.push(e),e}addBlock(t){var e;this.enterLine();let i=null===(e=t.deco)||void 0===e?void 0:e.type;i!=BlockType.WidgetAfter||this.isCovered||this.ensureLine(),this.nodes.push(t),this.writtenTo=this.pos=this.pos+t.length,i!=BlockType.WidgetBefore&&(this.covering=t)}addLineDeco(t,e,i){let o=this.ensureLine();o.length+=i,o.collapsed+=i,o.widgetHeight=Math.max(o.widgetHeight,t),o.breaks+=e,this.writtenTo=this.pos=this.pos+i}finish(t){let e=0==this.nodes.length?null:this.nodes[this.nodes.length-1];!(this.lineStart>-1)||e instanceof HeightMapText||this.isCovered?(this.writtenTo<this.pos||null==e)&&this.nodes.push(this.blankContent(this.writtenTo,this.pos)):this.nodes.push(new HeightMapText(0,-1));let i=t;for(let t of this.nodes)t instanceof HeightMapText&&t.updateHeight(this.oracle,i),i+=t?t.length:1;return this.nodes}static build(t,e,i,o){let s=new NodeBuilder(i,t);return RangeSet.spans(e,i,o,s,0),s.finish(i)}}function heightRelevantDecoChanges(t,e,i){let o=new DecorationComparator;return RangeSet.compare(t,e,i,o,0),o.changes}class DecorationComparator{constructor(){this.changes=[]}compareRange(){}comparePoint(t,e,i,o){(t<e||i&&i.heightRelevant||o&&o.heightRelevant)&&addRange(t,e,this.changes,5)}}function visiblePixelRange(t,e){let i=t.getBoundingClientRect(),o=t.ownerDocument,s=o.defaultView||window,n=Math.max(0,i.left),r=Math.min(s.innerWidth,i.right),l=Math.max(0,i.top),a=Math.min(s.innerHeight,i.bottom);for(let e=t.parentNode;e&&e!=o.body;)if(1==e.nodeType){let i=e,o=window.getComputedStyle(i);if((i.scrollHeight>i.clientHeight||i.scrollWidth>i.clientWidth)&&"visible"!=o.overflow){let o=i.getBoundingClientRect();n=Math.max(n,o.left),r=Math.min(r,o.right),l=Math.max(l,o.top),a=e==t.parentNode?o.bottom:Math.min(a,o.bottom)}e="absolute"==o.position||"fixed"==o.position?i.offsetParent:i.parentNode}else{if(11!=e.nodeType)break;e=e.host}return{left:n-i.left,right:Math.max(n,r)-i.left,top:l-(i.top+e),bottom:Math.max(l,a)-(i.top+e)}}function fullPixelRange(t,e){let i=t.getBoundingClientRect();return{left:0,right:i.right-i.left,top:e,bottom:i.bottom-(i.top+e)}}class LineGap{constructor(t,e,i){this.from=t,this.to=e,this.size=i}static same(t,e){if(t.length!=e.length)return!1;for(let i=0;i<t.length;i++){let o=t[i],s=e[i];if(o.from!=s.from||o.to!=s.to||o.size!=s.size)return!1}return!0}draw(t){return Decoration.replace({widget:new LineGapWidget(this.size,t)}).range(this.from,this.to)}}class LineGapWidget extends WidgetType{constructor(t,e){super(),this.size=t,this.vertical=e}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}}class ViewState{constructor(t){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.scrollTop=0,this.scrolledToBottom=!0,this.scrollAnchorPos=0,this.scrollAnchorHeight=-1,this.scaler=IdScaler,this.scrollTarget=null,this.printing=!1,this.mustMeasureContent=!0,this.defaultTextDirection=Direction.LTR,this.visibleRanges=[],this.mustEnforceCursorAssoc=!1;let e=t.facet(contentAttributes).some((t=>"function"!=typeof t&&"cm-lineWrapping"==t.class));this.heightOracle=new HeightOracle(e),this.stateDeco=t.facet(decorations).filter((t=>"function"!=typeof t)),this.heightMap=HeightMap.empty().applyChanges(this.stateDeco,Text.empty,this.heightOracle.setDoc(t.doc),[new ChangedRange(0,0,0,t.doc.length)]),this.viewport=this.getViewport(0,null),this.updateViewportLines(),this.updateForViewport(),this.lineGaps=this.ensureLineGaps([]),this.lineGapDeco=Decoration.set(this.lineGaps.map((t=>t.draw(!1)))),this.computeVisibleRanges()}updateForViewport(){let t=[this.viewport],{main:e}=this.state.selection;for(let i=0;i<=1;i++){let o=i?e.head:e.anchor;if(!t.some((({from:t,to:e})=>o>=t&&o<=e))){let{from:e,to:i}=this.lineBlockAt(o);t.push(new Viewport(e,i))}}this.viewports=t.sort(((t,e)=>t.from-e.from)),this.scaler=this.heightMap.height<=7e6?IdScaler:new BigScaler(this.heightOracle,this.heightMap,this.viewports)}updateViewportLines(){this.viewportLines=[],this.heightMap.forEachLine(this.viewport.from,this.viewport.to,this.heightOracle.setDoc(this.state.doc),0,0,(t=>{this.viewportLines.push(1==this.scaler.scale?t:scaleBlock(t,this.scaler))}))}update(t,e=null){this.state=t.state;let i=this.stateDeco;this.stateDeco=this.state.facet(decorations).filter((t=>"function"!=typeof t));let o=t.changedRanges,s=ChangedRange.extendWithRanges(o,heightRelevantDecoChanges(i,this.stateDeco,t?t.changes:ChangeSet.empty(this.state.doc.length))),n=this.heightMap.height,r=this.scrolledToBottom?null:this.scrollAnchorAt(this.scrollTop);this.heightMap=this.heightMap.applyChanges(this.stateDeco,t.startState.doc,this.heightOracle.setDoc(this.state.doc),s),this.heightMap.height!=n&&(t.flags|=2),r?(this.scrollAnchorPos=t.changes.mapPos(r.from,-1),this.scrollAnchorHeight=r.top):(this.scrollAnchorPos=-1,this.scrollAnchorHeight=this.heightMap.height);let l=s.length?this.mapViewport(this.viewport,t.changes):this.viewport;(e&&(e.range.head<l.from||e.range.head>l.to)||!this.viewportIsAppropriate(l))&&(l=this.getViewport(0,e));let a=!t.changes.empty||2&t.flags||l.from!=this.viewport.from||l.to!=this.viewport.to;this.viewport=l,this.updateForViewport(),a&&this.updateViewportLines(),(this.lineGaps.length||this.viewport.to-this.viewport.from>4e3)&&this.updateLineGaps(this.ensureLineGaps(this.mapLineGaps(this.lineGaps,t.changes))),t.flags|=this.computeVisibleRanges(),e&&(this.scrollTarget=e),!this.mustEnforceCursorAssoc&&t.selectionSet&&t.view.lineWrapping&&t.state.selection.main.empty&&t.state.selection.main.assoc&&!t.state.facet(nativeSelectionHidden)&&(this.mustEnforceCursorAssoc=!0)}measure(t){let e=t.contentDOM,i=window.getComputedStyle(e),o=this.heightOracle,s=i.whiteSpace;this.defaultTextDirection="rtl"==i.direction?Direction.RTL:Direction.LTR;let n=this.heightOracle.mustRefreshForWrapping(s),r=e.getBoundingClientRect(),l=n||this.mustMeasureContent||this.contentDOMHeight!=r.height;this.contentDOMHeight=r.height,this.mustMeasureContent=!1;let a=0,h=0,c=parseInt(i.paddingTop)||0,d=parseInt(i.paddingBottom)||0;this.paddingTop==c&&this.paddingBottom==d||(this.paddingTop=c,this.paddingBottom=d,a|=10),this.editorWidth!=t.scrollDOM.clientWidth&&(o.lineWrapping&&(l=!0),this.editorWidth=t.scrollDOM.clientWidth,a|=8),this.scrollTop!=t.scrollDOM.scrollTop&&(this.scrollAnchorHeight=-1,this.scrollTop=t.scrollDOM.scrollTop),this.scrolledToBottom=isScrolledToBottom(t.scrollDOM);let u=(this.printing?fullPixelRange:visiblePixelRange)(e,this.paddingTop),f=u.top-this.pixelViewport.top,p=u.bottom-this.pixelViewport.bottom;this.pixelViewport=u;let g=this.pixelViewport.bottom>this.pixelViewport.top&&this.pixelViewport.right>this.pixelViewport.left;if(g!=this.inView&&(this.inView=g,g&&(l=!0)),!this.inView&&!this.scrollTarget)return 0;let m=r.width;if(this.contentDOMWidth==m&&this.editorHeight==t.scrollDOM.clientHeight||(this.contentDOMWidth=r.width,this.editorHeight=t.scrollDOM.clientHeight,a|=8),l){let e=t.docView.measureVisibleLineHeights(this.viewport);if(o.mustRefreshForHeights(e)&&(n=!0),n||o.lineWrapping&&Math.abs(m-this.contentDOMWidth)>o.charWidth){let{lineHeight:i,charWidth:r,textHeight:l}=t.docView.measureTextSize();n=i>0&&o.refresh(s,i,r,l,m/r,e),n&&(t.docView.minWidth=0,a|=8)}f>0&&p>0?h=Math.max(f,p):f<0&&p<0&&(h=Math.min(f,p)),o.heightChanged=!1;for(let i of this.viewports){let s=i.from==this.viewport.from?e:t.docView.measureVisibleLineHeights(i);this.heightMap=(n?HeightMap.empty().applyChanges(this.stateDeco,Text.empty,this.heightOracle,[new ChangedRange(0,0,0,t.state.doc.length)]):this.heightMap).updateHeight(o,0,n,new MeasuredHeights(i.from,s))}o.heightChanged&&(a|=2)}let w=!this.viewportIsAppropriate(this.viewport,h)||this.scrollTarget&&(this.scrollTarget.range.head<this.viewport.from||this.scrollTarget.range.head>this.viewport.to);return w&&(this.viewport=this.getViewport(h,this.scrollTarget)),this.updateForViewport(),(2&a||w)&&this.updateViewportLines(),(this.lineGaps.length||this.viewport.to-this.viewport.from>4e3)&&this.updateLineGaps(this.ensureLineGaps(n?[]:this.lineGaps,t)),a|=this.computeVisibleRanges(),this.mustEnforceCursorAssoc&&(this.mustEnforceCursorAssoc=!1,t.docView.enforceCursorAssoc()),a}get visibleTop(){return this.scaler.fromDOM(this.pixelViewport.top)}get visibleBottom(){return this.scaler.fromDOM(this.pixelViewport.bottom)}getViewport(t,e){let i=.5-Math.max(-.5,Math.min(.5,t/1e3/2)),o=this.heightMap,s=this.heightOracle,{visibleTop:n,visibleBottom:r}=this,l=new Viewport(o.lineAt(n-1e3*i,QueryType.ByHeight,s,0,0).from,o.lineAt(r+1e3*(1-i),QueryType.ByHeight,s,0,0).to);if(e){let{head:t}=e.range;if(t<l.from||t>l.to){let i,n=Math.min(this.editorHeight,this.pixelViewport.bottom-this.pixelViewport.top),r=o.lineAt(t,QueryType.ByPos,s,0,0);i="center"==e.y?(r.top+r.bottom)/2-n/2:"start"==e.y||"nearest"==e.y&&t<l.from?r.top:r.bottom-n,l=new Viewport(o.lineAt(i-500,QueryType.ByHeight,s,0,0).from,o.lineAt(i+n+500,QueryType.ByHeight,s,0,0).to)}}return l}mapViewport(t,e){let i=e.mapPos(t.from,-1),o=e.mapPos(t.to,1);return new Viewport(this.heightMap.lineAt(i,QueryType.ByPos,this.heightOracle,0,0).from,this.heightMap.lineAt(o,QueryType.ByPos,this.heightOracle,0,0).to)}viewportIsAppropriate({from:t,to:e},i=0){if(!this.inView)return!0;let{top:o}=this.heightMap.lineAt(t,QueryType.ByPos,this.heightOracle,0,0),{bottom:s}=this.heightMap.lineAt(e,QueryType.ByPos,this.heightOracle,0,0),{visibleTop:n,visibleBottom:r}=this;return(0==t||o<=n-Math.max(10,Math.min(-i,250)))&&(e==this.state.doc.length||s>=r+Math.max(10,Math.min(i,250)))&&o>n-2e3&&s<r+2e3}mapLineGaps(t,e){if(!t.length||e.empty)return t;let i=[];for(let o of t)e.touchesRange(o.from,o.to)||i.push(new LineGap(e.mapPos(o.from),e.mapPos(o.to),o.size));return i}ensureLineGaps(t,e){let i=this.heightOracle.lineWrapping,o=i?1e4:2e3,s=o>>1,n=o<<1;if(this.defaultTextDirection!=Direction.LTR&&!i)return[];let r=[],l=(o,n,a,h)=>{if(n-o<s)return;let c=this.state.selection.main,d=[c.from];c.empty||d.push(c.to);for(let t of d)if(t>o&&t<n)return l(o,t-10,a,h),void l(t+10,n,a,h);let u=find(t,(t=>t.from>=a.from&&t.to<=a.to&&Math.abs(t.from-o)<s&&Math.abs(t.to-n)<s&&!d.some((e=>t.from<e&&t.to>e))));if(!u){if(n<a.to&&e&&i&&e.visibleRanges.some((t=>t.from<=n&&t.to>=n))){let t=e.moveToLineBoundary(EditorSelection.cursor(n),!1,!0).head;t>o&&(n=t)}u=new LineGap(o,n,this.gapSize(a,o,n,h))}r.push(u)};for(let t of this.viewportLines){if(t.length<n)continue;let e=lineStructure(t.from,t.to,this.stateDeco);if(e.total<n)continue;let s,r,a=this.scrollTarget?this.scrollTarget.range.head:null;if(i){let i,n,l=o/this.heightOracle.lineLength*this.heightOracle.lineHeight;if(null!=a){let o=findFraction(e,a),s=((this.visibleBottom-this.visibleTop)/2+l)/t.height;i=o-s,n=o+s}else i=(this.visibleTop-t.top-l)/t.height,n=(this.visibleBottom-t.top+l)/t.height;s=findPosition(e,i),r=findPosition(e,n)}else{let t,i,n=e.total*this.heightOracle.charWidth,l=o*this.heightOracle.charWidth;if(null!=a){let o=findFraction(e,a),s=((this.pixelViewport.right-this.pixelViewport.left)/2+l)/n;t=o-s,i=o+s}else t=(this.pixelViewport.left-l)/n,i=(this.pixelViewport.right+l)/n;s=findPosition(e,t),r=findPosition(e,i)}s>t.from&&l(t.from,s,t,e),r<t.to&&l(r,t.to,t,e)}return r}gapSize(t,e,i,o){let s=findFraction(o,i)-findFraction(o,e);return this.heightOracle.lineWrapping?t.height*s:o.total*this.heightOracle.charWidth*s}updateLineGaps(t){LineGap.same(t,this.lineGaps)||(this.lineGaps=t,this.lineGapDeco=Decoration.set(t.map((t=>t.draw(this.heightOracle.lineWrapping)))))}computeVisibleRanges(){let t=this.stateDeco;this.lineGaps.length&&(t=t.concat(this.lineGapDeco));let e=[];RangeSet.spans(t,this.viewport.from,this.viewport.to,{span(t,i){e.push({from:t,to:i})},point(){}},20);let i=e.length!