elkjs.yml

# To verify that changes of a PR do not break elkjs. 
name: elkjs

on: 
  pull_request:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # We check against LTSs supported by GWT
        # 11  - LTS 
        # 17 - LTS
        java-version: [ 11, 17 ]
        node-version: [ 12.x, 18.x ]

    steps:
    # Checkout the repository of both elk and elkjs, place them next to each other. 
    - uses: actions/checkout@v4
      with:
        path: elk
    - uses: actions/checkout@v4
      with:
        repository: kieler/elkjs
        path: elkjs
    # Prepare and use caches for both gradle and npm.
    - name: Cache gradle packages
      uses: actions/cache@v4
      with:
        path: ~/.gradle/caches
        key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle') }}
        restore-keys: ${{ runner.os }}-gradle
    - name: Cache npm 
      uses: actions/cache@v4
      with:
        path: ~/.npm
        key: ${{ runner.os }}-node-${{ hashFiles('**/package.json') }}
        restore-keys: ${{ runner.os }}-node-
    # elkjs (or rather GWT) requires Java 1.8
    - name: Set up JDK ${{ matrix.java-version }}
      uses: actions/setup-java@v4
      with:
        distribution: 'zulu'
        java-version: ${{ matrix.java-version }}
    - name: Grant execute permission for gradlew
      run: chmod +x $GITHUB_WORKSPACE/elkjs/gradlew
    - name: Use Node.js ${{ matrix.node-version }}
      uses: actions/setup-node@v4
      with:
        node-version: ${{ matrix.node-version }}
    # Finally build elkjs and run its tests
    - name: npm install, build, and test
      run: |
        npm install
        npm run build --if-present
        npm test
      working-directory: /home/runner/work/elk/elk/elkjs/
      env:
        CI: true