selenium-webdriver

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The official WebDriver JavaScript bindings from the Selenium project

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<!DOCTYPE html><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"><meta http-equiv="Content-Language" content="en"><meta http-equiv="X-UA-Compatible" content="IE=edge"><title>base.js</title><link href="../../../dossier.css" rel="stylesheet" type="text/css"><header><div><form><div><input type="search" placeholder="Search" tabindex="1"></div></form></div></header><main><article class="srcfile"><h1>lib/goog/base.js</h1><div><table><tr><td><a id="l1"></a><a href="#l1">1</a><td>// Copyright 2006 The Closure Library Authors. All Rights Reserved.<tr><td><a id="l2"></a><a href="#l2">2</a><td>//<tr><td><a id="l3"></a><a href="#l3">3</a><td>// Licensed under the Apache License, Version 2.0 (the "License");<tr><td><a id="l4"></a><a href="#l4">4</a><td>// you may not use this file except in compliance with the License.<tr><td><a id="l5"></a><a href="#l5">5</a><td>// You may obtain a copy of the License at<tr><td><a id="l6"></a><a href="#l6">6</a><td>//<tr><td><a id="l7"></a><a href="#l7">7</a><td>// http://www.apache.org/licenses/LICENSE-2.0<tr><td><a id="l8"></a><a href="#l8">8</a><td>//<tr><td><a id="l9"></a><a href="#l9">9</a><td>// Unless required by applicable law or agreed to in writing, software<tr><td><a id="l10"></a><a href="#l10">10</a><td>// distributed under the License is distributed on an "AS-IS" BASIS,<tr><td><a id="l11"></a><a href="#l11">11</a><td>// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<tr><td><a id="l12"></a><a href="#l12">12</a><td>// See the License for the specific language governing permissions and<tr><td><a id="l13"></a><a href="#l13">13</a><td>// limitations under the License.<tr><td><a id="l14"></a><a href="#l14">14</a><td><tr><td><a id="l15"></a><a href="#l15">15</a><td>/**<tr><td><a id="l16"></a><a href="#l16">16</a><td> * @fileoverview Bootstrap for the Google JS Library (Closure).<tr><td><a id="l17"></a><a href="#l17">17</a><td> *<tr><td><a id="l18"></a><a href="#l18">18</a><td> * In uncompiled mode base.js will write out Closure's deps file, unless the<tr><td><a id="l19"></a><a href="#l19">19</a><td> * global <code>CLOSURE_NO_DEPS</code> is set to true. This allows projects to<tr><td><a id="l20"></a><a href="#l20">20</a><td> * include their own deps file(s) from different locations.<tr><td><a id="l21"></a><a href="#l21">21</a><td> *<tr><td><a id="l22"></a><a href="#l22">22</a><td> * @author arv@google.com (Erik Arvidsson)<tr><td><a id="l23"></a><a href="#l23">23</a><td> *<tr><td><a id="l24"></a><a href="#l24">24</a><td> * @provideGoog<tr><td><a id="l25"></a><a href="#l25">25</a><td> */<tr><td><a id="l26"></a><a href="#l26">26</a><td><tr><td><a id="l27"></a><a href="#l27">27</a><td><tr><td><a id="l28"></a><a href="#l28">28</a><td>/**<tr><td><a id="l29"></a><a href="#l29">29</a><td> * @define {boolean} Overridden to true by the compiler when<tr><td><a id="l30"></a><a href="#l30">30</a><td> * --process_closure_primitives is specified.<tr><td><a id="l31"></a><a href="#l31">31</a><td> */<tr><td><a id="l32"></a><a href="#l32">32</a><td>var COMPILED = false;<tr><td><a id="l33"></a><a href="#l33">33</a><td><tr><td><a id="l34"></a><a href="#l34">34</a><td><tr><td><a id="l35"></a><a href="#l35">35</a><td>/**<tr><td><a id="l36"></a><a href="#l36">36</a><td> * Base namespace for the Closure library. Checks to see goog is already<tr><td><a id="l37"></a><a href="#l37">37</a><td> * defined in the current scope before assigning to prevent clobbering if<tr><td><a id="l38"></a><a href="#l38">38</a><td> * base.js is loaded more than once.<tr><td><a id="l39"></a><a href="#l39">39</a><td> *<tr><td><a id="l40"></a><a href="#l40">40</a><td> * @const<tr><td><a id="l41"></a><a href="#l41">41</a><td> */<tr><td><a id="l42"></a><a href="#l42">42</a><td>var goog = goog || {};<tr><td><a id="l43"></a><a href="#l43">43</a><td><tr><td><a id="l44"></a><a href="#l44">44</a><td><tr><td><a id="l45"></a><a href="#l45">45</a><td>/**<tr><td><a id="l46"></a><a href="#l46">46</a><td> * Reference to the global context. In most cases this will be 'window'.<tr><td><a id="l47"></a><a href="#l47">47</a><td> */<tr><td><a id="l48"></a><a href="#l48">48</a><td>goog.global = this;<tr><td><a id="l49"></a><a href="#l49">49</a><td><tr><td><a id="l50"></a><a href="#l50">50</a><td><tr><td><a id="l51"></a><a href="#l51">51</a><td>/**<tr><td><a id="l52"></a><a href="#l52">52</a><td> * A hook for overriding the define values in uncompiled mode.<tr><td><a id="l53"></a><a href="#l53">53</a><td> *<tr><td><a id="l54"></a><a href="#l54">54</a><td> * In uncompiled mode, {@code CLOSURE_UNCOMPILED_DEFINES} may be defined before<tr><td><a id="l55"></a><a href="#l55">55</a><td> * loading base.js. If a key is defined in {@code CLOSURE_UNCOMPILED_DEFINES},<tr><td><a id="l56"></a><a href="#l56">56</a><td> * {@code goog.define} will use the value instead of the default value. This<tr><td><a id="l57"></a><a href="#l57">57</a><td> * allows flags to be overwritten without compilation (this is normally<tr><td><a id="l58"></a><a href="#l58">58</a><td> * accomplished with the compiler's "define" flag).<tr><td><a id="l59"></a><a href="#l59">59</a><td> *<tr><td><a id="l60"></a><a href="#l60">60</a><td> * Example:<tr><td><a id="l61"></a><a href="#l61">61</a><td> * <pre><tr><td><a id="l62"></a><a href="#l62">62</a><td> * var CLOSURE_UNCOMPILED_DEFINES = {'goog.DEBUG': false};<tr><td><a id="l63"></a><a href="#l63">63</a><td> * </pre><tr><td><a id="l64"></a><a href="#l64">64</a><td> *<tr><td><a id="l65"></a><a href="#l65">65</a><td> * @type {Object<string, (string|number|boolean)>|undefined}<tr><td><a id="l66"></a><a href="#l66">66</a><td> */<tr><td><a id="l67"></a><a href="#l67">67</a><td>goog.global.CLOSURE_UNCOMPILED_DEFINES;<tr><td><a id="l68"></a><a href="#l68">68</a><td><tr><td><a id="l69"></a><a href="#l69">69</a><td><tr><td><a id="l70"></a><a href="#l70">70</a><td>/**<tr><td><a id="l71"></a><a href="#l71">71</a><td> * A hook for overriding the define values in uncompiled or compiled mode,<tr><td><a id="l72"></a><a href="#l72">72</a><td> * like CLOSURE_UNCOMPILED_DEFINES but effective in compiled code. In<tr><td><a id="l73"></a><a href="#l73">73</a><td> * uncompiled code CLOSURE_UNCOMPILED_DEFINES takes precedence.