=this.visibleRanges.length||this.visibleRanges.some(((t,i)=>t.from!=e[i].from||t.to!=e[i].to));return this.visibleRanges=e,i?4:0}lineBlockAt(t){return t>=this.viewport.from&&t<=this.viewport.to&&this.viewportLines.find((e=>e.from<=t&&e.to>=t))||scaleBlock(this.heightMap.lineAt(t,QueryType.ByPos,this.heightOracle,0,0),this.scaler)}lineBlockAtHeight(t){return scaleBlock(this.heightMap.lineAt(this.scaler.fromDOM(t),QueryType.ByHeight,this.heightOracle,0,0),this.scaler)}scrollAnchorAt(t){let e=this.lineBlockAtHeight(t+8);return e.from>=this.viewport.from||this.viewportLines[0].top-t>200?e:this.viewportLines[0]}elementAtHeight(t){return scaleBlock(this.heightMap.blockAt(this.scaler.fromDOM(t),this.heightOracle,0,0),this.scaler)}get docHeight(){return this.scaler.toDOM(this.heightMap.height)}get contentHeight(){return this.docHeight+this.paddingTop+this.paddingBottom}}class Viewport{constructor(t,e){this.from=t,this.to=e}}function lineStructure(t,e,i){let o=[],s=t,n=0;return RangeSet.spans(i,t,e,{span(){},point(t,e){t>s&&(o.push({from:s,to:t}),n+=t-s),s=e}},20),s<e&&(o.push({from:s,to:e}),n+=e-s),{total:n,ranges:o}}function findPosition({total:t,ranges:e},i){if(i<=0)return e[0].from;if(i>=1)return e[e.length-1].to;let o=Math.floor(t*i);for(let t=0;;t++){let{from:i,to:s}=e[t],n=s-i;if(o<=n)return i+o;o-=n}}function findFraction(t,e){let i=0;for(let{from:o,to:s}of t.ranges){if(e<=s){i+=e-o;break}i+=s-o}return i/t.total}function find(t,e){for(let i of t)if(e(i))return i}const IdScaler={toDOM:t=>t,fromDOM:t=>t,scale:1};class BigScaler{constructor(t,e,i){let o=0,s=0,n=0;this.viewports=i.map((({from:i,to:s})=>{let n=e.lineAt(i,QueryType.ByPos,t,0,0).top,r=e.lineAt(s,QueryType.ByPos,t,0,0).bottom;return o+=r-n,{from:i,to:s,top:n,bottom:r,domTop:0,domBottom:0}})),this.scale=(7e6-o)/(e.height-o);for(let t of this.viewports)t.domTop=n+(t.top-s)*this.scale,n=t.domBottom=t.domTop+(t.bottom-t.top),s=t.bottom}toDOM(t){for(let e=0,i=0,o=0;;e++){let s=e<this.viewports.length?this.viewports[e]:null;if(!s||t<s.top)return o+(t-i)*this.scale;if(t<=s.bottom)return s.domTop+(t-s.top);i=s.bottom,o=s.domBottom}}fromDOM(t){for(let e=0,i=0,o=0;;e++){let s=e<this.viewports.length?this.viewports[e]:null;if(!s||t<s.domTop)return i+(t-o)/this.scale;if(t<=s.domBottom)return s.top+(t-s.domTop);i=s.bottom,o=s.domBottom}}}function scaleBlock(t,e){if(1==e.scale)return t;let i=e.toDOM(t.top),o=e.toDOM(t.bottom);return new BlockInfo(t.from,t.length,i,o-i,Array.isArray(t._content)?t._content.map((t=>scaleBlock(t,e))):t._content)}const theme=Facet.define({combine:t=>t.join(" ")}),darkTheme=Facet.define({combine:t=>t.indexOf(!0)>-1}),baseThemeID=StyleModule.newName(),baseLightID=StyleModule.newName(),baseDarkID=StyleModule.newName(),lightDarkIDs={"&light":"."+baseLightID,"&dark":"."+baseDarkID};function buildTheme(t,e,i){return new StyleModule(e,{finish:e=>/&/.test(e)?e.replace(/&\w*/,(e=>{if("&"==e)return t;if(!i||!i[e])throw new RangeError(`Unsupported selector: ${e}`);return i[e]})):t+" "+e})}const baseTheme$1=buildTheme("."+baseThemeID,{"&":{position:"relative !important",boxSizing:"border-box","&.cm-focused":{outline:"1px dotted #212121"},display:"flex !important",flexDirection:"column"},".cm-scroller":{display:"flex !important",alignItems:"flex-start !important",fontFamily:"monospace",lineHeight:1.4,height:"100%",overflowX:"auto",position:"relative",zIndex:0},".cm-content":{margin:0,flexGrow:2,flexShrink:0,display:"block",whiteSpace:"pre",wordWrap:"normal",boxSizing:"border-box",padding:"4px 0",outline:"none","&[contenteditable=true]":{WebkitUserModify:"read-write-plaintext-only"}},".cm-lineWrapping":{whiteSpace_fallback:"pre-wrap",whiteSpace:"break-spaces",wordBreak:"break-word",overflowWrap:"anywhere",flexShrink:1},"&light .cm-content":{caretColor:"black"},"&dark .cm-content":{caretColor:"white"},".cm-line":{display:"block",padding:"0 2px 0 6px"},".cm-layer":{position:"absolute",left:0,top:0,contain:"size style","& > *":{position:"absolute"}},"&light .cm-selectionBackground":{background:"#d9d9d9"},"&dark .cm-selectionBackground":{background:"#222"},"&light.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground":{background:"#d7d4f0"},"&dark.cm-focused > .cm-scroller > .cm-selectionLayer .cm-selectionBackground":{background:"#233"},".cm-cursorLayer":{pointerEvents:"none"},"&.cm-focused > .cm-scroller > .cm-cursorLayer":{animation:"steps(1) cm-blink 1.2s infinite"},"@keyframes cm-blink":{"0%":{},"50%":{opacity:0},"100%":{}},"@keyframes cm-blink2":{"0%":{},"50%":{opacity:0},"100%":{}},".cm-cursor, .cm-dropCursor":{borderLeft:"1.2px solid black",marginLeft:"-0.6px",pointerEvents:"none"},".cm-cursor":{display:"none"},"&dark .cm-cursor":{borderLeftColor:"#444"},".cm-dropCursor":{position:"absolute"},"&.cm-focused > .cm-scroller > .cm-cursorLayer .cm-cursor":{display:"block"},"&light .cm-activeLine":{backgroundColor:"#cceeff44"},"&dark .cm-activeLine":{backgroundColor:"#99eeff33"},"&light .cm-specialChar":{color:"red"},"&dark .cm-specialChar":{color:"#f78"},".cm-gutters":{flexShrink:0,display:"flex",height:"100%",boxSizing:"border-box",insetInlineStart:0,zIndex:200},"&light .cm-gutters":{backgroundColor:"#f5f5f5",color:"#6c6c6c",borderRight:"1px solid #ddd"},"&dark .cm-gutters":{backgroundColor:"#333338",color:"#ccc"},".cm-gutter":{display:"flex !important",flexDirection:"column",flexShrink:0,boxSizing:"border-box",minHeight:"100%",overflow:"hidden"},".cm-gutterElement":{boxSizing:"border-box"},".cm-lineNumbers .cm-gutterElement":{padding:"0 3px 0 5px",minWidth:"20px",textAlign:"right",whiteSpace:"nowrap"},"&light .cm-activeLineGutter":{backgroundColor:"#e2f2ff"},"&dark .cm-activeLineGutter":{backgroundColor:"#222227"},".cm-panels":{boxSizing:"border-box",position:"sticky",left:0,right:0},"&light .cm-panels":{backgroundColor:"#f5f5f5",color:"black"},"&light .cm-panels-top":{borderBottom:"1px solid #ddd"},"&light .cm-panels-bottom":{borderTop:"1px solid #ddd"},"&dark .cm-panels":{backgroundColor:"#333338",color:"white"},".cm-tab":{display:"inline-block",overflow:"hidden",verticalAlign:"bottom"},".cm-widgetBuffer":{verticalAlign:"text-top",height:"1em",width:0,display:"inline"},".cm-placeholder":{color:"#888",display:"inline-block",verticalAlign:"top"},".cm-highlightSpace:before":{content:"attr(data-display)",position:"absolute",pointerEvents:"none",color:"#888"},".cm-highlightTab":{backgroundImage:'url(\'data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="20"><path stroke="%23888" stroke-width="1" fill="none" d="M1 10H196L190 5M190 15L196 10M197 4L197 16"/></svg>\')',backgroundSize:"auto 100%",backgroundPosition:"right 90%",backgroundRepeat:"no-repeat"},".cm-trailingSpace":{backgroundColor:"#ff332255"},".cm-button":{verticalAlign:"middle",color:"inherit",fontSize:"70%",padding:".2em 1em",borderRadius:"1px"},"&light .cm-button":{backgroundImage:"linear-gradient(#eff1f5, #d9d9df)",border:"1px solid #888","&:active":{backgroundImage:"linear-gradient(#b4b4b4, #d0d3d6)"}},"&dark .cm-button":{backgroundImage:"linear-gradient(#393939, #111)",border:"1px solid #888","&:active":{backgroundImage:"linear-gradient(#111, #333)"}},".cm-textfield":{verticalAlign:"middle",color:"inherit",fontSize:"70%",border:"1px solid silver",padding:".2em .5em"},"&light .cm-textfield":{backgroundColor:"white"},"&dark .cm-textfield":{border:"1px solid #555",backgroundColor:"inherit"}},lightDarkIDs);class DOMChange{constructor(t,e,i,o){this.typeOver=o,this.bounds=null,this.text="";let{impreciseHead:s,impreciseAnchor:n}=t.docView;if(t.state.readOnly&&e>-1)this.newSel=null;else if(e>-1&&(this.bounds=t.docView.domBoundsAround(e,i,0))){let e=s||n?[]:selectionPoints(t),i=new DOMReader(e,t.state);i.readRange(this.bounds.startDOM,this.bounds.endDOM),this.text=i.text,this.newSel=selectionFromPoints(e,this.bounds.from)}else{let e=t.observer.selectionRange,i=s&&s.node==e.focusNode&&s.offset==e.focusOffset||!contains(t.contentDOM,e.focusNode)?t.state.selection.main.head:t.docView.posFromDOM(e.focusNode,e.focusOffset),o=n&&n.node==e.anchorNode&&n.offset==e.anchorOffset||!contains(t.contentDOM,e.anchorNode)?t.state.selection.main.anchor:t.docView.posFromDOM(e.anchorNode,e.anchorOffset);this.newSel=EditorSelection.single(o,i)}}}function applyDOMChange(t,e){let i,{newSel:o}=e,s=t.state.selection.main,n=t.inputState.lastKeyTime>Date.now()-100?t.inputState.lastKeyCode:-1;if(e.bounds){let{from:o,to:r}=e.bounds,l=s.from,a=null;(8===n||browser.android&&e.text.length<r-o)&&(l=s.to,a="end");let h=findDiff(t.state.doc.sliceString(o,r,LineBreakPlaceholder),e.text,l-o,a);h&&(browser.chrome&&13==n&&h.toB==h.from+2&&e.text.slice(h.from,h.toB)==LineBreakPlaceholder+LineBreakPlaceholder&&h.toB--,i={from:o+h.from,to:o+h.toA,insert:Text.of(e.text.slice(h.from,h.toB).split(LineBreakPlaceholder))})}else o&&(!t.hasFocus&&t.state.facet(editable)||o.main.eq(s))&&(o=null);if(!i&&!o)return!1;if(!i&&e.typeOver&&!s.empty&&o&&o.main.empty?i={from:s.from,to:s.to,insert:t.state.doc.slice(s.from,s.to)}:i&&i.from>=s.from&&i.to<=s.to&&(i.from!=s.from||i.to!=s.to)&&s.to-s.from-(i.to-i.from)<=4?i={from:s.from,to:s.to,insert:t.state.doc.slice(s.from,i.from).append(i.insert).append(t.state.doc.slice(i.to,s.to))}:(browser.mac||browser.android)&&i&&i.from==i.to&&i.from==s.head-1&&/^\. ?$/.test(i.insert.toString())&&"off"==t.contentDOM.getAttribute("autocorrect")?(o&&2==i.insert.length&&(o=EditorSelection.single(o.main.anchor-1,o.main.head-1)),i={from:s.from,to:s.to,insert:Text.of([" "])}):browser.chrome&&i&&i.from==i.to&&i.from==s.head&&"\n "==i.insert.toString()&&t.lineWrapping&&(o&&(o=EditorSelection.single(o.main.anchor-1,o.main.head-1)),i={from:s.from,to:s.to,insert:Text.of([" "])}),i){if(browser.ios&&t.inputState.flushIOSKey(t))return!0;if(browser.android&&(i.from==s.from&&i.to==s.to&&1==i.insert.length&&2==i.insert.lines&&dispatchKey(t.contentDOM,"Enter",13)||(i.from==s.from-1&&i.to==s.to&&0==i.insert.length||8==n&&i.insert.length<i.to-i.from&&i.to>s.head)&&dispatchKey(t.contentDOM,"Backspace",8)||i.from==s.from&&i.to==s.to+1&&0==i.insert.length&&dispatchKey(t.contentDOM,"Delete",46)))return!0;let e,r=i.insert.toString();t.inputState.composing>=0&&t.inputState.composing++;let l=()=>e||(e=applyDefaultInsert(t,i,o));return t.state.facet(inputHandler).some((e=>e(t,i.from,i.to,r,l)))||t.dispatch(l()),!0}if(o&&!o.main.eq(s)){let e=!1,i="select";return t.inputState.lastSelectionTime>Date.now()-50&&("select"==t.inputState.lastSelectionOrigin&&(e=!0),i=t.inputState.lastSelectionOrigin),t.dispatch({selection:o,scrollIntoView:e,userEvent:i}),!0}return!1}function applyDefaultInsert(t,e,i){let o,s=t.state,n=s.selection.main;if(e.from>=n.from&&e.to<=n.to&&e.to-e.from>=(n.to-n.from)/3&&(!i||i.main.empty&&i.main.from==e.from+e.insert.length)&&t.inputState.composing<0){let i=n.from<e.from?s.sliceDoc(n.from,e.from):"",r=n.to>e.to?s.sliceDoc(e.to,n.to):"";o=s.replaceSelection(t.state.toText(i+e.insert.sliceString(0,void 0,t.state.lineBreak)+r))}else{let r=s.changes(e),l=i&&i.main.to<=r.newLength?i.main:void 0;if(s.selection.ranges.length>1&&t.inputState.composing>=0&&e.to<=n.to&&e.to>=n.to-10){let i=t.state.sliceDoc(e.from,e.to),a=findCompositionNode(t,e.insert.length-(e.to-e.from))||t.state.doc.lineAt(n.head),h=n.to-e.to,c=n.to-n.from;o=s.changeByRange((o=>{if(o.from==n.from&&o.to==n.to)return{changes:r,range:l||o.map(r)};let d=o.to-h,u=d-i.length;if(o.to-o.from!=c||t.state.sliceDoc(u,d)!