<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"> <style>
	.KEYW {color: #933;}
	.COMM {color: #bbb; font-style: italic;}
	.NUMB {color: #393;}
	.STRN {color: #393;}
	.REGX {color: #339;}
	.line {border-right: 1px dotted #666; color: #666; font-style: normal;}
	</style></head><body><pre><span class='line'>  1</span> <span class="COMM">/**
<span class='line'>  2</span>  * Hilo
<span class='line'>  3</span>  * Copyright 2015 alibaba.com
<span class='line'>  4</span>  * Licensed under the MIT License
<span class='line'>  5</span>  */</span><span class="WHIT">
<span class='line'>  6</span> 
<span class='line'>  7</span> </span><span class="COMM">/**
<span class='line'>  8</span>  * 创建类示例：
<span class='line'>  9</span>  * &lt;pre>
<span class='line'> 10</span>  * var Bird = Hilo.Class.create({
<span class='line'> 11</span>  *     Extends: Animal,
<span class='line'> 12</span>  *     Mixes: EventMixin,
<span class='line'> 13</span>  *     constructor: function(name){
<span class='line'> 14</span>  *         this.name = name;
<span class='line'> 15</span>  *     },
<span class='line'> 16</span>  *     fly: function(){
<span class='line'> 17</span>  *         console.log('I am flying');
<span class='line'> 18</span>  *     },
<span class='line'> 19</span>  *     Statics: {
<span class='line'> 20</span>  *         isBird: function(bird){
<span class='line'> 21</span>  *             return bird instanceof Bird;
<span class='line'> 22</span>  *         }
<span class='line'> 23</span>  *     }
<span class='line'> 24</span>  * });
<span class='line'> 25</span>  *
<span class='line'> 26</span>  * var swallow = new Bird('swallow');
<span class='line'> 27</span>  * swallow.fly();
<span class='line'> 28</span>  * Bird.isBird(swallow);
<span class='line'> 29</span>  * &lt;/pre>
<span class='line'> 30</span>  * @namespace Class是提供类的创建的辅助工具。
<span class='line'> 31</span>  * @static
<span class='line'> 32</span>  * @module hilo/core/Class
<span class='line'> 33</span>  */</span><span class="WHIT">
<span class='line'> 34</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Class</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 35</span> 
<span class='line'> 36</span> </span><span class="COMM">/**
<span class='line'> 37</span>  * 根据参数指定的属性和方法创建类。
<span class='line'> 38</span>  * @param {Object} properties 要创建的类的相关属性和方法。主要有：
<span class='line'> 39</span>  * &lt;ul>
<span class='line'> 40</span>  * &lt;li>&lt;b>Extends&lt;/b> - 指定要继承的父类。&lt;/li>
<span class='line'> 41</span>  * &lt;li>&lt;b>Mixes&lt;/b> - 指定要混入的成员集合对象。&lt;/li>
<span class='line'> 42</span>  * &lt;li>&lt;b>Statics&lt;/b> - 指定类的静态属性或方法。&lt;/li>
<span class='line'> 43</span>  * &lt;li>&lt;b>constructor&lt;/b> - 指定类的构造函数。&lt;/li>
<span class='line'> 44</span>  * &lt;li>其他创建类的成员属性或方法。&lt;/li>
<span class='line'> 45</span>  * &lt;/ul>
<span class='line'> 46</span>  * @returns {Object} 创建的类。
<span class='line'> 47</span>  */</span><span class="WHIT">
<span class='line'> 48</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">create</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 49</span> </span><span class="WHIT">    </span><span class="NAME">properties</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 50</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">clazz</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">properties.hasOwnProperty</span><span class="PUNC">(</span><span class="STRN">'constructor'</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="PUNC">?</span><span class="WHIT"> </span><span class="NAME">properties.constructor</span><span class="WHIT"> </span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 51</span> </span><span class="WHIT">    </span><span class="NAME">implement.call</span><span class="PUNC">(</span><span class="NAME">clazz</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 52</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">clazz</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 53</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 54</span> 
<span class='line'> 55</span> </span><span class="COMM">/**
<span class='line'> 56</span>  * @private
<span class='line'> 57</span>  */</span><span class="WHIT">
<span class='line'> 58</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">implement</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 59</span> </span><span class="WHIT">    </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">key</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">value</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 60</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="NAME">key</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 61</span> </span><span class="WHIT">        </span><span class="NAME">value</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 62</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">classMutators.hasOwnProperty</span><span class="PUNC">(</span><span class="NAME">key</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 63</span> </span><span class="WHIT">            </span><span class="NAME">classMutators</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="PUNC">.</span><span class="NAME">call</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">value</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 64</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 65</span> </span><span class="WHIT">            </span><span class="NAME">proto</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">value</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 66</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 67</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 68</span> 
<span class='line'> 69</span> </span><span class="WHIT">    </span><span class="NAME">mix</span><span class="PUNC">(</span><span class="NAME">this.prototype</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 70</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 71</span> 
<span class='line'> 72</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">classMutators</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="COMM">/** @ignore */</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 73</span> </span><span class="WHIT">    </span><span class="NAME">Extends</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">parent</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 74</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">existed</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.prototype</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">createProto</span><span class="PUNC">(</span><span class="NAME">parent.prototype</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 75</span> </span><span class="WHIT">        </span><span class="COMM">//inherit static properites</span><span class="WHIT">
<span class='line'> 76</span> </span><span class="WHIT">        </span><span class="NAME">mix</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">parent</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 77</span> </span><span class="WHIT">        </span><span class="COMM">//keep existed properties</span><span class="WHIT">
<span class='line'> 78</span> </span><span class="WHIT">        </span><span class="NAME">mix</span><span class="PUNC">(</span><span class="NAME">proto</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">existed</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 79</span> </span><span class="WHIT">        </span><span class="COMM">//correct constructor</span><span class="WHIT">
