prerelease.yml

name: Prerelease

on:
  workflow_dispatch:
    inputs:
      version_base:
        description: Base version before prerelease suffix
        required: true
        default: 0.0.1

permissions:
  contents: read
  id-token: write

env:
  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: true

jobs:
  publish:
    if: github.ref_name == 'next'
    runs-on: ubuntu-latest
    steps:
      - name: 1. Checkout next
        uses: actions/checkout@v4

      - name: 2. Setup pnpm
        uses: pnpm/action-setup@v4
        with:
          version: 10.30.2

      - name: 3. Setup Node 24
        uses: actions/setup-node@v4
        with:
          node-version: 24
          cache: pnpm
          registry-url: https://registry.npmjs.org

      - name: 4. Install dependencies
        id: install
        run: pnpm install --frozen-lockfile

      - name: 5. Verify package
        id: verify
        run: |
          pnpm typecheck
          pnpm test

      - name: 6. Set alpha version
        id: version
        env:
          PACKAGE_VERSION: ${{ inputs.version_base }}-alpha.${{ github.run_number }}
        run: |
          node -e "const fs = require('node:fs'); const pkg = JSON.parse(fs.readFileSync('package.json', 'utf8')); pkg.version = process.env.PACKAGE_VERSION; fs.writeFileSync('package.json', JSON.stringify(pkg, null, 2) + '\n');"
          node -e "const pkg = require('./package.json'); console.log(pkg.name + '@' + pkg.version);"
          node -e "const pkg = require('./package.json'); require('node:fs').appendFileSync(process.env.GITHUB_OUTPUT, 'package=' + pkg.name + '@' + pkg.version + '\n');"

      - name: 7. Build and measure package
        id: build
        run: |
          pnpm build
          pnpm size

      - name: 8. Publish alpha
        id: publish
        run: pnpm publish --tag alpha --access public --no-git-checks
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: 9. Keep npm latest on current alpha
        id: tag
        run: |
          PACKAGE_NAME=$(node -p "require('./package.json').name")
          PACKAGE_VERSION=$(node -p "require('./package.json').version")
          npm dist-tag add "$PACKAGE_NAME@$PACKAGE_VERSION" latest
        env:
          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Prerelease summary
        if: always()
        run: |
          {
            echo "## Alpha prerelease"
            echo
            echo "| Stage | Result |"
            echo "| --- | --- |"
            echo "| Install | ${{ steps.install.outcome }} |"
            echo "| Verify | ${{ steps.verify.outcome }} |"
            echo "| Version | ${{ steps.version.outputs.package }} |"
            echo "| Build and size | ${{ steps.build.outcome }} |"
            echo "| Publish alpha | ${{ steps.publish.outcome }} |"
            echo "| Sync npm latest tag | ${{ steps.tag.outcome }} |"
          } >> "$GITHUB_STEP_SUMMARY"