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perf(@angular-devkit/build-angular): use Sass worker pool for Sass support in esbuild builder #24158

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merged 1 commit into from Oct 31, 2022

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@clydin clydin commented Oct 28, 2022

When using the experimental esbuild-based browser application builder, Sass stylesheets will now be processed using a worker pool that is currently also used by the default Webpack-based builder. This allows up to four stylesheets to be processed in parallel and keeps the main thread available for other build tasks. On projects with a large amount of Sass stylesheets, this change provided up to a 25% improvement in build times based on initial testing.

@clydin clydin added the target: rc This PR is targeted for the next release-candidate label Oct 28, 2022
@clydin clydin force-pushed the esbuild/sass-worker-pool branch 2 times, most recently from 2f0dc57 to bf0fd83 Compare October 28, 2022 16:25
…pport in esbuild builder

When using the experimental esbuild-based browser application builder, Sass stylesheets will
now be processed using a worker pool that is currently also used by the default Webpack-based
builder. This allows up to four stylesheets to be processed in parallel and keeps the main thread
available for other build tasks. On projects with a large amount of Sass stylesheets, this change
provided up to a 25% improvement in build times based on initial testing.
@alan-agius4 alan-agius4 added the action: merge The PR is ready for merge by the caretaker label Oct 31, 2022
@dgp1130 dgp1130 merged commit e1ca878 into angular:main Oct 31, 2022
@clydin clydin deleted the esbuild/sass-worker-pool branch October 31, 2022 17:10
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