name: Lint code

# Catch lint, formatting, and type-check failures before merge.

on:
  workflow_dispatch:
  merge_group:
  pull_request:

permissions:
  contents: read

# Cancel older runs for the same ref to save runner time.
concurrency:
  group: '${{ github.workflow }} @ ${{ github.event.pull_request.head.label || github.head_ref || github.ref }}'
  cancel-in-progress: true

jobs:
  lint-code:
    if: github.repository == 'github/docs-internal' || github.repository == 'github/docs'
    runs-on: ubuntu-latest
    steps:
      - name: Check out repo
        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

      - uses: ./.github/actions/node-npm-setup

      - name: Run linter
        run: npm run lint

      - name: Run Prettier
        run: npm run prettier-check

      - name: Run TypeScript
        run: npm run tsc