Comment on Show HN: ES7 Decorator library adds types checking, memoization, and more to JSparentComments−underwater11yThis does runtime checking. Flow and Typescript do static type checking. Which, as long as the systems are sound, means you don't need a runtime component.−gsnedders11yTypeScript isn't sound, and does rely on runtime checking for a small amount of stuff. I don't know about Flow.
Comments
This does runtime checking. Flow and Typescript do static type checking. Which, as long as the systems are sound, means you don't need a runtime component.
TypeScript isn't sound, and does rely on runtime checking for a small amount of stuff. I don't know about Flow.