"p">):</span> <span class="nx">State</span> <span class="p">{</span>
  <span class="c1">// Initial state.</span>
  <span class="k">if </span><span class="p">(</span><span class="o">!</span><span class="nx">current</span><span class="p">)</span> <span class="p">{</span>
    <span class="k">return</span> <span class="p">{</span>
      <span class="na">count</span><span class="p">:</span> <span class="mi">0</span><span class="p">,</span>
      <span class="na">run</span><span class="p">:</span> <span class="kc