bug: OpenAIStream and StreamingTextResponse removed. Ask ai doesn't work.

[EtYahK]

Provide environment information

import { Ratelimit } from "@upstash/ratelimit";
import { kv } from "@vercel/kv";
import { OpenAIStream, StreamingTextResponse } from "ai";
import OpenAI from "openai";
import type { ChatCompletionMessageParam } from "openai/resources/index.mjs";
import { match } from "ts-pattern";

// Create an OpenAI API client (that's edge friendly!)

// IMPORTANT! Set the runtime to edge: https://vercel.com/docs/functions/edge-functions/edge-runtime
export const runtime = "edge";

export async function POST(req: Request): Promise {
const openai = new OpenAI({
apiKey: process.env.OPENAI_API_KEY,
baseURL: process.env.OPENAI_BASE_URL || "https://api.openai.com/v1",
});
// Check if the OPENAI_API_KEY is set, if not return 400
if (!process.env.OPENAI_API_KEY || process.env.OPENAI_API_KEY === "") {
return new Response("Missing OPENAI_API_KEY - make sure to add it to your .env file.", {
status: 400,
});
}
if (process.env.KV_REST_API_URL && process.env.KV_REST_API_TOKEN) {
const ip = req.headers.get("x-forwarded-for");
const ratelimit = new Ratelimit({
redis: kv,
limiter: Ratelimit.slidingWindow(50, "1 d"),
});

const { success, limit, reset, remaining } = await ratelimit.limit(`novel_ratelimit_${ip}`);

if (!success) {
  return new Response("You have reached your request limit for the day.", {
    status: 429,
    headers: {
      "X-RateLimit-Limit": limit.toString(),
      "X-RateLimit-Remaining": remaining.toString(),
      "X-RateLimit-Reset": reset.toString(),
    },
  });
}

}

const { prompt, option, command } = await req.json();
const messages = match(option)
.with("continue", () => [
{
role: "system",
content:
"You are an AI writing assistant that continues existing text based on context from prior text. " +
"Give more weight/priority to the later characters than the beginning ones. " +
"Limit your response to no more than 200 characters, but make sure to construct complete sentences." +
"Use Markdown formatting when appropriate.",
},
{
role: "user",
content: prompt,
},
])
.with("improve", () => [
{
role: "system",
content:
"You are an AI writing assistant that improves existing text. " +
"Limit your response to no more than 200 characters, but make sure to construct complete sentences." +
"Use Markdown formatting when appropriate.",
},
{
role: "user",
content: The existing text is: ${prompt},
},
])
.with("shorter", () => [
{
role: "system",
content:
"You are an AI writing assistant that shortens existing text. " + "Use Markdown formatting when appropriate.",
},
{
role: "user",
content: The existing text is: ${prompt},
},
])
.with("longer", () => [
{
role: "system",
content:
"You are an AI writing assistant that lengthens existing text. " +
"Use Markdown formatting when appropriate.",
},
{
role: "user",
content: The existing text is: ${prompt},
},
])
.with("fix", () => [
{
role: "system",
content:
"You are an AI writing assistant that fixes grammar and spelling errors in existing text. " +
"Limit your response to no more than 200 characters, but make sure to construct complete sentences." +
"Use Markdown formatting when appropriate.",
},
{
role: "user",
content: The existing text is: ${prompt},
},
])
.with("zap", () => [
{
role: "system",
content:
"You area an AI writing assistant that generates text based on a prompt. " +
"You take an input from the user and a command for manipulating the text" +
"Use Markdown formatting when appropriate.",
},
{
role: "user",
content: For this text: ${prompt}. You have to respect the command: ${command},
},
])
.run() as ChatCompletionMessageParam[];

const response = await openai.chat.completions.create({
model: "gpt-4o-mini",
stream: true,
messages,
temperature: 0.7,
top_p: 1,
frequency_penalty: 0,
presence_penalty: 0,
n: 1,
});

// Convert the response into a friendly text-stream
const stream = OpenAIStream(response);

// Respond with the stream
return new StreamingTextResponse(stream);
}

Describe the bug

In apps/web/app/api/generate/route.ts, the streaming functions are removed. How can it be implemented with new streaming documentation?

Link to reproduction

https://github.com/steven-tey/novel/blob/main/apps/web/app/api/generate/route.ts

To reproduce

.

Additional information

No response

[EtYahK]

I installed old version and it worked, but it would be great with also new documentation