/**
 * Copyright (c) 2017-present A. Matías Quezada <amatiasq@gmail.com>
 */
/**
 * Decorates a method to allow only the last call to be fulfilled.
 * This will prevent race conditions where previous calls being fullfilled after
 *   the last call will overwrite the output.
 * Use with caution! Previous calls will be left unfulfilled which is considered an anti-pattern.
 *
 * @link http://jsfiddle.net/amatiasq/zhmz8xdx/
 *
 * @param {Function} fn Function to be decorated.
 * @returns {Function} The decorated function.
 */
export default function raceCondition<TArgs, TOut>(fn: (...args: TArgs[]) => Promise<TOut>): (...args: TArgs[]) => Promise<TOut>;