ci.yml

name: CI
on:
  # CI is run on main because new branches can only access caches from master, not previous branches.
  # So building on master allows new PR's to get the cache from before.
  push:
    branches: [main]
  pull_request:
    branches: [main]

jobs:
  lint:
    timeout-minutes: 5
    
    runs-on: ubuntu-latest
    
    steps:
      - name: checkout
        uses: actions/checkout@v3

      - name: install node
        uses: actions/setup-node@v3
        with:
          cache: "yarn"
          node-version: "18"

      - name: Restore cached dependencies for Node modules
        id: module-cache
        uses: actions/cache@v2
        with:
          path: ${{ github.workspace }}/node_modules
          key: ${{ runner.os }}--node--${{ hashFiles('**/yarn.lock') }}

      - name: Install dependencies
        run: yarn install

      - name: Run prettier check
        run: yarn lint:check