=i||a&&o.to>=a.from&&o.from<=a.to)return{range:o};let f=s.changes({from:u,to:d,insert:e.insert}),p=o.to-n.to;return{changes:f,range:l?EditorSelection.range(Math.max(0,l.anchor+p),Math.max(0,l.head+p)):o.map(f)}}))}else o={changes:r,selection:l&&s.selection.replaceRange(l)}}let r="input.type";return(t.composing||t.inputState.compositionPendingChange&&t.inputState.compositionEndedAt>Date.now()-50)&&(t.inputState.compositionPendingChange=!1,r+=".compose",t.inputState.compositionFirstChange&&(r+=".start",t.inputState.compositionFirstChange=!1)),s.update(o,{userEvent:r,scrollIntoView:!0})}function findDiff(t,e,i,o){let s=Math.min(t.length,e.length),n=0;for(;n<s&&t.charCodeAt(n)==e.charCodeAt(n);)n++;if(n==s&&t.length==e.length)return null;let r=t.length,l=e.length;for(;r>0&&l>0&&t.charCodeAt(r-1)==e.charCodeAt(l-1);)r--,l--;if("end"==o){i-=r+Math.max(0,n-Math.min(r,l))-n}if(r<n&&t.length<e.length){n-=i<=n&&i>=r?n-i:0,l=n+(l-r),r=n}else if(l<n){n-=i<=n&&i>=l?n-i:0,r=n+(r-l),l=n}return{from:n,toA:r,toB:l}}function selectionPoints(t){let e=[];if(t.root.activeElement!=t.contentDOM)return e;let{anchorNode:i,anchorOffset:o,focusNode:s,focusOffset:n}=t.observer.selectionRange;return i&&(e.push(new DOMPoint(i,o)),s==i&&n==o||e.push(new DOMPoint(s,n))),e}function selectionFromPoints(t,e){if(0==t.length)return null;let i=t[0].pos,o=2==t.length?t[1].pos:i;return i>-1&&o>-1?EditorSelection.single(i+e,o+e):null}const observeOptions={childList:!0,characterData:!0,subtree:!0,attributes:!0,characterDataOldValue:!0},useCharData=browser.ie&&browser.ie_version<=11;class DOMObserver{constructor(t){this.view=t,this.active=!1,this.selectionRange=new DOMSelectionState,this.selectionChanged=!1,this.delayedFlush=-1,this.resizeTimeout=-1,this.queue=[],this.delayedAndroidKey=null,this.flushingAndroidKey=-1,this.lastChange=0,this.scrollTargets=[],this.intersection=null,this.resizeScroll=null,this.resizeContent=null,this.intersecting=!1,this.gapIntersection=null,this.gaps=[],this.parentCheck=-1,this.dom=t.contentDOM,this.observer=new MutationObserver((e=>{for(let t of e)this.queue.push(t);(browser.ie&&browser.ie_version<=11||browser.ios&&t.composing)&&e.some((t=>"childList"==t.type&&t.removedNodes.length||"characterData"==t.type&&t.oldValue.length>t.target.nodeValue.length))?this.flushSoon():this.flush()})),useCharData&&(this.onCharData=t=>{this.queue.push({target:t.target,type:"characterData",oldValue:t.prevValue}),this.flushSoon()}),this.onSelectionChange=this.onSelectionChange.bind(this),this.onResize=this.onResize.bind(this),this.onPrint=this.onPrint.bind(this),this.onScroll=this.onScroll.bind(this),"function"==typeof ResizeObserver&&(this.resizeScroll=new ResizeObserver((()=>{var t;(null===(t=this.view.docView)||void 0===t?void 0:t.lastUpdate)<Date.now()-75&&this.onResize()})),this.resizeScroll.observe(t.scrollDOM),this.resizeContent=new ResizeObserver((()=>this.view.requestMeasure())),this.resizeContent.observe(t.contentDOM)),this.addWindowListeners(this.win=t.win),this.start(),"function"==typeof IntersectionObserver&&(this.intersection=new IntersectionObserver((t=>{this.parentCheck<0&&(this.parentCheck=setTimeout(this.listenForScroll.bind(this),1e3)),t.length>0&&t[t.length-1].intersectionRatio>0!=this.intersecting&&(this.intersecting=!this.intersecting,this.intersecting!=this.view.inView&&this.onScrollChanged(document.createEvent("Event")))}),{threshold:[0,.001]}),this.intersection.observe(this.dom),this.gapIntersection=new IntersectionObserver((t=>{t.length>0&&t[t.length-1].intersectionRatio>0&&this.onScrollChanged(document.createEvent("Event"))}),{})),this.listenForScroll(),this.readSelectionRange()}onScrollChanged(t){this.view.inputState.runScrollHandlers(this.view,t),this.intersecting&&this.view.measure()}onScroll(t){this.intersecting&&this.flush(!1),this.onScrollChanged(t)}onResize(){this.resizeTimeout<0&&(this.resizeTimeout=setTimeout((()=>{this.resizeTimeout=-1,this.view.requestMeasure()}),50))}onPrint(){this.view.viewState.printing=!0,this.view.measure(),setTimeout((()=>{this.view.viewState.printing=!1,this.view.requestMeasure()}),500)}updateGaps(t){if(this.gapIntersection&&(t.length!=this.gaps.length||this.gaps.some(((e,i)=>e!=t[i])))){this.gapIntersection.disconnect();for(let e of t)this.gapIntersection.observe(e);this.gaps=t}}onSelectionChange(t){let e=this.selectionChanged;if(!this.readSelectionRange()||this.delayedAndroidKey)return;let{view:i}=this,o=this.selectionRange;if(i.state.facet(editable)?i.root.activeElement!=this.dom:!hasSelection(i.dom,o))return;let s=o.anchorNode&&i.docView.nearest(o.anchorNode);s&&s.ignoreEvent(t)?e||(this.selectionChanged=!1):(browser.ie&&browser.ie_version<=11||browser.android&&browser.chrome)&&!i.state.selection.main.empty&&o.focusNode&&isEquivalentPosition(o.focusNode,o.focusOffset,o.anchorNode,o.anchorOffset)?this.flushSoon():this.flush(!1)}readSelectionRange(){let{view:t}=this,e=browser.safari&&11==t.root.nodeType&&deepActiveElement(this.dom.ownerDocument)==this.dom&&safariSelectionRangeHack(this.view)||getSelection(t.root);if(!e||this.selectionRange.eq(e))return!1;let i=hasSelection(this.dom,e);return i&&!this.selectionChanged&&t.inputState.lastFocusTime>Date.now()-200&&t.inputState.lastTouchTime<Date.now()-300&&atElementStart(this.dom,e)?(this.view.inputState.lastFocusTime=0,t.docView.updateSelection(),!1):(this.selectionRange.setRange(e),i&&(this.selectionChanged=!0),!0)}setSelectionRange(t,e){this.selectionRange.set(t.node,t.offset,e.node,e.offset),this.selectionChanged=!1}clearSelectionRange(){this.selectionRange.set(null,0,null,0)}listenForScroll(){this.parentCheck=-1;let t=0,e=null;for(let i=this.dom;i;)if(1==i.nodeType)!e&&t<this.scrollTargets.length&&this.scrollTargets[t]==i?t++:e||(e=this.scrollTargets.slice(0,t)),e&&e.push(i),i=i.assignedSlot||i.parentNode;else{if(11!=i.nodeType)break;i=i.host}if(t<this.scrollTargets.length&&!e&&(e=this.scrollTargets.slice(0,t)),e){for(let t of this.scrollTargets)t.removeEventListener("scroll",this.onScroll);for(let t of this.scrollTargets=e)t.addEventListener("scroll",this.onScroll)}}ignore(t){if(!this.active)return t();try{return this.stop(),t()}finally{this.start(),this.clear()}}start(){this.active||(this.observer.observe(this.dom,observeOptions),useCharData&&this.dom.addEventListener("DOMCharacterDataModified",this.onCharData),this.active=!0)}stop(){this.active&&(this.active=!1,this.observer.disconnect(),useCharData&&this.dom.removeEventListener("DOMCharacterDataModified",this.onCharData))}clear(){this.processRecords(),this.queue.length=0,this.selectionChanged=!1}delayAndroidKey(t,e){var i;if(!this.delayedAndroidKey){let t=()=>{let t=this.delayedAndroidKey;if(t){this.clearDelayedAndroidKey(),this.view.inputState.lastKeyCode=t.keyCode,this.view.inputState.lastKeyTime=Date.now(),!this.flush()&&t.force&&dispatchKey(this.dom,t.key,t.keyCode)}};this.flushingAndroidKey=this.view.win.requestAnimationFrame(t)}this.delayedAndroidKey&&"Enter"!=t||(this.delayedAndroidKey={key:t,keyCode:e,force:this.lastChange<Date.now()-50||!!(null===(i=this.delayedAndroidKey)||void 0===i?void 0:i.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 t of this.observer.takeRecords())this.queue.push(t);return this.queue}processRecords(){let t=this.pendingRecords();t.length&&(this.queue=[]);let e=-1,i=-1,o=!1;for(let s of t){let t=this.readMutation(s);t&&(t.typeOver&&(o=!0),-1==e?({from:e,to:i}=t):(e=Math.min(t.from,e),i=Math.max(t.to,i)))}return{from:e,to:i,typeOver:o}}readChange(){let{from:t,to:e,typeOver:i}=this.processRecords(),o=this.selectionChanged&&hasSelection(this.dom,this.selectionRange);return t<0&&!o?null:(t>-1&&(this.lastChange=Date.now()),this.view.inputState.lastFocusTime=0,this.selectionChanged=!1,new DOMChange(this.view,t,e,i))}flush(t=!0){if(this.delayedFlush>=0||this.delayedAndroidKey)return!1;t&&this.readSelectionRange();let e=this.readChange();if(!e)return!1;let i=this.view.state,o=applyDOMChange(this.view,e);return this.view.state==i&&this.view.update([]),o}readMutation(t){let e=this.view.docView.nearest(t.target);if(!e||e.ignoreMutation(t))return null;if(e.markDirty("attributes"==t.type),"attributes"==t.type&&(e.flags|=4),"childList"==t.type){let i=findChild(e,t.previousSibling||t.target.previousSibling,-1),o=findChild(e,t.nextSibling||t.target.nextSibling,1);return{from:i?e.posAfter(i):e.posAtStart,to:o?e.posBefore(o):e.posAtEnd,typeOver:!1}}return"characterData"==t.type?{from:e.posAtStart,to:e.posAtEnd,typeOver:t.target.nodeValue==t.oldValue}:null}setWindow(t){t!=this.win&&(this.removeWindowListeners(this.win),this.win=t,this.addWindowListeners(this.win))}addWindowListeners(t){t.addEventListener("resize",this.onResize),t.addEventListener("beforeprint",this.onPrint),t.addEventListener("scroll",this.onScroll),t.document.addEventListener("selectionchange",this.onSelectionChange)}removeWindowListeners(t){t.removeEventListener("scroll",this.onScroll),t.removeEventListener("resize",this.onResize),t.removeEventListener("beforeprint",this.onPrint),t.document.removeEventListener("selectionchange",this.onSelectionChange)}destroy(){var t,e,i,o;this.stop(),null===(t=this.intersection)||void 0===t||t.disconnect(),null===(e=this.gapIntersection)||void 0===e||e.disconnect(),null===(i=this.resizeScroll)||void 0===i||i.disconnect(),null===(o=this.resizeContent)||void 0===o||o.disconnect();for(let t of this.scrollTargets)t.removeEventListener("scroll",this.onScroll);this.removeWindowListeners(this.win),clearTimeout(this.parentCheck),clearTimeout(this.resizeTimeout),this.win.cancelAnimationFrame(this.delayedFlush),this.win.cancelAnimationFrame(this.flushingAndroidKey)}}function findChild(t,e,i){for(;e;){let o=ContentView.get(e);if(o&&o.parent==t)return o;let s=e.parentNode;e=s!=t.dom?s:i>0?e.nextSibling:e.previousSibling}return null}function safariSelectionRangeHack(t){let e=null;function i(t){t.preventDefault(),t.stopImmediatePropagation(),e=t.getTargetRanges()[0]}if(t.contentDOM.addEventListener("beforeinput",i,!0),t.dom.ownerDocument.execCommand("indent"),t.contentDOM.removeEventListener("beforeinput",i,!0),!e)return null;let o=e.startContainer,s=e.startOffset,n=e.endContainer,r=e.endOffset,l=t.docView.domAtPos(t.state.selection.main.anchor);return isEquivalentPosition(l.node,l.offset,n,r)&&([o,s,n,r]=[n,r,o,s]),{anchorNode:o,anchorOffset:s,focusNode:n,focusOffset:r}}class EditorView{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.composing>0}get compositionStarted(){return this.inputState.composing>=0}get root(){return this._root}get win(){return this.dom.ownerDocument.defaultView||window}constructor(t={}){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.style.cssText="position: fixed; top: -10000px",this.announceDOM.setAttribute("aria-live","polite"),this.dom=document.createElement("div"),this.dom.appendChild(this.announceDOM),this.dom.appendChild(this.scrollDOM);let{dispatch:e}=t;this.dispatchTransactions=t.dispatchTransactions||e&&(t=>t.forEach((t=>e(t,this))))||(t=>this.update(t)),this.dispatch=this.dispatch.bind(this),this._root=t.root||getRoot(t.parent)||document,this.viewState=new ViewState(t.state||EditorState.create(t)),this.plugins=this.state.facet(viewPlugin).map((t=>new PluginInstance(t)));for(let t of this.plugins)t.update(this);this.observer=new DOMObserver(this),this.inputState=new InputState(this),this.inputState.ensureHandlers(this,this.plugins),this.docView=new DocView(this),this.mountStyles(),this.updateAttrs(),this.updateState=0,this.requestMeasure(),t.parent&&t.parent.appendChild(this.dom)}dispatch(...t){let e=1==t.length&&t[0]instanceof Transaction?t:1==t.length&&Array.isArray(t[0])?t[0]:[this.state.update(...t)];this.dispatchTransactions(e,this)}update(t){if(0!=this.updateState)throw new Error("Calls to EditorView.update are not allowed while an update is in progress");let e,i=!1,o=!1,s=this.state;for(let e of t){if(e.startState!