format.yml

name: Code Formatting

on:
  push:
    branches: [ master ]
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Use Node.js 20
        uses: actions/setup-node@v4
        with:
          node-version: 20

      # Workaround for some `yarn` nonsense, see:
      # https://github.com/yarnpkg/yarn/issues/6312#issuecomment-429685210
      - name: Install Dependencies
        run: yarn install --network-concurrency 1

      - name: Run Linter Checks
        run: |
          yarn fmt
          if ! git diff-index --quiet HEAD; then
            echo "::error::Formatting issues detected. Please run 'yarn fmt' locally and commit the changes."
            git diff --stat
            git diff
            exit 1
          fi