name: frontend

on:
  push:
    paths:
    - "html/*"
  pull_request:
    paths:
    - "html/*"

jobs:
  build:
    runs-on: ubuntu-16.04
    strategy:
      matrix:
        node-version: [8.x, 10.x, 12.x]
    steps:
      - uses: actions/checkout@v1
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}
      - name: yarn install, check and build
        run: |
          cd html
          yarn install
          yarn run check
          yarn run build