resultify

Result<T, E> for zero-pain error handling.

Zero dependencies - ~2 KB gzipped - TypeScript - Node + Bun + browser

Install

bun add @knownasrazi/resultify
npm install @knownasrazi/resultify

Usage

import { ok, err, tryCatch, Result } from "@knownasrazi/resultify";

const r = ok(2).map(n => n * 3);
r.unwrap(); // 6
err(new Error("boom")).map(n => n * 2); // still err
tryCatch(() => JSON.parse(maybeJson));
Result.tryCatch(() => risky(), e => new Error(String(e)));
ok(5).flatMap(n => n > 10 ? err(new Error("too big")) : ok(n + 1))
  .match(v => console.log("ok", v), e => console.error(e));

API

| Method | Description | | --- | --- | | ok(value) / err(error) | Constructors | | tryCatch(fn, catcher?) | Capture throws as Result | | .map(fn) / .mapErr(fn) | Transform ok/err | | .flatMap(fn) | Chain Result-returning fns | | .unwrap() / .unwrapOr(v) / .unwrapOrElse(fn) | Extract | | .match(ok, err?) | Dispatch |

Development

git clone https://github.com/knownasrazi/resultify.git
cd resultify
bun install
bun test
bun run build
bun run lint

License

MIT + Razi

resultify - errors as values, not exceptions.