idempotencyKey — @gj-kit/toss-payments

A public function from @gj-kit/toss-payments. The signature below is taken directly from the 0.6.1 release declaration.

Verified import example

import { idempotencyKey } from '@gj-kit/toss-payments';

Signature, parameters, and return type

/**
 * 멱등키 스마트 생성자 — 1–300자 + 헤더 안전 문자셋(`^[\x21-\x7E]+$`).
 * 한글·공백·CR/LF 등은 `reason: 'bad-charset'`. Ok이면 그 값은 어떤 fetch 구현에서도
 * `Idempotency-Key` 헤더로 바이트 동일하게 전송된다.
 */
declare function idempotencyKey(raw: string): Result<IdempotencyKey, InvalidInput<'idempotencyKey'>>;

This declaration is the source of truth for parameters, optionality, generics, return values, and public union/type contracts. Check the package golden path and this subpath’s import conditions for required environment, permission, and error boundaries before calling it.

Release context

• Package: @gj-kit/toss-payments
• Version: 0.6.1
• Public entry: .
• Source: GitHub