<tr><td><a id="l74"></a><a href="#l74">74</a><td> *<tr><td><a id="l75"></a><a href="#l75">75</a><td> * Also unlike CLOSURE_UNCOMPILED_DEFINES the values must be number, boolean or<tr><td><a id="l76"></a><a href="#l76">76</a><td> * string literals or the compiler will emit an error.<tr><td><a id="l77"></a><a href="#l77">77</a><td> *<tr><td><a id="l78"></a><a href="#l78">78</a><td> * While any @define value may be set, only those set with goog.define will be<tr><td><a id="l79"></a><a href="#l79">79</a><td> * effective for uncompiled code.<tr><td><a id="l80"></a><a href="#l80">80</a><td> *<tr><td><a id="l81"></a><a href="#l81">81</a><td> * Example:<tr><td><a id="l82"></a><a href="#l82">82</a><td> * <pre><tr><td><a id="l83"></a><a href="#l83">83</a><td> * var CLOSURE_DEFINES = {'goog.DEBUG': false} ;<tr><td><a id="l84"></a><a href="#l84">84</a><td> * </pre><tr><td><a id="l85"></a><a href="#l85">85</a><td> *<tr><td><a id="l86"></a><a href="#l86">86</a><td> * @type {Object<string, (string|number|boolean)>|undefined}<tr><td><a id="l87"></a><a href="#l87">87</a><td> */<tr><td><a id="l88"></a><a href="#l88">88</a><td>goog.global.CLOSURE_DEFINES;<tr><td><a id="l89"></a><a href="#l89">89</a><td><tr><td><a id="l90"></a><a href="#l90">90</a><td><tr><td><a id="l91"></a><a href="#l91">91</a><td>/**<tr><td><a id="l92"></a><a href="#l92">92</a><td> * Returns true if the specified value is not undefined.<tr><td><a id="l93"></a><a href="#l93">93</a><td> * WARNING: Do not use this to test if an object has a property. Use the in<tr><td><a id="l94"></a><a href="#l94">94</a><td> * operator instead.<tr><td><a id="l95"></a><a href="#l95">95</a><td> *<tr><td><a id="l96"></a><a href="#l96">96</a><td> * @param {?} val Variable to test.<tr><td><a id="l97"></a><a href="#l97">97</a><td> * @return {boolean} Whether variable is defined.<tr><td><a id="l98"></a><a href="#l98">98</a><td> */<tr><td><a id="l99"></a><a href="#l99">99</a><td>goog.isDef = function(val) {<tr><td><a id="l100"></a><a href="#l100">100</a><td> // void 0 always evaluates to undefined and hence we do not need to depend on<tr><td><a id="l101"></a><a href="#l101">101</a><td> // the definition of the global variable named 'undefined'.<tr><td><a id="l102"></a><a href="#l102">102</a><td> return val !== void 0;<tr><td><a id="l103"></a><a href="#l103">103</a><td>};<tr><td><a id="l104"></a><a href="#l104">104</a><td><tr><td><a id="l105"></a><a href="#l105">105</a><td><tr><td><a id="l106"></a><a href="#l106">106</a><td>/**<tr><td><a id="l107"></a><a href="#l107">107</a><td> * Builds an object structure for the provided namespace path, ensuring that<tr><td><a id="l108"></a><a href="#l108">108</a><td> * names that already exist are not overwritten. For example:<tr><td><a id="l109"></a><a href="#l109">109</a><td> * "a.b.c" -> a = {};a.b={};a.b.c={};<tr><td><a id="l110"></a><a href="#l110">110</a><td> * Used by goog.provide and goog.exportSymbol.<tr><td><a id="l111"></a><a href="#l111">111</a><td> * @param {string} name name of the object that this file defines.<tr><td><a id="l112"></a><a href="#l112">112</a><td> * @param {*=} opt_object the object to expose at the end of the path.<tr><td><a id="l113"></a><a href="#l113">113</a><td> * @param {Object=} opt_objectToExportTo The object to add the path to; default<tr><td><a id="l114"></a><a href="#l114">114</a><td> * is |goog.global|.<tr><td><a id="l115"></a><a href="#l115">115</a><td> * @private<tr><td><a id="l116"></a><a href="#l116">116</a><td> */<tr><td><a id="l117"></a><a href="#l117">117</a><td>goog.exportPath_ = function(name, opt_object, opt_objectToExportTo) {<tr><td><a id="l118"></a><a href="#l118">118</a><td> var parts = name.split('.');<tr><td><a id="l119"></a><a href="#l119">119</a><td> var cur = opt_objectToExportTo || goog.global;<tr><td><a id="l120"></a><a href="#l120">120</a><td><tr><td><a id="l121"></a><a href="#l121">121</a><td> // Internet Explorer exhibits strange behavior when throwing errors from<tr><td><a id="l122"></a><a href="#l122">122</a><td> // methods externed in this manner. See the testExportSymbolExceptions in<tr><td><a id="l123"></a><a href="#l123">123</a><td> // base_test.html for an example.<tr><td><a id="l124"></a><a href="#l124">124</a><td> if (!(parts[0] in cur) && cur.execScript) {<tr><td><a id="l125"></a><a href="#l125">125</a><td> cur.execScript('var ' + parts[0]);<tr><td><a id="l126"></a><a href="#l126">126</a><td> }<tr><td><a id="l127"></a><a href="#l127">127</a><td><tr><td><a id="l128"></a><a href="#l128">128</a><td> // Certain browsers cannot parse code in the form for((a in b); c;);<tr><td><a id="l129"></a><a href="#l129">129</a><td> // This pattern is produced by the JSCompiler when it collapses the<tr><td><a id="l130"></a><a href="#l130">130</a><td> // statement above into the conditional loop below. To prevent this from<tr><td><a id="l131"></a><a href="#l131">131</a><td> // happening, use a for-loop and reserve the init logic as below.<tr><td><a id="l132"></a><a href="#l132">132</a><td><tr><td><a id="l133"></a><a href="#l133">133</a><td> // Parentheses added to eliminate strict JS warning in Firefox.<tr><td><a id="l134"></a><a href="#l134">134</a><td> for (var part; parts.length && (part = parts.shift());) {<tr><td><a id="l135"></a><a href="#l135">135</a><td> if (!parts.length && goog.isDef(opt_object)) {<tr><td><a id="l136"></a><a href="#l136">136</a><td> // last part and we have an object; use it<tr><td><a id="l137"></a><a href="#l137">137</a><td> cur[part] = opt_object;<tr><td><a id="l138"></a><a href="#l138">138</a><td> } else if (cur[part]) {<tr><td><a id="l139"></a><a href="#l139">139</a><td> cur = cur[part];<tr><td><a id="l140"></a><a href="#l140">140</a><td> } else {<tr><td><a id="l141"></a><a href="#l141">141</a><td> cur = cur[part] = {};<tr><td><a id="l142"></a><a href="#l142">142</a><td> }<tr><td><a id="l143"></a><a href="#l143">143</a><td> }<tr><td><a id="l144"></a><a href="#l144">144</a><td>};<tr><td><a id="l145"></a><a href="#l145">145</a><td><tr><td><a id="l146"></a><a href="#l146">146</a><td><tr><td><a id="l147"></a><a href="#l147">147</a><td>/**<tr><td><a id="l148"></a><a href="#l148">148</a><td> * Defines a named value. In uncompiled mode, the value is retrieved from<tr><td><a id="l149"></a><a href="#l149">149</a><td> * CLOSURE_DEFINES or CLOSURE_UNCOMPILED_DEFINES if the object is defined and<tr><td><a id="l150"></a><a href="#l150">150</a><td> * has the property specified, and otherwise used the defined defaultValue.