Change runtime from node to bun

.github/workflows/ci.yml

@@ -0,0 +1,37 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+      fail-fast: false
+
+    steps:
+      - id: checkout
+        name: Checkout
+        uses: actions/checkout@v3
+      - id: setup-bun
+        name: Setup Bun
+        uses: oven-sh/setup-bun@v1
+        with:
+          bun-version: latest
+      - id: install-deps
+        name: Install dependencies
+        run: |
+          bun install
+      - id: test
+        name: Run test
+        run: |
+          bun test

bunfig.toml

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+[test]
+preload = "./happydom.ts"

happydom.ts

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+import { GlobalRegistrator } from "@happy-dom/global-registrator";
+
+GlobalRegistrator.register();