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"use strict";(self.webpackChunk_JUPYTERLAB_CORE_OUTPUT=self.webpackChunk_JUPYTERLAB_CORE_OUTPUT||[]).push([[9680,7812],{99680:(e,t,n)=>{n.r(t),n.d(t,{IMarkdownViewerTracker:()=>a,MarkdownDocument:()=>w,MarkdownViewer:()=>f,MarkdownViewerFactory:()=>_,MarkdownViewerTableOfContentsFactory:()=>s,MarkdownViewerTableOfContentsModel:()=>i});var r=n(79426);class i extends r.TableOfContentsModel{constructor(e,t,n){super(e,n),this.parser=t}get documentType(){return"markdown-viewer"}get isAlwaysActive(){return!0}get supportedOptions(){return["maximalDepth","numberingH1","numberHeaders"]}getHeadings(){const e=this.widget.context.model.toString(),t=r.TableOfContentsUtils.filterHeadings(r.TableOfContentsUtils.Markdown.getHeadings(e),{...this.configuration,baseNumbering:1});return Promise.resolve(t)}}class s extends r.TableOfContentsFactory{constructor(e,t,n){super(e),this.parser=t,this.sanitizer=n}_createNew(e,t){const n=new i(e,this.parser,t);let s=new WeakMap;const o=(t,n)=>{if(n){const t=s.get(n);if(t){const n=e.content.node.getBoundingClientRect(),r=t.getBoundingClientRect();(r.top>n.bottom||r.bottom<n.top)&&t.scrollIntoView({block:"center"})}else console.warn("Heading element not found for heading",n,"in widget",e)}},a=()=>{this.parser&&(r.TableOfContentsUtils.clearNumbering(e.content.node),s=new WeakMap,n.headings.forEach((async t=>{var n;const i=await r.TableOfContentsUtils.Markdown.getHeadingId(this.parser,t.raw,t.level,this.sanitizer);if(!i)return;const o=`h${t.level}[id="${CSS.escape(i)}"]`;s.set(t,r.TableOfContentsUtils.addPrefix(e.content.node,o,null!==(n=t.prefix)&&void 0!==n?n:""))})))};return e.content.ready.then((()=>{a(),e.content.rendered.connect(a),n.activeHeadingChanged.connect(o),n.headingsChanged.connect(a),e.disposed.connect((()=>{e.content.rendered.disconnect(a),n.activeHeadingChanged.disconnect(o),n.headingsChanged.disconnect(a)}))})),n}}var o=n(20998);const a=new o.Token("@jupyterlab/markdownviewer:IMarkdownViewerTracker","A widget tracker for markdown\n document viewers. 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