<tr><td><a id="l151"></a><a href="#l151">151</a><td> * When compiled the default can be overridden using the compiler<tr><td><a id="l152"></a><a href="#l152">152</a><td> * options or the value set in the CLOSURE_DEFINES object.<tr><td><a id="l153"></a><a href="#l153">153</a><td> *<tr><td><a id="l154"></a><a href="#l154">154</a><td> * @param {string} name The distinguished name to provide.<tr><td><a id="l155"></a><a href="#l155">155</a><td> * @param {string|number|boolean} defaultValue<tr><td><a id="l156"></a><a href="#l156">156</a><td> */<tr><td><a id="l157"></a><a href="#l157">157</a><td>goog.define = function(name, defaultValue) {<tr><td><a id="l158"></a><a href="#l158">158</a><td> var value = defaultValue;<tr><td><a id="l159"></a><a href="#l159">159</a><td> if (!COMPILED) {<tr><td><a id="l160"></a><a href="#l160">160</a><td> if (goog.global.CLOSURE_UNCOMPILED_DEFINES &&<tr><td><a id="l161"></a><a href="#l161">161</a><td> Object.prototype.hasOwnProperty.call(<tr><td><a id="l162"></a><a href="#l162">162</a><td> goog.global.CLOSURE_UNCOMPILED_DEFINES, name)) {<tr><td><a id="l163"></a><a href="#l163">163</a><td> value = goog.global.CLOSURE_UNCOMPILED_DEFINES[name];<tr><td><a id="l164"></a><a href="#l164">164</a><td> } else if (goog.global.CLOSURE_DEFINES &&<tr><td><a id="l165"></a><a href="#l165">165</a><td> Object.prototype.hasOwnProperty.call(<tr><td><a id="l166"></a><a href="#l166">166</a><td> goog.global.CLOSURE_DEFINES, name)) {<tr><td><a id="l167"></a><a href="#l167">167</a><td> value = goog.global.CLOSURE_DEFINES[name];<tr><td><a id="l168"></a><a href="#l168">168</a><td> }<tr><td><a id="l169"></a><a href="#l169">169</a><td> }<tr><td><a id="l170"></a><a href="#l170">170</a><td> goog.exportPath_(name, value);<tr><td><a id="l171"></a><a href="#l171">171</a><td>};<tr><td><a id="l172"></a><a href="#l172">172</a><td><tr><td><a id="l173"></a><a href="#l173">173</a><td><tr><td><a id="l174"></a><a href="#l174">174</a><td>/**<tr><td><a id="l175"></a><a href="#l175">175</a><td> * @define {boolean} DEBUG is provided as a convenience so that debugging code<tr><td><a id="l176"></a><a href="#l176">176</a><td> * that should not be included in a production js_binary can be easily stripped<tr><td><a id="l177"></a><a href="#l177">177</a><td> * by specifying --define goog.DEBUG=false to the JSCompiler. For example, most<tr><td><a id="l178"></a><a href="#l178">178</a><td> * toString() methods should be declared inside an "if (goog.DEBUG)" conditional<tr><td><a id="l179"></a><a href="#l179">179</a><td> * because they are generally used for debugging purposes and it is difficult<tr><td><a id="l180"></a><a href="#l180">180</a><td> * for the JSCompiler to statically determine whether they are used.<tr><td><a id="l181"></a><a href="#l181">181</a><td> */<tr><td><a id="l182"></a><a href="#l182">182</a><td>goog.define('goog.DEBUG', true);<tr><td><a id="l183"></a><a href="#l183">183</a><td><tr><td><a id="l184"></a><a href="#l184">184</a><td><tr><td><a id="l185"></a><a href="#l185">185</a><td>/**<tr><td><a id="l186"></a><a href="#l186">186</a><td> * @define {string} LOCALE defines the locale being used for compilation. It is<tr><td><a id="l187"></a><a href="#l187">187</a><td> * used to select locale specific data to be compiled in js binary. BUILD rule<tr><td><a id="l188"></a><a href="#l188">188</a><td> * can specify this value by "--define goog.LOCALE=<locale_name>" as JSCompiler<tr><td><a id="l189"></a><a href="#l189">189</a><td> * option.<tr><td><a id="l190"></a><a href="#l190">190</a><td> *<tr><td><a id="l191"></a><a href="#l191">191</a><td> * Take into account that the locale code format is important. You should use<tr><td><a id="l192"></a><a href="#l192">192</a><td> * the canonical Unicode format with hyphen as a delimiter. Language must be<tr><td><a id="l193"></a><a href="#l193">193</a><td> * lowercase, Language Script - Capitalized, Region - UPPERCASE.<tr><td><a id="l194"></a><a href="#l194">194</a><td> * There are few examples: pt-BR, en, en-US, sr-Latin-BO, zh-Hans-CN.<tr><td><a id="l195"></a><a href="#l195">195</a><td> *<tr><td><a id="l196"></a><a href="#l196">196</a><td> * See more info about locale codes here:<tr><td><a id="l197"></a><a href="#l197">197</a><td> * http://www.unicode.org/reports/tr35/#Unicode_Language_and_Locale_Identifiers<tr><td><a id="l198"></a><a href="#l198">198</a><td> *<tr><td><a id="l199"></a><a href="#l199">199</a><td> * For language codes you should use values defined by ISO 693-1. See it here<tr><td><a id="l200"></a><a href="#l200">200</a><td> * http://www.w3.org/WAI/ER/IG/ert/iso639.htm. There is only one exception from<tr><td><a id="l201"></a><a href="#l201">201</a><td> * this rule: the Hebrew language. For legacy reasons the old code (iw) should<tr><td><a id="l202"></a><a href="#l202">202</a><td> * be used instead of the new code (he), see http://wiki/Main/IIISynonyms.<tr><td><a id="l203"></a><a href="#l203">203</a><td> */<tr><td><a id="l204"></a><a href="#l204">204</a><td>goog.define('goog.LOCALE', 'en'); // default to en<tr><td><a id="l205"></a><a href="#l205">205</a><td><tr><td><a id="l206"></a><a href="#l206">206</a><td><tr><td><a id="l207"></a><a href="#l207">207</a><td>/**<tr><td><a id="l208"></a><a href="#l208">208</a><td> * @define {boolean} Whether this code is running on trusted sites.