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It's very easy to build your own versions of the above error handling yourself, and in fact, I'd recommend it as a learning exercise if you want to become more familiar with TypeScript. But of course, there are many packages out there to help you. Some examples — in no particular order — include, purify-ts, fp-ts, and neverthrow. You’ll notice that a couple of those examples are functional programming libraries, this is because errors can be well-modelled with monads.
It's very easy to build your own versions of the above error handling yourself, and in fact, I'd recommend it as a learning exercise if you want to become more familiar with TypeScript. But of course, there are many packages out there to help you. Some examples — in no particular order — include, purify-ts, fp-ts, and neverthrow. You’ll notice that a couple of those examples are functional programming libraries, this is because errors can be well-modelled with monads.