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<!DOCTYPE html> <html> <head> <title>nconf.js</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 &hellip; <div id="jump_wrapper"> <div id="jump_page"> <a class="source" href="nconf/stores/file.html"> nconf/stores/file.html </a> <a class="source" href="nconf/stores/memory.html"> nconf/stores/memory.html </a> <a class="source" href="nconf/stores/redis.html"> nconf/stores/redis.html </a> <a class="source" href="nconf/stores.html"> nconf/stores.html </a> <a class="source" href="nconf.html"> nconf.html </a> </div> </div> </div> <table cellpadding="0" cellspacing="0"> <thead> <tr> <th class="docs"> <h1> nconf.js </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">&#182;</a> </div> </td> <td class="code"> <div class="highlight"><pre><span class="cm">/*</span>
<span class="cm"> * nconf.js: Top-level include for the nconf module</span>
<span class="cm"> *</span>
<span class="cm"> * (C) 2011, Charlie Robbins</span>
<span class="cm"> *</span>
<span class="cm"> */</span>
<span class="nx">require</span><span class="p">.</span><span class="nx">paths</span><span class="p">.</span><span class="nx">unshift</span><span class="p">(</span><span class="nx">__dirname</span><span class="p">);</span>
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<span class="kd">var</span> <span class="nx">nconf</span> <span class="o">=</span> <span class="nx">exports</span><span class="p">;</span></pre></div> </td> </tr> <tr id="section-2"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-2">&#182;</a> </div> <h3>Version 0.1.6 :: 4/19/2011</h3> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">version</span> <span class="o">=</span> <span class="p">[</span><span class="mi">0</span><span class="p">,</span> <span class="mi">1</span><span class="p">,</span> <span class="mi">6</span><span class="p">];</span></pre></div> </td> </tr> <tr id="section-3"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-3">&#182;</a> </div> <p>Include the various store types exposed by nconf</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">stores</span> <span class="o">=</span> <span class="nx">require</span><span class="p">(</span><span class="s1">&#39;nconf/stores&#39;</span><span class="p">);</span></pre></div> </td> </tr> <tr id="section-4"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-4">&#182;</a> </div> <h3>function use (type, options)</h3>
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<h4>@type {string} Type of the nconf store to use.</h4>
<h4>@options {Object} Options for the store instance.</h4>
<p>Sets the active <code>nconf.store</code> to a new instance of the
specified <code>type</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">use</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">options</span><span class="p">)</span> <span class="p">{</span>
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<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span> <span class="o">||</span> <span class="nx">type</span><span class="p">.</span><span class="nx">toLowerCase</span><span class="p">()</span> <span class="o">!==</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">type</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span> <span class="o">=</span> <span class="k">new</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">stores</span><span class="p">.</span><span class="nx">create</span><span class="p">(</span><span class="nx">type</span><span class="p">,</span> <span class="nx">options</span><span class="p">);</span>
<span class="p">}</span>
<span class="p">};</span></pre></div> </td> </tr> <tr id="section-5"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-5">&#182;</a> </div> <h3>function get (key, callback)</h3>
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<h4>@key {string} Key to retrieve for this instance.</h4>
<h4>@callback {function} <strong>Optional</strong> Continuation to respond to when complete.</h4>
<p>Retrieves the value for the specified key (if any).</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">get</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">get</span><span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">callback</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-6"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-6">&#182;</a> </div> <h3>function set (key, value, callback)</h3>
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<h4>@key {string} Key to set in this instance</h4>
<h4>@value {literal|Object} Value for the specified key</h4>
<h4>@callback {function} <strong>Optional</strong> Continuation to respond to when complete.</h4>
<p>Sets the <code>value</code> for the specified <code>key</code> in this instance.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">set</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">set</span><span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-7"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-7">&#182;</a> </div> <h3>function clear (key, callback)</h3>
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<h4>@key {string} Key to remove from this instance</h4>
<h4>@callback {function} <strong>Optional</strong> Continuation to respond to when complete.</h4>
<p>Removes the value for the specified <code>key</code> from this instance.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">clear</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">clear</span><span class="p">(</span><span class="nx">key</span><span class="p">,</span> <span class="nx">callback</span><span class="p">);</span>
[doc] Update docco docs
