use submodule

excalidraw/examples/with-script-in-browser/components/MobileFooter.tsx

@@ -0,0 +1,30 @@
+import React from "react";
+
+import type * as TExcalidraw from "@excalidraw/excalidraw";
+import type { ExcalidrawImperativeAPI } from "@excalidraw/excalidraw/types";
+
+import CustomFooter from "./CustomFooter";
+
+const MobileFooter = ({
+  excalidrawAPI,
+  excalidrawLib,
+}: {
+  excalidrawAPI: ExcalidrawImperativeAPI;
+  excalidrawLib: typeof TExcalidraw;
+}) => {
+  const { useDevice, Footer } = excalidrawLib;
+
+  const device = useDevice();
+  if (device.editor.isMobile) {
+    return (
+      <Footer>
+        <CustomFooter
+          excalidrawAPI={excalidrawAPI}
+          excalidrawLib={excalidrawLib}
+        />
+      </Footer>
+    );
+  }
+  return null;
+};
+export default MobileFooter;