lint.yml

name: Lint & Format Check

on:
  pull_request:
  push:
    branches:
      - prod
      - development

jobs:
  lockfile-check:
    name: Lockfile Check
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Check for package-lock.json
        run: |
          if [ -f "package-lock.json" ]; then
            echo "::error::package-lock.json detected! This project uses Yarn v1. Please remove package-lock.json and use 'yarn install' instead of 'npm install'."
            exit 1
          fi
          echo "✓ No package-lock.json found. Using Yarn as expected."

  lint:
    name: ESLint & Prettier
    runs-on: ubuntu-latest
    needs: lockfile-check

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: '20'
          cache: 'yarn'

      - name: Install dependencies
        run: yarn install --frozen-lockfile

      - name: Run ESLint
        run: yarn lint

      - name: Check Prettier formatting
        run: yarn format:check