<tr><td><a id="l209"></a><a href="#l209">209</a><td> *<tr><td><a id="l210"></a><a href="#l210">210</a><td> * On untrusted sites, several native functions can be defined or overridden by<tr><td><a id="l211"></a><a href="#l211">211</a><td> * external libraries like Prototype, Datejs, and JQuery and setting this flag<tr><td><a id="l212"></a><a href="#l212">212</a><td> * to false forces closure to use its own implementations when possible.<tr><td><a id="l213"></a><a href="#l213">213</a><td> *<tr><td><a id="l214"></a><a href="#l214">214</a><td> * If your JavaScript can be loaded by a third party site and you are wary about<tr><td><a id="l215"></a><a href="#l215">215</a><td> * relying on non-standard implementations, specify<tr><td><a id="l216"></a><a href="#l216">216</a><td> * "--define goog.TRUSTED_SITE=false" to the JSCompiler.<tr><td><a id="l217"></a><a href="#l217">217</a><td> */<tr><td><a id="l218"></a><a href="#l218">218</a><td>goog.define('goog.TRUSTED_SITE', true);<tr><td><a id="l219"></a><a href="#l219">219</a><td><tr><td><a id="l220"></a><a href="#l220">220</a><td><tr><td><a id="l221"></a><a href="#l221">221</a><td>/**<tr><td><a id="l222"></a><a href="#l222">222</a><td> * @define {boolean} Whether a project is expected to be running in strict mode.<tr><td><a id="l223"></a><a href="#l223">223</a><td> *<tr><td><a id="l224"></a><a href="#l224">224</a><td> * This define can be used to trigger alternate implementations compatible with<tr><td><a id="l225"></a><a href="#l225">225</a><td> * running in EcmaScript Strict mode or warn about unavailable functionality.<tr><td><a id="l226"></a><a href="#l226">226</a><td> * @see https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions_and_function_scope/Strict_mode<tr><td><a id="l227"></a><a href="#l227">227</a><td> *<tr><td><a id="l228"></a><a href="#l228">228</a><td> */<tr><td><a id="l229"></a><a href="#l229">229</a><td>goog.define('goog.STRICT_MODE_COMPATIBLE', false);<tr><td><a id="l230"></a><a href="#l230">230</a><td><tr><td><a id="l231"></a><a href="#l231">231</a><td><tr><td><a id="l232"></a><a href="#l232">232</a><td>/**<tr><td><a id="l233"></a><a href="#l233">233</a><td> * @define {boolean} Whether code that calls {@link goog.setTestOnly} should<tr><td><a id="l234"></a><a href="#l234">234</a><td> * be disallowed in the compilation unit.<tr><td><a id="l235"></a><a href="#l235">235</a><td> */<tr><td><a id="l236"></a><a href="#l236">236</a><td>goog.define('goog.DISALLOW_TEST_ONLY_CODE', COMPILED && !goog.DEBUG);<tr><td><a id="l237"></a><a href="#l237">237</a><td><tr><td><a id="l238"></a><a href="#l238">238</a><td><tr><td><a id="l239"></a><a href="#l239">239</a><td>/**<tr><td><a id="l240"></a><a href="#l240">240</a><td> * @define {boolean} Whether to use a Chrome app CSP-compliant method for<tr><td><a id="l241"></a><a href="#l241">241</a><td> * loading scripts via goog.require. @see appendScriptSrcNode_.<tr><td><a id="l242"></a><a href="#l242">242</a><td> */<tr><td><a id="l243"></a><a href="#l243">243</a><td>goog.define('goog.ENABLE_CHROME_APP_SAFE_SCRIPT_LOADING', false);<tr><td><a id="l244"></a><a href="#l244">244</a><td><tr><td><a id="l245"></a><a href="#l245">245</a><td><tr><td><a id="l246"></a><a href="#l246">246</a><td>/**<tr><td><a id="l247"></a><a href="#l247">247</a><td> * Defines a namespace in Closure.<tr><td><a id="l248"></a><a href="#l248">248</a><td> *<tr><td><a id="l249"></a><a href="#l249">249</a><td> * A namespace may only be defined once in a codebase. It may be defined using<tr><td><a id="l250"></a><a href="#l250">250</a><td> * goog.provide() or goog.module().<tr><td><a id="l251"></a><a href="#l251">251</a><td> *<tr><td><a id="l252"></a><a href="#l252">252</a><td> * The presence of one or more goog.provide() calls in a file indicates<tr><td><a id="l253"></a><a href="#l253">253</a><td> * that the file defines the given objects/namespaces.<tr><td><a id="l254"></a><a href="#l254">254</a><td> * Provided symbols must not be null or undefined.<tr><td><a id="l255"></a><a href="#l255">255</a><td> *<tr><td><a id="l256"></a><a href="#l256">256</a><td> * In addition, goog.provide() creates the object stubs for a namespace<tr><td><a id="l257"></a><a href="#l257">257</a><td> * (for example, goog.provide("goog.foo.bar") will create the object<tr><td><a id="l258"></a><a href="#l258">258</a><td> * goog.foo.bar if it does not already exist).<tr><td><a id="l259"></a><a href="#l259">259</a><td> *<tr><td><a id="l260"></a><a href="#l260">260</a><td> * Build tools also scan for provide/require/module statements<tr><td><a id="l261"></a><a href="#l261">261</a><td> * to discern dependencies, build dependency files (see deps.js), etc.<tr><td><a id="l262"></a><a href="#l262">262</a><td> *<tr><td><a id="l263"></a><a href="#l263">263</a><td> * @see goog.require<tr><td><a id="l264"></a><a href="#l264">264</a><td> * @see goog.module<tr><td><a id="l265"></a><a href="#l265">265</a><td> * @param {string} name Namespace provided by this file in the form<tr><td><a id="l266"></a><a href="#l266">266</a><td> * "goog.package.part".<tr><td><a id="l267"></a><a href="#l267">267</a><td> */<tr><td><a id="l268"></a><a href="#l268">268</a><td>goog.provide = function(name) {<tr><td><a id="l269"></a><a href="#l269">269</a><td> if (!COMPILED) {<tr><td><a id="l270"></a><a href="#l270">270</a><td> // Ensure that the same namespace isn't provided twice.<tr><td><a id="l271"></a><a href="#l271">271</a><td> // A goog.module/goog.provide maps a goog.require to a specific file<tr><td><a id="l272"></a><a href="#l272">272</a><td> if (goog.isProvided_(name)) {<tr><td><a id="l273"></a><a href="#l273">273</a><td> throw Error('Namespace "' + name + '" already declared.');<tr><td><a id="l274"></a><a href="#l274">274</a><td> }<tr><td><a id="l275"></a><a href="#l275">275</a><td> }<tr><td><a id="l276"></a><a href="#l276">276</a><td><tr><td><a id="l277"></a><a href="#l277">277</a><td> goog.constructNamespace_(name);<tr><td><a id="l278"></a><a href="#l278">278</a><td>};<tr><td><a id="l279"></a><a href="#l279">279</a><td><tr><td><a id="l280"></a><a href="#l280">280</a><td><tr><td><a id="l281"></a><a href="#l281">281</a><td>/**<tr><td><a id="l282"></a><a href="#l282">282</a><td> * @param {string} name Namespace provided by this file in the form<tr><td><a id="l283"></a><a href="#l283">283</a><td> * "goog.package.part".