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Components: use the __unsafe_useEmotionCache in the useCx hook #33982

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merged 5 commits into from
Aug 11, 2021

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ciampo
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@ciampo ciampo commented Aug 10, 2021

Description

A recent change in Emotion exposed the __unsafe_useEmotionCache() hook.

This PR updates the package versions of @emotion/react and @emotion/cache and uses this newly exposed function in the useCx hook, instead of exposing the private CacheProvider._context variable directly.

How has this been tested?

  • Project builds, tests pass
  • Components in Storybook work as expected (in particular, the useCx Storybook story)

Screenshots

N/A

Types of changes

Refactor

Checklist:

  • My code is tested.
  • My code follows the WordPress code style.
  • My code follows the accessibility standards.
  • I've tested my changes with keyboard and screen readers.
  • My code has proper inline documentation.
  • I've included developer documentation if appropriate.
  • N/A I've updated all React Native files affected by any refactorings/renamings in this PR (please manually search all *.native.js files for terms that need renaming or removal).

@ciampo ciampo added [Type] Code Quality Issues or PRs that relate to code quality [Package] Components /packages/components [Feature] Component System WordPress component system labels Aug 10, 2021
@ciampo ciampo self-assigned this Aug 10, 2021
Comment on lines 46 to 50
if ( cache === null ) {
return '';
}
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Not sure if there's a better return value in case cache is null

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If the cache is null I think we should throw an error on line 43. It would indicate that useCx is being called outside of an Emotion Cache Context which is not valid, right?

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Done in 40bd650 (#33982).

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github-actions bot commented Aug 10, 2021

Size Change: -60 B (0%)

Total Size: 1.03 MB

Filename Size Change
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ℹ️ View Unchanged
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LGTM! One thing to consider (I really think we should probably raise an error in that case rather than silently failing) but otherwise looks good.

Comment on lines 46 to 50
if ( cache === null ) {
return '';
}
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If the cache is null I think we should throw an error on line 43. It would indicate that useCx is being called outside of an Emotion Cache Context which is not valid, right?

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@diegohaz diegohaz left a comment

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This looks good! Thanks!

@ciampo ciampo force-pushed the update/emotion-use-emotion-cache branch from a59b50b to 40bd650 Compare August 11, 2021 07:35
@ciampo ciampo merged commit fce770a into trunk Aug 11, 2021
@ciampo ciampo deleted the update/emotion-use-emotion-cache branch August 11, 2021 08:15
@github-actions github-actions bot added this to the Gutenberg 11.3 milestone Aug 11, 2021
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