add all frontend files

node_modules/antd/es/watermark/useRafDebounce.js

@@ -0,0 +1,21 @@
+import React from 'react';
+import useEvent from "rc-util/es/hooks/useEvent";
+import raf from "rc-util/es/raf";
+/**
+ * Callback will only execute last one for each raf
+ */
+export default function useRafDebounce(callback) {
+  const executeRef = React.useRef(false);
+  const rafRef = React.useRef(null);
+  const wrapperCallback = useEvent(callback);
+  return () => {
+    if (executeRef.current) {
+      return;
+    }
+    executeRef.current = true;
+    wrapperCallback();
+    rafRef.current = raf(() => {
+      executeRef.current = false;
+    });
+  };
+}