release.yml

name: Release to npm

on:
  push:
    tags:
      - "v*" # Trigger only on version tags

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write # Required for creating releases
      packages: write # Required for publishing packages

    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
        with:
          fetch-depth: 0 # Required for tag information

      - name: Set up Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 20
          registry-url: https://registry.npmjs.org/

      - name: Install dependencies
        run: npm install -g pnpm && pnpm install --no-frozen-lockfile

      - name: Build project
        run: pnpm run build

      - name: Get version from tag
        id: get_version
        run: echo "VERSION=${GITHUB_REF#refs/tags/v}" >> $GITHUB_OUTPUT

      - name: Update package.json version
        run: |
          VERSION="${{ steps.get_version.outputs.VERSION }}"
          npm version $VERSION --no-git-tag-version --allow-same-version

      - name: Generate Release Notes
        id: release_notes
        run: |
          # Get the previous tag
          PREVIOUS_TAG=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")

          if [ -z "$PREVIOUS_TAG" ]; then
            # If no previous tag exists, get all PRs
            SINCE_DATE="1970-01-01"
          else
            # Get date of previous tag
            SINCE_DATE=$(git log -1 --format=%aI $PREVIOUS_TAG)
          fi

          # Use GitHub API to get PRs merged since the last tag
          REPO_NAME="${GITHUB_REPOSITORY}"
          CHANGELOG=$(curl -s -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" \
            "https://api.github.com/repos/${REPO_NAME}/pulls?state=closed&sort=updated&direction=desc&per_page=100" | \
            jq -r ".[] | select(.merged_at != null) | select(.merged_at > \"${SINCE_DATE}\") | \"* \(.title) ([#\(.number)](\(.html_url))) by @\(.user.login)\"")

          # Save changelog to a file with proper escaping
          echo "CHANGELOG<<EOF" >> $GITHUB_OUTPUT
          echo "$CHANGELOG" >> $GITHUB_OUTPUT
          echo "EOF" >> $GITHUB_OUTPUT

      - name: Publish to npm
        run: pnpm publish --no-git-checks
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ github.ref_name }}
          name: "Release v${{ steps.get_version.outputs.VERSION }}"
          body: |
            ## What's Changed
            ${{ steps.release_notes.outputs.CHANGELOG }}

            ## Installation
            ```bash
            pnpm add @chaibuilder/sdk@${{ steps.get_version.outputs.VERSION }}
            ```
          draft: false
          prerelease: false
          make_latest: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}