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Chromatic CLI

Publishes your Storybook to Chromatic and kicks off tests if they're enabled.

Published on npm Tested with Chromatic

Documentation

👉 Read the Chromatic CLI docs

📝 View the Changelog

System requirements

The Chromatic CLI (and GitHub Action) is built to run in a variety of environments. We provide support for the following platforms:

  • Latest (LTS) versions of Ubuntu, Windows (Server), macOS
  • Node.js Current, Active or Maintenance (LTS) versions, according to their release schedule
  • Storybook 6.5+

Other platforms/versions may work, but are not officially supported. Certain features may not be available on certain platforms/versions, even if otherwise supported.

Contributing

Contributions of any kind are welcome! We're available to chat via the Intercom widget on the documentation site.

Compatibility & versioning

Compatibility is guaranteed between this package and Chromatic like so:

  • Production Chromatic ensures it’s compatible with what’s on npm
  • What's on the Git tag is equal to what's published on npm for that version
  • This package ensures it’s compatible with production Chromatic

To facilitate upgrading in the future, removing and adding features, this is the process:

  • Any new features will have to be on Chromatic production before they could be used in this package
  • We can add feature flags to be able to test new functionality
  • Chromatic production can not remove any features this package depends on until after the usage has been removed from this package in addition to a grace period to allow users to upgrade

Building and running locally

This project uses yarn 4. If you have yarn 1 installed globally, it is recommended that you run corepack enable so that the version of yarn set in packageManager in package.json is used for this project. You may have to install corepack, see the installation instructions for more information.

  1. Ensure yarn -v shows that you're using yarn 4 for the project
  2. Install all dependencies with yarn install
  3. Build + watch the code locally: yarn dev
  4. Run a build of all the CLI's stories against a Chromatic project: yarn chromatic -t <token>.

Running against staging

CHROMATIC_INDEX_URL=https://index.staging-chromatic.com yarn chromatic -t <token>

Running against development

To test against a local development version of the Chromatic stack, use

CHROMATIC_INDEX_URL=https://index.dev-chromatic.com yarn chromatic -t <token>

To only test a small number of test stories as a smoke test, use:

SMOKE_TEST=1 CHROMATIC_INDEX_URL=https://index.dev-chromatic.com yarn chromatic -t <token>

Publishing a new version

We use auto to automate the release process. Versions are bumped, tags are created and the changelog is updated automatically. A new release goes out whenever a PR is merged to main. A PR must have exactly one of the following labels before merging:

  • major triggers a major version bump
  • minor triggers a minor version bump
  • patch triggers a patch version bump

Additionally, a PR may have exactly one of these labels:

  • release creates a latest release on npm
  • skip-release does not create a release at all (changes roll into the next release)

We have two types of releases:

  • latest releases are the general audience production releases, used by most people. Automatically created when merging a PR with the release label.
  • canary releases are intended for testing purposes and should not be used in production, as they may only work against a staging or dev environment. Automatically created on every PR, but does not auto-publish the GitHub Action.

For GitHub Actions, we may manually publish chromaui/action-canary.

A script is provided to manually publish the GitHub Action, though it's typically only necessary for action-canary releases:

yarn publish-action <canary|latest>