@ts-utilkit/result

Discriminated Result<T, E> helpers for explicit success/failure without relying on thrown exceptions.

Installation

npm install @ts-utilkit/result

Quick Example

import { ok, err, map, unwrapOr, fromThrowable } from '@ts-utilkit/result';

const doubled = map(ok(21), (n) => n * 2); // ok(42)
unwrapOr(err('missing'), 0); // 0

const parsed = fromThrowable(() => JSON.parse('{"a":1}'));

Available Functions

• ok / err — construct results
• isOk / isErr — type guards
• map / mapErr / andThen — transforms
• unwrap / unwrapOr / match — extract values
• fromThrowable — wrap throwing sync functions

License

MIT © Mykyta Forofontov