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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 < <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 < 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 < 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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