@uiw/react-codemirror/dist/mdeditor.min.js

CodeMirror component for React.

/*! For license information please see mdeditor.min.js.LICENSE.txt */
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0),this.tree!=x.empty&&this.isDone(null!==t&&void 0!==t?t:this.state.doc.length)?(this.takeTree(),!0):this.withContext((()=>{var n;if("number"==typeof e){let t=Date.now()+e;e=()=>Date.now()>t}for(this.parse||(this.parse=this.startParse()),null!=t&&(null==this.parse.stoppedAt||this.parse.stoppedAt>t)&&t<this.state.doc.length&&this.parse.stopAt(t);;){let i=this.parse.advance();if(i){if(this.fragments=this.withoutTempSkipped(_.addTree(i,this.fragments,null!=this.parse.stoppedAt)),this.treeLen=null!==(n=this.parse.stoppedAt)&&void 0!==n?n:this.state.doc.length,this.tree=i,this.parse=null,!(this.treeLen<(null!==t&&void 0!==t?t:this.state.doc.length)))return!0;this.parse=this.startParse()}if(e())return!1}}))}takeTree(){let e,t;this.parse&&(e=this.parse.parsedPos)>=this.treeLen&&((null==this.parse.stoppedAt||this.parse.stoppedAt>e)&&this.parse.stopAt(e),this.withContext((()=>{for(;!(t=this.parse.advance()););})),this.treeLen=e,this.tree=t,this.fragments=this.withoutTempSkipped(_.addTree(this.tree,this.fragments,!0)),this.parse=null)}withContext(e){let t=Ce;Ce=this;try{return e()}finally{Ce=t}}withoutTempSkipped(e){for(let t;t=this.tempSkipped.pop();)e=Ee(e,t.from,t.to);return e}changes(e,t){let{fragments:n,tree:i,treeLen:r,viewport:o,skipped:s}=this;if(this.takeTree(),!e.empty){let t=[];if(e.iterChangedRanges(((e,n,i,r)=>t.push({fromA:e,toA:n,fromB:i,toB:r}))),n=_.applyChanges(n,t),i=x.empty,r=0,o={from:e.mapPos(o.from,-1),to:e.mapPos(o.to,1)},this.skipped.length){s=[];for(let t of this.skipped){let n=e.mapPos(t.from,1),i=e.mapPos(t.to,-1);n<i&&s.push({from:n,to:i})}}}return new Ae(this.parser,t,n,i,r,o,s,this.scheduleOn)}updateViewport(e){if(this.viewport.from==e.from&&this.viewport.to==e.to)return!1;this.viewport=e;let t=this.skipped.length;for(let n=0;n<this.skipped.length;n++){let{from:t,to:i}=this.skipped[n];t<e.to&&i>e.from&&(this.fragments=Ee(this.fragments,t,i),this.skipped.splice(n--,1))}return!(this.skipped.length>=t)&&(this.reset(),!0)}reset(){this.parse&&(this.takeTree(),this.parse=null)}skipUntilInView(e,t){this.skipped.push({from:e,to:t})}static getSkippingParser(e){return new class extends F{createParse(t,n,i){let r=i[0].from,o=i[i.length-1].to;return{parsedPos:r,advance(){let t=Ce;if(t){for(let e of i)t.tempSkipped.push(e);e&&(t.scheduleOn=t.scheduleOn?Promise.all([t.scheduleOn,e]):e)}return this.parsedPos=o,new x(y.none,[],[],o-r)},stoppedAt:null,stopAt(){}}}}}isDone(e){e=Math.min(e,this.state.doc.length);let t=this.fragments;return this.treeLen>=e&&t.length&&0==t[0].from&&t[0].to>=e}static get(){return Ce}}function Ee(e,t,n){return _.applyChanges(e,[{fromA:t,toA:n,fromB:t,toB:n}])}class