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fixed title extraction to exclude latex code, but include rendered latex (#946)

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Signed-off-by: Philip Molares <philip.molares@udo.edu>
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Philip Molares 2021-01-12 18:18:56 +01:00 • committed by GitHub
parent 3db6bcf892
commit 9330adf564
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2 changed files with 17 additions and 2 deletions
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5
src/components/markdown-renderer/hooks/use-extract-first-headline.ts
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@ -9,6 +9,11 @@ import React, { useCallback, useEffect } from 'react'
export const useExtractFirstHeadline = (documentElement: React.RefObject<HTMLDivElement>, content: string, onFirstHeadingChange?: (firstHeading: string | undefined) => void): void => {
const extractInnerText = useCallback((node: ChildNode): string => {
let innerText = ''
if ((node as HTMLElement).classList?.contains("katex-mathml")) {
return ''
}
if (node.childNodes && node.childNodes.length > 0) {
node.childNodes.forEach((child) => { innerText += extractInnerText(child) })
} else if (node.nodeName === 'IMG') {