<span class='line'> 80</span> </span><span class="WHIT">        </span><span class="NAME">proto.constructor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">this</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 81</span> </span><span class="WHIT">        </span><span class="COMM">//prototype chaining</span><span class="WHIT">
<span class='line'> 82</span> </span><span class="WHIT">        </span><span class="NAME">this.prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 83</span> </span><span class="WHIT">        </span><span class="COMM">//shortcut to parent's prototype</span><span class="WHIT">
<span class='line'> 84</span> </span><span class="WHIT">        </span><span class="NAME">this.superclass</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">parent.prototype</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 85</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 86</span> 
<span class='line'> 87</span> </span><span class="WHIT">    </span><span class="NAME">Mixes</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">items</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 88</span> </span><span class="WHIT">        </span><span class="NAME">items</span><span class="WHIT"> </span><span class="KEYW">instanceof</span><span class="WHIT"> </span><span class="NAME">Array</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="NAME">items</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">[</span><span class="NAME">items</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 89</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">this.prototype</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">item</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 90</span> 
<span class='line'> 91</span> </span><span class="WHIT">        </span><span class="KEYW">while</span><span class="PUNC">(</span><span class="NAME">item</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">items.shift</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 92</span> </span><span class="WHIT">            </span><span class="NAME">mix</span><span class="PUNC">(</span><span class="NAME">proto</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">item.prototype</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="NAME">item</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 93</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 94</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT">
<span class='line'> 95</span> 
<span class='line'> 96</span> </span><span class="WHIT">    </span><span class="NAME">Statics</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'> 97</span> </span><span class="WHIT">        </span><span class="NAME">mix</span><span class="PUNC">(</span><span class="KEYW">this</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">properties</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'> 98</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'> 99</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>100</span> 
<span class='line'>101</span> </span><span class="COMM">/**
<span class='line'>102</span>  * @private
<span class='line'>103</span>  */</span><span class="WHIT">
<span class='line'>104</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">createProto</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="PUNC">(</span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>105</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">Object.__proto__</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>106</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">proto</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>107</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">__proto__</span><span class="PUNC">:</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>108</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>109</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="KEYW">else</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>110</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">Ctor</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>111</span> </span><span class="WHIT">        </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">proto</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>112</span> </span><span class="WHIT">            </span><span class="NAME">Ctor.prototype</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">proto</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>113</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="KEYW">new</span><span class="WHIT"> </span><span class="NAME">Ctor</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>114</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>115</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>116</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>117</span> 
<span class='line'>118</span> </span><span class="COMM">/**
<span class='line'>119</span>  * 混入属性或方法。
<span class='line'>120</span>  * @param {Object} target 混入目标对象。
<span class='line'>121</span>  * @param {Object} source 要混入的属性和方法来源。可支持多个来源参数。
<span class='line'>122</span>  * @returns {Object} 混入目标对象。
<span class='line'>123</span>  */</span><span class="WHIT">
<span class='line'>124</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">mix</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>125</span> </span><span class="WHIT">    </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NUMB">1</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">len</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments.length</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="WHIT"> </span><span class="PUNC">&lt;</span><span class="WHIT"> </span><span class="NAME">len</span><span class="PUNC">;</span><span class="WHIT"> </span><span class="NAME">i</span><span class="PUNC">++</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>126</span> </span><span class="WHIT">        </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">source</span><span class="WHIT">  </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">arguments</span><span class="PUNC">[</span><span class="NAME">i</span><span class="PUNC">]</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">defineProps</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>127</span> </span><span class="WHIT">        </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">key</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">source</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>128</span> </span><span class="WHIT">            </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">source</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>129</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="WHIT"> </span><span class="PUNC">&&</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'object'</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>130</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">prop.value</span><span class="WHIT"> </span><span class="PUNC">!