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Turn async values and errors into tuples. https://www.npmjs.com/package/safe-try
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| // Also available on NPM: https://www.npmjs.com/package/safe-try | |
| // By @typeofweb 2024 | |
| // License: MIT | |
| type PromiseToTupleResult<T> = [Error, null] | [null, Awaited<T>]; | |
| export const try_ = async <T extends Promise<unknown>>( | |
| promise: T, | |
| ): Promise<PromiseToTupleResult<T>> => { | |
| try { | |
| const result = await promise; | |
| return [null, result]; | |
| } catch (maybeError) { | |
| // You could change the logic here to handle errors in a more sophisticated way maybe? | |
| const error = maybeError instanceof Error ? maybeError : new Error(String(maybeError)); | |
| return [error, null]; | |
| } | |
| }; | |
| // usage | |
| const [result, error] = await try_(asyncMightFail()); |
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