rc-js-util/src/promise/impl/promise-reject-falsey.ts

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

/**
 * @public
 * Returns a Promise of rejection with the supplied error if the `value` is falsy.
 *
 * @remarks
 * See {@link promiseRejectFalsey}.
 */
export async function promiseRejectFalsey(value: Promise<boolean> | boolean, error: unknown): Promise<void>
{
    const result = await value;

    if (!result)
    {
        return Promise.reject(error);
    }
}