client server

Summary: Migrating Server, Client and UninitializedClient to TypeScript

Reviewed By: passy

Differential Revision: D16687855

fbshipit-source-id: 402e4dbcd5d283d3e280d4d8b312662829457886

types/globals.tsx

@@ -0,0 +1,25 @@
+/**
+ * Copyright 2018-present Facebook.
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ * @format
+ */
+
+export {};
+type RequestIdleHandle = number;
+
+declare global {
+  interface Window {
+    // rIC not supportedin TS: https://github.com/Microsoft/TypeScript/issues/21309
+    requestIdleCallback: (
+      callback: (deadline: {
+        didTimeout: boolean;
+        timeRemaining: () => number;
+      }) => void,
+      opts?: {
+        timeout: number;
+      },
+    ) => RequestIdleHandle;
+    cancelIdleCallback: (handle: RequestIdleHandle) => void;
+  }
+}