<tr><td><a id="l284"></a><a href="#l284">284</a><td> * @param {Object=} opt_obj The object to embed in the namespace.<tr><td><a id="l285"></a><a href="#l285">285</a><td> * @private<tr><td><a id="l286"></a><a href="#l286">286</a><td> */<tr><td><a id="l287"></a><a href="#l287">287</a><td>goog.constructNamespace_ = function(name, opt_obj) {<tr><td><a id="l288"></a><a href="#l288">288</a><td> if (!COMPILED) {<tr><td><a id="l289"></a><a href="#l289">289</a><td> delete goog.implicitNamespaces_[name];<tr><td><a id="l290"></a><a href="#l290">290</a><td><tr><td><a id="l291"></a><a href="#l291">291</a><td> var namespace = name;<tr><td><a id="l292"></a><a href="#l292">292</a><td> while ((namespace = namespace.substring(0, namespace.lastIndexOf('.')))) {<tr><td><a id="l293"></a><a href="#l293">293</a><td> if (goog.getObjectByName(namespace)) {<tr><td><a id="l294"></a><a href="#l294">294</a><td> break;<tr><td><a id="l295"></a><a href="#l295">295</a><td> }<tr><td><a id="l296"></a><a href="#l296">296</a><td> goog.implicitNamespaces_[namespace] = true;<tr><td><a id="l297"></a><a href="#l297">297</a><td> }<tr><td><a id="l298"></a><a href="#l298">298</a><td> }<tr><td><a id="l299"></a><a href="#l299">299</a><td><tr><td><a id="l300"></a><a href="#l300">300</a><td> goog.exportPath_(name, opt_obj);<tr><td><a id="l301"></a><a href="#l301">301</a><td>};<tr><td><a id="l302"></a><a href="#l302">302</a><td><tr><td><a id="l303"></a><a href="#l303">303</a><td><tr><td><a id="l304"></a><a href="#l304">304</a><td>/**<tr><td><a id="l305"></a><a href="#l305">305</a><td> * Module identifier validation regexp.<tr><td><a id="l306"></a><a href="#l306">306</a><td> * Note: This is a conservative check, it is very possible to be more lenient,<tr><td><a id="l307"></a><a href="#l307">307</a><td> * the primary exclusion here is "/" and "\" and a leading ".", these<tr><td><a id="l308"></a><a href="#l308">308</a><td> * restrictions are intended to leave the door open for using goog.require<tr><td><a id="l309"></a><a href="#l309">309</a><td> * with relative file paths rather than module identifiers.<tr><td><a id="l310"></a><a href="#l310">310</a><td> * @private<tr><td><a id="l311"></a><a href="#l311">311</a><td> */<tr><td><a id="l312"></a><a href="#l312">312</a><td>goog.VALID_MODULE_RE_ = /^[a-zA-Z_$][a-zA-Z0-9._$]*$/;<tr><td><a id="l313"></a><a href="#l313">313</a><td><tr><td><a id="l314"></a><a href="#l314">314</a><td><tr><td><a id="l315"></a><a href="#l315">315</a><td>/**<tr><td><a id="l316"></a><a href="#l316">316</a><td> * Defines a module in Closure.<tr><td><a id="l317"></a><a href="#l317">317</a><td> *<tr><td><a id="l318"></a><a href="#l318">318</a><td> * Marks that this file must be loaded as a module and claims the namespace.<tr><td><a id="l319"></a><a href="#l319">319</a><td> *<tr><td><a id="l320"></a><a href="#l320">320</a><td> * A namespace may only be defined once in a codebase. It may be defined using<tr><td><a id="l321"></a><a href="#l321">321</a><td> * goog.provide() or goog.module().<tr><td><a id="l322"></a><a href="#l322">322</a><td> *<tr><td><a id="l323"></a><a href="#l323">323</a><td> * goog.module() has three requirements:<tr><td><a id="l324"></a><a href="#l324">324</a><td> * - goog.module may not be used in the same file as goog.provide.<tr><td><a id="l325"></a><a href="#l325">325</a><td> * - goog.module must be the first statement in the file.<tr><td><a id="l326"></a><a href="#l326">326</a><td> * - only one goog.module is allowed per file.<tr><td><a id="l327"></a><a href="#l327">327</a><td> *<tr><td><a id="l328"></a><a href="#l328">328</a><td> * When a goog.module annotated file is loaded, it is enclosed in<tr><td><a id="l329"></a><a href="#l329">329</a><td> * a strict function closure. This means that:<tr><td><a id="l330"></a><a href="#l330">330</a><td> * - any variables declared in a goog.module file are private to the file<tr><td><a id="l331"></a><a href="#l331">331</a><td> * (not global), though the compiler is expected to inline the module.<tr><td><a id="l332"></a><a href="#l332">332</a><td> * - The code must obey all the rules of "strict" JavaScript.<tr><td><a id="l333"></a><a href="#l333">333</a><td> * - the file will be marked as "use strict"<tr><td><a id="l334"></a><a href="#l334">334</a><td> *<tr><td><a id="l335"></a><a href="#l335">335</a><td> * NOTE: unlike goog.provide, goog.module does not declare any symbols by<tr><td><a id="l336"></a><a href="#l336">336</a><td> * itself. If declared symbols are desired, use<tr><td><a id="l337"></a><a href="#l337">337</a><td> * goog.module.declareLegacyNamespace().<tr><td><a id="l338"></a><a href="#l338">338</a><td> *<tr><td><a id="l339"></a><a href="#l339">339</a><td> *<tr><td><a id="l340"></a><a href="#l340">340</a><td> * See the public goog.module proposal: http://goo.gl/Va1hin<tr><td><a id="l341"></a><a href="#l341">341</a><td> *<tr><td><a id="l342"></a><a href="#l342">342</a><td> * @param {string} name Namespace provided by this file in the form<tr><td><a id="l343"></a><a href="#l343">343</a><td> * "goog.package.part", is expected but not required.<tr><td><a id="l344"></a><a href="#l344">344</a><td> */<tr><td><a id="l345"></a><a href="#l345">345</a><td>goog.module = function(name) {<tr><td><a id="l346"></a><a href="#l346">346</a><td> if (!goog.isString(name) ||<tr><td><a id="l347"></a><a href="#l347">347</a><td> !name ||<tr><td><a id="l348"></a><a href="#l348">348</a><td> name.search(goog.VALID_MODULE_RE_) == -1) {<tr><td><a id="l349"></a><a href="#l349">349</a><td> throw Error('Invalid module identifier');<tr><td><a id="l350"></a><a href="#l350">350</a><td> }<tr><td><a id="l351"></a><a href="#l351">351</a><td> if (!goog.isInModuleLoader_()) {<tr><td><a id="l352"></a><a href="#l352">352</a><td> throw Error('Module ' + name + ' has been loaded incorrectly.');<tr><td><a id="l353"></a><a href="#l353">353</a><td> }<tr><td><a id="l354"></a><a href="#l354">354</a><td> if (goog.moduleLoaderState_.moduleName) {<tr><td><a id="l355"></a><a href="#l355">355</a><td> throw Error('goog.module may only be called once per module.');<tr><td><a id="l356"></a><a href="#l356">356</a><td> }<tr><td><a id="l357"></a><a href="#l357">357</a><td><tr><td><a id="l358"></a><a href="#l358">358</a><td> // Store the module name for the loader.