CLI: Fix onboarding not opening

[ndelangen]

Closes #

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

Caution

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 publish.yml --field pr=<PR_NUMBER>

Summary by CodeRabbit

• Documentation

  • Added clarifying comments about framework-specific command behavior.

• Refactor

  • Improved internal code structure for better maintainability.

Note: This release contains no user-facing changes. Updates are internal improvements only.

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[nx-cloud]

View your CI Pipeline Execution ↗ for commit 26dfe51

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nx run-many -t compile,check,knip,test,pretty-d...	✅ Succeeded	8m 23s	View ↗

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☁️ Nx Cloud last updated this comment at 2026-01-21 10:38:48 UTC

[coderabbitai]

📝 Walkthrough

Walkthrough

Restructured flag-handling logic in runStorybookDev within initiate.ts, rebalancing conditional braces and adding a clarifying comment about Angular's ng run limitations. No functional behavior changes; updates are purely structural and documentation-focused within the conditional blocks.

Changes

Cohort / File(s)	Summary
Flag-handling restructuring in initiate code/lib/create-storybook/src/initiate.ts	Added clarifying comment on Angular's ng run flag limitations; rebalanced conditional braces in runStorybookDev's flag-handling block to ensure onboarding and quiet flags are applied only when supported

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

Possibly related PRs

• CLIInitiate: Simplify the CLI init port flag detection #33546: Modifies the same Angular special-case flag-handling logic in initiate.ts
• Initiate: Fix used port flag handling #33544: Restructures conditional/brace layout and flag application in runStorybookDev's flag-handling block
• CLI: Detect free port when running dev during initiate #33532: Adds port-detection and port-flag insertion to the same runStorybookDev logic

✨ Finishing touches

• 📝 Generate docstrings

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[storybook-app-bot]

Package Benchmarks

^{Commit: 26dfe51, ran on 21 January 2026 at 10:37:58 UTC}

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

@storybook/builder-webpack5

	Before	After	Difference
Dependency count	192	192	0
Self size	75 KB	75 KB	🎉 -6 B 🎉
Dependency size	32.24 MB	32.25 MB	🚨 +11 KB 🚨
Bundle Size Analyzer	Link	Link

storybook

	Before	After	Difference
Dependency count	49	49	0
Self size	20.30 MB	20.32 MB	🚨 +21 KB 🚨
Dependency size	16.52 MB	16.52 MB	🎉 -4 B 🎉
Bundle Size Analyzer	Link	Link

@storybook/ember

	Before	After	Difference
Dependency count	196	196	0
Self size	15 KB	15 KB	🚨 +12 B 🚨
Dependency size	28.96 MB	28.97 MB	🚨 +11 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/nextjs

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Dependency count	538	538	0
Self size	646 KB	646 KB	🎉 -10 B 🎉
Dependency size	59.22 MB	59.73 MB	🚨 +505 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/nextjs-vite

	Before	After	Difference
Dependency count	127	127	0
Self size	1.12 MB	1.12 MB	🚨 +14 B 🚨
Dependency size	21.82 MB	22.32 MB	🚨 +496 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/react-native-web-vite

	Before	After	Difference
Dependency count	159	159	0
Self size	30 KB	30 KB	🚨 +8 B 🚨
Dependency size	23.00 MB	23.61 MB	🚨 +610 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/react-vite

	Before	After	Difference
Dependency count	117	117	0
Self size	35 KB	35 KB	🎉 -8 B 🎉
Dependency size	19.62 MB	20.11 MB	🚨 +496 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/react-webpack5

	Before	After	Difference
Dependency count	278	278	0
Self size	24 KB	24 KB	🎉 -10 B 🎉
Dependency size	44.13 MB	44.64 MB	🚨 +505 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/server-webpack5

	Before	After	Difference
Dependency count	204	204	0
Self size	16 KB	16 KB	🎉 -10 B 🎉
Dependency size	33.49 MB	33.50 MB	🚨 +11 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/cli

	Before	After	Difference
Dependency count	183	183	0
Self size	775 KB	775 KB	🚨 +219 B 🚨
Dependency size	67.38 MB	67.47 MB	🚨 +92 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/codemod

	Before	After	Difference
Dependency count	176	176	0
Self size	30 KB	30 KB	🎉 -4 B 🎉
Dependency size	65.95 MB	66.05 MB	🚨 +92 KB 🚨
Bundle Size Analyzer	Link	Link

create-storybook

	Before	After	Difference
Dependency count	50	50	0
Self size	1000 KB	999 KB	🎉 -50 B 🎉
Dependency size	36.82 MB	36.84 MB	🚨 +21 KB 🚨
Bundle Size Analyzer	node	node

@storybook/preset-react-webpack

	Before	After	Difference
Dependency count	170	170	0
Self size	18 KB	18 KB	🚨 +18 B 🚨
Dependency size	31.26 MB	31.28 MB	🚨 +11 KB 🚨
Bundle Size Analyzer	Link	Link

@storybook/react

	Before	After	Difference
Dependency count	57	57	0
Self size	732 KB	1.23 MB	🚨 +494 KB 🚨
Dependency size	12.94 MB	12.94 MB	🚨 +2 KB 🚨
Bundle Size Analyzer	Link	Link