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Merge pull request #6565 from SimonBrandner/fix/codeblock-expand/18388

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Fix missing expand button on codeblocks
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Travis Ralston 2021-08-06 09:42:13 -06:00 committed by GitHub
commit b2a2b35243
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1 changed files with 2 additions and 1 deletions
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src/components/views/messages/TextualBody.tsx
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@ -136,7 +136,8 @@ export default class TextualBody extends React.Component<IBodyProps, IState> {
private addCodeExpansionButton(div: HTMLDivElement, pre: HTMLPreElement): void {
// Calculate how many percent does the pre element take up.
// If it's less than 30% we don't add the expansion button.
const percentageOfViewport = pre.offsetHeight / UIStore.instance.windowHeight * 100;
// We also round the number as it sometimes can be 29.99...
const percentageOfViewport = Math.round(pre.offsetHeight / UIStore.instance.windowHeight * 100);
if (percentageOfViewport < 30) return;
const button = document.createElement("span");