if</span><span class="w"> </span><span class="p">(</span><span class="nx">ancestorName</span><span class="w"> </span><span class="o">===</span><span class="w"> </span><span class="kc">null</span><span class="p">)</span><span class="w"> </span><span class="p">{</span>
<span class="w">      </span><span class="k">return</span><span class="w"> </span><span class="nx">accum</span>
<span class="w">    </span><span class="p">}</span>
<span class="w">    </span><span class="kd">const</span><span class="w"> </span>