feat: server transfer rotation

src/test/setup.ts

@@ -0,0 +1,36 @@
+class TestWorker implements Worker {
+    onmessage: ((this: Worker, ev: MessageEvent) => unknown) | null = null
+    onmessageerror: ((this: Worker, ev: MessageEvent) => unknown) | null = null
+    onerror: ((this: AbstractWorker, ev: ErrorEvent) => unknown) | null = null
+
+    addEventListener(): void {}
+    removeEventListener(): void {}
+    dispatchEvent(): boolean {
+        return true
+    }
+    postMessage(): void {}
+    terminate(): void {}
+}
+
+class TestResizeObserver implements ResizeObserver {
+    observe(): void {}
+    unobserve(): void {}
+    disconnect(): void {}
+}
+
+class TestIntersectionObserver implements IntersectionObserver {
+    readonly root: Element | Document | null = null
+    readonly rootMargin = ""
+    readonly thresholds: ReadonlyArray<number> = []
+
+    observe(): void {}
+    unobserve(): void {}
+    disconnect(): void {}
+    takeRecords(): IntersectionObserverEntry[] {
+        return []
+    }
+}
+
+globalThis.Worker = TestWorker
+globalThis.ResizeObserver = TestResizeObserver
+globalThis.IntersectionObserver = TestIntersectionObserver