build.yaml

name: Build
on:
  pull_request:
  push:
    branches:
      - master

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        node-version: [16.x]
        os: [ubuntu-latest]

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

      - name: Check out code repository source code
        uses: actions/checkout@v3

      - working-directory: ./gremlin-javascript/src/main/javascript/gremlin-javascript
        run: |
          npm install
          npm run lint
          npm run unit-test

  # 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/master'
    steps:
      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: 16.x

      - name: Check out repo
        uses: actions/checkout@v3

      - name: Publish new version?
        working-directory: ./gremlin-javascript/src/main/javascript/gremlin-javascript
        run: |
          # Do not fail on errror
          set +e

          PACKAGE_NAME=$( node -p "require('./package.json').name" )
          PUBLISHED_VERSION=$( npm view ${PACKAGE_NAME} version 2>/dev/null )
          CURRENT_VERSION=$( node -p "require('./package.json').version" )

          echo "Package: ${PACKAGE_NAME}"
          echo "Published version: ${PUBLISHED_VERSION}"
          echo "Current version: ${CURRENT_VERSION}"

          if [ "${PUBLISHED_VERSION}" == "${CURRENT_VERSION}" ]; then
            echo "Current version has already been published."
            echo "publish=false" >> ${GITHUB_ENV}
          else
            echo "Current version has not been published. Publishing..."
            echo "publish=true" >> ${GITHUB_ENV}
          fi

          echo NPM_PUBLISH_PACKAGE_NAME=${PACKAGE_NAME} >> ${GITHUB_ENV}

      - name: Publish
        if: env.publish == 'true'
        env:
          NPM_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}
        working-directory: ./gremlin-javascript/src/main/javascript/gremlin-javascript
        run: |
          if [ "${NPM_AUTH_TOKEN}" == "" ]; then
            echo "NPM_AUTH_TOKEN environment variable not found"
            exit 2
          fi

          if [ "${NPM_PUBLISH_PACKAGE_NAME}" == "" ]; then
            echo "NPM_PUBLISH_PACKAGE_NAME environment variable not found"
            exit 3
          fi

          echo "//registry.npmjs.org/:_authToken=${NPM_AUTH_TOKEN}" > .npmrc

          echo "Will publish ${NPM_PUBLISH_PACKAGE_NAME}"

          npm publish --access public .