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-8"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-8">&#182;</a> </div> <h3>function load (callback)</h3>
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<h4>@callback {function} Continuation to respond to when complete.</h4>
<p>Responds with an Object representing all keys associated in this instance.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">load</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">load</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">error</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s1">&#39;nconf store &#39;</span> <span class="o">+</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">type</span> <span class="o">+</span> <span class="s1">&#39; has no load() method&#39;</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">callback</span> <span class="p">(</span><span class="nx">error</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">throw</span> <span class="nx">error</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">load</span><span class="p">(</span><span class="nx">callback</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-9"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-9">&#182;</a> </div> <h3>function save (value, callback)</h3>
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<h4>@value {Object} <strong>Optional</strong> Config object to set for this instance</h4>
<h4>@callback {function} Continuation to respond to when complete.</h4>
<p>Removes any existing configuration settings that may exist in this
instance and then adds all key-value pairs in <code>value</code>. </p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">save</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="nx">callback</span> <span class="o">=</span> <span class="nx">value</span><span class="p">;</span>
<span class="nx">value</span> <span class="o">=</span> <span class="kc">null</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">if</span> <span class="p">(</span><span class="o">!</span><span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">save</span><span class="p">)</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">error</span> <span class="o">=</span> <span class="k">new</span> <span class="nb">Error</span><span class="p">(</span><span class="s1">&#39;nconf store &#39;</span> <span class="o">+</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">type</span> <span class="o">+</span> <span class="s1">&#39; has no save() method&#39;</span><span class="p">);</span>
<span class="k">if</span> <span class="p">(</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">callback</span> <span class="p">(</span><span class="nx">error</span><span class="p">);</span>
<span class="p">}</span>
<span class="k">throw</span> <span class="nx">error</span><span class="p">;</span>
<span class="p">}</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">save</span><span class="p">(</span><span class="nx">value</span><span class="p">,</span> <span class="nx">callback</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-10"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-10">&#182;</a> </div> <h3>function reset (callback)</h3>
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<h4>@callback {function} <strong>Optional</strong> Continuation to respond to when complete.</h4>
<p>Clears all keys associated with this instance.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">reset</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">callback</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">nconf</span><span class="p">.</span><span class="nx">store</span><span class="p">.</span><span class="nx">reset</span><span class="p">(</span><span class="nx">callback</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-11"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-11">&#182;</a> </div> <h3>function key (arguments)</h3>
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<p>Returns a <code>:</code> joined string from the <code>arguments</code>.</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">key</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">()</span> <span class="p">{</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="p">(</span><span class="nx">arguments</span><span class="p">).</span><span class="nx">join</span><span class="p">(</span><span class="s1">&#39;:&#39;</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-12"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-12">&#182;</a> </div> <h3>function path (key)</h3>
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<h4>@key {string} The ':' delimited key to split</h4>
<p>Returns a fully-qualified path to a nested nconf key. </p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">path</span> <span class="o">=</span> <span class="kd">function</span> <span class="p">(</span><span class="nx">key</span><span class="p">)</span> <span class="p">{</span>
<span class="k">return</span> <span class="nx">key</span><span class="p">.</span><span class="nx">split</span><span class="p">(</span><span class="s1">&#39;:&#39;</span><span class="p">);</span>
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<span class="p">};</span></pre></div> </td> </tr> <tr id="section-13"> <td class="docs"> <div class="pilwrap"> <a class="pilcrow" href="#section-13">&#182;</a> </div> <p>Use the <code>memory</code> engine by default</p> </td> <td class="code"> <div class="highlight"><pre><span class="nx">nconf</span><span class="p">.</span><span class="nx">use</span><span class="p">(</span><span class="s1">&#39;memory&#39;</span><span class="p">);</span>
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