add all frontend files

node_modules/antd/es/slider/useRafLock.js

@@ -0,0 +1,21 @@
+import * as React from 'react';
+import raf from "rc-util/es/raf";
+export default function useRafLock() {
+  const [state, setState] = React.useState(false);
+  const rafRef = React.useRef(null);
+  const cleanup = () => {
+    raf.cancel(rafRef.current);
+  };
+  const setDelayState = nextState => {
+    cleanup();
+    if (nextState) {
+      setState(nextState);
+    } else {
+      rafRef.current = raf(() => {
+        setState(nextState);
+      });
+    }
+  };
+  React.useEffect(() => cleanup, []);
+  return [state, setDelayState];
+}