name: CI

on:
  pull_request:
  push:
    # filtering branches here prevents duplicate builds from pull_request and push
    branches:
      - main
    # always run CI for tags
    tags:
      - '*'

env:
  CI: true

jobs:
  test:
    name: Test
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Code
        uses: actions/checkout@v3
      - name: Install Node
        uses: actions/setup-node@v3
        with:
          node-version: 12
      - name: Locate Yarn Cache
        id: yarn-cache-dir-path
        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT
      - uses: actions/cache@v3
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-
      - name: Install Dependencies
        run: yarn install --frozen-lockfile
      - name: Lint
        run: yarn lint
      - name: Run Tests
        run: yarn test