ci.yml

name: CI

# Runs the full Jest suite, including scenario spawners, across the Node LTS
# matrix plus the latest Bun. Scenario tests that target Bun skip gracefully
# on the Node-only jobs via `describeBun = hasBinary('bun') ? describe : describe.skip`
# in the harness, and scenario tests that target Node run on every job.
#
# This complements `publish.yml` (which runs on release and uses a single Node
# version); this file exercises the matrix on every push / PR so that a
# Node-version regression or a Bun-specific regression is caught pre-merge.

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

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

jobs:
  node-matrix:
    name: Node ${{ matrix.node }} + Bun
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        node: ['18', '20', '22']
    steps:
      - uses: actions/checkout@v4

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node }}
          cache: 'npm'

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: npm ci

      - name: Run full test suite (Jest + scenarios)
        run: npm test