publish.yml

name: "Monorepo Packages Release to NPM"

on:
  push:
    branches:
      - main
  workflow_dispatch:

permissions:
  id-token: write
  contents: read

jobs:
  discover-packages:
    name: "Discover Packages"
    runs-on: ubuntu-latest
    outputs:
      packages: ${{ steps.packages.outputs.matrix }}
    steps:
      - uses: actions/checkout@v4

      - id: packages
        name: "Find packages in ./packages"
        run: |
          echo "Discovering packages in ./packages..."
          # Get folder names under packages/ and convert to JSON array
          PACKAGES=$(find packages -maxdepth 1 -mindepth 1 -type d -printf '%f\n' \
            | jq -R -s -c 'split("\n")[:-1]')
          echo "Found packages: $PACKAGES"
          echo "matrix=$PACKAGES" >> "$GITHUB_OUTPUT"

  release:
    name: "Release ${{ matrix.package }} to NPM"
    needs: discover-packages
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        package: ${{ fromJson(needs.discover-packages.outputs.packages) }}
    env:
      # Directory for the current package in the matrix
      PACKAGE_DIR: packages/${{ matrix.package }}

    steps:
      - uses: actions/checkout@v4

      - name: Read version from package.json
        id: read_version
        run: |
          VERSION=$(jq -r '.version' "$PACKAGE_DIR/package.json")
          echo "Package dir: $PACKAGE_DIR"
          echo "Package version: $VERSION"
          echo "version=$VERSION" >> "$GITHUB_OUTPUT"

      - name: Check if version exists on npm
        id: check
        run: |
          PACKAGE_NAME=$(jq -r '.name' "$PACKAGE_DIR/package.json")
          VERSION="${{ steps.read_version.outputs.version }}"

          echo "Checking npm for $PACKAGE_NAME@$VERSION"

          EXISTS=$(npm view "$PACKAGE_NAME" versions --json 2>/dev/null \
            | jq -e '.[] | select(.=="'"$VERSION"'")' || echo "no")

          if [ "$EXISTS" = "no" ]; then
            echo "Version $PACKAGE_NAME@$VERSION does not exist on npm. Will publish."
            echo "should_publish=true" >> "$GITHUB_OUTPUT"
          else
            echo "Version $PACKAGE_NAME@$VERSION already exists on npm. Skipping publish."
            echo "should_publish=false" >> "$GITHUB_OUTPUT"
          fi

      - uses: actions/setup-node@v4
        if: steps.check.outputs.should_publish == 'true'
        with:
          node-version: '25'
          registry-url: 'https://registry.npmjs.org'
          scope: \@${{ github.repository_owner }}

      - name: Update npm
        if: steps.check.outputs.should_publish == 'true'
        run: npm install -g npm@latest

      - name: Install dependencies (root)
        if: steps.check.outputs.should_publish == 'true'
        run: npm install --workspace=${{ env.PACKAGE_DIR }}

      - name: Build package
        if: steps.check.outputs.should_publish == 'true'
        working-directory: ${{ env.PACKAGE_DIR }}
        run: npm run build --if-present

      - name: Publish package
        if: steps.check.outputs.should_publish == 'true'
        working-directory: ${{ env.PACKAGE_DIR }}
        run: npm publish --access public

      - name: Skip publish (version already exists)
        if: steps.check.outputs.should_publish == 'false'
        run: |
          PACKAGE_NAME=$(jq -r '.name' "$PACKAGE_DIR/package.json")
          echo "Version ${{ steps.read_version.outputs.version }} for $PACKAGE_NAME already exists on npm. Skipping publish."