CLI: Add CSF3 to CSF4 migration #30194
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| // Generate the transformed code | ||
| const { code } = babel.transformFromAstSync(fileNode, info.source, { | ||
| parserOpts: { sourceType: 'module' }, | ||
| }); | ||
| return code; |
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logic: No error handling around transformFromAstSync. Should catch potential transform failures and provide meaningful errors.
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| expect.addSnapshotSerializer({ | ||
| serialize: (val: any) => (typeof val === 'string' ? val : val.toString()), | ||
| test: () => true, | ||
| }); |
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logic: This serializer always returns true and could potentially cause issues with unexpected values. Consider adding type checking or more specific test conditions.
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Closes #
What I did
This is a tentative approach to migrating CSF3 to CSF4, having as a prerequisite that have already migrated from CSF1/2 to CSF3.
This PR also introduces a step in the sandbox creation which runs codemods only for a react-vite sandbox, so it turns its base stories (the ones used in E2E) to CSF4 so we can fully test them in our E2E suite.
Checklist for Contributors
Testing
The changes in this PR are covered in the following automated tests:
Manual testing
This section is mandatory for all contributions. If you believe no manual test is necessary, please state so explicitly. Thanks!
Documentation
MIGRATION.MD
Checklist for Maintainers
When this PR is ready for testing, make sure to add
ci:normal,ci:mergedorci:dailyGH label to it to run a specific set of sandboxes. The particular set of sandboxes can be found incode/lib/cli-storybook/src/sandbox-templates.tsMake 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.documentation: Documentation only changes. Will not show up in release changelog.feature request: Introducing a new feature.BREAKING CHANGE: Changes that break compatibility in some way with current major version.other: Changes that don't fit in the above categories.🦋 Canary release
This PR does not have a canary release associated. You can request a canary release of this pull request by mentioning the
@storybookjs/coreteam here.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
Based on the provided files, I'll create a concise summary of the changes in this PR:
Adds a new codemod to transform Storybook stories from CSF3 to CSF4 format, introducing factory functions for meta and story definitions.
csf-3-to-4.tstransform that automatically addsconfigimport from '#.storybook/preview'config.meta()callsmeta.story()callspackage.jsonto include new transform in exports and bundler entries