It&#x27;s not as if it&#x27;s found it&#x27;s way in to .ts files, only to .tsx files.<p>As someone who&#x27;s organisation has spent a lot of time making our front end in ReactJS this is going to be very useful for us, and the &#x27;corruption&#x27; that is the cast operator becoming &#x27;as&#x27; will be manageable as it&#x27;s only in .tsx files.