async&#x2F;await has been in TypeScript for a while, but currently depend on generators, so don&#x27;t down-level to &lt;= ES5 emit (that work is in progress).<p>With the latest Node releases and modern browsers supporting generators today, you can target ES6 and use async&#x2F;await today if you can target those environments.<p><a href="https:&#x2F;&#x2F;blogs.msdn.microsoft.com&#x2F;typescript&#x2F;2015&#x2F;11&#x2F;03&#x2F;what-about-asyncawait&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blogs.msdn.microsoft.com&#x2F;typescript&#x2F;2015&#x2F;11&#x2F;03&#x2F;what-...</a>