Function isPromiseLike

src/utils.ts:171–178

(value?: unknown)

 * @returns true if the provided value is a Promise
 */
export function isPromiseLike<T = unknown>(value?: unknown): value is PromiseLike<T> {
  return (
    value != null &&
    typeof value === 'object' &&
    'then' in value &&
    typeof value.then === 'function'
  );
}

/**
 * Applies collation to a given command.