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null-guard dataset mxTheme to prevent html exports from exploding (#7493)

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Michael Telatynski 2022-01-10 11:34:56 +00:00 committed by GitHub
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commit f7d19a5746
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src/utils/exportUtils/exportCSS.ts
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@ -40,7 +40,7 @@ const getExportCSS = async (usedClasses: Set<string>): Promise<string> => {
// only include bundle.css and the data-mx-theme=light styling
const stylesheets = Array.from(document.styleSheets).filter(s => {
return s.href?.endsWith("bundle.css") ||
(s.ownerNode as HTMLStyleElement).dataset.mxTheme.toLowerCase() === "light";
(s.ownerNode as HTMLStyleElement).dataset.mxTheme?.toLowerCase() === "light";
});
let css = "";