name: Lint (JS/TS)

on:
  pull_request:

jobs:
  lint:
    runs-on: alpine
    container: node:20-alpine

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

      - name: Install tools
        run: |
          apk add --no-cache \
            git

      - name: ESLint
        run: |
          if [ -n "$(find . -name "*.js" -o -name "*.jsx" -o -name "*.ts" -o -name "*.tsx" -o -name "*.mjs" -o -name "*.cjs" -print -quit)" ]; then
            if [ -f package.json ]; then
              npm install --no-audit --no-fund
            fi
            if [ -f eslint.config.js ] || [ -f eslint.config.mjs ] || [ -f eslint.config.cjs ] || [ -f .eslintrc ] || [ -f .eslintrc.js ] || [ -f .eslintrc.cjs ] || [ -f .eslintrc.json ] || [ -f .eslintrc.yaml ] || [ -f .eslintrc.yml ]; then
              if ! npx --yes eslint .; then
                echo "::warning::eslint reported issues"
              fi
            else
              echo "No eslint config found"
            fi
          else
            echo "No JS/TS files found"
          fi