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Merge pull request #5633 from SimonBrandner/fix-duplication

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Fix duplication of codeblock elements
This commit is contained in:
J. Ryan Stinnett 2021-02-10 13:43:33 +00:00 committed by GitHub
commit 2fa9880aea
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1 changed files with 14 additions and 10 deletions
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24
src/components/views/messages/TextualBody.js
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@ -96,6 +96,9 @@ export default class TextualBody extends React.Component {
const pres = ReactDOM.findDOMNode(this).getElementsByTagName("pre");
if (pres.length > 0) {
for (let i = 0; i < pres.length; i++) {
// If there already is a div wrapping the codeblock we want to skip this.
// This happens after the codeblock was edited.
if (pres[i].parentNode.className == "mx_EventTile_pre_container") continue;
// Wrap a div around <pre> so that the copy button can be correctly positioned
// when the <pre> overflows and is scrolled horizontally.
const div = this._wrapInDiv(pres[i]);
@ -110,16 +113,17 @@ export default class TextualBody extends React.Component {
// Highlight code
const codes = ReactDOM.findDOMNode(this).getElementsByTagName("code");
if (codes.length > 0) {
for (let i = 0; i < codes.length; i++) {
// Do this asynchronously: parsing code takes time and we don't
// need to block the DOM update on it.
setTimeout(() => {
if (this._unmounted) return;
for (let i = 0; i < pres.length; i++) {
this._highlightCode(codes[i]);
}
}, 10);
}
// Do this asynchronously: parsing code takes time and we don't
// need to block the DOM update on it.
setTimeout(() => {
if (this._unmounted) return;
for (let i = 0; i < codes.length; i++) {
// If the code already has the hljs class we want to skip this.
// This happens after the codeblock was edited.
if (codes[i].className.includes("hljs")) continue;
this._highlightCode(codes[i]);
}
}, 10);
}
}
}