add node_modules to address #4364

1 files changed, 16 insertions, 0 deletions

diff --git a/node_modules/object-keys/isArguments.js b/node_modules/object-keys/isArguments.js
new file mode 100644
index 000000000..74a098978
--- /dev/null
+++ b/node_modules/object-keys/isArguments.js
@@ -0,0 +1,16 @@
+var toString = Object.prototype.toString;
+
+module.exports = function isArguments(value) {
+	var str = toString.call(value);
+	var isArguments = str === '[object Arguments]';
+	if (!isArguments) {
+		isArguments = str !== '[object Array]'
+			&& value !== null
+			&& typeof value === 'object'
+			&& typeof value.length === 'number'
+			&& value.length >= 0
+			&& toString.call(value.callee) === '[object Function]';
+	}
+	return isArguments;
+};
+