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-rw-r--r--node_modules/es5-ext/object/is-plain-object.js20
1 files changed, 20 insertions, 0 deletions
diff --git a/node_modules/es5-ext/object/is-plain-object.js b/node_modules/es5-ext/object/is-plain-object.js
new file mode 100644
index 000000000..ff1532896
--- /dev/null
+++ b/node_modules/es5-ext/object/is-plain-object.js
@@ -0,0 +1,20 @@
+"use strict";
+
+var getPrototypeOf = Object.getPrototypeOf
+ , prototype = Object.prototype
+ , objToString = prototype.toString
+ , id = Object().toString();
+
+module.exports = function (value) {
+ var proto, valueConstructor;
+ if (!value || typeof value !== "object" || objToString.call(value) !== id) {
+ return false;
+ }
+ proto = getPrototypeOf(value);
+ if (proto === null) {
+ valueConstructor = value.constructor;
+ if (typeof valueConstructor !== "function") return true;
+ return valueConstructor.prototype !== value;
+ }
+ return proto === prototype || getPrototypeOf(proto) === null;
+};