feat(packages/excalidraw): export throttleRAF (#10912)

packages/excalidraw/tests/clipboard.test.tsx

@@ -28,7 +28,9 @@ const { h } = window;
 const mouse = new Pointer("mouse");
 
 vi.mock("@excalidraw/common", async (importOriginal) => {
-  const module: any = await importOriginal();
+  const module = await importOriginal<typeof import("@excalidraw/common")>();
+  const { mockThrottleRAF } = await import("./helpers/mocks");
+
   return {
     __esmodule: true,
     ...module,
@@ -37,6 +39,7 @@ vi.mock("@excalidraw/common", async (importOriginal) => {
       ...module.KEYS,
       CTRL_OR_CMD: "ctrlKey",
     },
+    throttleRAF: mockThrottleRAF,
   };
 });
 

packages/excalidraw/tests/helpers/mocks.ts

@@ -3,6 +3,25 @@ import React from "react";
 import { vi } from "vitest";
 
 import type { parseMermaidToExcalidraw } from "@excalidraw/mermaid-to-excalidraw";
+import type { throttleRAF as throttleRAFType } from "@excalidraw/common";
+
+type ThrottledFn<T extends unknown[]> = ((...args: T) => void) & {
+  flush: () => void;
+  cancel: () => void;
+};
+
+export const mockThrottleRAF: typeof throttleRAFType = <T extends unknown[]>(
+  fn: (...args: T) => void,
+) => {
+  const ret = ((...args: T) => {
+    fn(...args);
+  }) as ThrottledFn<T>;
+
+  ret.flush = () => {};
+  ret.cancel = () => {};
+
+  return ret;
+};
 
 export const mockMermaidToExcalidraw = (opts: {
   parseMermaidToExcalidraw: typeof parseMermaidToExcalidraw;