first commit

frontend/node_modules/rc-picker/es/PickerInput/hooks/useLockEffect.js

@@ -0,0 +1,25 @@
+import { useLayoutUpdateEffect } from "rc-util/es/hooks/useLayoutEffect";
+import raf from "rc-util/es/raf";
+import * as React from 'react';
+
+/**
+ * Trigger `callback` immediately when `condition` is `true`.
+ * But trigger `callback` in next frame when `condition` is `false`.
+ */
+export default function useLockEffect(condition, callback) {
+  var delayFrames = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 1;
+  var callbackRef = React.useRef(callback);
+  callbackRef.current = callback;
+  useLayoutUpdateEffect(function () {
+    if (condition) {
+      callbackRef.current(condition);
+    } else {
+      var id = raf(function () {
+        callbackRef.current(condition);
+      }, delayFrames);
+      return function () {
+        raf.cancel(id);
+      };
+    }
+  }, [condition]);
+}