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fix: avoid module concatenation in child compilation for module library #19457

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Merged
merged 2 commits into from
Apr 23, 2025

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alexander-akait
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What kind of change does this PR introduce?

fixes #19452

Did you add tests for your changes?

WIP

Does this PR introduce a breaking change?

No

What needs to be documented once your changes are merged?

Nothing

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github-actions bot commented Apr 23, 2025

Benchmarks:

  • "devtool-source-map": HEAD (d3c32b0) 643 ms ± 44 ms [632 ms; 653 ms] (51 runs)
  • "devtool-source-map": BASE (52dc193) 632 ms ± 42 ms [622 ms; 642 ms] (52 runs)
  • "devtool-source-map" change: HEAD (643 ms ± 44 ms [632 ms; 653 ms]) is -2% the same as BASE (BASE) (632 ms ± 42 ms [622 ms; 642 ms])

  • "many-chunks": HEAD (d3c32b0) 1075 ms ± 36 ms [1064 ms; 1086 ms] (32 runs)
  • "many-chunks": BASE (52dc193) 1076 ms ± 31 ms [1067 ms; 1086 ms] (32 runs)
  • "many-chunks" change: HEAD (1075 ms ± 36 ms [1064 ms; 1086 ms]) is 0% the same as BASE (BASE) (1076 ms ± 31 ms [1067 ms; 1086 ms])

  • "many-modules": HEAD (d3c32b0) 585 ms ± 28 ms [579 ms; 592 ms] (55 runs)
  • "many-modules": BASE (52dc193) 586 ms ± 32 ms [579 ms; 593 ms] (55 runs)
  • "many-modules" change: HEAD (585 ms ± 28 ms [579 ms; 592 ms]) is 0% the same as BASE (BASE) (586 ms ± 32 ms [579 ms; 593 ms])

  • "popular-libraries": HEAD (d3c32b0) 1437 ms ± 20 ms [1430 ms; 1444 ms] (25 runs)
  • "popular-libraries": BASE (52dc193) 1444 ms ± 26 ms [1435 ms; 1453 ms] (25 runs)
  • "popular-libraries" change: HEAD (1437 ms ± 20 ms [1430 ms; 1444 ms]) is 0% the same as BASE (BASE) (1444 ms ± 26 ms [1435 ms; 1453 ms])

@alexander-akait alexander-akait merged commit 519187b into main Apr 23, 2025
53 of 58 checks passed
@alexander-akait alexander-akait deleted the issue-19452 branch April 23, 2025 16:55
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Successfully merging this pull request may close these issues.

5.99.0+ breaks @vanilla-extract/webpack-plugin
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