ci.yml

name: CI

# Gates every pull request and every push to main on the same three checks the watchdog
# runs against the codebase: typecheck, lint, and the test suite. The watchdog catches a
# break after it lands; this stops it landing.

on:
  pull_request:
  push:
    branches: [main]
  workflow_dispatch:

concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  check:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
          cache: npm
      - name: Install
        run: npm ci
      - name: Typecheck
        run: npx tsc --noEmit
      - name: Lint
        run: npx eslint
      - name: Test
        run: npm test