<tr><td><a id="l359"></a><a href="#l359">359</a><td> goog.moduleLoaderState_.moduleName = name;<tr><td><a id="l360"></a><a href="#l360">360</a><td> if (!COMPILED) {<tr><td><a id="l361"></a><a href="#l361">361</a><td> // Ensure that the same namespace isn't provided twice.<tr><td><a id="l362"></a><a href="#l362">362</a><td> // A goog.module/goog.provide maps a goog.require to a specific file<tr><td><a id="l363"></a><a href="#l363">363</a><td> if (goog.isProvided_(name)) {<tr><td><a id="l364"></a><a href="#l364">364</a><td> throw Error('Namespace "' + name + '" already declared.');<tr><td><a id="l365"></a><a href="#l365">365</a><td> }<tr><td><a id="l366"></a><a href="#l366">366</a><td> delete goog.implicitNamespaces_[name];<tr><td><a id="l367"></a><a href="#l367">367</a><td> }<tr><td><a id="l368"></a><a href="#l368">368</a><td>};<tr><td><a id="l369"></a><a href="#l369">369</a><td><tr><td><a id="l370"></a><a href="#l370">370</a><td><tr><td><a id="l371"></a><a href="#l371">371</a><td>/**<tr><td><a id="l372"></a><a href="#l372">372</a><td> * @param {string} name The module identifier.<tr><td><a id="l373"></a><a href="#l373">373</a><td> * @return {?} The module exports for an already loaded module or null.<tr><td><a id="l374"></a><a href="#l374">374</a><td> *<tr><td><a id="l375"></a><a href="#l375">375</a><td> * Note: This is not an alternative to goog.require, it does not<tr><td><a id="l376"></a><a href="#l376">376</a><td> * indicate a hard dependency, instead it is used to indicate<tr><td><a id="l377"></a><a href="#l377">377</a><td> * an optional dependency or to access the exports of a module<tr><td><a id="l378"></a><a href="#l378">378</a><td> * that has already been loaded.<tr><td><a id="l379"></a><a href="#l379">379</a><td> * @suppress {missingProvide}<tr><td><a id="l380"></a><a href="#l380">380</a><td> */<tr><td><a id="l381"></a><a href="#l381">381</a><td>goog.module.get = function(name) {<tr><td><a id="l382"></a><a href="#l382">382</a><td> return goog.module.getInternal_(name);<tr><td><a id="l383"></a><a href="#l383">383</a><td>};<tr><td><a id="l384"></a><a href="#l384">384</a><td><tr><td><a id="l385"></a><a href="#l385">385</a><td><tr><td><a id="l386"></a><a href="#l386">386</a><td>/**<tr><td><a id="l387"></a><a href="#l387">387</a><td> * @param {string} name The module identifier.<tr><td><a id="l388"></a><a href="#l388">388</a><td> * @return {?} The module exports for an already loaded module or null.<tr><td><a id="l389"></a><a href="#l389">389</a><td> * @private<tr><td><a id="l390"></a><a href="#l390">390</a><td> */<tr><td><a id="l391"></a><a href="#l391">391</a><td>goog.module.getInternal_ = function(name) {<tr><td><a id="l392"></a><a href="#l392">392</a><td> if (!COMPILED) {<tr><td><a id="l393"></a><a href="#l393">393</a><td> if (goog.isProvided_(name)) {<tr><td><a id="l394"></a><a href="#l394">394</a><td> // goog.require only return a value with-in goog.module files.<tr><td><a id="l395"></a><a href="#l395">395</a><td> return name in goog.loadedModules_ ?<tr><td><a id="l396"></a><a href="#l396">396</a><td> goog.loadedModules_[name] :<tr><td><a id="l397"></a><a href="#l397">397</a><td> goog.getObjectByName(name);<tr><td><a id="l398"></a><a href="#l398">398</a><td> } else {<tr><td><a id="l399"></a><a href="#l399">399</a><td> return null;<tr><td><a id="l400"></a><a href="#l400">400</a><td> }<tr><td><a id="l401"></a><a href="#l401">401</a><td> }<tr><td><a id="l402"></a><a href="#l402">402</a><td>};<tr><td><a id="l403"></a><a href="#l403">403</a><td><tr><td><a id="l404"></a><a href="#l404">404</a><td><tr><td><a id="l405"></a><a href="#l405">405</a><td>/**<tr><td><a id="l406"></a><a href="#l406">406</a><td> * @private {?{moduleName: (string|undefined), declareLegacyNamespace:boolean}}<tr><td><a id="l407"></a><a href="#l407">407</a><td> */<tr><td><a id="l408"></a><a href="#l408">408</a><td>goog.moduleLoaderState_ = null;<tr><td><a id="l409"></a><a href="#l409">409</a><td><tr><td><a id="l410"></a><a href="#l410">410</a><td><tr><td><a id="l411"></a><a href="#l411">411</a><td>/**<tr><td><a id="l412"></a><a href="#l412">412</a><td> * @private<tr><td><a id="l413"></a><a href="#l413">413</a><td> * @return {boolean} Whether a goog.module is currently being initialized.<tr><td><a id="l414"></a><a href="#l414">414</a><td> */<tr><td><a id="l415"></a><a href="#l415">415</a><td>goog.isInModuleLoader_ = function() {<tr><td><a id="l416"></a><a href="#l416">416</a><td> return goog.moduleLoaderState_ != null;<tr><td><a id="l417"></a><a href="#l417">417</a><td>};<tr><td><a id="l418"></a><a href="#l418">418</a><td><tr><td><a id="l419"></a><a href="#l419">419</a><td><tr><td><a id="l420"></a><a href="#l420">420</a><td>/**<tr><td><a id="l421"></a><a href="#l421">421</a><td> * Provide the module's exports as a globally accessible object under the<tr><td><a id="l422"></a><a href="#l422">422</a><td> * module's declared name. This is intended to ease migration to goog.module<tr><td><a id="l423"></a><a href="#l423">423</a><td> * for files that have existing usages.<tr><td><a id="l424"></a><a href="#l424">424</a><td> * @suppress {missingProvide}<tr><td><a id="l425"></a><a href="#l425">425</a><td> */<tr><td><a id="l426"></a><a href="#l426">426</a><td>goog.module.declareLegacyNamespace = function() {<tr><td><a id="l427"></a><a href="#l427">427</a><td> if (!COMPILED && !goog.isInModuleLoader_()) {<tr><td><a id="l428"></a><a href="#l428">428</a><td> throw new Error('goog.module.declareLegacyNamespace must be called from ' +<tr><td><a id="l429"></a><a href="#l429">429</a><td> 'within a goog.module');<tr><td><a id="l430"></a><a href="#l430">430</a><td> }<tr><td><a id="l431"></a><a href="#l431">431</a><td> if (!COMPILED && !goog.moduleLoaderState_.moduleName) {<tr><td><a id="l432"></a><a href="#l432">432</a><td> throw Error('goog.module must be called prior to ' +<tr><td><a id="l433"></a><a href="#l433">433</a><td> 'goog.module.declareLegacyNamespace.');<tr><td><a id="l434"></a><a href="#l434">434</a><td> }<tr><td><a id="l435"></a><a href="#l435">435</a><td> goog.moduleLoaderState_.declareLegacyNamespace = true;<tr><td><a id="l436"></a><a href="#l436">436</a><td>};<tr><td><a id="l437"></a><a href="#l437">437</a><td><tr><td><a id="l438"></a><a href="#l438">438</a><td><tr><td><a id="l439"></a><a href="#l439">439</a><td>/**<tr><td><a id="l440"></a><a href="#l440">440</a><td> * Marks that the current file should only be used for testing, and never for<tr><td><a id="l441"></a><a href="#l441">441</a><td> * live code in production.