==</span><span class="WHIT"> </span><span class="NAME">undefined</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">prop.get</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'function'</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="KEYW">typeof</span><span class="WHIT"> </span><span class="NAME">prop.set</span><span class="WHIT"> </span><span class="PUNC">===</span><span class="WHIT"> </span><span class="STRN">'function'</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>131</span> </span><span class="WHIT">                    </span><span class="NAME">defineProps</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">defineProps</span><span class="WHIT"> </span><span class="PUNC">||</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>132</span> </span><span class="WHIT">                    </span><span class="NAME">defineProps</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>133</span> </span><span class="WHIT">                    </span><span class="KEYW">continue</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>134</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>135</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>136</span> </span><span class="WHIT">            </span><span class="NAME">target</span><span class="PUNC">[</span><span class="NAME">key</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>137</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>138</span> </span><span class="WHIT">        </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">defineProps</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">defineProperties</span><span class="PUNC">(</span><span class="NAME">target</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">defineProps</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>139</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>140</span> 
<span class='line'>141</span> </span><span class="WHIT">    </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">target</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>142</span> </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>143</span> 
<span class='line'>144</span> </span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">defineProperty</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">defineProperties</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>145</span> </span><span class="KEYW">try</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>146</span> </span><span class="WHIT">    </span><span class="NAME">defineProperty</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Object.defineProperty</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>147</span> </span><span class="WHIT">    </span><span class="NAME">defineProperties</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">Object.defineProperties</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>148</span> </span><span class="WHIT">    </span><span class="NAME">defineProperty</span><span class="PUNC">(</span><span class="PUNC">{</span><span class="PUNC">}</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="STRN">'$'</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">value</span><span class="PUNC">:</span><span class="NUMB">0</span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>149</span> </span><span class="PUNC">}</span><span class="KEYW">catch</span><span class="PUNC">(</span><span class="NAME">e</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>150</span> </span><span class="WHIT">    </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="STRN">'__defineGetter__'</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">Object</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>151</span> </span><span class="WHIT">        </span><span class="NAME">defineProperty</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">desc</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>152</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="STRN">'value'</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">desc</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="PUNC">[</span><span class="NAME">prop</span><span class="PUNC">]</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="NAME">desc.value</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>153</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="STRN">'get'</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">desc</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">obj.__defineGetter__</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">desc.get</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>154</span> </span><span class="WHIT">            </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="STRN">'set'</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">desc</span><span class="PUNC">)</span><span class="WHIT"> </span><span class="NAME">obj.__defineSetter__</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">desc.set</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>155</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>156</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>157</span> </span><span class="WHIT">        </span><span class="NAME">defineProperties</span><span class="WHIT"> </span><span class="PUNC">=</span><span class="WHIT"> </span><span class="KEYW">function</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">props</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>158</span> </span><span class="WHIT">            </span><span class="KEYW">for</span><span class="PUNC">(</span><span class="KEYW">var</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="WHIT"> </span><span class="KEYW">in</span><span class="WHIT"> </span><span class="NAME">props</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>159</span> </span><span class="WHIT">                </span><span class="KEYW">if</span><span class="PUNC">(</span><span class="NAME">props.hasOwnProperty</span><span class="PUNC">(</span><span class="NAME">prop</span><span class="PUNC">)</span><span class="PUNC">)</span><span class="PUNC">{</span><span class="WHIT">
<span class='line'>160</span> </span><span class="WHIT">                    </span><span class="NAME">defineProperty</span><span class="PUNC">(</span><span class="NAME">obj</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">prop</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">props</span><span class="PUNC">[</span><span class="NAME">prop</span><span class="PUNC">]</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>161</span> </span><span class="WHIT">                </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>162</span> </span><span class="WHIT">            </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>163</span> </span><span class="WHIT">            </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="NAME">obj</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>164</span> </span><span class="WHIT">        </span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>165</span> </span><span class="WHIT">    </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>166</span> </span><span class="PUNC">}</span><span class="WHIT">
<span class='line'>167</span> 
<span class='line'>168</span> </span><span class="KEYW">return</span><span class="WHIT"> </span><span class="PUNC">{</span><span class="NAME">create</span><span class="PUNC">:</span><span class="NAME">create</span><span class="PUNC">,</span><span class="WHIT"> </span><span class="NAME">mix</span><span class="PUNC">:</span><span class="NAME">mix</span><span class="PUNC">}</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>169</span> 
<span class='line'>170</span> </span><span class="PUNC">}</span><span class="PUNC">)</span><span class="PUNC">(</span><span class="PUNC">)</span><span class="PUNC">;</span><span class="WHIT">
<span class='line'>171</span> </span></pre></body></html>