ts-data-forge/dist/functional/result/impl/result-from-promise.d.mts

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/**
 * @template P The Promise type.
 * @internal
 * Utility type to extract the resolved value type from a Promise.
 */
type UnwrapPromise<P extends Promise<unknown>> = P extends Promise<infer V> ? V : never;
/**
 * Converts a Promise into a Promise that resolves to a `Result`. If the input
 * Promise resolves, the `Result` will be `Ok` with the resolved value. If the
 * input Promise rejects, the `Result` will be `Err` with the rejection
 * reason.
 *
 * @example
 *
 * ```ts
 * const successPromise = Result.fromPromise(Promise.resolve('ok'));
 *
 * const failurePromise = Result.fromPromise(Promise.reject(new Error('fail')));
 *
 * const resolved = await successPromise;
 *
 * const rejected = await failurePromise;
 *
 * assert.deepStrictEqual(resolved, Result.ok('ok'));
 *
 * assert.isTrue(Result.isErr(rejected));
 * ```
 *
 * @template P The type of the input Promise.
 * @param promise The Promise to convert.
 * @returns A Promise that resolves to `Result<UnwrapPromise<P>, unknown>`.
 */
export declare const fromPromise: <P extends Promise<unknown>>(promise: P) => Promise<Result<UnwrapPromise<P>, unknown>>;
export {};
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