 class="token punctuation">)</span><span class="token punctuation">;</span>

  <span class="token comment">// get the controller instance</span>
  <span class="token keyword">const</span> ctrl <span class="token operator">=</span> <span class="token keyword">this</span><span class="token punctuation">.</span><span class="token function">subject</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>

  <span class="token comment">// chec