=s)throw new RangeError("Trying to update state with a transaction that doesn't start from the previous state.");s=e.state}if(this.destroyed)return void(this.viewState.state=s);let n=this.hasFocus,r=0,l=null;t.some((t=>t.annotation(isFocusChange)))?(this.inputState.notifiedFocused=n,r=1):n!=this.inputState.notifiedFocused&&(this.inputState.notifiedFocused=n,l=focusChangeTransaction(s,n),l||(r=1));let a=this.observer.delayedAndroidKey,h=null;if(a?(this.observer.clearDelayedAndroidKey(),h=this.observer.readChange(),(h&&!this.state.doc.eq(s.doc)||!this.state.selection.eq(s.selection))&&(h=null)):this.observer.clear(),s.facet(EditorState.phrases)!=this.state.facet(EditorState.phrases))return this.setState(s);e=ViewUpdate.create(this,s,t),e.flags|=r;let c=this.viewState.scrollTarget;try{this.updateState=2;for(let e of t){if(c&&(c=c.map(e.changes)),e.scrollIntoView){let{main:t}=e.state.selection;c=new ScrollTarget(t.empty?t:EditorSelection.cursor(t.head,t.head>t.anchor?-1:1))}for(let t of e.effects)t.is(scrollIntoView)&&(c=t.value)}this.viewState.update(e,c),this.bidiCache=CachedOrder.update(this.bidiCache,e.changes),e.empty||(this.updatePlugins(e),this.inputState.update(e)),i=this.docView.update(e),this.state.facet(styleModule)!=this.styleModules&&this.mountStyles(),o=this.updateAttrs(),this.showAnnouncements(t),this.docView.updateSelection(i,t.some((t=>t.isUserEvent("select.pointer"))))}finally{this.updateState=0}if(e.startState.facet(theme)!=e.state.facet(theme)&&(this.viewState.mustMeasureContent=!0),(i||o||c||this.viewState.mustEnforceCursorAssoc||this.viewState.mustMeasureContent)&&this.requestMeasure(),!e.empty)for(let t of this.state.facet(updateListener))t(e);(l||h)&&Promise.resolve().then((()=>{l&&this.state==l.startState&&this.dispatch(l),h&&!applyDOMChange(this,h)&&a.force&&dispatchKey(this.contentDOM,a.key,a.keyCode)}))}setState(t){if(0!=this.updateState)throw new Error("Calls to EditorView.setState are not allowed while an update is in progress");if(this.destroyed)return void(this.viewState.state=t);this.updateState=2;let e=this.hasFocus;try{for(let t of this.plugins)t.destroy(this);this.viewState=new ViewState(t),this.plugins=t.facet(viewPlugin).map((t=>new PluginInstance(t))),this.pluginMap.clear();for(let t of this.plugins)t.update(this);this.docView=new DocView(this),this.inputState.ensureHandlers(this,this.plugins),this.mountStyles(),this.updateAttrs(),this.bidiCache=[]}finally{this.updateState=0}e&&this.focus(),this.requestMeasure()}updatePlugins(t){let e=t.startState.facet(viewPlugin),i=t.state.facet(viewPlugin);if(e!=i){let o=[];for(let s of i){let i=e.indexOf(s);if(i<0)o.push(new PluginInstance(s));else{let e=this.plugins[i];e.mustUpdate=t,o.push(e)}}for(let e of this.plugins)e.mustUpdate!=t&&e.destroy(this);this.plugins=o,this.pluginMap.clear(),this.inputState.ensureHandlers(this,this.plugins)}else for(let e of this.plugins)e.mustUpdate=t;for(let t=0;t<this.plugins.length;t++)this.plugins[t].update(this)}measure(t=!0){if(this.destroyed)return;if(this.measureScheduled>-1&&this.win.cancelAnimationFrame(this.measureScheduled),this.observer.delayedAndroidKey)return this.measureScheduled=-1,void this.requestMeasure();this.measureScheduled=0,t&&this.observer.forceFlush();let e=null,i=this.scrollDOM,{scrollTop:o}=i,{scrollAnchorPos:s,scrollAnchorHeight:n}=this.viewState;o!=this.viewState.scrollTop&&(n=-1),this.viewState.scrollAnchorHeight=-1;try{for(let t=0;;t++){if(n<0)if(isScrolledToBottom(i))s=-1,n=this.viewState.heightMap.height;else{let t=this.viewState.scrollAnchorAt(o);s=t.from,n=t.top}this.updateState=1;let r=this.viewState.measure(this);if(!r&&!this.measureRequests.length&&null==this.viewState.scrollTarget)break;if(t>5){console.warn(this.measureRequests.length?"Measure loop restarted more than 5 times":"Viewport failed to stabilize");break}let l=[];4&r||([this.measureRequests,l]=[l,this.measureRequests]);let a=l.map((t=>{try{return t.read(this)}catch(t){return logException(this.state,t),BadMeasure}})),h=ViewUpdate.create(this,this.state,[]),c=!1;h.flags|=r,e?e.flags|=r:e=h,this.updateState=2,h.empty||(this.updatePlugins(h),this.inputState.update(h),this.updateAttrs(),c=this.docView.update(h));for(let t=0;t<l.length;t++)if(a[t]!=BadMeasure)try{let e=l[t];e.write&&e.write(a[t],this)}catch(t){logException(this.state,t)}if(c&&this.docView.updateSelection(!0),!h.viewportChanged&&0==this.measureRequests.length){if(this.viewState.editorHeight){if(this.viewState.scrollTarget){this.docView.scrollIntoView(this.viewState.scrollTarget),this.viewState.scrollTarget=null;continue}{let t=(s<0?this.viewState.heightMap.height:this.viewState.lineBlockAt(s).top)-n;if(t>1||t<-1){o=i.scrollTop=o+t,n=-1;continue}}}break}}}finally{this.updateState=0,this.measureScheduled=-1}if(e&&!e.empty)for(let t of this.state.facet(updateListener))t(e)}get themeClasses(){return baseThemeID+" "+(this.state.facet(darkTheme)?baseDarkID:baseLightID)+" "+this.state.facet(theme)}updateAttrs(){let t=attrsFromFacet(this,editorAttributes,{class:"cm-editor"+(this.hasFocus?" cm-focused ":" ")+this.themeClasses}),e={spellcheck:"false",autocorrect:"off",autocapitalize:"off",translate:"no",contenteditable:this.state.facet(editable)?"true":"false",class:"cm-content",style:`${browser.tabSize}: ${this.state.tabSize}`,role:"textbox","aria-multiline":"true"};this.state.readOnly&&(e["aria-readonly"]="true"),attrsFromFacet(this,contentAttributes,e);let i=this.observer.ignore((()=>{let i=updateAttrs(this.contentDOM,this.contentAttrs,e),o=updateAttrs(this.dom,this.editorAttrs,t);return i||o}));return this.editorAttrs=t,this.contentAttrs=e,i}showAnnouncements(t){let e=!0;for(let i of t)for(let t of i.effects)if(t.is(EditorView.announce)){e&&(this.announceDOM.textContent=""),e=!1,this.announceDOM.appendChild(document.createElement("div")).textContent=t.value}}mountStyles(){this.styleModules=this.state.facet(styleModule);let t=this.state.facet(EditorView.cspNonce);StyleModule.mount(this.root,this.styleModules.concat(baseTheme$1).reverse(),t?{nonce:t}:void 0)}readMeasured(){if(2==this.updateState)throw new Error("Reading the editor layout isn't allowed during an update");0==this.updateState&&this.measureScheduled>-1&&this.measure(!1)}requestMeasure(t){if(this.measureScheduled<0&&(this.measureScheduled=this.win.requestAnimationFrame((()=>this.measure()))),t){if(this.measureRequests.indexOf(t)>-1)return;if(null!=t.key)for(let e=0;e<this.measureRequests.length;e++)if(this.measureRequests[e].key===t.key)return void(this.measureRequests[e]=t);this.measureRequests.push(t)}}plugin(t){let e=this.pluginMap.get(t);return(void 0===e||e&&e.spec!=t)&&this.pluginMap.set(t,e=this.plugins.find((e=>e.spec==t))||null),e&&e.update(this).value}get documentTop(){return this.contentDOM.getBoundingClientRect().top+this.viewState.paddingTop}get documentPadding(){return{top:this.viewState.paddingTop,bottom:this.viewState.paddingBottom}}elementAtHeight(t){return this.readMeasured(),this.viewState.elementAtHeight(t)}lineBlockAtHeight(t){return this.readMeasured(),this.viewState.lineBlockAtHeight(t)}get viewportLineBlocks(){return this.viewState.viewportLines}lineBlockAt(t){return this.viewState.lineBlockAt(t)}get contentHeight(){return this.viewState.contentHeight}moveByChar(t,e,i){return skipAtoms(this,t,moveByChar(this,t,e,i))}moveByGroup(t,e){return skipAtoms(this,t,moveByChar(this,t,e,(e=>byGroup(this,t.head,e))))}moveToLineBoundary(t,e,i=!0){return moveToLineBoundary(this,t,e,i)}moveVertically(t,e,i){return skipAtoms(this,t,moveVertically(this,t,e,i))}domAtPos(t){return this.docView.domAtPos(t)}posAtDOM(t,e=0){return this.docView.posFromDOM(t,e)}posAtCoords(t,e=!0){return this.readMeasured(),posAtCoords(this,t,e)}coordsAtPos(t,e=1){this.readMeasured();let i=this.docView.coordsAt(t,e);if(!i||i.left==i.right)return i;let o=this.state.doc.lineAt(t),s=this.bidiSpans(o);return flattenRect(i,s[BidiSpan.find(s,t-o.from,-1,e)].dir==Direction.LTR==e>0)}coordsForChar(t){return this.readMeasured(),this.docView.coordsForChar(t)}get defaultCharacterWidth(){return this.viewState.heightOracle.charWidth}get defaultLineHeight(){return this.viewState.heightOracle.lineHeight}get textDirection(){return this.viewState.defaultTextDirection}textDirectionAt(t){return!this.state.facet(perLineTextDirection)||t<this.viewport.from||t>this.viewport.to?this.textDirection:(this.readMeasured(),this.docView.textDirectionAt(t))}get lineWrapping(){return this.viewState.heightOracle.lineWrapping}bidiSpans(t){if(t.length>MaxBidiLine)return trivialOrder(t.length);let e,i=this.textDirectionAt(t.from);for(let o of this.bidiCache)if(o.from==t.from&&o.dir==i&&(o.fresh||isolatesEq(o.isolates,e=getIsolatedRanges(this,t.from,t.to))))return o.order;e||(e=getIsolatedRanges(this,t.from,t.to));let o=computeOrder(t.text,i,e);return this.bidiCache.push(new CachedOrder(t.from,t.to,i,e,!0,o)),o}get hasFocus(){var t;return(this.dom.ownerDocument.hasFocus()||browser.safari&&(null===(t=this.inputState)||void 0===t?void 0:t.lastContextMenu)>Date.now()-3e4)&&this.root.activeElement==this.contentDOM}focus(){this.observer.ignore((()=>{focusPreventScroll(this.contentDOM),this.docView.updateSelection()}))}setRoot(t){this._root!=t&&(this._root=t,this.observer.setWindow((9==t.nodeType?t:t.ownerDocument).defaultView||window),this.mountStyles())}destroy(){for(let t of this.plugins)t.destroy(this);this.plugins=[],this.inputState.destroy(),this.dom.remove(),this.observer.destroy(),this.measureScheduled>-1&&this.win.cancelAnimationFrame(this.measureScheduled),this.destroyed=!0}static scrollIntoView(t,e={}){return scrollIntoView.of(new ScrollTarget("number"==typeof t?EditorSelection.cursor(t):t,e.y,e.x,e.yMargin,e.xMargin))}static domEventHandlers(t){return ViewPlugin.define((()=>({})),{eventHandlers:t})}static theme(t,e){let i=StyleModule.newName(),o=[theme.of(i),styleModule.of(buildTheme(`.${i}`,t))];return e&&e.dark&&o.push(darkTheme.of(!0)),o}static baseTheme(t){return Prec.lowest(styleModule.of(buildTheme("."+baseThemeID,t,lightDarkIDs)))}static findFromDOM(t){var e;let i=t.querySelector(".cm-content"),o=i&&ContentView.get(i)||ContentView.get(t);return(null===(e=null==o?void 0:o.rootView)||void 0===e?void 0:e.view)||null}}EditorView.styleModule=styleModule,EditorView.inputHandler=inputHandler,EditorView.focusChangeEffect=focusChangeEffect,EditorView.perLineTextDirection=perLineTextDirection,EditorView.exceptionSink=exceptionSink,EditorView.updateListener=updateListener,EditorView.editable=editable,EditorView.mouseSelectionStyle=mouseSelectionStyle,EditorView.dragMovesSelection=dragMovesSelection$1,EditorView.clickAddsSelectionRange=clickAddsSelectionRange,EditorView.decorations=decorations,EditorView.atomicRanges=atomicRanges,EditorView.bidiIsolatedRanges=bidiIsolatedRanges,EditorView.scrollMargins=scrollMargins,EditorView.darkTheme=darkTheme,EditorView.cspNonce=Facet.define({combine:t=>t.length?t[0]:""}),EditorView.contentAttributes=contentAttributes,EditorView.editorAttributes=editorAttributes,EditorView.lineWrapping=EditorView.contentAttributes.of({class:"cm-lineWrapping"}),EditorView.announce=StateEffect.define();const MaxBidiLine=4096,BadMeasure={};class CachedOrder{constructor(t,e,i,o,s,n){this.from=t,this.to=e,this.dir=i,this.isolates=o,this.fresh=s,this.order=n}static update(t,e){if(e.empty&&!t.some((t=>t.fresh)))return t;let i=[],o=t.length?t[t.length-1].dir:Direction.LTR;for(let s=Math.max(0,t.length-10);s<t.length;s++){let n=t[s];n.dir!