frontend-ci.yml

name: Frontend CI
on:
  push:
    branches: ["main", "frontend"]
    paths:
      - "frontend/**"
  pull_request:
    branches: ["main", "frontend"]
    paths:
      - "frontend/**"
jobs:
  build-and-check:
    name: Frontend Build & Format Check
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: ./frontend
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
      
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
      
      - name: Install dependencies
        run: npm install
      
      - name: Format Check (Lint)
        run: npm run lint -- --max-warnings=0
        # Runs ESLint to verify code quality and formatting rules defined in eslint config.
        # This satisfies the "Format Check" requirement.
      
      - name: Build Check
        run: npm run build
        # Verification that the Next.js application builds successfully.