build.yml

name: Build/release

# Controls when the action will run. 
on: push

# A workflow run is made up of one or more jobs that can run sequentially or in parallel
jobs:
  # This workflow contains a single job called "build"
  build:
    # The type of runner that the job will run on
    runs-on: ${{ matrix.os }}
    
    strategy:
      matrix:
        os: [windows-latest, ubuntu-latest, macos-latest]
        include:
        # npm cache files storage path
        - os: windows-latest
          path: ~\AppData\npm-cache
        - os: ubuntu-latest
          path: ~/.npm
        - os: macos-latest
          path: ~/.npm

    # Steps represent a sequence of tasks that will be executed as part of the job
    steps:
      # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
      - name: Check out Git repository
        uses: actions/checkout@v2

      - name: Install Node.js and NPM
        uses: actions/setup-node@v1
        with:
          node-version: 14
      
      - name: Cache Node.js modules
        uses: actions/cache@v2
        with:
          path: ${{ matrix.path }}
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
            ${{ runner.os}}-
      
      # https://github.com/samuelmeuli/action-electron-builder
      - name: Build/release Electron app
        uses: samuelmeuli/action-electron-builder@v1
        with:
          github_token: ${{ secrets.github_token }}
          release: ${{ startsWith(github.ref, 'refs/tags/v') }}