ing_content'>&#39;custom-element-test&#39; must be given only .js files</span><span class='tstring_end'>&quot;</span></span>
    <span class='kw'>return</span> <span class='int'>1</span>
  <span class='kw'>end</span>

  <span class='id identifier rubyid_files_to_create'>files_to_create</span> <span class='op'>=</span> <span class='id identifier rubyid_args'>args</span><span class='period'>.</span><span class='id identifier rubyid_map'>map</span> <span class='lbrace'>{</span> <span class='op'>|</span><span c