export async function getText(stream: ReadableStream): Promise<string> {
  const reader = stream.getReader();
  const decoder = new TextDecoder();
  let result = '';

  while (true) {
    const { done, value } = await reader.read();
    if (done) break;
    result += decoder.decode(value, { stream: true });
  }

  result += decoder.decode(); // финализируем декодер
  return result;
}