=o||e.touchesRange(n.from,n.to)||i.push(new CachedOrder(e.mapPos(n.from,1),e.mapPos(n.to,-1),n.dir,n.isolates,!1,n.order))}return i}}function attrsFromFacet(t,e,i){for(let o=t.state.facet(e),s=o.length-1;s>=0;s--){let e=o[s],n="function"==typeof e?e(t):e;n&&combineAttrs(n,i)}return i}const currentPlatform=browser.mac?"mac":browser.windows?"win":browser.linux?"linux":"key";function normalizeKeyName(t,e){const i=t.split(/-(?!$)/);let o,s,n,r,l=i[i.length-1];"Space"==l&&(l=" ");for(let t=0;t<i.length-1;++t){const l=i[t];if(/^(cmd|meta|m)$/i.test(l))r=!0;else if(/^a(lt)?$/i.test(l))o=!0;else if(/^(c|ctrl|control)$/i.test(l))s=!0;else if(/^s(hift)?$/i.test(l))n=!0;else{if(!/^mod$/i.test(l))throw new Error("Unrecognized modifier name: "+l);"mac"==e?r=!0:s=!0}}return o&&(l="Alt-"+l),s&&(l="Ctrl-"+l),r&&(l="Meta-"+l),n&&(l="Shift-"+l),l}function modifiers(t,e,i){return e.altKey&&(t="Alt-"+t),e.ctrlKey&&(t="Ctrl-"+t),e.metaKey&&(t="Meta-"+t),!1!==i&&e.shiftKey&&(t="Shift-"+t),t}const handleKeyEvents=Prec.default(EditorView.domEventHandlers({keydown:(t,e)=>runHandlers(getKeymap(e.state),t,e,"editor")})),keymap=Facet.define({enables:handleKeyEvents}),Keymaps=new WeakMap;function getKeymap(t){let e=t.facet(keymap),i=Keymaps.get(e);return i||Keymaps.set(e,i=buildKeymap(e.reduce(((t,e)=>t.concat(e)),[]))),i}function runScopeHandlers(t,e,i){return runHandlers(getKeymap(t.state),e,t,i)}let storedPrefix=null;const PrefixTimeout=4e3;function buildKeymap(t,e=currentPlatform){let i=Object.create(null),o=Object.create(null),s=(t,e)=>{let i=o[t];if(null==i)o[t]=e;else if(i!=e)throw new Error("Key binding "+t+" is used both as a regular binding and as a multi-stroke prefix")},n=(t,o,n,r,l)=>{var a,h;let c=i[t]||(i[t]=Object.create(null)),d=o.split(/ (?!$)/).map((t=>normalizeKeyName(t,e)));for(let e=1;e<d.length;e++){let i=d.slice(0,e).join(" ");s(i,!0),c[i]||(c[i]={preventDefault:!0,stopPropagation:!1,run:[e=>{let o=storedPrefix={view:e,prefix:i,scope:t};return setTimeout((()=>{storedPrefix==o&&(storedPrefix=null)}),PrefixTimeout),!0}]})}let u=d.join(" ");s(u,!1);let f=c[u]||(c[u]={preventDefault:!1,stopPropagation:!1,run:(null===(h=null===(a=c._any)||void 0===a?void 0:a.run)||void 0===h?void 0:h.slice())||[]});n&&f.run.push(n),r&&(f.preventDefault=!0),l&&(f.stopPropagation=!0)};for(let o of t){let t=o.scope?o.scope.split(" "):["editor"];if(o.any)for(let e of t){let t=i[e]||(i[e]=Object.create(null));t._any||(t._any={preventDefault:!1,stopPropagation:!1,run:[]});for(let e in t)t[e].run.push(o.any)}let s=o[e]||o.key;if(s)for(let e of t)n(e,s,o.run,o.preventDefault,o.stopPropagation),o.shift&&n(e,"Shift-"+s,o.shift,o.preventDefault,o.stopPropagation)}return i}function runHandlers(t,e,i,o){let s=keyName(e),n=codePointAt(s,0),r=codePointSize(n)==s.length&&" "!=s,l="",a=!1,h=!1,c=!1;storedPrefix&&storedPrefix.view==i&&storedPrefix.scope==o&&(l=storedPrefix.prefix+" ",modifierCodes.indexOf(e.keyCode)<0&&(h=!0,storedPrefix=null));let d,u,f=new Set,p=t=>{if(t){for(let o of t.run)if(!f.has(o)&&(f.add(o),o(i,e)))return t.stopPropagation&&(c=!0),!0;t.preventDefault&&(t.stopPropagation&&(c=!0),h=!0)}return!1},g=t[o];return g&&(p(g[l+modifiers(s,e,!r)])?a=!0:r&&(e.altKey||e.metaKey||e.ctrlKey)&&!(browser.windows&&e.ctrlKey&&e.altKey)&&(d=base[e.keyCode])&&d!=s?(p(g[l+modifiers(d,e,!0)])||e.shiftKey&&(u=shift[e.keyCode])!=s&&u!=d&&p(g[l+modifiers(u,e,!1)]))&&(a=!0):r&&e.shiftKey&&p(g[l+modifiers(s,e,!0)])&&(a=!0),!a&&p(g._any)&&(a=!0)),h&&(a=!0),a&&c&&e.stopPropagation(),a}class RectangleMarker{constructor(t,e,i,o,s){this.className=t,this.left=e,this.top=i,this.width=o,this.height=s}draw(){let t=document.createElement("div");return t.className=this.className,this.adjust(t),t}update(t,e){return e.className==this.className&&(this.adjust(t),!0)}adjust(t){t.style.left=this.left+"px",t.style.top=this.top+"px",null!=this.width&&(t.style.width=this.width+"px"),t.style.height=this.height+"px"}eq(t){return this.left==t.left&&this.top==t.top&&this.width==t.width&&this.height==t.height&&this.className==t.className}static forRange(t,e,i){if(i.empty){let o=t.coordsAtPos(i.head,i.assoc||1);if(!o)return[];let s=getBase(t);return[new RectangleMarker(e,o.left-s.left,o.top-s.top,null,o.bottom-o.top)]}return rectanglesForRange(t,e,i)}}function getBase(t){let e=t.scrollDOM.getBoundingClientRect();return{left:(t.textDirection==Direction.LTR?e.left:e.right-t.scrollDOM.clientWidth)-t.scrollDOM.scrollLeft,top:e.top-t.scrollDOM.scrollTop}}function wrappedLine(t,e,i){let o=EditorSelection.cursor(e);return{from:Math.max(i.from,t.moveToLineBoundary(o,!1,!0).from),to:Math.min(i.to,t.moveToLineBoundary(o,!0,!0).from),type:BlockType.Text}}function rectanglesForRange(t,e,i){if(i.to<=t.viewport.from||i.from>=t.viewport.to)return[];let o=Math.max(i.from,t.viewport.from),s=Math.min(i.to,t.viewport.to),n=t.textDirection==Direction.LTR,r=t.contentDOM,l=r.getBoundingClientRect(),a=getBase(t),h=r.querySelector(".cm-line"),c=h&&window.getComputedStyle(h),d=l.left+(c?parseInt(c.paddingLeft)+Math.min(0,parseInt(c.textIndent)):0),u=l.right-(c?parseInt(c.paddingRight):0),f=blockAt(t,o),p=blockAt(t,s),g=f.type==BlockType.Text?f:null,m=p.type==BlockType.Text?p:null;if(g&&(t.lineWrapping||f.widgetLineBreaks)&&(g=wrappedLine(t,o,g)),m&&(t.lineWrapping||p.widgetLineBreaks)&&(m=wrappedLine(t,s,m)),g&&m&&g.from==m.from)return v(b(i.from,i.to,g));{let e=g?b(i.from,null,g):y(f,!1),o=m?b(null,i.to,m):y(p,!0),s=[];return(g||f).to<(m||p).from-(g&&m?1:0)||f.widgetLineBreaks>1&&e.bottom+t.defaultLineHeight/2<o.top?s.push(w(d,e.bottom,u,o.top)):e.bottom<o.top&&t.elementAtHeight((e.bottom+o.top)/2).type==BlockType.Text&&(e.bottom=o.top=(e.bottom+o.top)/2),v(e).concat(s).concat(v(o))}function w(t,i,o,s){return new RectangleMarker(e,t-a.left,i-a.top-.01,o-t,s-i+.01)}function v({top:t,bottom:e,horizontal:i}){let o=[];for(let s=0;s<i.length;s+=2)o.push(w(i[s],t,i[s+1],e));return o}function b(e,i,o){let s=1e9,r=-1e9,l=[];function a(e,i,a,h,c){let f=t.coordsAtPos(e,e==o.to?-2:2),p=t.coordsAtPos(a,a==o.from?2:-2);f&&p&&(s=Math.min(f.top,p.top,s),r=Math.max(f.bottom,p.bottom,r),c==Direction.LTR?l.push(n&&i?d:f.left,n&&h?u:p.right):l.push(!n&&h?d:p.left,!n&&i?u:f.right))}let h=null!=e?e:o.from,c=null!=i?i:o.to;for(let o of t.visibleRanges)if(o.to>h&&o.from<c)for(let s=Math.max(o.from,h),n=Math.min(o.to,c);;){let o=t.state.doc.lineAt(s);for(let r of t.bidiSpans(o)){let t=r.from+o.from,l=r.to+o.from;if(t>=n)break;l>s&&a(Math.max(t,s),null==e&&t<=h,Math.min(l,n),null==i&&l>=c,r.dir)}if(s=o.to+1,s>=n)break}return 0==l.length&&a(h,null==e,c,null==i,t.textDirection),{top:s,bottom:r,horizontal:l}}function y(t,e){let i=l.top+(e?t.top:t.bottom);return{top:i,bottom:i,horizontal:[]}}}function sameMarker(t,e){return t.constructor==e.constructor&&t.eq(e)}class LayerView{constructor(t,e){this.view=t,this.layer=e,this.drawn=[],this.measureReq={read:this.measure.bind(this),write:this.draw.bind(this)},this.dom=t.scrollDOM.appendChild(document.createElement("div")),this.dom.classList.add("cm-layer"),e.above&&this.dom.classList.add("cm-layer-above"),e.class&&this.dom.classList.add(e.class),this.dom.setAttribute("aria-hidden","true"),this.setOrder(t.state),t.requestMeasure(this.measureReq),e.mount&&e.mount(this.dom,t)}update(t){t.startState.facet(layerOrder)!=t.state.facet(layerOrder)&&this.setOrder(t.state),(this.layer.update(t,this.dom)||t.geometryChanged)&&t.view.requestMeasure(this.measureReq)}setOrder(t){let e=0,i=t.facet(layerOrder);for(;e<i.length&&i[e]!=this.layer;)e++;this.dom.style.zIndex=String((this.layer.above?150:-1)-e)}measure(){return this.layer.markers(this.view)}draw(t){if(t.length!=this.drawn.length||t.some(((t,e)=>!sameMarker(t,this.drawn[e])))){let e=this.dom.firstChild,i=0;for(let o of t)o.update&&e&&o.constructor&&this.drawn[i].constructor&&o.update(e,this.drawn[i])?(e=e.nextSibling,i++):this.dom.insertBefore(o.draw(),e);for(;e;){let t=e.nextSibling;e.remove(),e=t}this.drawn=t}}destroy(){this.layer.destroy&&this.layer.destroy(this.dom,this.view),this.dom.remove()}}const layerOrder=Facet.define();function layer(t){return[ViewPlugin.define((e=>new LayerView(e,t))),layerOrder.of(t)]}const CanHidePrimary=!browser.ios,selectionConfig=Facet.define({combine:t=>combineConfig(t,{cursorBlinkRate:1200,drawRangeCursor:!0},{cursorBlinkRate:(t,e)=>Math.min(t,e),drawRangeCursor:(t,e)=>t||e})});function drawSelection(t={}){return[selectionConfig.of(t),cursorLayer,selectionLayer,hideNativeSelection,nativeSelectionHidden.of(!0)]}function configChanged(t){return t.startState.facet(selectionConfig)!=t.state.facet(selectionConfig)}const cursorLayer=layer({above:!0,markers(t){let{state:e}=t,i=e.facet(selectionConfig),o=[];for(let s of e.selection.ranges){let n=s==e.selection.main;if(s.empty?!n||CanHidePrimary:i.drawRangeCursor){let e=n?"cm-cursor cm-cursor-primary":"cm-cursor cm-cursor-secondary",i=s.empty?s:EditorSelection.cursor(s.head,s.head>s.anchor?-1:1);for(let s of RectangleMarker.forRange(t,e,i))o.push(s)}}return o},update(t,e){t.transactions.some((t=>t.selection))&&(e.style.animationName="cm-blink"==e.style.animationName?"cm-blink2":"cm-blink");let i=configChanged(t);return i&&setBlinkRate(t.state,e),t.docChanged||t.selectionSet||i},mount(t,e){setBlinkRate(e.state,t)},class:"cm-cursorLayer"});function setBlinkRate(t,e){e.style.animationDuration=t.facet(selectionConfig).cursorBlinkRate+"ms"}const selectionLayer=layer({above:!1,markers:t=>t.state.selection.ranges.map((e=>e.empty?[]:RectangleMarker.forRange(t,"cm-selectionBackground",e))).reduce(((t,e)=>t.concat(e))),update:(t,e)=>t.docChanged||t.selectionSet||t.viewportChanged||configChanged(t),class:"cm-selectionLayer"}),themeSpec={".cm-line":{"& ::selection":{backgroundColor:"transparent !important"},"&::selection":{backgroundColor:"transparent !important"}}};CanHidePrimary&&(themeSpec[".cm-line"].caretColor="transparent !important");const hideNativeSelection=Prec.highest(EditorView.theme(themeSpec)),setDropCursorPos=StateEffect.define({map:(t,e)=>null==t?null:e.mapPos(t)}),dropCursorPos=StateField.define({create:()=>null,update:(t,e)=>(null!=t&&(t=e.changes.mapPos(t)),e.effects.reduce(((t,e)=>e.is(setDropCursorPos)?e.value:t),t))}),drawDropCursor=ViewPlugin.fromClass(class{constructor(t){this.view=t,this.cursor=null,this.measureReq={read:this.readPos.bind(this),write:this.drawCursor.bind(this)}}update(t){var e;let i=t.state.field(dropCursorPos);null==i?null!=this.cursor&&(null===(e=this.cursor)||void 0===e||e.remove(),this.cursor=null):(this.cursor||(this.cursor=this.view.scrollDOM.appendChild(document.createElement("div")),this.cursor.className="cm-dropCursor"),(t.startState.field(dropCursorPos)!=i||t.docChanged||t.geometryChanged)&&this.view.requestMeasure(this.measureReq))}readPos(){let t=this.view.state.field(dropCursorPos),e=null!=t&&this.view.coordsAtPos(t);if(!e)return null;let i=this.view.scrollDOM.getBoundingClientRect();return{left:e.left-i.left+this.view.scrollDOM.scrollLeft,top:e.top-i.top+this.view.scrollDOM.scrollTop,height:e.bottom-e.top}}drawCursor(t){this.cursor&&(t?(this.cursor.style.left=t.left+"px",this.cursor.style.top=t.top+"px",this.cursor.style.height=t.height+"px"):this.cursor.style.left="-100000px")}destroy(){this.cursor&&this.cursor.remove()}setDropPos(t){this.view.state.field(dropCursorPos)!=t&&this.view.dispatch({effects:setDropCursorPos.of(t)})}},{eventHandlers:{dragover(t){this.setDropPos(this.view.posAtCoords({x:t.clientX,y:t.clientY}))},dragleave(t){t.target!