parsleyjs

<!DOCTYPE html> <html> <head> <title>utils.js</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <meta name="viewport" content="width=device-width, target-densitydpi=160dpi, initial-scale=1.0; maximum-scale=1.0; user-scalable=0;"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <ul id="jump_to"> <li> <a class="large" href="javascript:void(0);">Jump To …</a> <a class="small" href="javascript:void(0);">+</a> <div id="jump_wrapper"> <div id="jump_page"><a class="source" href="../index.html"><<< back to documentation</a> <a class="source" href="abstract.html"> abstract.js </a> <a class="source" href="defaults.html"> defaults.js </a> <a class="source" href="factory.html"> factory.js </a> <a class="source" href="field.html"> field.js </a> <a class="source" href="form.html"> form.js </a> <a class="source" href="main.html"> main.js </a> <a class="source" href="multiple.html"> multiple.js </a> <a class="source" href="pubsub.html"> pubsub.js </a> <a class="source" href="remote.html"> remote.js </a> <a class="source" href="ui.html"> ui.js </a> <a class="source" href="utils.html"> utils.js </a> <a class="source" href="validator.html"> validator.js </a> <a class="source" href="validator_registry.html"> validator_registry.js </a> </div> </li> </ul> <ul class="sections"> <li id="title"> <div class="annotation"> <h1>utils.js</h1> </div> </li> <li id="section-1"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-1">¶</a> </div> </div> <div class="content"><div class='highlight'><pre><span class="hljs-keyword">import</span> $ <span class="hljs-keyword">from</span> <span class="hljs-string">'jquery'</span>; <span class="hljs-keyword">var</span> globalID = <span class="hljs-number">1</span>; <span class="hljs-keyword">var</span> pastWarnings = {}; <span class="hljs-keyword">var</span> ParsleyUtils = {</pre></div></div> </li> <li id="section-2"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-2">¶</a> </div> <p>Parsley DOM-API returns object from dom attributes and values</p> </div> <div class="content"><div class='highlight'><pre> attr: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">$element, namespace, obj</span>) </span>{ <span class="hljs-keyword">var</span> i; <span class="hljs-keyword">var</span> attribute; <span class="hljs-keyword">var</span> attributes; <span class="hljs-keyword">var</span> regex = <span class="hljs-keyword">new</span> <span class="hljs-built_in">RegExp</span>(<span class="hljs-string">'^'</span> + namespace, <span class="hljs-string">'i'</span>); <span class="hljs-keyword">if</span> (<span class="hljs-string">'undefined'</span> === <span class="hljs-keyword">typeof</span> obj) obj = {}; <span class="hljs-keyword">else</span> {</pre></div></div> </li> <li id="section-3"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-3">¶</a> </div> <p>Clear all own properties. This won’t affect prototype’s values</p> </div> <div class="content"><div class='highlight'><pre> <span class="hljs-keyword">for</span> (i <span class="hljs-keyword">in</span> obj) { <span class="hljs-keyword">if</span> (obj.hasOwnProperty(i)) <span class="hljs-keyword">delete</span> obj[i]; } } <span class="hljs-keyword">if</span> (<span class="hljs-string">'undefined'</span> === <span class="hljs-keyword">typeof</span> $element || <span class="hljs-string">'undefined'</span> === <span class="hljs-keyword">typeof</span> $element[<span class="hljs-number">0</span>]) <span class="hljs-keyword">return</span> obj; attributes = $element[<span class="hljs-number">0</span>].attributes; <span class="hljs-keyword">for</span> (i = attributes.length; i--; ) { attribute = attributes[i]; <span class="hljs-keyword">if</span> (attribute && attribute.specified && regex.test(attribute.name)) { obj[<span class="hljs-keyword">this</span>.camelize(attribute.name.slice(namespace.length))] = <span class="hljs-keyword">this</span>.deserializeValue(attribute.value); } } <span class="hljs-keyword">return</span> obj; }, <span class="hljs-attr">checkAttr</span>: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">$element, namespace, checkAttr</span>) </span>{ <span class="hljs-keyword">return</span> $element.is(<span class="hljs-string">'['</span> + namespace + checkAttr + <span class="hljs-string">']'</span>); }, <span class="hljs-attr">setAttr</span>: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">$element, namespace, attr, value</span>) </span>{ $element[<span class="hljs-number">0</span>].setAttribute(<span class="hljs-keyword">this</span>.dasherize(namespace + attr), <span class="hljs-built_in">String</span>(value)); }, <span class="hljs-attr">generateID</span>: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ <span class="hljs-keyword">return</span> <span class="hljs-string">''</span> + globalID++; }, <span class="hljs-comment">/** Third party functions **/</span></pre></div></div> </li> <li id="section-4"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-4">¶</a> </div> <p>Zepto deserialize function</p> </div> <div class="content"><div class='highlight'><pre> deserializeValue: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">value</span>) </span>{ <span class="hljs-keyword">var</span> num; <span class="hljs-keyword">try</span> { <span class="hljs-keyword">return</span> value ? value == <span class="hljs-string">"true"</span> || (value == <span class="hljs-string">"false"</span> ? <span class="hljs-literal">false</span> : value == <span class="hljs-string">"null"</span> ? <span class="hljs-literal">null</span> : !<span class="hljs-built_in">isNaN</span>(num = <span class="hljs-built_in">Number</span>(value)) ? num : <span class="hljs-regexp">/^[\[\{]/</span>.test(value) ? $.parseJSON(value) : value) : value; } <span class="hljs-keyword">catch</span> (e) { <span class="hljs-keyword">return</span> value; } },</pre></div></div> </li> <li id="section-5"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-5">¶</a> </div> <p>Zepto camelize function</p> </div> <div class="content"><div class='highlight'><pre> camelize: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">str</span>) </span>{ <span class="hljs-keyword">return</span> str.replace(<span class="hljs-regexp">/-+(.)?/g</span>, <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">match, chr</span>) </span>{ <span class="hljs-keyword">return</span> chr ? chr.toUpperCase() : <span class="hljs-string">''</span>; }); },</pre></div></div> </li> <li id="section-6"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-6">¶</a> </div> <p>Zepto dasherize function</p> </div> <div class="content"><div class='highlight'><pre> dasherize: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">str</span>) </span>{ <span class="hljs-keyword">return</span> str.replace(<span class="hljs-regexp">/::/g</span>, <span class="hljs-string">'/'</span>) .replace(<span class="hljs-regexp">/([A-Z]+)([A-Z][a-z])/g</span>, <span class="hljs-string">'$1_$2'</span>) .replace(<span class="hljs-regexp">/([a-z\d])([A-Z])/g</span>, <span class="hljs-string">'$1_$2'</span>) .replace(<span class="hljs-regexp">/_/g</span>, <span class="hljs-string">'-'</span>) .toLowerCase(); }, <span class="hljs-attr">warn</span>: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ <span class="hljs-keyword">if</span> (<span class="hljs-built_in">window</span>.console && <span class="hljs-string">'function'</span> === <span class="hljs-keyword">typeof</span> <span class="hljs-built_in">window</span>.console.warn) <span class="hljs-built_in">window</span>.console.warn(...arguments); }, <span class="hljs-attr">warnOnce</span>: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">msg</span>) </span>{ <span class="hljs-keyword">if</span> (!pastWarnings[msg]) { pastWarnings[msg] = <span class="hljs-literal">true</span>; <span class="hljs-keyword">this</span>.warn(...arguments); } }, <span class="hljs-attr">_resetWarnings</span>: <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ pastWarnings = {}; }, <span class="hljs-attr">trimString</span>: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">string</span>) </span>{ <span class="hljs-keyword">return</span> string.replace(<span class="hljs-regexp">/^\s+|\s+$/g</span>, <span class="hljs-string">''</span>); }, <span class="hljs-attr">namespaceEvents</span>: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">events, namespace</span>) </span>{ events = <span class="hljs-keyword">this</span>.trimString(events || <span class="hljs-string">''</span>).split(<span class="hljs-regexp">/\s+/</span>); <span class="hljs-keyword">if</span> (!events[<span class="hljs-number">0</span>]) <span class="hljs-keyword">return</span> <span class="hljs-string">''</span>; <span class="hljs-keyword">return</span> $.map(events, evt => <span class="hljs-string">`<span class="hljs-subst">${evt}</span>.