npm-publish.yml

name: Publish to npm
on:
  workflow_dispatch:
    inputs:
      version:
        description: 'npm version to publish'
        type: choice
        required: true
        options:
          # these are defined in ${{vars.versions}}, but ghw doesn't support yet the use of expressions in inputs.
          - 'patch (x.y.z+1, bug fixes)'
          - 'minor (x.y+1.0, new functionality)'
          - 'major (x+1.0.0, api breaking changes)'
      dry_run:
        description: 'Perform all steps except npm publish'
        type: boolean
        default: true
        required: true
jobs:
  build:
    if: false
    uses: ./.github/workflows/build.yml

  publish-npm:
    # needs: build
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: github-workflows
      - uses: actions/setup-node@v4
        with:
          node-version: 20
          registry-url: https://registry.npmjs.org/
      - run: npm ci
      #- run: npm run dist
      - name: Setup versions in ${{'${{env}}'}}
        run: |
          git tag --list 'v*' --sort=-taggerdate
          git tag --list 'v*' --sort=-taggerdate | head -1
          echo "$(git tag --list 'v*' --sort=-taggerdate | head -1)"
          PREV_PKG_VERSION=$(git tag --list 'v*' --sort=-taggerdate | head -1)
          echo "PREV_PKG_VERSION=$PREV_PKG_VERSION" >> "$GITHUB_ENV"
          echo "PKG_VERSION=${{fromJSON(vars.versions).values[inputs.version]}}" >> "$GITHUB_ENV"
      - name: Version package
        run: "npm version ${{env.PKG_VERSION}} -m \"\
          Version %s (${{env.PKG_VERSION}})\
          \n\
          \n\
          Changes since ${{env.PREV_PKG_VERSION}}:\
          \n\
          $(git log --pretty='format:%h %s' ${{env.PREV_PKG_VERSION}}..HEAD | grep -v '.yml')\""
        env:
          PKG_VERSION: ${{fromJSON(vars.versions).values[inputs.version]}}
      - name: Push new version
        run: git push
      - name: Publish to npm
        if: inputs.dry_run == false
        run: echo "npm publish"
        env:
          NODE_AUTH_TOKEN: ${{secrets.npm_token}}