main.yml

name: CI
on: push
jobs:
    test:
        name: Lint, typecheck
        runs-on: ubuntu-latest
        steps:
            - name: Checkout
              uses: actions/checkout@v4
            - name: Setup Node
              uses: actions/setup-node@v3.8.1
              with:
                  node-version: "16"
            # Cache node_modules for faster CI runs if the yarn.lock doesn't change change
            - name: Get yarn cache directory path
              id: yarn-cache-dir
              run: echo "::set-output name=dir::$(yarn cache dir)"
            - name: Restore yarn cache
              uses: actions/cache@v3
              id: yarn-cache
              with:
                  path: ${{ steps.yarn-cache-dir.outputs.dir }}
                  key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
                  restore-keys: |
                      ${{ runner.os }}-yarn-
            # Throw an error if the yarn.lock file doesn't match the installed dependencies (rather than updating it in-place, which it does by default locally)
            - name: Install
              run: yarn install --frozen-lockfile --silent
            - name: Lint
              run: yarn lint
            - name: Typecheck
              run: yarn typecheck