=this.view.contentDOM&&this.view.contentDOM.contains(t.relatedTarget)||this.setDropPos(null)},dragend(){this.setDropPos(null)},drop(){this.setDropPos(null)}}});function dropCursor(){return[dropCursorPos,drawDropCursor]}function iterMatches(t,e,i,o,s){e.lastIndex=0;for(let n,r=t.iterRange(i,o),l=i;!r.next().done;l+=r.value.length)if(!r.lineBreak)for(;n=e.exec(r.value);)s(l+n.index,n)}function matchRanges(t,e){let i=t.visibleRanges;if(1==i.length&&i[0].from==t.viewport.from&&i[0].to==t.viewport.to)return i;let o=[];for(let{from:s,to:n}of i)s=Math.max(t.state.doc.lineAt(s).from,s-e),n=Math.min(t.state.doc.lineAt(n).to,n+e),o.length&&o[o.length-1].to>=s?o[o.length-1].to=n:o.push({from:s,to:n});return o}class MatchDecorator{constructor(t){const{regexp:e,decoration:i,decorate:o,boundary:s,maxLength:n=1e3}=t;if(!e.global)throw new RangeError("The regular expression given to MatchDecorator should have its 'g' flag set");if(this.regexp=e,o)this.addMatch=(t,e,i,s)=>o(s,i,i+t[0].length,t,e);else if("function"==typeof i)this.addMatch=(t,e,o,s)=>{let n=i(t,e,o);n&&s(o,o+t[0].length,n)};else{if(!i)throw new RangeError("Either 'decorate' or 'decoration' should be provided to MatchDecorator");this.addMatch=(t,e,o,s)=>s(o,o+t[0].length,i)}this.boundary=s,this.maxLength=n}createDeco(t){let e=new RangeSetBuilder,i=e.add.bind(e);for(let{from:e,to:o}of matchRanges(t,this.maxLength))iterMatches(t.state.doc,this.regexp,e,o,((e,o)=>this.addMatch(o,t,e,i)));return e.finish()}updateDeco(t,e){let i=1e9,o=-1;return t.docChanged&&t.changes.iterChanges(((e,s,n,r)=>{r>t.view.viewport.from&&n<t.view.viewport.to&&(i=Math.min(n,i),o=Math.max(r,o))})),t.viewportChanged||o-i>1e3?this.createDeco(t.view):o>-1?this.updateRange(t.view,e.map(t.changes),i,o):e}updateRange(t,e,i,o){for(let s of t.visibleRanges){let n=Math.max(s.from,i),r=Math.min(s.to,o);if(r>n){let i=t.state.doc.lineAt(n),o=i.to<r?t.state.doc.lineAt(r):i,l=Math.max(s.from,i.from),a=Math.min(s.to,o.to);if(this.boundary){for(;n>i.from;n--)if(this.boundary.test(i.text[n-1-i.from])){l=n;break}for(;r<o.to;r++)if(this.boundary.test(o.text[r-o.from])){a=r;break}}let h,c=[],d=(t,e,i)=>c.push(i.range(t,e));if(i==o)for(this.regexp.lastIndex=l-i.from;(h=this.regexp.exec(i.text))&&h.index<a-i.from;)this.addMatch(h,t,h.index+i.from,d);else iterMatches(t.state.doc,this.regexp,l,a,((e,i)=>this.addMatch(i,t,e,d)));e=e.update({filterFrom:l,filterTo:a,filter:(t,e)=>t<l||e>a,add:c})}}return e}}const UnicodeRegexpSupport=null!=/x/.unicode?"gu":"g",Specials=new RegExp("[\0-\b\n- -\u2028\u2029\ufeff-]",UnicodeRegexpSupport),Names={0:"null",7:"bell",8:"backspace",10:"newline",11:"vertical tab",13:"carriage return",27:"escape",8203:"zero width space",8204:"zero width non-joiner",8205:"zero width joiner",8206:"left-to-right mark",8207:"right-to-left mark",8232:"line separator",8237:"left-to-right override",8238:"right-to-left override",8294:"left-to-right isolate",8295:"right-to-left isolate",8297:"pop directional isolate",8233:"paragraph separator",65279:"zero width no-break space",65532:"object replacement"};let _supportsTabSize=null;function supportsTabSize(){var t;if(null==_supportsTabSize&&"undefined"!=typeof document&&document.body){let e=document.body.style;_supportsTabSize=null!=(null!==(t=e.tabSize)&&void 0!==t?t:e.MozTabSize)}return _supportsTabSize||!1}const specialCharConfig=Facet.define({combine(t){let e=combineConfig(t,{render:null,specialChars:Specials,addSpecialChars:null});return(e.replaceTabs=!supportsTabSize())&&(e.specialChars=new RegExp("\t|"+e.specialChars.source,UnicodeRegexpSupport)),e.addSpecialChars&&(e.specialChars=new RegExp(e.specialChars.source+"|"+e.addSpecialChars.source,UnicodeRegexpSupport)),e}});function highlightSpecialChars(t={}){return[specialCharConfig.of(t),specialCharPlugin()]}let _plugin=null;function specialCharPlugin(){return _plugin||(_plugin=ViewPlugin.fromClass(class{constructor(t){this.view=t,this.decorations=Decoration.none,this.decorationCache=Object.create(null),this.decorator=this.makeDecorator(t.state.facet(specialCharConfig)),this.decorations=this.decorator.createDeco(t)}makeDecorator(t){return new MatchDecorator({regexp:t.specialChars,decoration:(e,i,o)=>{let{doc:s}=i.state,n=codePointAt(e[0],0);if(9==n){let t=s.lineAt(o),e=i.state.tabSize,n=countColumn(t.text,e,o-t.from);return Decoration.replace({widget:new TabWidget((e-n%e)*this.view.defaultCharacterWidth)})}return this.decorationCache[n]||(this.decorationCache[n]=Decoration.replace({widget:new SpecialCharWidget(t,n)}))},boundary:t.replaceTabs?void 0:/[^]/})}update(t){let e=t.state.facet(specialCharConfig);t.startState.facet(specialCharConfig)!=e?(this.decorator=this.makeDecorator(e),this.decorations=this.decorator.createDeco(t.view)):this.decorations=this.decorator.updateDeco(t,this.decorations)}},{decorations:t=>t.decorations}))}const DefaultPlaceholder="•";function placeholder$1(t){return t>=32?"•":10==t?"":String.fromCharCode(9216+t)}class SpecialCharWidget extends WidgetType{constructor(t,e){super(),this.options=t,this.code=e}eq(t){return t.code==this.code}toDOM(t){let e=placeholder$1(this.code),i=t.state.phrase("Control character")+" "+(Names[this.code]||"0x"+this.code.toString(16)),o=this.options.render&&this.options.render(this.code,i,e);if(o)return o;let s=document.createElement("span");return s.textContent=e,s.title=i,s.setAttribute("aria-label",i),s.className="cm-specialChar",s}ignoreEvent(){return!1}}class TabWidget extends WidgetType{constructor(t){super(),this.width=t}eq(t){return t.width==this.width}toDOM(){let t=document.createElement("span");return t.textContent="\t",t.className="cm-tab",t.style.width=this.width+"px",t}ignoreEvent(){return!1}}const plugin=ViewPlugin.fromClass(class{constructor(){this.height=1e3,this.attrs={style:"padding-bottom: 1000px"}}update(t){let{view:e}=t,i=e.viewState.editorHeight-e.defaultLineHeight-e.documentPadding.top-.5;i>=0&&i!=this.height&&(this.height=i,this.attrs={style:`padding-bottom: ${i}px`})}});function scrollPastEnd(){return[plugin,contentAttributes.of((t=>{var e;return(null===(e=t.plugin(plugin))||void 0===e?void 0:e.attrs)||null}))]}function highlightActiveLine(){return activeLineHighlighter}const lineDeco=Decoration.line({class:"cm-activeLine"}),activeLineHighlighter=ViewPlugin.fromClass(class{constructor(t){this.decorations=this.getDeco(t)}update(t){(t.docChanged||t.selectionSet)&&(this.decorations=this.getDeco(t.view))}getDeco(t){let e=-1,i=[];for(let o of t.state.selection.ranges){let s=t.lineBlockAt(o.head);s.from>e&&(i.push(lineDeco.range(s.from)),e=s.from)}return Decoration.set(i)}},{decorations:t=>t.decorations});class Placeholder extends WidgetType{constructor(t){super(),this.content=t}toDOM(){let t=document.createElement("span");return t.className="cm-placeholder",t.style.pointerEvents="none",t.appendChild("string"==typeof this.content?document.createTextNode(this.content):this.content),"string"==typeof this.content?t.setAttribute("aria-label","placeholder "+this.content):t.setAttribute("aria-hidden","true"),t}coordsAt(t){let e=t.firstChild?clientRectsFor(t.firstChild):[];if(!e.length)return null;let i=window.getComputedStyle(t.parentNode),o=flattenRect(e[0],"rtl"!=i.direction),s=parseInt(i.lineHeight);return o.bottom-o.top>1.5*s?{left:o.left,right:o.right,top:o.top,bottom:o.top+s}:o}ignoreEvent(){return!1}}function placeholder(t){return ViewPlugin.fromClass(class{constructor(e){this.view=e,this.placeholder=t?Decoration.set([Decoration.widget({widget:new Placeholder(t),side:1}).range(0)]):Decoration.none}get decorations(){return this.view.state.doc.length?Decoration.none:this.placeholder}},{decorations:t=>t.decorations})}const MaxOff=2e3;function rectangleFor(t,e,i){let o=Math.min(e.line,i.line),s=Math.max(e.line,i.line),n=[];if(e.off>MaxOff||i.off>MaxOff||e.col<0||i.col<0){let r=Math.min(e.off,i.off),l=Math.max(e.off,i.off);for(let e=o;e<=s;e++){let i=t.doc.line(e);i.length<=l&&n.push(EditorSelection.range(i.from+r,i.to+l))}}else{let r=Math.min(e.col,i.col),l=Math.max(e.col,i.col);for(let e=o;e<=s;e++){let i=t.doc.line(e),o=findColumn(i.text,r,t.tabSize,!0);if(o<0)n.push(EditorSelection.cursor(i.to));else{let e=findColumn(i.text,l,t.tabSize);n.push(EditorSelection.range(i.from+o,i.from+e))}}}return n}function absoluteColumn(t,e){let i=t.coordsAtPos(t.viewport.from);return i?Math.round(Math.abs((i.left-e)/t.defaultCharacterWidth)):-1}function getPos(t,e){let i=t.posAtCoords({x:e.clientX,y:e.clientY},!1),o=t.state.doc.lineAt(i),s=i-o.from,n=s>MaxOff?-1:s==o.length?absoluteColumn(t,e.clientX):countColumn(o.text,t.state.tabSize,i-o.from);return{line:o.number,col:n,off:s}}function rectangleSelectionStyle(t,e){let i=getPos(t,e),o=t.state.selection;return i?{update(t){if(t.docChanged){let e=t.changes.mapPos(t.startState.doc.line(i.line).from),s=t.state.doc.lineAt(e);i={line:s.number,col:i.col,off:Math.min(i.off,s.length)},o=o.map(t.changes)}},get(e,s,n){let r=getPos(t,e);if(!r)return o;let l=rectangleFor(t.state,i,r);return l.length?n?EditorSelection.create(l.concat(o.ranges)):EditorSelection.create(l):o}}:null}function rectangularSelection(t){let e=(null==t?void 0:t.eventFilter)||(t=>t.altKey&&0==t.button);return EditorView.mouseSelectionStyle.of(((t,i)=>e(i)?rectangleSelectionStyle(t,i):null))}const keys={Alt:[18,t=>!!t.altKey],Control:[17,t=>!!t.ctrlKey],Shift:[16,t=>!!t.shiftKey],Meta:[91,t=>!!t.metaKey]},showCrosshair={style:"cursor: crosshair"};function crosshairCursor(t={}){let[e,i]=keys[t.key||"Alt"],o=ViewPlugin.fromClass(class{constructor(t){this.view=t,this.isDown=!1}set(t){this.isDown!=t&&(this.isDown=t,this.view.update([]))}},{eventHandlers:{keydown(t){this.set(t.keyCode==e||i(t))},keyup(t){t.keyCode!=e&&i(t)||this.set(!1)},mousemove(t){this.set(i(t))}}});return[o,EditorView.contentAttributes.of((t=>{var e;return(null===(e=t.plugin(o))||void 0===e?void 0:e.isDown)?showCrosshair:null}))]}const Outside="-10000px";class TooltipViewManager{constructor(t,e,i){this.facet=e,this.createTooltipView=i,this.input=t.state.facet(e),this.tooltips=this.input.filter((t=>t)),this.tooltipViews=this.tooltips.map(i)}update(t){var e;let i=t.state.facet(this.facet),o=i.filter((t=>t));if(i===this.input){for(let e of this.tooltipViews)e.update&&e.update(t);return!1}let s=[];for(let e=0;e<o.length;e++){let i=o[e],n=-1;if(i){for(let t=0;t<this.tooltips.length;t++){let e=this.tooltips[t];e&&e.create==i.create&&(n=t)}if(n<0)s[e]=this.createTooltipView(i);else{let i=s[e]=this.tooltipViews[n];i.update&&i.update(t)}}}for(let t of this.tooltipViews)s.indexOf(t)<0&&(t.dom.remove(),null===(e=t.destroy)||void 0===e||e.call(t));return this.input=i,this.tooltips=o,this.tooltipViews=s,!0}}function tooltips(t={}){return tooltipConfig.of(t)}function windowSpace(t){let{win:e}=t;return{top:0,left:0,bottom:e.innerHeight,right:e.innerWidth}}const tooltipConfig=Facet.define({combine:t=>{var e,i,o;return{position:browser.ios?"absolute":(null===(e=t.find((t=>t.position)))||void 0===e?void 0:e.position)||"fixed",parent:(null===(i=t.find((t=>t.parent)))||void 0===i?void 0:i.parent)||null,tooltipSpace:(null===(o=t.find((t=>t.tooltipSpace)))||void 0===o?void 0:o.tooltipSpace)||windowSpace}}}),knownHeight=new WeakMap,tooltipPlugin=ViewPlugin.fromClass(class{constructor(t){this.view=t,this.inView=!0,this.lastTransaction=0,this.measureTimeout=-1;let e=t.state.facet(tooltipConfig);this.position=e.position,this.parent=e.parent,this.classes=t.themeClasses,this.createContainer(),this.measureReq={read:this.readMeasure.bind(this),write:this.writeMeasure.bind(this),key:this},this.manager=new TooltipViewManager(t,showTooltip,(t=>this.createTooltip(t))),this.intersectionObserver="function"==typeof IntersectionObserver?new IntersectionObserver((t=>{Date.now()>this.lastTransaction-50&&t.length>0&&t[t.length-1].intersectionRatio<1&&this.measureSoon()}),{threshold:[1]}):null,this.observeIntersection(),t.win.addEventListener("resize",this.measureSoon=this.measureSoon.bind(this)),this.maybeMeasure()}createContainer(){this.parent?