<pre class="shiki github-dark shaku"><code>type IsEmptyType&lt;T&gt; = number extends T ? [keyof T] extends [never] ? true : false : false</code></pre>

This is my accepted solution

Implement IsEmptyType<T> to check if T is empty type {}. type A = IsEmptyType<string> // falsetype B = IsEmptyType<{a: 3}> // falsetype C = IsEmptyTyp…