CLI: Corrected Next.js createScript for pnpm.

[zhyd1997]

Closes #30291

What I did

pnpm create next-app@^14 . --typescript --use-pnpm --eslint --tailwind --no-app --import-alias="@/*" --src-dir

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	77.9 MB	77.9 MB	298 B	1.11	0%
initSize	131 MB	131 MB	412 B	1.2	0%
diffSize	53 MB	53 MB	114 B	1.25	0%
buildSize	7.19 MB	7.19 MB	0 B	0.82	0%
buildSbAddonsSize	1.85 MB	1.85 MB	0 B	-0.82	0%
buildSbCommonSize	195 kB	195 kB	0 B	-	0%
buildSbManagerSize	1.87 MB	1.87 MB	0 B	0.82	0%
buildSbPreviewSize	0 B	0 B	0 B	-	-
buildStaticSize	0 B	0 B	0 B	-	-
buildPrebuildSize	3.91 MB	3.91 MB	0 B	0.82	0%
buildPreviewSize	3.28 MB	3.28 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	26.1s	24s	-2s -176ms	1.44	🔰-9.1%
generateTime	18.6s	19.8s	1.1s	-0.64	5.9%
initTime	12.5s	14.4s	1.8s	-0.12	13.2%
buildTime	10.2s	8.7s	-1s -469ms	-0.68	-16.8%
testBuildTime	0ms	0ms	0ms	-	-
devPreviewResponsive	4.6s	5.3s	657ms	0.94	12.3%
devManagerResponsive	3.3s	3.8s	430ms	1.22	11.3%
devManagerHeaderVisible	519ms	641ms	122ms	1.16	19%
devManagerIndexVisible	527ms	672ms	145ms	0.78	21.6%
devStoryVisibleUncached	1.8s	1s	-785ms	-3.25	🔰-72%
devStoryVisible	590ms	673ms	83ms	1.14	12.3%
devAutodocsVisible	508ms	624ms	116ms	1.93	🔺18.6%
devMDXVisible	494ms	569ms	75ms	0.65	13.2%
buildManagerHeaderVisible	552ms	720ms	168ms	3.36	🔺23.3%
buildManagerIndexVisible	654ms	737ms	83ms	1.78	🔺11.3%
buildStoryVisible	538ms	697ms	159ms	3.53	🔺22.8%
buildAutodocsVisible	439ms	517ms	78ms	0.87	15.1%
buildMDXVisible	420ms	533ms	113ms	2.15	🔺21.2%

Greptile Summary

Fixed incorrect version specifier format in Next.js project creation command for pnpm, resolving a 404 error during project initialization.

• Changed version specifier from next-app^14 to next-app@^14 in code/lib/create-storybook/src/scaffold-new-project.ts
• Fixed pnpm trying to fetch non-existent package 'create-next-app14'
• Aligned pnpm command syntax with npm/yarn version specifier format

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[greptile-apps]

LGTM

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[greptile-apps]

LGTM

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[nx-cloud]

View your CI Pipeline Execution ↗ for commit 6c6203b.

Command	Status	Duration	Result
nx run-many -t build --parallel=3	✅ Succeeded	1m 43s	View ↗

---

☁️ Nx Cloud last updated this comment at 2025-01-18 13:51:53 UTC

[greptile-apps]

LGTM

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[storybook-pr-benchmarking]

Package Benchmarks

^{Commit: 6c6203b, ran on 23 January 2025 at 11:22:32 UTC}

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

@storybook/react-native-web-vite

	Before	After	Difference
Dependency count	137	114	🎉 -23 🎉
Self size	43 KB	43 KB	🎉 -250 B 🎉
Dependency size	19.89 MB	18.25 MB	🎉 -1.64 MB 🎉
Bundle Size Analyzer	Link	Link

[greptile-apps]

LGTM

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