Is there any npm package to fulfil missing tvml js imports while using webpack?

You shouldn’t need to import them because they are available in the global namespace. Can you clarify what errors you’re getting?

What I meant was, when we use a linter like eslint, it does not recognise these global functions because they're only loaded after the app is launched. So I was checking to see if there was a package for such purpose.
Anyways, I was able to solve the lint errors by adding all the known undefs in .eslintrc globals array.

That is what I have done as well.