changeset.yml

name: changeset

# Every PR that changes a publishable package must carry a changeset (see .changeset/README.md).
# Label the PR `no changeset` to skip, e.g. for docs or CI-only changes inside a package.
# The "Version Packages" PR opened by the release workflow is exempt: it consumes changesets.
on:
  pull_request:
    branches: [main]
    types: [opened, synchronize, reopened, labeled, unlabeled]

permissions: {}

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  check:
    name: Changed packages have a changeset
    if: ${{ !contains(github.event.pull_request.labels.*.name, 'no changeset') && !startsWith(github.head_ref, 'changeset-release/') }}
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Check out repo
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0 # `changeset status --since` needs the history back to the base branch
          persist-credentials: false

      - name: Set up pnpm
        uses: pnpm/action-setup@v6

      - name: Set up Node.js
        uses: actions/setup-node@v7
        with:
          node-version: 24
          cache: pnpm

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Changed packages have a changeset
        run: pnpm changeset status --since=origin/${{ github.base_ref }}

  # Non-blocking: comments on the PR which packages will be released, and at what bump level.
  # Same-repo PRs only; the default token cannot comment on PRs from forks under `pull_request`.
  status:
    name: Comment changeset status
    if: ${{ github.event.pull_request.head.repo.full_name == github.repository && !startsWith(github.head_ref, 'changeset-release/') }}
    runs-on: ubuntu-latest
    permissions:
      contents: read # to check out repo (actions/checkout)
      pull-requests: write # to create and update the status comment (changesets/action/pr-comment)
    steps:
      - name: Check out repo
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          persist-credentials: false

      - name: Generate PR status
        id: pr-status
        uses: changesets/action/pr-status@v2

      - name: Comment on PR
        uses: changesets/action/pr-comment@v2
        with:
          body: ${{ steps.pr-status.outputs.comment-body }}