dormouse
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Javascript API for Dormouse
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<html> <head> <title>libutils.coffee</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link rel="stylesheet" media="all" href="docco.css" /> </head> <body> <div id="container"> <div id="background"></div> <div id="jump_to"> Jump To … <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="assembler.html"> assembler.coffee </a> <a class="source" href="connection.html"> connection.coffee </a> <a class="source" href="libutils.html"> libutils.coffee </a> <a class="source" href="mixin.html"> mixin.coffee </a> <a class="source" href="projects.html"> projects.coffee </a> <a class="source" href="query.html"> query.coffee </a> <a class="source" href="tasks.html"> tasks.coffee </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> libutils.coffee </h1> </th> <th class="code"> </th> </tr> </thead> <tbody> <tr id="section-1"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-1">¶</a> </div> <p>Utils to simplify detecting types and stuff</p> </td> <td class="code"> <div class="highlight"><pre></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">¶</a> </div> <p>Just one requirement</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">_ = </span><span class="nx">require</span> <span class="s1">'underscore'</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">¶</a> </div> <p>Trick to namespace a functional module</p> </td> <td class="code"> <div class="highlight"><pre><span class="nv">libutils = </span><span class="nx">exports</span>
<span class="nv">libutils.isEmpty = </span><span class="nf">(obj) -></span>
<span class="k">for</span> <span class="nx">own</span> <span class="nx">prop</span> <span class="k">of</span> <span class="nx">obj</span>
<span class="k">return</span> <span class="kc">false</span>
<span class="k">return</span> <span class="kc">true</span>
<span class="nv">libutils.isArray = </span><span class="nf">(obj) -></span>
<span class="k">return</span> <span class="nx">obj</span> <span class="k">instanceof</span> <span class="nb">Array</span>
<span class="nv">libutils.toArray = </span><span class="nf">(array_like) -></span>
<span class="k">return</span> <span class="nb">Array</span><span class="p">.</span><span class="nx">prototype</span><span class="p">.</span><span class="nx">slice</span><span class="p">.</span><span class="nx">call</span> <span class="nx">array_like</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">¶</a> </div> <p>Append key, value pairs from an object in querystring form on the url</p>
<p>Format of urlObj:</p>
<pre><code>{
path: '/some/relative/path' [no host]
query: javascript object to append as params
}
</code></pre> </td> <td class="code"> <div class="highlight"><pre><span class="nv">libutils.formatUrl = </span><span class="nf">(urlObj) -></span>
<span class="nv">query = </span><span class="nx">urlObj</span><span class="p">.</span><span class="nx">query</span> <span class="o">||</span> <span class="p">{}</span>
<span class="nv">sep = </span><span class="s1">'&'</span>
<span class="nv">eq = </span><span class="s1">'='</span>
<span class="nv">pairs = </span><span class="nx">_</span><span class="p">.</span><span class="nx">map</span> <span class="nx">query</span><span class="p">,</span> <span class="nf">(value, key) -></span>
<span class="k">return</span> <span class="nb">encodeURIComponent</span><span class="p">(</span><span class="nx">key</span><span class="p">)</span> <span class="o">+</span> <span class="nx">eq</span> <span class="o">+</span> <span class="nb">encodeURIComponent</span><span class="p">(</span><span class="nx">value</span><span class="p">)</span>
<span class="nv">qs = </span><span class="nx">pairs</span><span class="p">.</span><span class="nx">join</span> <span class="nx">sep</span>
<span class="nv">url = </span><span class="nx">urlObj</span><span class="p">.</span><span class="nx">path</span> <span class="o">||</span> <span class="s1">'/'</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">¶</a> </div> <p>strip off anchor #..</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="nx">url</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/#/</span>
<span class="nv">url = </span><span class="nx">url</span><span class="p">.</span><span class="nx">substr</span> <span class="mi">0</span><span class="p">,</span> <span class="nx">url</span><span class="p">.</span><span class="nx">indexOf</span> <span class="s1">'#'</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">¶</a> </div> <p>append querystring</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="nx">qs</span><span class="p">.</span><span class="nx">length</span> <span class="o">></span> <span class="mi">0</span>
<span class="k">if</span> <span class="nx">url</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/\?/</span>
<span class="nx">url</span> <span class="o">+=</span> <span class="nx">sep</span> <span class="o">+</span> <span class="nx">qs</span>
<span class="k">else</span>
<span class="nx">url</span> <span class="o">+=</span> <span class="s1">'?'</span> <span class="o">+</span> <span class="nx">qs</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">¶</a> </div> <p>prepend leading '/'</p> </td> <td class="code"> <div class="highlight"><pre> <span class="k">if</span> <span class="o">not</span> <span class="nx">url</span><span class="p">.</span><span class="nx">match</span> <span class="sr">/^\//</span>
<span class="nv">url = </span><span class="s1">'/'</span> <span class="o">+</span> <span class="nx">url</span>
<span class="k">return</span> <span class="nx">url</span>
</pre></div> </td> </tr> </tbody> </table> </div> </body> </html>