Oe{constructor(e){this.context=e,this.tree=e.tree}apply(e){if(!e.docChanged&&this.tree==this.context.tree)return this;let t=this.context.changes(e.changes,e.state),n=this.context.treeLen==e.startState.doc.length?void 0:Math.max(e.changes.mapPos(this.context.treeLen),t.viewport.to);return t.work(20,n)||t.takeTree(),new Oe(t)}static init(e){let t=Math.min(3e3,e.doc.length),n=Ae.create(e.facet(Ie).parser,e,{from:0,to:t});return n.work(20,t)||n.takeTree(),new Oe(n)}}we.state=h.StateField.define({create:Oe.init,update(e,t){for(let n of t.effects)if(n.is(we.setState))return n.value;return t.startState.facet(Ie)!=t.state.facet(Ie)?Oe.init(t.state):e.apply(t)}});let Me=e=>{let t=setTimeout((()=>e()),500);return()=>clearTimeout(t)};"undefined"!=typeof requestIdleCallback&&(Me=e=>{let t=-1,n=setTimeout((()=>{t=requestIdleCallback(e,{timeout:400})}),100);return()=>t<0?clearTimeout(n):cancelIdleCallback(t)});const De="undefined"!=typeof navigator&&(null===(ve=navigator.scheduling)||void 0===ve?void 0:ve.isInputPending)?()=>navigator.scheduling.isInputPending():null,Pe=u.ViewPlugin.fromClass(class{constructor(e){this.view=e,this.working=null,this.workScheduled=0,this.chunkEnd=-1,this.chunkBudget=-1,this.work=this.work.bind(this),this.scheduleWork()}update(e){let t=this.view.state.field(we.state).context;(t.updateViewport(e.view.viewport)||this.view.viewport.to>t.treeLen)&&this.scheduleWork(),e.docChanged&&(this.view.hasFocus&&(this.chunkBudget+=50),this.scheduleWork()),this.checkAsyncSchedule(t)}scheduleWork(){if(this.working)return;let{state:e}=this.view,t=e.field(we.state);t.tree==t.context.tree&&t.context.isDone(e.doc.length)||(this.working=Me(this.work))}work(e){this.working=null;let t=Date.now();if(this.chunkEnd<t&&(this.chunkEnd<0||this.view.hasFocus)&&(this.chunkEnd=t+3e4,this.chunkBudget=3e3),this.chunkBudget<=0)return;let{state:n,viewport:{to:i}}=this.view,r=n.field(we.state);if(r.tree==r.context.tree&&r.context.isDone(i+1e5))return;let o=Date.now()+Math.min(this.chunkBudget,100,e&&!De?Math.max(25,e.timeRemaining()-5):1e9),s=r.context.treeLen<i&&n.doc.length>i+1e3,l=r.context.work((()=>De&&De()||Date.now()>o),i+(s?0:1e5));this.chunkBudget-=Date.now()-t,(l||this.chunkBudget<=0)&&(r.context.takeTree(),this.view.dispatch({effects:we.setState.of(new Oe(r.context))})),this.chunkBudget>0&&(!l||s)&&this.scheduleWork(),this.checkAsyncSchedule(r.context)}checkAsyncSchedule(e){e.scheduleOn&&(this.workScheduled++,e.scheduleOn.then((()=>this.scheduleWork())).catch((e=>(0,u.logException)(this.view.state,e))).then((()=>this.workScheduled--)),e.scheduleOn=null)}destroy(){this.working&&this.working()}isWorking(){return!!(this.working||this.workScheduled>0)}},{eventHandlers:{focus(){this.scheduleWork()}}}),Ie=h.Facet.define({combine:e=>e.length?e[0]:null,enables:e=>[we.state,Pe,u.EditorView.contentAttributes.compute([e],(t=>{let n=t.facet(e);return n&&n.name?