4 ms·
Sure, if you're validating some data there're loads of better ways to do it than a bunch of conditionals. I was purely commenting on the switch(true) pattern vs
by harg 5y ago
Sure, if you're validating some data there're loads of better ways to do it than a bunch of conditionals. I was purely commenting on the switch(true) pattern vs some "if"s.
That approach looks nice though. On that subject, JS has some nice libraries including io-ts[1] which has a functional approach using Eithers to encapsulate errors/success.
[1]: https://github.com/gcanti/io-ts https://github.com/gcanti/io-ts
- CloselyChunky 5y agoSure, if you have an either/result type, the whole thing becomes a fold, where each validator is a function from user to Either<Error, User> and then validators.reduce(Either.right(user), (acc, next) -> acc.flatMapRight(next)) This way you'll end up with either the validated user, or the first error that occurred and all the other validators were skipped.