release.yml

name: Release

on:
  release:
    types: [published]

jobs:
  release:
    name: Prepare release
    runs-on: ubuntu-latest
    env:
      COREPACK_ENABLE_DOWNLOAD_PROMPT: 0
    steps:
      - uses: actions/checkout@v4

      - name: Set up Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '24'

      - name: Validate release tag is semver
        run: |
          VERSION="${GITHUB_REF_NAME#v}"

          node -e "const version = process.env.VERSION; const semverRegex = /^(0|[1-9]\\d*)\\.(0|[1-9]\\d*)\\.(0|[1-9]\\d*)(?:-((?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\\.(?:0|[1-9]\\d*|\\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\\+([0-9a-zA-Z-]+(?:\\.[0-9a-zA-Z-]+)*))?$/; if (!semverRegex.test(version)) { console.error(`Invalid release tag '${process.env.GITHUB_REF_NAME}'. Expected semver like '1.2.3' or 'v1.2.3'.`); process.exit(1); }"

          echo "Release tag is valid semver: $VERSION"
        env:
          VERSION: ${{ github.ref_name }}

      - name: Bump versions from release tag
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          echo "Using release version: $VERSION"

          node -e "const fs=require('fs');const version=process.env.VERSION;const pkgPath='package.json';const pkg=JSON.parse(fs.readFileSync(pkgPath,'utf8'));pkg.version=version;fs.writeFileSync(pkgPath, JSON.stringify(pkg, null, 2) + '\n');"

          sed -i "s/^export const CARD_VERSION = '.*';$/export const CARD_VERSION = '$VERSION';/" src/const.ts
        env:
          VERSION: ${{ github.ref_name }}

      - name: Validate bumped versions
        run: |
          VERSION="${GITHUB_REF_NAME#v}"

          PKG_VERSION=$(node -p "require('./package.json').version")
          CONST_VERSION=$(sed -n "s/^export const CARD_VERSION = '\(.*\)';$/\1/p" src/const.ts)

          [ "$PKG_VERSION" = "$VERSION" ] || {
            echo "package.json version mismatch: expected '$VERSION', got '$PKG_VERSION'"
            exit 1
          }

          [ "$CONST_VERSION" = "$VERSION" ] || {
            echo "src/const.ts CARD_VERSION mismatch: expected '$VERSION', got '$CONST_VERSION'"
            exit 1
          }

          echo "Version validation passed: $VERSION"

      # Build
      - name: Install dependencies
        run: |
          corepack enable
          corepack prepare yarn@4.12.0 --activate
          yarn install --immutable

      - name: Build the file
        run: yarn build

      # Upload build artifact to the release as an asset.
      - name: Upload release asset
        uses: svenstaro/upload-release-action@v2
        with:
          repo_token: ${{ secrets.GITHUB_TOKEN }}
          file: dist/boilerplate-card.js
          asset_name: boilerplate-card.js
          tag: ${{ github.ref }}
          overwrite: true