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                  <h1>_createAssigner.js</h1>
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              <p>An internal function for creating assigner functions.</p>

            </div>
            
            <div class="content"><div class='highlight'><pre><span class="hljs-keyword">export</span> <span class="hljs-keyword">default</span> <span class="hljs-keyword">function</span> <span class="hljs-title function_">createAssigner</span>(<span class="hljs-params">keysFunc, defaults</span>) {
  <span class="hljs-keyword">return</span> <span class="hljs-keyword">function</span>(<span class="hljs-params">obj</span>) {
    <span class="hljs-keyword">var</span> length = <span class="hljs-variable language_">arguments</span>.<span class="hljs-property">length</span>;
    <span class="hljs-keyword">if</span> (defaults) obj = <span class="hljs-title class_">Object</span>(obj);
    <span class="hljs-keyword">if</span> (length &lt; <span class="hljs-number">2</span> || obj == <span class="hljs-literal">null</span>) <span class="hljs-keyword">return</span> obj;
    <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> index = <span class="hljs-number">1</span>; index &lt; length; index++) {
      <span class="hljs-keyword">var</span> source = <span class="hljs-variable language_">arguments</span>[index],
          keys = <span class="hljs-title function_">keysFunc</span>(source),
          l = keys.<span class="hljs-property">length</span>;
      <span class="hljs-keyword">for</span> (<span class="hljs-keyword">var</span> i = <span class="hljs-number">0</span>; i &lt; l; i++) {
        <span class="hljs-keyword">var</span> key = keys[i];
        <span class="hljs-keyword">if</span> (!defaults || obj[key] === <span class="hljs-keyword">void</span> <span class="hljs-number">0</span>) obj[key] = source[key];
      }
    }
    <span class="hljs-keyword">return</span> obj;
  };
}</pre></div></div>
            
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