-
-
Save vesan/dd5f1a7afc9ddef7bb6fbc7215e379c9 to your computer and use it in GitHub Desktop.
Theo's preferred way of handling try/catch in TypeScript
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
// Types for the result object with discriminated union | |
type Success<T> = { | |
data: T; | |
error: null; | |
}; | |
type Failure<E> = { | |
data: null; | |
error: E; | |
}; | |
type Result<T, E = Error> = Success<T> | Failure<E>; | |
// Main wrapper function | |
export async function tryCatch<T, E = Error>( | |
promise: Promise<T>, | |
): Promise<Result<T, E>> { | |
try { | |
const data = await promise; | |
return { data, error: null }; | |
} catch (error) { | |
return { data: null, error: error as E }; | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment