uire</span>.extensions
  <span class="hljs-keyword">for</span> ext <span class="hljs-keyword">in</span> CoffeeScript.FILE_EXTENSIONS <span class="hljs-keyword">then</span> <span class="hljs-keyword">do</span> (ext) -&gt;
    <span class="hljs-built_in">require</span>.extensions[ext] ?= <span class="hljs-function">-&gt;</span>
      <span class="hljs-keyword">throw</span> <span class="hljs-keyword">new</span> Error <span class="hljs-string">"""
      Use CoffeeScript.register() or require the coffeescript/re