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Discussion on: Do you prefer TypeScript over vanilla JS?

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FelipeRes

Can I use typescript to get the type of external framework objects? If yes, I will change to it now!

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Kai

It depends. Frameworks written in TypeScript export their types directly. For others, e.g. express, the type definitions are provided by the community. You can download them via npm i -D @types/express. For lesser known libraries there might be no type definitions available.