name: ESLint

on:
  pull_request:
    types: [opened, synchronize, reopened]
  workflow_dispatch:

concurrency:
  group: lint-${{ github.event.pull_request.number || github.ref_name }}
  cancel-in-progress: true

permissions:
  contents: read
  # Needed for GitHub Checks API
  checks: write

jobs:
  eslint:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v5

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

      - name: Install dependencies
        run: npm install --include=dev

      - name: Run ESLint with reviewdog (GitHub Checks)
        uses: reviewdog/action-eslint@v1
        with:
          eslint_flags: '.'
          reporter: github-pr-check
          fail_level: error
          level: error
          tool_name: ESLint PR code