@lobehub/chat/packages/model-runtime/src/utils/response.ts

Lobe Chat - an open-source, high-performance chatbot framework that supports speech synthesis, multimodal, and extensible Function Call plugin system. Supports one-click free deployment of your private ChatGPT/LLM web application.

export const StreamingResponse = (
  stream: ReadableStream,
  options?: { headers?: Record<string, string> },
) => {
  return new Response(stream, {
    headers: {
      'Cache-Control': 'no-cache',
      'Content-Type': 'text/event-stream',
      // for Nginx: disable chunk buffering
      'X-Accel-Buffering': 'no',
      ...options?.headers,
    },
  });
};