{"data-language":n.name}:{}}))]});const Be=h.Facet.define(),Te=h.Facet.define({combine:e=>{if(!e.length)return"  ";if(!/^(?: +|\t+)$/.test(e[0]))throw new Error("Invalid indent unit: "+JSON.stringify(e[0]));return e[0]}});function Ne(e){let t=e.facet(Te);return 9==t.charCodeAt(0)?e.tabSize*t.length:t.length}function Re(e,t){let n="",i=e.tabSize;if(9==e.facet(Te).charCodeAt(0))for(;t>=i;)n+="\t",t-=i;for(let r=0;r<t;r++)n+=" ";return n}function Le(e,t){e instanceof h.EditorState&&(e=new _e(e));for(let i of e.state.facet(Be)){let n=i(e,t);if(void 0!==n)return n}let n=ke(e.state);return n?function(e,t,n){return Ve(t.resolveInner(n).enterUnfinishedNodesBefore(n),n,e)}(e,n,t):null}class _e{constructor(e,t={}){this.state=e,this.options=t,this.unit=Ne(e)}lineAt(e,t=1){let n=this.state.doc.lineAt(e),{simulateBreak:i,simulateDoubleBreak:r}=this.options;return null!=i&&i>=n.from&&i<=n.to?r&&i==e?{text:"",from:e}:(t<0?i<e:i<=e)?{text:n.text.slice(i-n.from),from:i}:{text:n.text.slice(0,i-n.from),from:n.from}:n}textAfterPos(e,t=1){if(this.options.simulateDoubleBreak&&e==this.options.simulateBreak)return"";let{text:n,from:i}=this.lineAt(e,t);return n.slice(e-i,Math.min(n.length,e+100-i))}column(e,t=1){let{text:n,from:i}=this.lineAt(e,t),r=this.countColumn(n,e-i),o=this.options.overrideIndentation?this.options.overrideIndentation(i):-1;return o>-1&&(r+=o-this.countColumn(n,n.search(/\S|$/))),r}countColumn(e,t=e.length){return(0,h.countColumn)(e,this.state.tabSize,t)}lineIndent(e,t=1){let{text:n,from:i}=this.lineAt(e,t),r=this.options.overrideIndentation;if(r){let e=r(i);if(e>-1)return e}return this.countColumn(n,n.search(/\S|$/))}get simulatedBreak(){return this.options.simulateBreak||null}}const Fe=new m;function We(e){let t=e.type.prop(Fe);if(t)return t;let n,i=e.firstChild;if(i&&(n=i.type.prop(m.closedBy))){let t=e.lastChild,i=t&&n.indexOf(t.name)>-1;return e=>Ue(e,!0,1,void 0,i&&!function(e){return e.pos==e.options.simulateBreak&&e.options.simulateDoubleBreak}(e)?t.from:void 0)}return null==e.parent?je:null}function Ve(e,t,n){for(;e;e=e.parent){let i=We(e);if(i)return i(qe.create(n,t,e))}return null}function je(){return 0}class qe extends _e{constructor(e,t,n){super(e.state,e.options),this.base=e,this.pos=t,this.node=n}static create(e,t,n){return new qe(e,t,n)}get textAfter(){return this.textAfterPos(this.pos)}get baseIndent(){let e=this.state.doc.lineAt(this.node.from);for(;;){let t=this.node.resolve(e.from);for(;t.parent&&t.parent.from==t.from;)t=t.parent;if(ze(t,this.node))break;e=this.state.doc.lineAt(t.from)}return this.lineIndent(e.from)}continue(){let e=this.node.parent;return e?Ve(e,this.pos,this.base):0}}function ze(e,t){for(let n=t;n;n=n.parent)if(e==n)return!0;return!1}function Ue(e,t,n,i,r){let