The Brain

yes ` zip.addFile("test.txt", Buffer.from(content, "utf8"), "entry comment goes here"); `

Yes, that would be nice. Unfortunately I don't have to much time to take care of any of that. You're welcome to contribute if you want.

Sure, happy to.

do some PR's first and we'll get there

`extractAllTo` is not async. Your code should not advance unless that method is done. You can wrap that function call in another function that returns a promise and call `await`...