ci.yml

name: CI Testing
on: pull_request
permissions: read-all

jobs:
  lint-and-test:
    name: Run ESLint, TypeScript, and Tests
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: 'npm'

      - name: cache node modules
        id: cache-dep
        uses: actions/cache@v4
        env:
          cache-name: cache-node-modules
        with:
          path: node_modules
          key: ${{ runner.os }}-lint-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}

      - name: Install dependencies
        if: steps.cache-dep.outputs.cache-hit != 'true'
        run: npm ci

      - name: Collect changed files
        run: |
          git diff ${{ github.event.pull_request.base.sha }} ${{ github.sha }} --diff-filter=ACM --name-only | grep -E '\.(js|jsx|ts|tsx)$' > ~/lintable_files || true
          echo "Files to lint:"
          cat ~/lintable_files

      - name: Lint
        run: |
          if [ -s ~/lintable_files ]; then
            npx eslint $(cat ~/lintable_files)
          else
            echo "No files to lint"
          fi

      - name: TypeScript Checker
        run: npx tsc --emitDeclarationOnly

      - name: Run Tests
        run: npm run test