o=e.textAfter,s=o.match(/^\s*/)[0].length,l=i&&o.slice(s,s+i.length)==i||r==e.pos+s,a=t?function(e){let t=e.node,n=t.childAfter(t.from),i=t.lastChild;if(!n)return null;let r=e.options.simulateBreak,o=e.state.doc.lineAt(n.from),s=null==r||r<=o.from?o.to:Math.min(o.to,r);for(let l=n.to;;){let e=t.childAfter(l);if(!e||e==i)return null;if(!e.type.isSkipped)return e.from<s?n:null;l=e.to}}(e):null;return a?l?e.column(a.from):e.column(a.to):e.baseIndent+(l?0:e.unit*n)}const $e=h.Facet.define(),He=new m;function Je(e){let t=e.lastChild;return t&&t.to==e.to&&t.type.isError}function Ge(e,t,n){for(let i of e.facet($e)){let r=i(e,t,n);if(r)return r}return function(e,t,n){let i=ke(e);if(i.length<n)return null;let r=null;for(let o=i.resolveInner(n,1);o;o=o.parent){if(o.to<=n||o.from>n)continue;if(r&&o.from<t)break;let s=o.type.prop(He);if(s&&(o.to<i.length-50||i.length==e.doc.length||!Je(o))){let i=s(o,e);i&&i.from<=n&&i.from>=t&&i.to>n&&(r=i)}}return r}(e,t,n)}function Ke(e,t){let n=t.mapPos(e.from,1),i=t.mapPos(e.to,-1);return n>=i?void 0:{from:n,to:i}}const Qe=h.StateEffect.define({map:Ke}),Ye=h.StateEffect.define({map:Ke});function Xe(e){let t=[];for(let{head:n}of e.state.selection.ranges)t.some((e=>e.from<=n&&e.to>=n))||t.push(e.lineBlockAt(n));return t}const Ze=h.StateField.define({create:()=>u.Decoration.none,update(e,t){e=e.map(t.changes);for(let n of t.effects)n.is(Qe)&&!tt(e,n.value.from,n.value.to)?e=e.update({add:[at.range(n.value.from,n.value.to)]}):n.is(Ye)&&(e=e.update({filter:(e,t)=>n.value.from!=e||n.value.to!=t,filterFrom:n.value.from,filterTo:n.value.to}));if(t.selection){let n=!1,{head:i}=t.selection.main;e.between(i,i,((e,t)=>{e<i&&t>i&&(n=!0)})),n&&(e=e.update({filterFrom:i,filterTo:i,filter:(e,t)=>t<=i||e>=i}))}return e},provide:e=>u.EditorView.decorations.from(e),toJSON(e,t){let n=[];return e.between(0,t.doc.length,((e,t)=>{n.push(e,t)})),n},fromJSON(e){if(!Array.isArray(e)||e.length%2)throw new RangeError("Invalid JSON for fold state");let t=[];for(let n=0;n<e.length;){let i=e[n++],r=e[n++];if("number"!=typeof i||"number"!=typeof r)throw new RangeError("Invalid JSON for fold state");t.push(at.range(i,r))}return u.Decoration.set(t,!0)}});function et(e,t,n){var i;let r=null;return null===(i=e.field(Ze,!1))||void 0===i||i.between(t,n,((e,t)=>{(!r||r.from>e)&&(r={from:e,to:t})})),r}function tt(e,t,n){let i=!1;return e.between(t,t,((e,r)=>{e==t&&r==n&&(i=!0)})),i}function nt(e,t){return e.field(Ze,!1)?t:t.concat(h.StateEffect.appendConfig.of(lt()))}function it(e,t,n=!0){let i=e.state.doc.lineAt(t.from).number,r=e.state.doc.lineAt(t.to).number;return u.EditorView.announce.of(`${e.state.phrase(n?"Folded lines":"Unfolded lines")} ${i} ${e.state.phrase("to")} ${r}.