npm-ci.yaml

name: NPM CI/CD Workflow

on:
  push:
    branches:
      - main
      - release
      - develop
      - feature/*
  delete:
    branches:
      - release
      - feature/*

permissions:
  contents: read
  packages: write

jobs:
  on-push:
    if: github.event_name == 'push'
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          registry-url: 'https://npm.pkg.github.com/'

      - name: Authenticate to GitHub NPM Registry
        run: echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" > ~/.npmrc

      - name: Install dependencies
        run: npm install

      - name: Bump version and commit (prerelease only)
        id: bump_version
        if: startsWith(github.ref, 'refs/heads/develop') || startsWith(github.ref, 'refs/heads/release') || startsWith(github.ref, 'refs/heads/feature/')
        run: |
          CURRENT_BRANCH=$(echo $GITHUB_REF | sed 's/refs\/heads\///')
          if [[ "$CURRENT_BRANCH" == "develop" || "$CURRENT_BRANCH" == "release" || "$CURRENT_BRANCH" == feature/* ]]; then
            npm version prerelease -m "chore: bump prerelease version to %s [ci skip]"
            echo "bump_version=true" >> $GITHUB_ENV
          else
            echo "bump_version=false" >> $GITHUB_ENV
          fi

      - name: Build the package
        run: npm run build --if-present

      - name: Run tests
        run: npm test --if-present

      - name: Publish to GitHub NPM Registry
        run: |
          CURRENT_BRANCH=$(echo $GITHUB_REF | sed 's/refs\/heads\///')
          if [ "$CURRENT_BRANCH" == "main" ]; then
            TAG_NAME="latest"
          elif [ "$CURRENT_BRANCH" == "release" ]; then
            TAG_NAME="next"
          elif [ "$CURRENT_BRANCH" == "develop" ]; then
            TAG_NAME="dev"
          elif [[ "$CURRENT_BRANCH" == feature/* ]]; then
            TAG_NAME="${CURRENT_BRANCH#feature/}"
          fi
          if [ -n "$TAG_NAME" ]; then
            npm publish --tag "$TAG_NAME"
          fi

      - name: Push changes back
        if: env.bump_version == 'true'
        run: |
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@github.com"
          git push origin HEAD

      - name: Cleanup
        if: always()
        run: rm ~/.npmrc

  on-delete:
    if: github.event_name == 'delete'
    runs-on: ubuntu-latest
    steps:
      - name: Authenticate to GitHub NPM Registry
        run: echo "//npm.pkg.github.com/:_authToken=${{ secrets.GITHUB_TOKEN }}" > ~/.npmrc

      - name: Delete associated tag
        run: |
          DELETED_BRANCH=$(echo $GITHUB_REF | sed 's/refs\/heads\///')
          if [ "$DELETED_BRANCH" == "release" ] || [[ "$DELETED_BRANCH" == feature/* ]]; then
            TAG_NAME=$(npm dist-tag ls | grep $DELETED_BRANCH | awk '{print $1}')
            if [ -n "$TAG_NAME" ]; then
              npm dist-tag rm "$TAG_NAME" "$DELETED_BRANCH"
            fi
          fi

      - name: Cleanup
        if: always()
        run: rm ~/.npmrc