ci.yml

name: CI

# Typecheck + unit tests on every push and PR. These run without launching a
# browser (the scraper's pure helpers and the diff logic are what's covered),
# so CI is fast and deterministic.

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

jobs:
  test:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        node-version: [18, 20, 22]

    steps:
      - name: Checkout
        uses: actions/checkout@v5

      - name: Set up Node ${{ matrix.node-version }}
        uses: actions/setup-node@v5
        with:
          node-version: ${{ matrix.node-version }}
          cache: npm

      - name: Install dependencies
        # Skip the postinstall Chromium download — CI only runs browser-free
        # typecheck + unit tests.
        run: npm ci --ignore-scripts

      - name: Typecheck
        run: npm run typecheck

      - name: Unit tests
        run: npm test

      - name: Build (verify the bundle compiles)
        run: npm run build