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import Anthropic from "npm:@anthropic-ai/sdk@0.22.0";
export default async (req: Request) => {
const anthropic = new Anthropic();
let { readable, writable } = new TransformStream();
let writer = writable.getWriter();
const textEncoder = new TextEncoder();
anthropic.messages.stream({
model: "claude-3-haiku-20240307",
max_tokens: 1024,
system: `Be funny`,
messages: [
{ role: "user", content: "tell me a story" },
],
}).on("text", (data) => {
console.log(data);
writer.write(textEncoder.encode(data));
}).on("end", () => {
writer.close();
});
return new Response(readable, {
headers: {
"Content-Type": "text/html",
},
});
};