added whole system from ola4doc

sys/node_modules/es5-ext/object/serialize.js

@@ -0,0 +1,36 @@
+'use strict';
+
+var toArray  = require('./to-array')
+  , isDate   = require('../date/is-date')
+  , isRegExp = require('../reg-exp/is-reg-exp')
+
+  , isArray = Array.isArray, stringify = JSON.stringify
+  , keyValueToString = function (value, key) { return stringify(key) + ':' + exports(value); };
+
+var sparseMap = function (arr) {
+	var i, l = arr.length, result = new Array(l);
+	for (i = 0; i < l; ++i) {
+		if (!arr.hasOwnProperty(i)) continue;
+		result[i] = exports(arr[i]);
+	}
+	return result;
+};
+
+module.exports = exports = function (obj) {
+	if (obj == null) return String(obj);
+	switch (typeof obj) {
+	case 'string':
+		return stringify(obj);
+	case 'number':
+	case 'boolean':
+	case 'function':
+		return String(obj);
+	case 'object':
+		if (isArray(obj)) return '[' + sparseMap(obj) + ']';
+		if (isRegExp(obj)) return String(obj);
+		if (isDate(obj)) return 'new Date(' + obj.valueOf() + ')';
+		return '{' + toArray(obj, keyValueToString) + '}';
+	default:
+		throw new TypeError("Serialization of " + String(obj) + "is unsupported");
+	}
+};