release.yml

name: Release Creation

on:
  push:
    tags:
      - 'v*.*.*'


jobs:
  build:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4


    # Set up our some variables for future use
    # Adapted from https://github.community/t/how-to-get-just-the-tag-name/16241/7
    # Tag name: ${{ steps.get_vars.outputs.TAG_NAME }}
    # Zip name: ${{ steps.get_vars.outputs.ZIP_NAME }}
    # Expected Release Download URL: ${{ steps.get_vars.outputs.RELEASE_DOWNLOAD_URL }}
    # Expected Release module.json URL: ${{ steps.get_vars.outputs.RELEASE_INSTALL_URL }}
    # Stringified module.json contents: ${{ steps.get_vars.outputs.MODULE_JSON }}
    - name: Set up variables
      id: get_vars
      run: |
        TAG=${GITHUB_REF/refs\/tags\//}
        echo "TAG_NAME=$TAG" >> $GITHUB_OUTPUT
        echo "ZIP_NAME=torch-$TAG.zip" >> $GITHUB_OUTPUT
        echo "RELEASE_DOWNLOAD_URL=https://github.com/${{github.repository}}/releases/download/$TAG/torch-$TAG.zip" >> $GITHUB_OUTPUT
        echo "RELEASE_INSTALL_URL=https://github.com/${{github.repository}}/releases/download/$TAG/module.json" >> $GITHUB_OUTPUT
        JSON=$(cat ./module.json)
        echo ::set-output name=MODULE_JSON::${JSON//'%'/'%25'}

    # Run some tests to make sure our `module.json` is correct
    # Exit before setting up node if not
    - name: Verify correct naming
      env:
        TAG_NAME: ${{ steps.get_vars.outputs.TAG_NAME }}
        RELEASE_DOWNLOAD: ${{steps.get_vars.outputs.RELEASE_DOWNLOAD_URL}}
        # Extract version and download url from module.json
        # https://docs.github.com/en/actions/learn-github-actions/expressions#fromjson
        PACKAGE_VERSION: ${{fromJSON(steps.get_vars.outputs.MODULE_JSON).version}}
        PACKAGE_DOWNLOAD: ${{fromJSON(steps.get_vars.outputs.MODULE_JSON).download}}
      run: |
        # Validate that the tag being released matches the package version.
        if [[ ! $TAG_NAME == v$PACKAGE_VERSION ]]; then
          echo "The module.json version does not match tag name."
          echo "module.json: v$PACKAGE_VERSION"
          echo "tag name: $TAG_NAME"
          echo "Please fix this and push the tag again."
          exit 1
        fi

        # Validate that the package download url matches the release asset that will be created.
        if [[ ! $RELEASE_DOWNLOAD == $PACKAGE_DOWNLOAD ]]; then
          echo "The module.json download url does not match the created release asset url."
          echo "module.json: $PACKAGE_DOWNLOAD"
          echo "release asset url: $RELEASE_DOWNLOAD"
          echo "Please fix this and push the tag again."
          exit 1
        fi


    # Set up Node
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4
      with:
        node-version: '18.x'

    # Set up pnpm
    - name: Install Dependencies
      uses: pnpm/action-setup@v3
      with: 
        version: 8
        run_install: true

    # Run our `build` script
    - name: Build All
      run: |
        pnpm install
        pnpm build

    # Create a zip file with all files required by the module to add to the release
    - name: Zip It
      run: |
        cd dist
        zip ${{steps.get_vars.outputs.ZIP_NAME}} -r *.js lang torch.css module.json sources.json README.md 

    # Create a release for this specific version
    - name: Update Release with Files
      id: create_version_release
      uses: ncipollo/release-action@v1
      with:
        allowUpdates: true # Set this to false if you want to prevent updating existing releases
        name: ${{steps.get_vars.outputs.TAG_NAME}}
        draft: false
        prerelease: false
        token: ${{ secrets.GITHUB_TOKEN }}
        artifacts: 'dist/module.json, dist/${{steps.get_vars.outputs.ZIP_NAME}}'
        tag: ${{steps.get_vars.outputs.TAG_NAME}}
        body: 'Please copy/paste the current release data from CHANGELOG.md into this field'