4 * Simple object for storing attributes. Implements equality by attribute names
5 * and values, and provides a simple string representation.
7 * See also [original guide][1]
9 * [1]:http://docs.python.org/dev/library/argparse.html#the-namespace-object
13 var $$ = require('./utils');
16 * new Namespace(options)
17 * - options(object): predefined propertis for result object
20 var Namespace = module.exports = function Namespace(options) {
21 $$.extend(this, options);
25 * Namespace#isset(key) -> Boolean
26 * - key (string|number): property name
28 * Tells whenever `namespace` contains given `key` or not.
30 Namespace.prototype.isset = function (key) {
31 return $$.has(this, key);
35 * Namespace#set(key, value) -> self
36 * -key (string|number|object): propery name
37 * -value (mixed): new property value
39 * Set the property named key with value.
40 * If key object then set all key properties to namespace object
42 Namespace.prototype.set = function (key, value) {
43 if (typeof (key) === 'object') {
52 * Namespace#get(key, defaultValue) -> mixed
53 * - key (string|number): property name
54 * - defaultValue (mixed): default value
56 * Return the property key or defaulValue if not set
58 Namespace.prototype.get = function (key, defaultValue) {
59 return !this[key] ? defaultValue : this[key];
63 * Namespace#unset(key, defaultValue) -> mixed
64 * - key (string|number): property name
65 * - defaultValue (mixed): default value
67 * Return data[key](and delete it) or defaultValue
69 Namespace.prototype.unset = function (key, defaultValue) {
70 var value = this[key];