`)}const rt=[{key:"Ctrl-Shift-[",mac:"Cmd-Alt-[",run:e=>{for(let t of Xe(e)){let n=Ge(e.state,t.from,t.to);if(n)return e.dispatch({effects:nt(e.state,[Qe.of(n),it(e,n)])}),!0}return!1}},{key:"Ctrl-Shift-]",mac:"Cmd-Alt-]",run:e=>{if(!e.state.field(Ze,!1))return!1;let t=[];for(let n of Xe(e)){let i=et(e.state,n.from,n.to);i&&t.push(Ye.of(i),it(e,i,!1))}return t.length&&e.dispatch({effects:t}),t.length>0}},{key:"Ctrl-Alt-[",run:e=>{let{state:t}=e,n=[];for(let i=0;i<t.doc.length;){let r=e.lineBlockAt(i),o=Ge(t,r.from,r.to);o&&n.push(Qe.of(o)),i=(o?e.lineBlockAt(o.to):r).to+1}return n.length&&e.dispatch({effects:nt(e.state,n)}),!!n.length}},{key:"Ctrl-Alt-]",run:e=>{let t=e.state.field(Ze,!1);if(!t||!t.size)return!1;let n=[];return t.between(0,e.state.doc.length,((e,t)=>{n.push(Ye.of({from:e,to:t}))})),e.dispatch({effects:n}),!0}}],ot={placeholderDOM:null,placeholderText:"\u2026"},st=h.Facet.define({combine:e=>(0,h.combineConfig)(e,ot)});function lt(e){let t=[Ze,ut];return e&&t.push(st.of(e)),t}const at=u.Decoration.replace({widget:new class extends u.WidgetType{toDOM(e){let{state:t}=e,n=t.facet(st),i=t=>{let n=e.lineBlockAt(e.posAtDOM(t.target)),i=et(e.state,n.from,n.to);i&&e.dispatch({effects:Ye.of(i)}),t.preventDefault()};if(n.placeholderDOM)return n.placeholderDOM(e,i);let r=document.createElement("span");return r.textContent=n.placeholderText,r.setAttribute("aria-label",t.phrase("folded code")),r.title=t.phrase("unfold"),r.className="cm-foldPlaceholder",r.onclick=i,r}}}),ct={openText:"\u2304",closedText:"\u203a",markerDOM:null,domEventHandlers:{},foldingChanged:()=>!1};class ht extends u.GutterMarker{constructor(e,t){super(),this.config=e,this.open=t}eq(e){return this.config==e.config&&this.open==e.open}toDOM(e){if(this.config.markerDOM)return this.config.markerDOM(this.open);let t=document.createElement("span");return t.textContent=this.open?this.config.openText:this.config.closedText,t.title=e.state.phrase(this.open?"Fold line":"Unfold line"),t}}const ut=u.EditorView.baseTheme({".cm-foldPlaceholder":{backgroundColor:"#eee",border:"1px solid #ddd",color:"#888",borderRadius:".2em",margin:"0 1px",padding:"0 1px",cursor:"pointer"},".cm-foldGutter span":{padding:"0 1px",cursor:"pointer"}});class ft{constructor(e,t){let n;function i(e){let t=me.newName();return(n||(n=Object.create(null)))["."+t]=e,t}this.specs=e;const r="string"==typeof t.all?t.all:t.all?i(t.all):void 0,o=t.scope;this.scope=o instanceof we?e=>e.prop(be)==o.data:o?e=>e==o:void 0,this.style=J(e.map((e=>({tag:e.tag,class:e.class||i(Object.assign({},e,{tag:null}))}))),{all:r}).style,this.module=n?new me(n):null,this.themeType=t.themeType}static define(e,t){return new ft(e,t||{})}}const dt=h.Facet.define(),pt=h.Facet.define({combine:e=>e.length?[e[0]]:null});function mt(e){let t=e.facet(dt);return t.length?t:e.facet(pt)}function gt(e,t){let n,i=[vt];return e instanceof ft&&(e.module&&i.push(u.EditorView.styleModule.of(e.module)),n=e.themeType),(null===t||void 0===t?void 0:t.fallback)?i.push(pt.of(e)):n?i.push(dt.computeN([u.EditorView.darkTheme],(t=>t.facet(u.EditorView.darkTheme)==("dark"==n)?