<p></p>
<p><b>@hlfan</b> commented on this pull request.</p>

<p dir="auto">You don't need to touch every single line if you write the globals as</p>
<div class="highlight highlight-source-js" dir="auto"><pre class="notranslate"><span class="pl-k">const</span> <span class="pl-v">DemoEngine</span> <span class="pl-c1">=</span> <span class="pl-k">function</span> <span class="pl-kos">(</span><span class="pl-s1">id</span><span class="pl-kos">,</span> <span class="pl-s1">costing</span><span class="pl-kos">)</span> <span class="pl-kos">{</span>
  ...
<span class="pl-kos">}</span><span class="pl-kos">;</span></pre></div>

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