(this.container=document.createElement("div"),this.container.style.position="relative",this.container.className=this.view.themeClasses,this.parent.appendChild(this.container)):this.container=this.view.dom}observeIntersection(){if(this.intersectionObserver){this.intersectionObserver.disconnect();for(let t of this.manager.tooltipViews)this.intersectionObserver.observe(t.dom)}}measureSoon(){this.measureTimeout<0&&(this.measureTimeout=setTimeout((()=>{this.measureTimeout=-1,this.maybeMeasure()}),50))}update(t){t.transactions.length&&(this.lastTransaction=Date.now());let e=this.manager.update(t);e&&this.observeIntersection();let i=e||t.geometryChanged,o=t.state.facet(tooltipConfig);if(o.position!=this.position){this.position=o.position;for(let t of this.manager.tooltipViews)t.dom.style.position=this.position;i=!0}if(o.parent!=this.parent){this.parent&&this.container.remove(),this.parent=o.parent,this.createContainer();for(let t of this.manager.tooltipViews)this.container.appendChild(t.dom);i=!0}else this.parent&&this.view.themeClasses!=this.classes&&(this.classes=this.container.className=this.view.themeClasses);i&&this.maybeMeasure()}createTooltip(t){let e=t.create(this.view);if(e.dom.classList.add("cm-tooltip"),t.arrow&&!e.dom.querySelector(".cm-tooltip > .cm-tooltip-arrow")){let t=document.createElement("div");t.className="cm-tooltip-arrow",e.dom.appendChild(t)}return e.dom.style.position=this.position,e.dom.style.top=Outside,this.container.appendChild(e.dom),e.mount&&e.mount(this.view),e}destroy(){var t,e;this.view.win.removeEventListener("resize",this.measureSoon);for(let e of this.manager.tooltipViews)e.dom.remove(),null===(t=e.destroy)||void 0===t||t.call(e);null===(e=this.intersectionObserver)||void 0===e||e.disconnect(),clearTimeout(this.measureTimeout)}readMeasure(){let t=this.view.dom.getBoundingClientRect();return{editor:t,parent:this.parent?this.container.getBoundingClientRect():t,pos:this.manager.tooltips.map(((t,e)=>{let i=this.manager.tooltipViews[e];return i.getCoords?i.getCoords(t.pos):this.view.coordsAtPos(t.pos)})),size:this.manager.tooltipViews.map((({dom:t})=>t.getBoundingClientRect())),space:this.view.state.facet(tooltipConfig).tooltipSpace(this.view)}}writeMeasure(t){var e;let{editor:i,space:o}=t,s=[];for(let n=0;n<this.manager.tooltips.length;n++){let r=this.manager.tooltips[n],l=this.manager.tooltipViews[n],{dom:a}=l,h=t.pos[n],c=t.size[n];if(!h||h.bottom<=Math.max(i.top,o.top)||h.top>=Math.min(i.bottom,o.bottom)||h.right<Math.max(i.left,o.left)-.1||h.left>Math.min(i.right,o.right)+.1){a.style.top=Outside;continue}let d=r.arrow?l.dom.querySelector(".cm-tooltip-arrow"):null,u=d?7:0,f=c.right-c.left,p=null!==(e=knownHeight.get(l))&&void 0!==e?e:c.bottom-c.top,g=l.offset||noOffset,m=this.view.textDirection==Direction.LTR,w=c.width>o.right-o.left?m?o.left:o.right-c.width:m?Math.min(h.left-(d?14:0)+g.x,o.right-f):Math.max(o.left,h.left-f+(d?14:0)-g.x),v=!!r.above;!r.strictSide&&(v?h.top-(c.bottom-c.top)-g.y<o.top:h.bottom+(c.bottom-c.top)+g.y>o.bottom)&&v==o.bottom-h.bottom>h.top-o.top&&(v=!v);let b=(v?h.top-o.top:o.bottom-h.bottom)-u;if(b<p&&!1!==l.resize){if(b<this.view.defaultLineHeight){a.style.top=Outside;continue}knownHeight.set(l,p),a.style.height=(p=b)+"px"}else a.style.height&&(a.style.height="");let y=v?h.top-p-u-g.y:h.bottom+u+g.y,S=w+f;if(!0!==l.overlap)for(let t of s)t.left<S&&t.right>w&&t.top<y+p&&t.bottom>y&&(y=v?t.top-p-2-u:t.bottom+u+2);"absolute"==this.position?(a.style.top=y-t.parent.top+"px",a.style.left=w-t.parent.left+"px"):(a.style.top=y+"px",a.style.left=w+"px"),d&&(d.style.left=h.left+(m?g.x:-g.x)-(w+14-7)+"px"),!0!==l.overlap&&s.push({left:w,top:y,right:S,bottom:y+p}),a.classList.toggle("cm-tooltip-above",v),a.classList.toggle("cm-tooltip-below",!v),l.positioned&&l.positioned(t.space)}}maybeMeasure(){if(this.manager.tooltips.length&&(this.view.inView&&this.view.requestMeasure(this.measureReq),this.inView!=this.view.inView&&(this.inView=this.view.inView,!this.inView)))for(let t of this.manager.tooltipViews)t.dom.style.top=Outside}},{eventHandlers:{scroll(){this.maybeMeasure()}}}),baseTheme=EditorView.baseTheme({".cm-tooltip":{zIndex:100,boxSizing:"border-box"},"&light .cm-tooltip":{border:"1px solid #bbb",backgroundColor:"#f5f5f5"},"&light .cm-tooltip-section:not(:first-child)":{borderTop:"1px solid #bbb"},"&dark .cm-tooltip":{backgroundColor:"#333338",color:"white"},".cm-tooltip-arrow":{height:"7px",width:"14px",position:"absolute",zIndex:-1,overflow:"hidden","&:before, &:after":{content:"''",position:"absolute",width:0,height:0,borderLeft:"7px solid transparent",borderRight:"7px solid transparent"},".cm-tooltip-above &":{bottom:"-7px","&:before":{borderTop:"7px solid #bbb"},"&:after":{borderTop:"7px solid #f5f5f5",bottom:"1px"}},".cm-tooltip-below &":{top:"-7px","&:before":{borderBottom:"7px solid #bbb"},"&:after":{borderBottom:"7px solid #f5f5f5",top:"1px"}}},"&dark .cm-tooltip .cm-tooltip-arrow":{"&:before":{borderTopColor:"#333338",borderBottomColor:"#333338"},"&:after":{borderTopColor:"transparent",borderBottomColor:"transparent"}}}),noOffset={x:0,y:0},showTooltip=Facet.define({enables:[tooltipPlugin,baseTheme]}),showHoverTooltip=Facet.define();class HoverTooltipHost{static create(t){return new HoverTooltipHost(t)}constructor(t){this.view=t,this.mounted=!1,this.dom=document.createElement("div"),this.dom.classList.add("cm-tooltip-hover"),this.manager=new TooltipViewManager(t,showHoverTooltip,(t=>this.createHostedView(t)))}createHostedView(t){let e=t.create(this.view);return e.dom.classList.add("cm-tooltip-section"),this.dom.appendChild(e.dom),this.mounted&&e.mount&&e.mount(this.view),e}mount(t){for(let e of this.manager.tooltipViews)e.mount&&e.mount(t);this.mounted=!0}positioned(t){for(let e of this.manager.tooltipViews)e.positioned&&e.positioned(t)}update(t){this.manager.update(t)}destroy(){var t;for(let e of this.manager.tooltipViews)null===(t=e.destroy)||void 0===t||t.call(e)}}const showHoverTooltipHost=showTooltip.compute([showHoverTooltip],(t=>{let e=t.facet(showHoverTooltip).filter((t=>t));return 0===e.length?null:{pos:Math.min(...e.map((t=>t.pos))),end:Math.max(...e.filter((t=>null!=t.end)).map((t=>t.end))),create:HoverTooltipHost.create,above:e[0].above,arrow:e.some((t=>t.arrow))}}));class HoverPlugin{constructor(t,e,i,o,s){this.view=t,this.source=e,this.field=i,this.setHover=o,this.hoverTime=s,this.hoverTimeout=-1,this.restartTimeout=-1,this.pending=null,this.lastMove={x:0,y:0,target:t.dom,time:0},this.checkHover=this.checkHover.bind(this),t.dom.addEventListener("mouseleave",this.mouseleave=this.mouseleave.bind(this)),t.dom.addEventListener("mousemove",this.mousemove=this.mousemove.bind(this))}update(){this.pending&&(this.pending=null,clearTimeout(this.restartTimeout),this.restartTimeout=setTimeout((()=>this.startHover()),20))}get active(){return this.view.state.field(this.field)}checkHover(){if(this.hoverTimeout=-1,this.active)return;let t=Date.now()-this.lastMove.time;t<this.hoverTime?this.hoverTimeout=setTimeout(this.checkHover,this.hoverTime-t):this.startHover()}startHover(){clearTimeout(this.restartTimeout);let{view:t,lastMove:e}=this,i=t.docView.nearest(e.target);if(!i)return;let o,s=1;if(i instanceof WidgetView)o=i.posAtStart;else{if(o=t.posAtCoords(e),null==o)return;let i=t.coordsAtPos(o);if(!i||e.y<i.top||e.y>i.bottom||e.x<i.left-t.defaultCharacterWidth||e.x>i.right+t.defaultCharacterWidth)return;let n=t.bidiSpans(t.state.doc.lineAt(o)).find((t=>t.from<=o&&t.to>=o)),r=n&&n.dir==Direction.RTL?-1:1;s=e.x<i.left?-r:r}let n=this.source(t,o,s);if(null==n?void 0:n.then){let e=this.pending={pos:o};n.then((i=>{this.pending==e&&(this.pending=null,i&&t.dispatch({effects:this.setHover.of(i)}))}),(e=>logException(t.state,e,"hover tooltip")))}else n&&t.dispatch({effects:this.setHover.of(n)})}mousemove(t){var e;this.lastMove={x:t.clientX,y:t.clientY,target:t.target,time:Date.now()},this.hoverTimeout<0&&(this.hoverTimeout=setTimeout(this.checkHover,this.hoverTime));let i=this.active;if(i&&!isInTooltip(this.lastMove.target)||this.pending){let{pos:o}=i||this.pending,s=null!==(e=null==i?void 0:i.end)&&void 0!==e?e:o;(o==s?this.view.posAtCoords(this.lastMove)==o:isOverRange(this.view,o,s,t.clientX,t.clientY))||(this.view.dispatch({effects:this.setHover.of(null)}),this.pending=null)}}mouseleave(t){clearTimeout(this.hoverTimeout),this.hoverTimeout=-1,this.active&&!isInTooltip(t.relatedTarget)&&this.view.dispatch({effects:this.setHover.of(null)})}destroy(){clearTimeout(this.hoverTimeout),this.view.dom.removeEventListener("mouseleave",this.mouseleave),this.view.dom.removeEventListener("mousemove",this.mousemove)}}function isInTooltip(t){for(let e=t;e;e=e.parentNode)if(1==e.nodeType&&e.classList.contains("cm-tooltip"))return!0;return!1}function isOverRange(t,e,i,o,s,n){let r=t.scrollDOM.getBoundingClientRect(),l=t.documentTop+t.documentPadding.top+t.contentHeight;if(r.left>o||r.right<o||r.top>s||Math.min(r.bottom,l)<s)return!1;let a=t.posAtCoords({x:o,y:s},!1);return a>=e&&a<=i}function hoverTooltip(t,e={}){let i=StateEffect.define(),o=StateField.define({create:()=>null,update(t,o){if(t&&(e.hideOnChange&&(o.docChanged||o.selection)||e.hideOn&&e.hideOn(o,t)))return null;if(t&&o.docChanged){let e=o.changes.mapPos(t.pos,-1,MapMode.TrackDel);if(null==e)return null;let i=Object.assign(Object.create(null),t);i.pos=e,null!=t.end&&(i.end=o.changes.mapPos(t.end)),t=i}for(let e of o.effects)e.is(i)&&(t=e.value),e.is(closeHoverTooltipEffect)&&(t=null);return t},provide:t=>showHoverTooltip.from(t)});return[o,ViewPlugin.define((s=>new HoverPlugin(s,t,o,i,e.hoverTime||300))),showHoverTooltipHost]}function getTooltip(t,e){let i=t.plugin(tooltipPlugin);if(!i)return null;let o=i.manager.tooltips.indexOf(e);return o<0?null:i.manager.tooltipViews[o]}function hasHoverTooltips(t){return t.facet(showHoverTooltip).some((t=>t))}const closeHoverTooltipEffect=StateEffect.define(),closeHoverTooltips=closeHoverTooltipEffect.of(null);function repositionTooltips(t){var e;null===(e=t.plugin(tooltipPlugin))||void 0===e||e.maybeMeasure()}const panelConfig=Facet.define({combine(t){let e,i;for(let o of t)e=e||o.topContainer,i=i||o.bottomContainer;return{topContainer:e,bottomContainer:i}}});function panels(t){return t?[panelConfig.of(t)]:[]}function getPanel(t,e){let i=t.plugin(panelPlugin),o=i?i.specs.indexOf(e):-1;return o>-1?i.panels[o]:null}const panelPlugin=ViewPlugin.fromClass(class{constructor(t){this.input=t.state.facet(showPanel),this.specs=this.input.filter((t=>t)),this.panels=this.specs.map((e=>e(t)));let e=t.state.facet(panelConfig);this.top=new PanelGroup(t,!0,e.topContainer),this.bottom=new PanelGroup(t,!1,e.bottomContainer),this.top.sync(this.panels.filter((t=>t.top))),this.bottom.sync(this.panels.filter((t=>!t.top)));for(let t of this.panels)t.dom.classList.add("cm-panel"),t.mount&&t.mount()}update(t){let e=t.state.facet(panelConfig);this.top.container!=e.topContainer&&(this.top.sync([]),this.top=new PanelGroup(t.view,!0,e.topContainer)),this.bottom.container!=e.bottomContainer&&(this.bottom.sync([]),this.bottom=new PanelGroup(t.view,!1,e.bottomContainer)),this.top.syncClasses(),this.bottom.syncClasses();let i=t.state.facet(showPanel);if(i!=this.input){let e=i.filter((t=>t)),o=[],s=[],n=[],r=[];for(let i of e){let e,l=this.specs.indexOf(i);l<0?