add all frontend files

node_modules/antd/lib/watermark/useRafDebounce.js

@@ -0,0 +1,28 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default;
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = useRafDebounce;
+var _react = _interopRequireDefault(require("react"));
+var _useEvent = _interopRequireDefault(require("rc-util/lib/hooks/useEvent"));
+var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
+/**
+ * Callback will only execute last one for each raf
+ */
+function useRafDebounce(callback) {
+  const executeRef = _react.default.useRef(false);
+  const rafRef = _react.default.useRef(null);
+  const wrapperCallback = (0, _useEvent.default)(callback);
+  return () => {
+    if (executeRef.current) {
+      return;
+    }
+    executeRef.current = true;
+    wrapperCallback();
+    rafRef.current = (0, _raf.default)(() => {
+      executeRef.current = false;
+    });
+  };
+}