name: Node-CI

on: [push, pull_request]

jobs:
  build:

    strategy:
      matrix:
        node-version: [10.x, 12.x, 13.x]
        os: [ubuntu-latest, macOS-latest]

    runs-on: ${{ matrix.os }}

    steps:
      - uses: actions/checkout@v1
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - name: npm install, build and test
        run: |
          npm ci
          npm run build --if-present
          npm test
        env:
          CI: true

  publish-npm:
    # publish should only ran on 'push' event and if a version tag was created
    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')

    needs: build # only run if build succeeds

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v1
      - uses: actions/setup-node@v1
        with:
          node-version: 10 # use the minimum required version
          registry-url: https://registry.npmjs.org/
      - run: npm ci
      - run: npm publish
        env:
          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}