<span class="hljs-subst">${namespace}</span>`</span>).join(<span class="hljs-string">' '</span>); }, <span class="hljs-attr">difference</span>: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">array, remove</span>) </span>{</pre></div></div> </li> <li id="section-7"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-7">¶</a> </div> <p>This is O(N^2), should be optimized</p> </div> <div class="content"><div class='highlight'><pre> <span class="hljs-keyword">let</span> result = []; $.each(array, (_, elem) => { <span class="hljs-keyword">if</span> (remove.indexOf(elem) == <span class="hljs-number">-1</span>) result.push(elem); }); <span class="hljs-keyword">return</span> result; },</pre></div></div> </li> <li id="section-8"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-8">¶</a> </div> <p>Alter-ego to native Promise.all, but for jQuery</p> </div> <div class="content"><div class='highlight'><pre> all: <span class="hljs-function"><span class="hljs-keyword">function</span>(<span class="hljs-params">promises</span>) </span>{</pre></div></div> </li> <li id="section-9"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-9">¶</a> </div> <p>jQuery treats $.when() and $.when(singlePromise) differently; let’s avoid that and add spurious elements</p> </div> <div class="content"><div class='highlight'><pre> <span class="hljs-keyword">return</span> $.when(...promises, <span class="hljs-number">42</span>, <span class="hljs-number">42</span>); },</pre></div></div> </li> <li id="section-10"> <div class="annotation"> <div class="pilwrap "> <a class="pilcrow" href="#section-10">¶</a> </div> <p>Object.create polyfill, see <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Polyfill">https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/create#Polyfill</a></p> </div> <div class="content"><div class='highlight'><pre> objectCreate: <span class="hljs-built_in">Object</span>.create || (<span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{ <span class="hljs-keyword">var</span> <span class="hljs-built_in">Object</span> = <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params"></span>) </span>{}; <span class="hljs-keyword">return</span> <span class="hljs-function"><span class="hljs-keyword">function</span> (<span class="hljs-params">prototype</span>) </span>{ <span class="hljs-keyword">if</span> (<span class="hljs-built_in">arguments</span>.length > <span class="hljs-number">1</span>) { <span class="hljs-keyword">throw</span> <span class="hljs-built_in">Error</span>(<span class="hljs-string">'Second argument not supported'</span>); } <span class="hljs-keyword">if</span> (<span class="hljs-keyword">typeof</span> prototype != <span class="hljs-string">'object'</span>) { <span class="hljs-keyword">throw</span> <span class="hljs-built_in">TypeError</span>(<span class="hljs-string">'Argument must be an object'</span>); } <span class="hljs-built_in">Object</span>.prototype = prototype; <span class="hljs-keyword">var</span> result = <span class="hljs-keyword">new</span> <span class="hljs-built_in">Object</span>(); <span class="hljs-built_in">Object</span>.prototype = <span class="hljs-literal">null</span>; <span class="hljs-keyword">return</span> result; }; })(), <span class="hljs-attr">_SubmitSelector</span>: <span class="hljs-string">'input[type="submit"], button:submit'</span> }; <span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> ParsleyUtils;</pre></div></div> </li> </ul> </div> <script type="text/javascript">var _gaq=_gaq||[];_gaq.push(["_setAccount","UA-37229467-1"]);_gaq.push(["_trackPageview"]);(function(){var e=document.createElement("script");e.type="text/javascript";e.async=true;e.src=("https:"==document.location.protocol?"https://ssl":"http://www")+".google-analytics.com/ga.js";var t=document.getElementsByTagName("script")[0];t.parentNode.insertBefore(e,t)})();</script></body> </html>