(e=i(t.view),r.push(e)):(e=this.panels[l],e.update&&e.update(t)),o.push(e),(e.top?s:n).push(e)}this.specs=e,this.panels=o,this.top.sync(s),this.bottom.sync(n);for(let t of r)t.dom.classList.add("cm-panel"),t.mount&&t.mount()}else for(let e of this.panels)e.update&&e.update(t)}destroy(){this.top.sync([]),this.bottom.sync([])}},{provide:t=>EditorView.scrollMargins.of((e=>{let i=e.plugin(t);return i&&{top:i.top.scrollMargin(),bottom:i.bottom.scrollMargin()}}))});class PanelGroup{constructor(t,e,i){this.view=t,this.top=e,this.container=i,this.dom=void 0,this.classes="",this.panels=[],this.syncClasses()}sync(t){for(let e of this.panels)e.destroy&&t.indexOf(e)<0&&e.destroy();this.panels=t,this.syncDOM()}syncDOM(){if(0==this.panels.length)return void(this.dom&&(this.dom.remove(),this.dom=void 0));if(!this.dom){this.dom=document.createElement("div"),this.dom.className=this.top?"cm-panels cm-panels-top":"cm-panels cm-panels-bottom",this.dom.style[this.top?"top":"bottom"]="0";let t=this.container||this.view.dom;t.insertBefore(this.dom,this.top?t.firstChild:null)}let t=this.dom.firstChild;for(let e of this.panels)if(e.dom.parentNode==this.dom){for(;t!=e.dom;)t=rm(t);t=t.nextSibling}else this.dom.insertBefore(e.dom,t);for(;t;)t=rm(t)}scrollMargin(){return!this.dom||this.container?0:Math.max(0,this.top?this.dom.getBoundingClientRect().bottom-Math.max(0,this.view.scrollDOM.getBoundingClientRect().top):Math.min(innerHeight,this.view.scrollDOM.getBoundingClientRect().bottom)-this.dom.getBoundingClientRect().top)}syncClasses(){if(this.container&&this.classes!=this.view.themeClasses){for(let t of this.classes.split(" "))t&&this.container.classList.remove(t);for(let t of(this.classes=this.view.themeClasses).split(" "))t&&this.container.classList.add(t)}}}function rm(t){let e=t.nextSibling;return t.remove(),e}const showPanel=Facet.define({enables:panelPlugin});class GutterMarker extends RangeValue{compare(t){return this==t||this.constructor==t.constructor&&this.eq(t)}eq(t){return!1}destroy(t){}}GutterMarker.prototype.elementClass="",GutterMarker.prototype.toDOM=void 0,GutterMarker.prototype.mapMode=MapMode.TrackBefore,GutterMarker.prototype.startSide=GutterMarker.prototype.endSide=-1,GutterMarker.prototype.point=!0;const gutterLineClass=Facet.define(),defaults={class:"",renderEmptyElements:!1,elementStyle:"",markers:()=>RangeSet.empty,lineMarker:()=>null,widgetMarker:()=>null,lineMarkerChange:null,initialSpacer:null,updateSpacer:null,domEventHandlers:{}},activeGutters=Facet.define();function gutter(t){return[gutters(),activeGutters.of(Object.assign(Object.assign({},defaults),t))]}const unfixGutters=Facet.define({combine:t=>t.some((t=>t))});function gutters(t){let e=[gutterView];return t&&!1===t.fixed&&e.push(unfixGutters.of(!0)),e}const gutterView=ViewPlugin.fromClass(class{constructor(t){this.view=t,this.prevViewport=t.viewport,this.dom=document.createElement("div"),this.dom.className="cm-gutters",this.dom.setAttribute("aria-hidden","true"),this.dom.style.minHeight=this.view.contentHeight+"px",this.gutters=t.state.facet(activeGutters).map((e=>new SingleGutterView(t,e)));for(let t of this.gutters)this.dom.appendChild(t.dom);this.fixed=!t.state.facet(unfixGutters),this.fixed&&(this.dom.style.position="sticky"),this.syncGutters(!1),t.scrollDOM.insertBefore(this.dom,t.contentDOM)}update(t){if(this.updateGutters(t)){let e=this.prevViewport,i=t.view.viewport,o=Math.min(e.to,i.to)-Math.max(e.from,i.from);this.syncGutters(o<.8*(i.to-i.from))}t.geometryChanged&&(this.dom.style.minHeight=this.view.contentHeight+"px"),this.view.state.facet(unfixGutters)!=!this.fixed&&(this.fixed=!this.fixed,this.dom.style.position=this.fixed?"sticky":""),this.prevViewport=t.view.viewport}syncGutters(t){let e=this.dom.nextSibling;t&&this.dom.remove();let i=RangeSet.iter(this.view.state.facet(gutterLineClass),this.view.viewport.from),o=[],s=this.gutters.map((t=>new UpdateContext(t,this.view.viewport,-this.view.documentPadding.top)));for(let t of this.view.viewportLineBlocks)if(o.length&&(o=[]),Array.isArray(t.type)){let e=!0;for(let n of t.type)if(n.type==BlockType.Text&&e){advanceCursor(i,o,n.from);for(let t of s)t.line(this.view,n,o);e=!1}else if(n.widget)for(let t of s)t.widget(this.view,n)}else if(t.type==BlockType.Text){advanceCursor(i,o,t.from);for(let e of s)e.line(this.view,t,o)}for(let t of s)t.finish();t&&this.view.scrollDOM.insertBefore(this.dom,e)}updateGutters(t){let e=t.startState.facet(activeGutters),i=t.state.facet(activeGutters),o=t.docChanged||t.heightChanged||t.viewportChanged||!RangeSet.eq(t.startState.facet(gutterLineClass),t.state.facet(gutterLineClass),t.view.viewport.from,t.view.viewport.to);if(e==i)for(let e of this.gutters)e.update(t)&&(o=!0);else{o=!0;let s=[];for(let o of i){let i=e.indexOf(o);i<0?s.push(new SingleGutterView(this.view,o)):(this.gutters[i].update(t),s.push(this.gutters[i]))}for(let t of this.gutters)t.dom.remove(),s.indexOf(t)<0&&t.destroy();for(let t of s)this.dom.appendChild(t.dom);this.gutters=s}return o}destroy(){for(let t of this.gutters)t.destroy();this.dom.remove()}},{provide:t=>EditorView.scrollMargins.of((e=>{let i=e.plugin(t);return i&&0!=i.gutters.length&&i.fixed?e.textDirection==Direction.LTR?{left:i.dom.offsetWidth}:{right:i.dom.offsetWidth}:null}))});function asArray(t){return Array.isArray(t)?t:[t]}function advanceCursor(t,e,i){for(;t.value&&t.from<=i;)t.from==i&&e.push(t.value),t.next()}class UpdateContext{constructor(t,e,i){this.gutter=t,this.height=i,this.i=0,this.cursor=RangeSet.iter(t.markers,e.from)}addElement(t,e,i){let{gutter:o}=this,s=e.top-this.height;if(this.i==o.elements.length){let n=new GutterElement(t,e.height,s,i);o.elements.push(n),o.dom.appendChild(n.dom)}else o.elements[this.i].update(t,e.height,s,i);this.height=e.bottom,this.i++}line(t,e,i){let o=[];advanceCursor(this.cursor,o,e.from),i.length&&(o=o.concat(i));let s=this.gutter.config.lineMarker(t,e,o);s&&o.unshift(s);let n=this.gutter;(0!=o.length||n.config.renderEmptyElements)&&this.addElement(t,e,o)}widget(t,e){let i=this.gutter.config.widgetMarker(t,e.widget,e);i&&this.addElement(t,e,[i])}finish(){let t=this.gutter;for(;t.elements.length>this.i;){let e=t.elements.pop();t.dom.removeChild(e.dom),e.destroy()}}}class SingleGutterView{constructor(t,e){this.view=t,this.config=e,this.elements=[],this.spacer=null,this.dom=document.createElement("div"),this.dom.className="cm-gutter"+(this.config.class?" "+this.config.class:"");for(let i in e.domEventHandlers)this.dom.addEventListener(i,(o=>{let s,n=o.target;if(n!=this.dom&&this.dom.contains(n)){for(;n.parentNode!=this.dom;)n=n.parentNode;let t=n.getBoundingClientRect();s=(t.top+t.bottom)/2}else s=o.clientY;let r=t.lineBlockAtHeight(s-t.documentTop);e.domEventHandlers[i](t,r,o)&&o.preventDefault()}));this.markers=asArray(e.markers(t)),e.initialSpacer&&(this.spacer=new GutterElement(t,0,0,[e.initialSpacer(t)]),this.dom.appendChild(this.spacer.dom),this.spacer.dom.style.cssText+="visibility: hidden; pointer-events: none")}update(t){let e=this.markers;if(this.markers=asArray(this.config.markers(t.view)),this.spacer&&this.config.updateSpacer){let e=this.config.updateSpacer(this.spacer.markers[0],t);e!=this.spacer.markers[0]&&this.spacer.update(t.view,0,0,[e])}let i=t.view.viewport;return!RangeSet.eq(this.markers,e,i.from,i.to)||!!this.config.lineMarkerChange&&this.config.lineMarkerChange(t)}destroy(){for(let t of this.elements)t.destroy()}}class GutterElement{constructor(t,e,i,o){this.height=-1,this.above=0,this.markers=[],this.dom=document.createElement("div"),this.dom.className="cm-gutterElement",this.update(t,e,i,o)}update(t,e,i,o){this.height!=e&&(this.dom.style.height=(this.height=e)+"px"),this.above!=i&&(this.dom.style.marginTop=(this.above=i)?i+"px":""),sameMarkers(this.markers,o)||this.setMarkers(t,o)}setMarkers(t,e){let i="cm-gutterElement",o=this.dom.firstChild;for(let s=0,n=0;;){let r=n,l=s<e.length?e[s++]:null,a=!1;if(l){let t=l.elementClass;t&&(i+=" "+t);for(let t=n;t<this.markers.length;t++)if(this.markers[t].compare(l)){r=t,a=!0;break}}else r=this.markers.length;for(;n<r;){let t=this.markers[n++];if(t.toDOM){t.destroy(o);let e=o.nextSibling;o.remove(),o=e}}if(!l)break;l.toDOM&&(a?o=o.nextSibling:this.dom.insertBefore(l.toDOM(t),o)),a&&n++}this.dom.className=i,this.markers=e}destroy(){this.setMarkers(null,[])}}function sameMarkers(t,e){if(t.length!=e.length)return!1;for(let i=0;i<t.length;i++)if(!t[i].compare(e[i]))return!1;return!0}const lineNumberMarkers=Facet.define(),lineNumberConfig=Facet.define({combine:t=>combineConfig(t,{formatNumber:String,domEventHandlers:{}},{domEventHandlers(t,e){let i=Object.assign({},t);for(let t in e){let o=i[t],s=e[t];i[t]=o?(t,e,i)=>o(t,e,i)||s(t,e,i):s}return i}})});class NumberMarker extends GutterMarker{constructor(t){super(),this.number=t}eq(t){return this.number==t.number}toDOM(){return document.createTextNode(this.number)}}function formatNumber(t,e){return t.state.facet(lineNumberConfig).formatNumber(e,t.state)}const lineNumberGutter=activeGutters.compute([lineNumberConfig],(t=>({class:"cm-lineNumbers",renderEmptyElements:!1,markers:t=>t.state.facet(lineNumberMarkers),lineMarker:(t,e,i)=>i.some((t=>t.toDOM))?null:new NumberMarker(formatNumber(t,t.state.doc.lineAt(e.from).number)),widgetMarker:()=>null,lineMarkerChange:t=>t.startState.facet(lineNumberConfig)!=t.state.facet(lineNumberConfig),initialSpacer:t=>new NumberMarker(formatNumber(t,maxLineNumber(t.state.doc.lines))),updateSpacer(t,e){let i=formatNumber(e.view,maxLineNumber(e.view.state.doc.lines));return i==t.number?t:new NumberMarker(i)},domEventHandlers:t.facet(lineNumberConfig).domEventHandlers})));function lineNumbers(t={}){return[lineNumberConfig.of(t),gutters(),lineNumberGutter]}function maxLineNumber(t){let e=9;for(;e<t;)e=10*e+9;return e}const activeLineGutterMarker=new class extends GutterMarker{constructor(){super(...arguments),this.elementClass="cm-activeLineGutter"}},activeLineGutterHighlighter=gutterLineClass.compute(["selection"],(t=>{let e=[],i=-1;for(let o of t.selection.ranges){let s=t.doc.lineAt(o.head).from;s>i&&(i=s,e.push(activeLineGutterMarker.range(s)))}return RangeSet.of(e)}));function highlightActiveLineGutter(){return activeLineGutterHighlighter}const WhitespaceDeco=new Map;function getWhitespaceDeco(t){let e=WhitespaceDeco.get(t);return e||WhitespaceDeco.set(t,e=Decoration.mark({attributes:"\t"===t?{class:"cm-highlightTab"}:{class:"cm-highlightSpace","data-display":t.replace(/ /g,"·")}})),e}function matcher(t){return ViewPlugin.define((e=>({decorations:t.createDeco(e),update(e){this.decorations=t.updateDeco(e,this.decorations)}})),{decorations:t=>t.decorations})}const whitespaceHighlighter=matcher(new MatchDecorator({regexp:/\t| +/g,decoration:t=>getWhitespaceDeco(t[0]),boundary:/\S/}));function highlightWhitespace(){return whitespaceHighlighter}const trailingHighlighter=matcher(new MatchDecorator({regexp:/\s+$/g,decoration:Decoration.mark({class:"cm-trailingSpace"}),boundary:/\S/}));function highlightTrailingWhitespace(){return trailingHighlighter}const __test={HeightMap:HeightMap,HeightOracle:HeightOracle,MeasuredHeights:MeasuredHeights,QueryType:QueryType,ChangedRange:ChangedRange,computeOrder:computeOrder,moveVisually:moveVisually};export{BidiSpan,BlockInfo,BlockType,Decoration,Direction,EditorView,GutterMarker,MatchDecorator,RectangleMarker,ViewPlugin,ViewUpdate,WidgetType,__test,closeHoverTooltips,crosshairCursor,drawSelection,dropCursor,getPanel,getTooltip,gutter,gutterLineClass,gutters,hasHoverTooltips,highlightActiveLine,highlightActiveLineGutter,highlightSpecialChars,highlightTrailingWhitespace,highlightWhitespace,hoverTooltip,keymap,layer,lineNumberMarkers,lineNumbers,logException,panels,placeholder,rectangularSelection,repositionTooltips,runScopeHandlers,scrollPastEnd,showPanel,showTooltip,tooltips}; |