planning

node_modules/react-dnd/dist/esm/internals/isRef.js

@@ -0,0 +1,7 @@
+function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+export function isRef(obj) {
+  return (// eslint-disable-next-line no-prototype-builtins
+    obj !== null && _typeof(obj) === 'object' && Object.prototype.hasOwnProperty.call(obj, 'current')
+  );
+}