planning

node_modules/react-redux/es/utils/isPlainObject.js

@@ -0,0 +1,16 @@
+/**
+ * @param {any} obj The object to inspect.
+ * @returns {boolean} True if the argument appears to be a plain object.
+ */
+export default function isPlainObject(obj) {
+  if (typeof obj !== 'object' || obj === null) return false;
+  var proto = Object.getPrototypeOf(obj);
+  if (proto === null) return true;
+  var baseProto = proto;
+
+  while (Object.getPrototypeOf(baseProto) !== null) {
+    baseProto = Object.getPrototypeOf(baseProto);
+  }
+
+  return proto === baseProto;
+}