release.yml

name: Release

on:
  push:
    branches: [master]

concurrency: ${{ github.workflow }}-${{ github.ref }}

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      id-token: write

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Install pnpm
        uses: pnpm/action-setup@v4

      - name: Use Node.js 22
        uses: actions/setup-node@v4
        with:
          node-version: 22
          registry-url: 'https://registry.npmjs.org'
          cache: 'pnpm'

      # Ensure npm 11.5.1 or later for trusted publishing
      - name: Install npm
        run: npm install -g npm@latest

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build
        run: pnpm build --filter='!@tiny-design/docs'

      - name: Auto-generate changesets for modified packages
        run: |
          # Find the latest version tag to diff against
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || git rev-list --max-parents=0 HEAD)
          echo "Comparing against: $LAST_TAG"

          # Skip if there are already changeset files (manually created)
          EXISTING=$(find .changeset -name '*.md' ! -name 'README.md' | head -1)
          if [ -n "$EXISTING" ]; then
            echo "Changeset files already exist, skipping auto-generation"
            exit 0
          fi

          CHANGED_PACKAGES=""

          for pkg_json in packages/*/package.json; do
            pkg_dir=$(dirname "$pkg_json")
            pkg_name=$(node -p "require('./$pkg_json').name")

            # Check if any source files changed in this package
            if git diff --quiet "$LAST_TAG" -- "$pkg_dir/src" 2>/dev/null; then
              echo "No changes in $pkg_name"
            else
              echo "Changes detected in $pkg_name"
              CHANGED_PACKAGES="$CHANGED_PACKAGES $pkg_name"
            fi
          done

          if [ -z "$CHANGED_PACKAGES" ]; then
            echo "No packages changed, skipping changeset generation"
            exit 0
          fi

          # Collect commits since last tag for changed packages
          REPO_URL="https://github.com/${{ github.repository }}"
          FEATURES=""
          FIXES=""
          REFACTORS=""
          OTHER=""

          for pkg in $CHANGED_PACKAGES; do
            pkg_dir=$(echo "$pkg" | sed 's|@[^/]*/||')  # e.g. @tiny-design/react -> react
            pkg_path="packages/$pkg_dir"
            while IFS= read -r line; do
              [ -z "$line" ] && continue
              hash=$(echo "$line" | cut -d' ' -f1)
              msg=$(echo "$line" | cut -d' ' -f2-)
              short_hash=$(echo "$hash" | cut -c1-7)
              link="[$short_hash]($REPO_URL/commit/$hash)"

              # Strip conventional commit prefix and optional scope for the description
              desc=$(echo "$msg" | sed -E 's/^(feat|fix|refactor|chore|docs|style|perf|test|ci|build)(\([^)]*\))?[!]?:\s*//')

              entry=$(printf '\n* %s (%s)' "$desc" "$link")
              case "$msg" in
                feat*)     FEATURES="$FEATURES$entry" ;;
                fix*)      FIXES="$FIXES$entry" ;;
                refactor*) REFACTORS="$REFACTORS$entry" ;;
                *)         OTHER="$OTHER$entry" ;;
              esac
            done <<< "$(git log "$LAST_TAG"..HEAD --pretty=format:'%H %s' -- "$pkg_path/src" | awk '!seen[$0]++')"
          done

          # Build the changeset file
          RANDOM_ID=$(head -c 8 /dev/urandom | od -An -tx1 | tr -d ' \n')
          CHANGESET_FILE=".changeset/auto-${RANDOM_ID}.md"

          {
            echo "---"
            for pkg in $CHANGED_PACKAGES; do
              echo "'${pkg}': patch"
            done
            echo "---"
            echo ""
            if [ -n "$FEATURES" ]; then
              echo "### Features"
              echo "$FEATURES"
              echo ""
            fi
            if [ -n "$FIXES" ]; then
              echo "### Bug Fixes"
              echo "$FIXES"
              echo ""
            fi
            if [ -n "$REFACTORS" ]; then
              echo "### Refactors"
              echo "$REFACTORS"
              echo ""
            fi
            if [ -n "$OTHER" ]; then
              echo "$OTHER"
              echo ""
            fi
            # Fallback if no commits found
            if [ -z "$FEATURES" ] && [ -z "$FIXES" ] && [ -z "$REFACTORS" ] && [ -z "$OTHER" ]; then
              echo "* Patch updates"
            fi
          } > "$CHANGESET_FILE"

          echo "Generated $CHANGESET_FILE for:$CHANGED_PACKAGES"
          cat "$CHANGESET_FILE"

      - name: Version packages
        run: |
          CHANGESETS=$(find .changeset -name '*.md' ! -name 'README.md' | head -1)
          if [ -z "$CHANGESETS" ]; then
            echo "No changesets found, skipping"
            echo "HAS_CHANGES=false" >> "$GITHUB_ENV"
            exit 0
          fi

          pnpm changeset version
          echo "HAS_CHANGES=true" >> "$GITHUB_ENV"

      - name: Commit version bump
        if: env.HAS_CHANGES == 'true'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add -A
          git commit -m "chore: version packages [skip ci]"
          git push
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Publish to npm
        if: env.HAS_CHANGES == 'true'
        run: pnpm release
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}