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Theo's preferred way of handling try/catch in TypeScript
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| // Types for the result object with discriminated union | |
| type Success<T> = [T, null] | |
| type Failure<E> = [null, 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, null ]; | |
| } catch (error) { | |
| return [ null, error as E ]; | |
| } | |
| } |
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