From abd94a7f5a50f43c797a11b53549ae48fff667c3 Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Mon, 10 Oct 2016 03:43:44 +0200
Subject: add node_modules to address #4364

---
 node_modules/object-keys/shim.js | 62 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 62 insertions(+)
 create mode 100644 node_modules/object-keys/shim.js

(limited to 'node_modules/object-keys/shim.js')

diff --git a/node_modules/object-keys/shim.js b/node_modules/object-keys/shim.js
new file mode 100644
index 000000000..b88421bed
--- /dev/null
+++ b/node_modules/object-keys/shim.js
@@ -0,0 +1,62 @@
+(function () {
+	"use strict";
+
+	// modified from https://github.com/kriskowal/es5-shim
+	var has = Object.prototype.hasOwnProperty,
+		toString = Object.prototype.toString,
+		forEach = require('./foreach'),
+		isArgs = require('./isArguments'),
+		hasDontEnumBug = !({'toString': null}).propertyIsEnumerable('toString'),
+		hasProtoEnumBug = (function () {}).propertyIsEnumerable('prototype'),
+		dontEnums = [
+			"toString",
+			"toLocaleString",
+			"valueOf",
+			"hasOwnProperty",
+			"isPrototypeOf",
+			"propertyIsEnumerable",
+			"constructor"
+		],
+		keysShim;
+
+	keysShim = function keys(object) {
+		var isObject = object !== null && typeof object === 'object',
+			isFunction = toString.call(object) === '[object Function]',
+			isArguments = isArgs(object),
+			theKeys = [];
+
+		if (!isObject && !isFunction && !isArguments) {
+			throw new TypeError("Object.keys called on a non-object");
+		}
+
+		if (isArguments) {
+			forEach(object, function (value) {
+				theKeys.push(value);
+			});
+		} else {
+			var name,
+				skipProto = hasProtoEnumBug && isFunction;
+
+			for (name in object) {
+				if (!(skipProto && name === 'prototype') && has.call(object, name)) {
+					theKeys.push(name);
+				}
+			}
+		}
+
+		if (hasDontEnumBug) {
+			var ctor = object.constructor,
+				skipConstructor = ctor && ctor.prototype === object;
+
+			forEach(dontEnums, function (dontEnum) {
+				if (!(skipConstructor && dontEnum === 'constructor') && has.call(object, dontEnum)) {
+					theKeys.push(dontEnum);
+				}
+			});
+		}
+		return theKeys;
+	};
+
+	module.exports = keysShim;
+}());
+
-- 
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