perf(@angular/build): only reset Sass worker pool caches when stylesheet files change - #34117
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This pull request optimizes the build process by conditionally resetting the Sass worker pool caches only when stylesheet changes (Sass, SCSS, or CSS) are detected. However, the current implementation attempts to call the ".some()" method on "changes.all", which is a Set and will result in a runtime TypeError. It is recommended to use a "for...of" loop to iterate over the set and check for stylesheet changes, allowing for an early exit.
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Sep 21, 2026
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Avoid resetting the Sass worker pool caches during watch rebuilds if no stylesheet files (
.scss,.sass,.css) were modified.