I'm still learning TypeScript and didn't know about "assertion signatures" prior to reading this article. They were added in 3.7. For any other TS users who als

I'm still learning TypeScript and didn't know about "assertion signatures" prior to reading this article. They were added in 3.7. For any other TS users who also aren't familiar: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-3-7.html#assertion-functions https://www.typescriptlang.org/docs/handbook/release-notes/t...