1 files changed, 45 insertions, 0 deletions
diff --git a/deps/npm/node_modules/es-to-primitive/es5.js b/deps/npm/node_modules/es-to-primitive/es5.js
new file mode 100644
index 0000000000..602aa362c7
--- /dev/null
+++ b/deps/npm/node_modules/es-to-primitive/es5.js
@@ -0,0 +1,45 @@
+'use strict';
+
+var toStr = Object.prototype.toString;
+
+var isPrimitive = require('./helpers/isPrimitive');
+
+var isCallable = require('is-callable');
+
+// http://ecma-international.org/ecma-262/5.1/#sec-8.12.8
+var ES5internalSlots = {
+	'[[DefaultValue]]': function (O) {
+		var actualHint;
+		if (arguments.length > 1) {
+			actualHint = arguments[1];
+		} else {
+			actualHint = toStr.call(O) === '[object Date]' ? String : Number;
+		}
+
+		if (actualHint === String || actualHint === Number) {
+			var methods = actualHint === String ? ['toString', 'valueOf'] : ['valueOf', 'toString'];
+			var value, i;
+			for (i = 0; i < methods.length; ++i) {
+				if (isCallable(O[methods[i]])) {
+					value = O[methods[i]]();
+					if (isPrimitive(value)) {
+						return value;
+					}
+				}
+			}
+			throw new TypeError('No default value');
+		}
+		throw new TypeError('invalid [[DefaultValue]] hint supplied');
+	}
+};
+
+// http://ecma-international.org/ecma-262/5.1/#sec-9.1
+module.exports = function ToPrimitive(input) {
+	if (isPrimitive(input)) {
+		return input;
+	}
+	if (arguments.length > 1) {
+		return ES5internalSlots['[[DefaultValue]]'](input, arguments[1]);
+	}
+	return ES5internalSlots['[[DefaultValue]]'](input);
+};