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fix(toc): post toc after rendering instead of during

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Signed-off-by: Tilman Vatteroth <git@tilmanvatteroth.de>
This commit is contained in:
Tilman Vatteroth 2023-06-06 22:08:12 +02:00
parent b04b5cc3e1
commit b0c3ed9f8b
1 changed files with 20 additions and 14 deletions
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34
frontend/src/extensions/essential-app-extensions/table-of-contents/table-of-contents-markdown-extension.ts
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@ -16,22 +16,28 @@ import type MarkdownIt from 'markdown-it'
export class TableOfContentsMarkdownExtension extends EventMarkdownRendererExtension {
public static readonly EVENT_NAME = 'TocChange'
private lastAst: TocAst | undefined = undefined
private postAst = false
public configureMarkdownIt(markdownIt: MarkdownIt): void {
const eventEmitter = this.eventEmitter
if (eventEmitter !== undefined) {
toc(markdownIt, {
listType: 'ul',
level: [1, 2, 3],
callback: (ast: TocAst): void => {
if (equal(ast, this.lastAst)) {
return
}
this.lastAst = ast
eventEmitter.emit(TableOfContentsMarkdownExtension.EVENT_NAME, ast)
},
slugify: tocSlugify
})
toc(markdownIt, {
listType: 'ul',
level: [1, 2, 3],
callback: (ast: TocAst): void => {
if (equal(ast, this.lastAst)) {
return
}
this.lastAst = ast
this.postAst = true
},
slugify: tocSlugify
})
}
public doAfterRendering(): void {
if (!this.postAst) {
return
}
this.postAst = false
this.eventEmitter.emit(TableOfContentsMarkdownExtension.EVENT_NAME, this.lastAst)
}
}