build.yml

name: Build
on: [push, pull_request]

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        node-version: [18.x]
        os: [ubuntu-latest]

    steps:
      - id: setup-node
        name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}

      - name: Check out code repository source code
        uses: actions/checkout@v2

      - name: Install dependencies
        run: yarn

      - name: Run build
        run: yarn build

  # Publishing is done in a separate job to allow
  # for all matrix builds to complete.
  release:
    needs: test
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/main'
    strategy:
      fail-fast: false
      matrix:
        node: [18]

    steps:
      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: 18.x

      - name: Check out repo
        uses: actions/checkout@v3
        with:
          fetch-depth: 2

      - name: Check if publish needed
        run: |
          name="$(jq -r .name package.json)"
          npmver="$(npm show $name version || echo v0.0.0)"
          pkgver="$(jq -r .version package.json)"
          if [ "$npmver" = "$pkgver" ]
          then
            echo "Package version ($pkgver) is the same as last published NPM version ($npmver), skipping publish."
          else
            echo "Package version ($pkgver) is different from latest NPM version ($npmver), publishing!"
            echo "publish=true" >> $GITHUB_ENV
          fi

      - name: Publish
        if: env.publish == 'true'
        env:
          NPM_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}
        run: |
          echo "//registry.npmjs.org/:_authToken=${NPM_AUTH_TOKEN}" > .npmrc
          yarn
          npm publish