ci.yml

name: CI

on:
  pull_request:
  push:
    branches: [main]

# A superseded run tells you nothing useful; don't pay for it.
concurrency:
  group: ci-${{ github.ref }}
  cancel-in-progress: true

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

      # react-simple-maps declares a React <19 peer, so a plain `npm ci` fails.
      # deploy.yml installs the same way.
      - name: Install
        run: npm install --legacy-peer-deps

      - name: Typecheck
        run: npx tsc --noEmit

      - name: Unit tests
        run: npm test -- --run

      # Deliberately no Substack fetch: CI must not depend on the network or on
      # dommangonon.substack.com being up. deploy.yml runs
      # scripts/fetch-substack.js as its own step before building.
      - name: Build
        run: npm run build

      - name: Install Playwright browser
        run: npx playwright install --with-deps chromium

      # playwright.config.ts starts its own dev server; reuseExistingServer is
      # off when CI is set, so this can't silently test a stale server.
      - name: E2E tests
        run: npx playwright test

      - name: Upload Playwright report
        if: failure()
        uses: actions/upload-artifact@v4
        with:
          name: playwright-report
          path: playwright-report/
          retention-days: 7