Addon Test: Add support for previewHead

[ndelangen]

Closes #29776
Closes: #29775

What I did

• hoist the preset creation up
• load the preview-head.html (and related) files and replace content in vite's html file

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.
  • 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/core team 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>

name	before	after	diff	z	%
createSize	0 B	0 B	0 B	-	-
generateSize	77.7 MB	77.7 MB	0 B	-0.29	0%
initSize	133 MB	133 MB	3 kB	2.62	0%
diffSize	55.1 MB	55.1 MB	3 kB	2.61	0%
buildSize	6.87 MB	6.87 MB	0 B	0.89	0%
buildSbAddonsSize	1.51 MB	1.51 MB	0 B	2.65	0%
buildSbCommonSize	195 kB	195 kB	0 B	-	0%
buildSbManagerSize	1.86 MB	1.86 MB	0 B	2.64	0%
buildSbPreviewSize	0 B	0 B	0 B	-	-
buildStaticSize	0 B	0 B	0 B	-	-
buildPrebuildSize	3.57 MB	3.57 MB	0 B	2.64	0%
buildPreviewSize	3.3 MB	3.3 MB	0 B	0.82	0%
testBuildSize	0 B	0 B	0 B	-	-
testBuildSbAddonsSize	0 B	0 B	0 B	-	-
testBuildSbCommonSize	0 B	0 B	0 B	-	-
testBuildSbManagerSize	0 B	0 B	0 B	-	-
testBuildSbPreviewSize	0 B	0 B	0 B	-	-
testBuildStaticSize	0 B	0 B	0 B	-	-
testBuildPrebuildSize	0 B	0 B	0 B	-	-
testBuildPreviewSize	0 B	0 B	0 B	-	-

name	before	after	diff	z	%
createTime	8.7s	7.5s	-1s -200ms	-0.87	-15.8%
generateTime	24.5s	21.8s	-2s -679ms	0.19	-12.2%
initTime	14.4s	16.7s	2.3s	1.2	14.1%
buildTime	8.8s	8.1s	-694ms	-1.37	🔰-8.5%
testBuildTime	0ms	0ms	0ms	-	-
devPreviewResponsive	4.5s	4.7s	144ms	-0.5	3.1%
devManagerResponsive	3.5s	3.6s	60ms	-0.14	1.7%
devManagerHeaderVisible	467ms	535ms	68ms	-0.38	12.7%
devManagerIndexVisible	494ms	565ms	71ms	-0.64	12.6%
devStoryVisibleUncached	970ms	1.7s	786ms	0.25	44.8%
devStoryVisible	537ms	566ms	29ms	-0.95	5.1%
devAutodocsVisible	430ms	458ms	28ms	-1.04	6.1%
devMDXVisible	435ms	492ms	57ms	-0.36	11.6%
buildManagerHeaderVisible	513ms	493ms	-20ms	-1.25	-4.1%
buildManagerIndexVisible	588ms	588ms	0ms	-1.07	0%
buildStoryVisible	464ms	459ms	-5ms	-1.15	-1.1%
buildAutodocsVisible	406ms	381ms	-25ms	-0.97	-6.6%
buildMDXVisible	375ms	382ms	7ms	-1.09	1.8%

Greptile Summary

Enhanced Vitest plugin to support custom HTML injection from Storybook's preview-head.html and preview-body.html files, along with programmatic preview head/body modifications via main.js configuration.

• Added support for previewHead and previewBody configuration in code/addons/test/src/vitest-plugin/index.ts
• Implemented transformIndexHtml hook to inject HTML snippets from Storybook presets
• Fixed critical bug where HTML transformations were not being assigned back to html parameter
• Hoisted preset creation for better configuration management
• Added support for environment-specific script injection through main.js configuration

[nx-cloud]

☁️ Nx Cloud Report

CI is running/has finished running commands for commit dc9b515. As they complete they will appear below. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this CI Pipeline Execution

---

✅ Successfully ran 1 target

• nx run-many -t build --parallel=3

---

Sent with 💌 from NxCloud.

[greptile-apps]

_{1 file(s) reviewed, 1 comment(s)
Edit PR Review Bot Settings | Greptile}