Use typescript to emit declaration files

[rohit-gohri]

Now that microsoft/TypeScript#7546 (comment) is done, we can just use ts to create a declaration file for us instead of having to manually update JSDoc and .d.ts files. Will probably be available in Typescript v3.7

[goldingdamien]

Can tsc command emit declaration files from js containing JSDoc?

[rohit-gohri]

Can tsc command emit declaration files from js containing JSDoc?

It can starting from typescript 3.7