deploy_to_npm.yml

name: Deploy to npm
on:
  workflow_dispatch:
concurrency:
  group: "${{ github.workflow }}-${{ github.ref }}"
  cancel-in-progress: true
permissions:
  contents: write
  id-token: write

jobs:
  open-release:
    runs-on: ubuntu-latest
    outputs:
      INITIAL_MASTER_POSITION: ${{ steps.create-tag.outputs.INITIAL_MASTER_POSITION }}
      INITIAL_GH_PAGES_POSITION: ${{ steps.create-tag.outputs.INITIAL_GH_PAGES_POSITION }}
      TAG: ${{ steps.create-tag.outputs.TAG }}
      VERSION: ${{ steps.create-tag.outputs.VERSION }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}

      - name: Configure Git User
        run: |
          git config user.email "cowwoc2020@gmail.com"
          git config user.name "Gili Tzabari"

      - name: Parse the release version from package.json
        uses: martinbeentjes/npm-get-version-action@v1.3.1
        id: parse-version

      # Setting a GitHub Action output parameter:
      # https://docs.github.com/en/actions/using-workflows/workflow-commands-for-github-actions#setting-an-output-parameter
      # Extracting the release version number: https://stackoverflow.com/a/16623897/14731
      - name: Create tag
        id: create-tag
        run: |
          echo "INITIAL_MASTER_POSITION=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
          VERSION=${{ steps.parse-version.outputs.current-version }}
          TAG=release-${VERSION}
          echo "TAG=${TAG}" >> "$GITHUB_OUTPUT"
          echo "VERSION=${VERSION}" >> "$GITHUB_OUTPUT"
          git tag ${TAG}
          git push origin tag ${TAG}  

  deploy:
    name: Deploy
    needs: open-release
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ needs.open-release.outputs.TAG }}
          fetch-depth: 0

      - name: Install node
        uses: actions/setup-node@v4
        with:
          node-version: latest
          registry-url: "https://registry.npmjs.org"

      - name: Install pnpm
        run: |
          corepack enable
          corepack prepare pnpm@latest --activate

      # pnpm dependencies cannot be cached until pnpm is installed
      # WORKAROUND: https://github.com/actions/setup-node/issues/531
      - name: Extract cached dependencies
        uses: actions/setup-node@v4
        with:
          cache: pnpm

      - name: Test build
        run: |
          pnpm install
          pnpm run build

      - name: Deploy to npm
        run: |
          cd target/publish
          cp ../../pnpm-lock.yaml .
          git status
          pnpm publish --provenance --access=public --no-git-checks
          
          mkdir --parents "${{ needs.open-release.outputs.VERSION }}/docs"
          mv target/apidocs "${{ needs.open-release.outputs.VERSION }}/docs/api"
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Commit changes
        run: |
          git checkout gh-pages -f
          echo "INITIAL_GH_PAGES_POSITION=$(git rev-parse HEAD)" >> "$GITHUB_OUTPUT"
          git add "${{ needs.open-release.outputs.VERSION }}/docs/api"
          git commit -m "Released version ${{ needs.open-release.outputs.VERSION }}"
          git push

  # Cleanup on failure: https://stackoverflow.com/a/74562058/14731
  on-failure:
    needs: [ open-release, deploy ]
    runs-on: ubuntu-latest
    if: ${{ failure() || cancelled() }}
    steps:
      - uses: actions/checkout@v4
        with:
          ref: ${{ github.ref }}
          fetch-depth: 0
      - name: Install node
        uses: actions/setup-node@v4
        with:
          node-version: latest
          registry-url: "https://registry.npmjs.org"

      - name: Install pnpm
        run: |
          corepack enable
          corepack prepare pnpm@latest --activate

      # pnpm dependencies cannot be cached until pnpm is installed
      # WORKAROUND: https://github.com/actions/setup-node/issues/531
      - name: Extract cached dependencies
        uses: actions/setup-node@v4
        with:
          cache: pnpm

      - name: Restore the master ref to its original position
        if: needs.open-release.outputs.INITIAL_MASTER_POSITION != ''
        run: |
          CURRENT_REF_POSITION=$(git rev-parse HEAD)
          if [ "${CURRENT_REF_POSITION}" != "${{ needs.open-release.outputs.INITIAL_MASTER_POSITION }}" ]; then
            git reset --hard ${{ needs.open-release.outputs.INITIAL_MASTER_POSITION }}
            if [ "${{ github.ref_type }}" == "tag" ]; then
              git ${{ github.ref_type }} -f ${{ github.ref_name }}
            fi
            git push -f origin ${{ github.ref_name }}
          fi

      - name: Delete tag
        if: needs.open-release.outputs.TAG != ''
        run: |
          git push --delete origin ${{ needs.open-release.outputs.TAG }}

      - name: Restore the gh-pages ref to its original position
        if: needs.open-release.outputs.INITIAL_GH_PAGES_POSITION != ''
        run: |
          CURRENT_REF_POSITION=$(git rev-parse HEAD)
          if [ "${CURRENT_REF_POSITION}" != "${{ needs.open-release.outputs.INITIAL_GH_PAGES_POSITION }}" ]; then
            git reset --hard ${{ needs.open-release.outputs.INITIAL_GH_PAGES_POSITION }}
            if [ "${{ github.ref_type }}" == "tag" ]; then
              git ${{ github.ref_type }} -f ${{ github.ref_name }}
            fi
            git push -f origin ${{ github.ref_name }}
          fi