name: CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2.3.4

      - name: Setup Node.js environment
        uses: actions/setup-node@v2.2.0
        with:
          node-version: "14.x"

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"

      - name: Cache yarn cache
        uses: actions/cache@v2.1.6
        id: cache-yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-

      - name: Cache node_modules
        id: cache-node-modules
        uses: actions/cache@v2.1.6
        with:
          path: node_modules
          key: ${{ runner.os }}-${{ matrix.node-version }}-nodemodules-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-${{ matrix.node-version }}-nodemodules-

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Build and test frontend
        run: yarn build