You also need to have some kind of type checker. Your editor will find a lot of the stuff as you're working on it. You can even, there's an experimental mode in VS code that will show you all of the problems at once. But if you have a giant, giant output in your console, the thousands of errors, it might be something you just run every once in a little while instead of running in watch mode.
In this episode of Syntax, Wes and Scott talk about their respective processes for converting JavaScript to TypeScript in their projects, why you might want to, and tooling for moving to TypeScript.
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Show Notes
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