name: JavaScript and CSS Linting

on:
  pull_request:
  push:
    branches: [trunk]

jobs:
  check:
    name: All

    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Cache node modules
      uses: actions/cache@v2
      env:
        cache-name: cache-node-modules
      with:
        # npm cache files are stored in `~/.npm` on Linux/macOS
        path: ~/.npm
        key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
        restore-keys: |
          ${{ runner.os }}-build-${{ env.cache-name }}-
          ${{ runner.os }}-build-
          ${{ runner.os }}-
    - name: Use Node.js 12.x
      uses: actions/setup-node@v1
      with:
        node-version: 12.x
    - name: Npm install
      run: |
        npm install
    - name: Lint JavaScript
      uses: bradennapier/eslint-plus-action@v3.4.2
    - name: Lint CSS
      run: npm run lint:css