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fix(@angular/build): handle undefined less stylesheet sourcemap values #29722

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Merged
clydin merged 1 commit into from
Feb 28, 2025
Merged

fix(@angular/build): handle undefined less stylesheet sourcemap values #29722

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4 changes: 3 additions & 1 deletion packages/angular/build/src/tools/esbuild/stylesheets/less-language.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -130,7 +130,9 @@ async function compileString(
} as Less.Options);

return {
contents: options.sourcemap ? `${css}\n${sourceMapToUrlComment(map)}` : css,
// There can be cases where `less` will return an undefined `map` even
// though the types do not specify this as a possibility.
contents: map ? `${css}\n${sourceMapToUrlComment(map)}` : css,
loader: 'css',
watchFiles: [filename, ...imports],
};
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