<tr><td><a id="l442"></a><a href="#l442">442</a><td> *<tr><td><a id="l443"></a><a href="#l443">443</a><td> * In the case of unit tests, the message may optionally be an exact namespace<tr><td><a id="l444"></a><a href="#l444">444</a><td> * for the test (e.g. 'goog.stringTest'). The linter will then ignore the extra<tr><td><a id="l445"></a><a href="#l445">445</a><td> * provide (if not explicitly defined in the code).<tr><td><a id="l446"></a><a href="#l446">446</a><td> *<tr><td><a id="l447"></a><a href="#l447">447</a><td> * @param {string=} opt_message Optional message to add to the error that's<tr><td><a id="l448"></a><a href="#l448">448</a><td> * raised when used in production code.<tr><td><a id="l449"></a><a href="#l449">449</a><td> */<tr><td><a id="l450"></a><a href="#l450">450</a><td>goog.setTestOnly = function(opt_message) {<tr><td><a id="l451"></a><a href="#l451">451</a><td> if (goog.DISALLOW_TEST_ONLY_CODE) {<tr><td><a id="l452"></a><a href="#l452">452</a><td> opt_message = opt_message || '';<tr><td><a id="l453"></a><a href="#l453">453</a><td> throw Error('Importing test-only code into non-debug environment' +<tr><td><a id="l454"></a><a href="#l454">454</a><td> (opt_message ? ': ' + opt_message : '.'));<tr><td><a id="l455"></a><a href="#l455">455</a><td> }<tr><td><a id="l456"></a><a href="#l456">456</a><td>};<tr><td><a id="l457"></a><a href="#l457">457</a><td><tr><td><a id="l458"></a><a href="#l458">458</a><td><tr><td><a id="l459"></a><a href="#l459">459</a><td>/**<tr><td><a id="l460"></a><a href="#l460">460</a><td> * Forward declares a symbol. This is an indication to the compiler that the<tr><td><a id="l461"></a><a href="#l461">461</a><td> * symbol may be used in the source yet is not required and may not be provided<tr><td><a id="l462"></a><a href="#l462">462</a><td> * in compilation.<tr><td><a id="l463"></a><a href="#l463">463</a><td> *<tr><td><a id="l464"></a><a href="#l464">464</a><td> * The most common usage of forward declaration is code that takes a type as a<tr><td><a id="l465"></a><a href="#l465">465</a><td> * function parameter but does not need to require it. By forward declaring<tr><td><a id="l466"></a><a href="#l466">466</a><td> * instead of requiring, no hard dependency is made, and (if not required<tr><td><a id="l467"></a><a href="#l467">467</a><td> * elsewhere) the namespace may never be required and thus, not be pulled<tr><td><a id="l468"></a><a href="#l468">468</a><td> * into the JavaScript binary. If it is required elsewhere, it will be type<tr><td><a id="l469"></a><a href="#l469">469</a><td> * checked as normal.<tr><td><a id="l470"></a><a href="#l470">470</a><td> *<tr><td><a id="l471"></a><a href="#l471">471</a><td> *<tr><td><a id="l472"></a><a href="#l472">472</a><td> * @param {string} name The namespace to forward declare in the form of<tr><td><a id="l473"></a><a href="#l473">473</a><td> * "goog.package.part".<tr><td><a id="l474"></a><a href="#l474">474</a><td> */<tr><td><a id="l475"></a><a href="#l475">475</a><td>goog.forwardDeclare = function(name) {};<tr><td><a id="l476"></a><a href="#l476">476</a><td><tr><td><a id="l477"></a><a href="#l477">477</a><td><tr><td><a id="l478"></a><a href="#l478">478</a><td>/**<tr><td><a id="l479"></a><a href="#l479">479</a><td> * Forward declare type information. Used to assign types to goog.global<tr><td><a id="l480"></a><a href="#l480">480</a><td> * referenced object that would otherwise result in unknown type references<tr><td><a id="l481"></a><a href="#l481">481</a><td> * and thus block property disambiguation.<tr><td><a id="l482"></a><a href="#l482">482</a><td> */<tr><td><a id="l483"></a><a href="#l483">483</a><td>goog.forwardDeclare('Document');<tr><td><a id="l484"></a><a href="#l484">484</a><td>goog.forwardDeclare('HTMLScriptElement');<tr><td><a id="l485"></a><a href="#l485">485</a><td>goog.forwardDeclare('XMLHttpRequest');<tr><td><a id="l486"></a><a href="#l486">486</a><td><tr><td><a id="l487"></a><a href="#l487">487</a><td><tr><td><a id="l488"></a><a href="#l488">488</a><td>if (!COMPILED) {<tr><td><a id="l489"></a><a href="#l489">489</a><td><tr><td><a id="l490"></a><a href="#l490">490</a><td> /**<tr><td><a id="l491"></a><a href="#l491">491</a><td> * Check if the given name has been goog.provided. This will return false for<tr><td><a id="l492"></a><a href="#l492">492</a><td> * names that are available only as implicit namespaces.<tr><td><a id="l493"></a><a href="#l493">493</a><td> * @param {string} name name of the object to look for.<tr><td><a id="l494"></a><a href="#l494">494</a><td> * @return {boolean} Whether the name has been provided.<tr><td><a id="l495"></a><a href="#l495">495</a><td> * @private<tr><td><a id="l496"></a><a href="#l496">496</a><td> */<tr><td><a id="l497"></a><a href="#l497">497</a><td> goog.isProvided_ = function(name) {<tr><td><a id="l498"></a><a href="#l498">498</a><td> return (name in goog.loadedModules_) ||<tr><td><a id="l499"></a><a href="#l499">499</a><td> (!goog.implicitNamespaces_[name] &&<tr><td><a id="l500"></a><a href="#l500">500</a><td> goog.isDefAndNotNull(goog.getObjectByName(name)));<tr><td><a id="l501"></a><a href="#l501">501</a><td> };<tr><td><a id="l502"></a><a href="#l502">502</a><td><tr><td><a id="l503"></a><a href="#l503">503</a><td> /**<tr><td><a id="l504"></a><a href="#l504">504</a><td> * Namespaces implicitly defined by goog.provide. For example,<tr><td><a id="l505"></a><a href="#l505">505</a><td> * goog.provide('goog.events.Event') implicitly declares that 'goog' and<tr><td><a id="l506"></a><a href="#l506">506</a><td> * 'goog.events' must be namespaces.