<pre class="shiki github-dark shaku"><code>// This is a JavaScript coding problem from BFE.dev function throttle&lt;T extends (...args: any[]) =&gt; any&gt;( func: T, wait: number, option: {leading: boolean, trailing: boolean } = {leading: true, trailing: true} ): T { let timer: number | null = null; let lastArgs: any[] | null = null; const callback = (...args: any[]) =&gt; { if (timer) { lastArgs = args; return; } if (option.leading) { func(...args); } const startTimer = () =&gt; { timer = setTimeout(() =&gt; { if (lastArgs &amp;&amp; option.trailing) { func(...lastArgs); lastArgs = null; startTimer(); } else { timer = null; lastArgs = null; } }, wait); }; startTimer(); }; return callback as T;}</code></pre>

🤔 throttle() with leading & trailing option

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This is a follow up on 4. implement basic throttle(), please refer to it for detailed explanation. In this problem, you are asked to implement a enhan…