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@yannbf yannbf commented May 6, 2025

Closes #30539

What I did

Checklist for Contributors

Testing

The changes in this PR are covered in the following automated tests:

  • stories
  • unit tests
  • integration tests
  • end-to-end tests

Manual testing

This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!

Documentation

  • Add or update documentation reflecting your changes
  • If you are deprecating/removing a feature, make sure to update
    MIGRATION.MD

Checklist for Maintainers

  • When this PR is ready for testing, make sure to add ci:normal, ci:merged or ci:daily GH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found in code/lib/cli-storybook/src/sandbox-templates.ts

  • Make sure this PR contains one of the labels below:

    Available labels
    • bug: Internal changes that fixes incorrect behavior.
    • maintenance: User-facing maintenance tasks.
    • dependencies: Upgrading (sometimes downgrading) dependencies.
    • build: Internal-facing build tooling & test updates. Will not show up in release changelog.
    • cleanup: Minor cleanup style change. Will not show up in release changelog.
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core team members can create a canary release here or locally with gh workflow run --repo storybookjs/storybook canary-release-pr.yml --field pr=<PR_NUMBER>

Greptile Summary

Modified the Promisify type utility in code/core/src/test/utils.ts to preserve generic type parameters when wrapping functions in promises, fixing TypeScript errors with expect matchers from @storybook/test.

  • Fixed Promisify type to maintain generic type parameters while wrapping functions in promises
  • Enables generic type arguments for expect matchers like toMatchObject<T>, toEqual<T>, etc.
  • Resolves TypeScript errors when using generic matchers from @storybook/test
  • Aligns behavior with Vitest's expect matchers that support generic type arguments

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LGTM

1 file(s) reviewed, no comment(s)
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nx-cloud bot commented May 6, 2025

View your CI Pipeline Execution ↗ for commit 0097227.

Command Status Duration Result
nx run-many -t build --parallel=3 ✅ Succeeded 1m 45s View ↗

☁️ Nx Cloud last updated this comment at 2025-05-06 16:19:28 UTC

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Package Benchmarks

Commit: 0097227, ran on 6 May 2025 at 16:24:46 UTC

The following packages have significant changes to their size or dependencies:

@storybook/nextjs

Before After Difference
Dependency count 535 535 0
Self size 215 KB 215 KB 0 B
Dependency size 58.62 MB 58.72 MB 🚨 +102 KB 🚨
Bundle Size Analyzer Link Link

@storybook/nextjs-vite

Before After Difference
Dependency count 129 129 0
Self size 2.39 MB 2.39 MB 0 B
Dependency size 22.40 MB 22.50 MB 🚨 +99 KB 🚨
Bundle Size Analyzer Link Link

@storybook/react-native-web-vite

Before After Difference
Dependency count 162 162 0
Self size 35 KB 35 KB 0 B
Dependency size 23.53 MB 23.63 MB 🚨 +99 KB 🚨
Bundle Size Analyzer Link Link

@storybook/react-vite

Before After Difference
Dependency count 122 122 0
Self size 32 KB 32 KB 0 B
Dependency size 20.50 MB 20.60 MB 🚨 +99 KB 🚨
Bundle Size Analyzer Link Link

@storybook/react-webpack5

Before After Difference
Dependency count 323 323 0
Self size 25 KB 25 KB 0 B
Dependency size 44.63 MB 44.73 MB 🚨 +99 KB 🚨
Bundle Size Analyzer Link Link

@storybook/vue3-vite

Before After Difference
Dependency count 104 104 0
Self size 34 KB 34 KB 0 B
Dependency size 42.68 MB 42.78 MB 🚨 +98 KB 🚨
Bundle Size Analyzer Link Link

@storybook/cli

Before After Difference
Dependency count 324 324 0
Self size 242 KB 242 KB 0 B
Dependency size 97.54 MB 97.64 MB 🚨 +103 KB 🚨
Bundle Size Analyzer Link Link

@storybook/codemod

Before After Difference
Dependency count 267 267 0
Self size 31 KB 31 KB 0 B
Dependency size 81.94 MB 82.05 MB 🚨 +103 KB 🚨
Bundle Size Analyzer Link Link

@storybook/preset-react-webpack

Before After Difference
Dependency count 175 175 0
Self size 24 KB 24 KB 0 B
Dependency size 30.17 MB 30.27 MB 🚨 +99 KB 🚨
Bundle Size Analyzer Link Link

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LGTM!

@yannbf yannbf merged commit cbda491 into next May 7, 2025
61 of 62 checks passed
@yannbf yannbf deleted the yann/fix-storybook-test-generics branch May 7, 2025 09:35
@github-actions github-actions bot mentioned this pull request May 7, 2025
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[Bug]: expect matchers from @storybook/test are unexpectedly not generic

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