  <span class="token keyword">function</span><span class="token punctuation">(</span><span class="token parameter">app<span class="token punctuation">,</span> assert<span class="token punctuation">,</span> selector<span class="token punctuation">,</span> context</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">let</span> $el <span class="token operator">=</span> <span class="token function">findWithAssert</span><span class="token punctua