[e]:[]))):i.push(dt.of(e)),i}class yt{constructor(e){this.markCache=Object.create(null),this.tree=ke(e.state),this.decorations=this.buildDeco(e,mt(e.state))}update(e){let t=ke(e.state),n=mt(e.state),i=n!=mt(e.startState);t.length<e.view.viewport.to&&!i&&t.type==this.tree.type?this.decorations=this.decorations.map(e.changes):(t!=this.tree||e.viewportChanged||i)&&(this.tree=t,this.decorations=this.buildDeco(e.view,n))}buildDeco(e,t){if(!t||!this.tree.length)return u.Decoration.none;let n=new h.RangeSetBuilder;for(let{from:i,to:r}of e.visibleRanges)G(this.tree,t,((e,t,i)=>{n.add(e,t,this.markCache[i]||(this.markCache[i]=u.Decoration.mark({class:i})))}),i,r);return n.finish()}}const vt=h.Prec.high(u.ViewPlugin.fromClass(yt,{decorations:e=>e.decorations})),bt=ft.define([{tag:ue.meta,color:"#7a757a"},{tag:ue.link,textDecoration:"underline"},{tag:ue.heading,textDecoration:"underline",fontWeight:"bold"},{tag:ue.emphasis,fontStyle:"italic"},{tag:ue.strong,fontWeight:"bold"},{tag:ue.strikethrough,textDecoration:"line-through"},{tag:ue.keyword,color:"#708"},{tag:[ue.atom,ue.bool,ue.url,ue.contentSeparator,ue.labelName],color:"#219"},{tag:[ue.literal,ue.inserted],color:"#164"},{tag:[ue.string,ue.deleted],color:"#a11"},{tag:[ue.regexp,ue.escape,ue.special(ue.string)],color:"#e40"},{tag:ue.definition(ue.variableName),color:"#00f"},{tag:ue.local(ue.variableName),color:"#30a"},{tag:[ue.typeName,ue.namespace],color:"#085"},{tag:ue.className,color:"#167"},{tag:[ue.special(ue.variableName),ue.macroName],color:"#256"},{tag:ue.definition(ue.propertyName),color:"#00c"},{tag:ue.comment,color:"#940"},{tag:ue.invalid,color:"#f00"}]),wt=u.EditorView.baseTheme({"&.cm-focused .cm-matchingBracket":{backgroundColor:"#328c8252"},"&.cm-focused .cm-nonmatchingBracket":{backgroundColor:"#bb555544"}}),xt="()[]{}",kt=h.Facet.define({combine:e=>(0,h.combineConfig)(e,{afterCursor:!0,brackets:xt,maxScanDistance:1e4,renderMatch:At})}),St=u.Decoration.mark({class:"cm-matchingBracket"}),Ct=u.Decoration.mark({class:"cm-nonmatchingBracket"});function At(e){let t=[],n=e.matched?St:Ct;return t.push(n.range(e.start.from,e.start.to)),e.end&&t.push(n.range(e.end.from,e.end.to)),t}const Et=h.StateField.define({create:()=>u.Decoration.none,update(e,t){if(!t.docChanged&&!t.selection)return e;let n=[],i=t.state.facet(kt);for(let r of t.state.selection.ranges){if(!r.empty)continue;let e=Dt(t.state,r.head,-1,i)||r.head>0&&Dt(t.state,r.head-1,1,i)||i.afterCursor&&(Dt(t.state,r.head,1,i)||r.head<t.state.doc.length&&Dt(t.state,r.head+1,-1,i));e&&(n=n.concat(i.renderMatch(e,t.state)))}return u.Decoration.set(n,!0)},provide:e=>u.EditorView.decorations.from(e)}),Ot=[Et,wt];function Mt(e,t,n){