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54 lines
1.5 KiB
TypeScript
54 lines
1.5 KiB
TypeScript
import { useRef, useEffect, type FC } from 'react'
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// @ts-ignore
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import Linkify from 'react-linkify'
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import useIsMounted from '../../../shared/hooks/use-is-mounted'
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import { configureMathJax } from '../../mathjax/configure'
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import { loadMathJax } from '../../mathjax/load-mathjax'
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const MessageContent: FC<{ content: string }> = ({ content }) => {
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const root = useRef<HTMLDivElement | null>(null)
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const mounted = useIsMounted()
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useEffect(() => {
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if (root.current) {
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// adds attributes to all the links generated by <Linkify/>, required due to https://github.com/tasti/react-linkify/issues/99
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for (const a of root.current.getElementsByTagName('a')) {
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a.setAttribute('target', '_blank')
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a.setAttribute('rel', 'noreferrer noopener')
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}
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// MathJax v2 typesetting
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if (window.MathJax?.Hub) {
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const { Hub } = window.MathJax
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const timeout = setTimeout(() => {
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configureMathJax()
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Hub.Queue(['Typeset', Hub, root.current])
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}, 0)
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return () => clearTimeout(timeout)
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}
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// MathJax v3 typesetting
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loadMathJax()
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.then(MathJax => {
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if (mounted.current) {
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MathJax.typesetPromise([root.current]).catch((error: Error) => {
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console.error(error)
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})
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}
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})
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.catch(error => {
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console.error(error)
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})
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}
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}, [content, mounted])
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return (
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<p ref={root}>
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<Linkify>{content}</Linkify>
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</p>
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)
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}
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export default MessageContent
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