npm-build-publish.yml

name: Build and Publish to npm

on:
  push:
    branches:
      - main

jobs:
  build-and-test:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        node-version: ['14.x', '16.x', '20.4.0']
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: ${{ matrix.node-version }}

      - name: Install dependencies
        run: npm install

      - name: Build
        run: npm run build

  publish:
    needs: build-and-test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v2

      - name: Setup Node.js
        uses: actions/setup-node@v2
        with:
          node-version: '14.x'
          registry-url: 'https://registry.npmjs.org'

      - name: Extract version from package.json
        run: echo "VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV

      - name: Check if version already published
        run: |
          echo "Checking version: ${{ env.VERSION }}"
          NPM_VIEW_OUTPUT=$(npm view epsillajs@${{ env.VERSION }})
          echo "npm view output: $NPM_VIEW_OUTPUT"
          if [ -n "$NPM_VIEW_OUTPUT" ]; then
            echo "Version ${{ env.VERSION }} already exists on npm. Please update the version."
            exit 1
          fi

      - name: Bump version and push tag
        uses: mathieudutour/github-tag-action@v6.1
        with:
          github_token: ${{ secrets.PAT_TOKEN }}
          tag_prefix: "v"
          custom_tag: ${{ env.VERSION }}
          dry_run: false

      - name: Install dependencies
        run: npm install

      - name: Build
        run: npm run build

      - name: Publish to npm
        run: npm publish
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_ACCESS_TOKEN }}