<tr><td><a id="l507"></a><a href="#l507">507</a><td> *<tr><td><a id="l508"></a><a href="#l508">508</a><td> * @type {!Object<string, (boolean|undefined)>}<tr><td><a id="l509"></a><a href="#l509">509</a><td> * @private<tr><td><a id="l510"></a><a href="#l510">510</a><td> */<tr><td><a id="l511"></a><a href="#l511">511</a><td> goog.implicitNamespaces_ = {'goog.module': true};<tr><td><a id="l512"></a><a href="#l512">512</a><td><tr><td><a id="l513"></a><a href="#l513">513</a><td> // NOTE: We add goog.module as an implicit namespace as goog.module is defined<tr><td><a id="l514"></a><a href="#l514">514</a><td> // here and because the existing module package has not been moved yet out of<tr><td><a id="l515"></a><a href="#l515">515</a><td> // the goog.module namespace. This satisifies both the debug loader and<tr><td><a id="l516"></a><a href="#l516">516</a><td> // ahead-of-time dependency management.<tr><td><a id="l517"></a><a href="#l517">517</a><td>}<tr><td><a id="l518"></a><a href="#l518">518</a><td><tr><td><a id="l519"></a><a href="#l519">519</a><td><tr><td><a id="l520"></a><a href="#l520">520</a><td>/**<tr><td><a id="l521"></a><a href="#l521">521</a><td> * Returns an object based on its fully qualified external name. The object<tr><td><a id="l522"></a><a href="#l522">522</a><td> * is not found if null or undefined. If you are using a compilation pass that<tr><td><a id="l523"></a><a href="#l523">523</a><td> * renames property names beware that using this function will not find renamed<tr><td><a id="l524"></a><a href="#l524">524</a><td> * properties.<tr><td><a id="l525"></a><a href="#l525">525</a><td> *<tr><td><a id="l526"></a><a href="#l526">526</a><td> * @param {string} name The fully qualified name.<tr><td><a id="l527"></a><a href="#l527">527</a><td> * @param {Object=} opt_obj The object within which to look; default is<tr><td><a id="l528"></a><a href="#l528">528</a><td> * |goog.global|.<tr><td><a id="l529"></a><a href="#l529">529</a><td> * @return {?} The value (object or primitive) or, if not found, null.<tr><td><a id="l530"></a><a href="#l530">530</a><td> */<tr><td><a id="l531"></a><a href="#l531">531</a><td>goog.getObjectByName = function(name, opt_obj) {<tr><td><a id="l532"></a><a href="#l532">532</a><td> var parts = name.split('.');<tr><td><a id="l533"></a><a href="#l533">533</a><td> var cur = opt_obj || goog.global;<tr><td><a id="l534"></a><a href="#l534">534</a><td> for (var part; part = parts.shift(); ) {<tr><td><a id="l535"></a><a href="#l535">535</a><td> if (goog.isDefAndNotNull(cur[part])) {<tr><td><a id="l536"></a><a href="#l536">536</a><td> cur = cur[part];<tr><td><a id="l537"></a><a href="#l537">537</a><td> } else {<tr><td><a id="l538"></a><a href="#l538">538</a><td> return null;<tr><td><a id="l539"></a><a href="#l539">539</a><td> }<tr><td><a id="l540"></a><a href="#l540">540</a><td> }<tr><td><a id="l541"></a><a href="#l541">541</a><td> return cur;<tr><td><a id="l542"></a><a href="#l542">542</a><td>};<tr><td><a id="l543"></a><a href="#l543">543</a><td><tr><td><a id="l544"></a><a href="#l544">544</a><td><tr><td><a id="l545"></a><a href="#l545">545</a><td>/**<tr><td><a id="l546"></a><a href="#l546">546</a><td> * Globalizes a whole namespace, such as goog or goog.lang.<tr><td><a id="l547"></a><a href="#l547">547</a><td> *<tr><td><a id="l548"></a><a href="#l548">548</a><td> * @param {!Object} obj The namespace to globalize.<tr><td><a id="l549"></a><a href="#l549">549</a><td> * @param {Object=} opt_global The object to add the properties to.<tr><td><a id="l550"></a><a href="#l550">550</a><td> * @deprecated Properties may be explicitly exported to the global scope, but<tr><td><a id="l551"></a><a href="#l551">551</a><td> * this should no longer be done in bulk.<tr><td><a id="l552"></a><a href="#l552">552</a><td> */<tr><td><a id="l553"></a><a href="#l553">553</a><td>goog.globalize = function(obj, opt_global) {<tr><td><a id="l554"></a><a href="#l554">554</a><td> var global = opt_global || goog.global;<tr><td><a id="l555"></a><a href="#l555">555</a><td> for (var x in obj) {<tr><td><a id="l556"></a><a href="#l556">556</a><td> global[x] = obj[x];<tr><td><a id="l557"></a><a href="#l557">557</a><td> }<tr><td><a id="l558"></a><a href="#l558">558</a><td>};<tr><td><a id="l559"></a><a href="#l559">559</a><td><tr><td><a id="l560"></a><a href="#l560">560</a><td><tr><td><a id="l561"></a><a href="#l561">561</a><td>/**<tr><td><a id="l562"></a><a href="#l562">562</a><td> * Adds a dependency from a file to the files it requires.<tr><td><a id="l563"></a><a href="#l563">563</a><td> * @param {string} relPath The path to the js file.<tr><td><a id="l564"></a><a href="#l564">564</a><td> * @param {!Array<string>} provides An array of strings with<tr><td><a id="l565"></a><a href="#l565">565</a><td> * the names of the objects this file provides.<tr><td><a id="l566"></a><a href="#l566">566</a><td> * @param {!Array<string>} requires An array of strings with<tr><td><a id="l567"></a><a href="#l567">567</a><td> * the names of the objects this file requires.<tr><td><a id="l568"></a><a href="#l568">568</a><td> * @param {boolean=} opt_isModule Whether this dependency must be loaded as<tr><td><a id="l569"></a><a href="#l569">569</a><td> * a module as declared by goog.module.<tr><td><a id="l570"></a><a href="#l570">570</a><td> */<tr><td><a id="l571"></a><a href="#l571">571</a><td>goog.addDependency = function(relPath, provides, requires, opt_isModule) {<tr><td><a id="l572"></a><a href="#l572">572</a><td> if (goog.DEPENDENCIES_ENABLED) {<tr><td><a id="l573"></a><a href="#l573">573</a><td> var provide, require;<tr><td><a id="l574"></a><a href="#l574">574</a><td> var path = relPath.replace(/\\/g, '/');<tr><td><a id="l575"></a><a href="#l575">575</a><td> var deps = goog.dependencies_;<tr><td><a id="l576"></a><a href="#l576">576</a><td> for (var i = 0; provide = provides[i]; i++) {<tr><td><a id="l577"></a><a href="#l577">577</a><td> deps.nameToPath[provide] = path;<tr><td><a id="l578"></a><a href="#l578">578</a><td> deps.pathIsModule[path] = !!opt_isModule;<t