Don't see how that follows. Typescript treats code as either TS or JS depending on the file extension. But that doesn't mean nobody who has JavaScript code woul

Don't see how that follows. Typescript treats code as either TS or JS depending on the file extension. But that doesn't mean nobody who has JavaScript code would switch to Typescript. The idea is, you migrate one file at a time. With Circle it's even more gradual, since you can migrate one file one feature at a time.