| alias |
|---|
Cloudflare Workers |
- Serverless functions that run on Cloudflare's global edge network.
- Utilize the V8 JavaScript engine and operate similar to Node.js.
- Used to build and deploy code closer to users for better speed and reliability.
- Common use cases for Cloudflare Workers:
- edge caching,
- image optimization,
- redirects, and
- rate limiting.
export default {
async fetch(request: Request) {
const html = `<!DOCTYPE html>
<html>
<body>
<h1>Hello, World!</h1>
</body>
</html>`;
return new Response(html, {
headers: {
"content-type": "text/html;charset=UTF-8",
},
});
},
} satisfies ExportedHandler;export default {
async fetch(request: Request) {
const to = "https://minch.dev";
return Response.redirect(to, 301);
},
} satisfies ExportedHandler;import { Ai } from "@cloudflare/ai";
export interface Env {
AI: Ai;
}
export default {
async fetch(request: Request, env: Env) {
const ai = new Ai(env.AI);
const genAiModel = "@cf/meta/llama-2-7b-chat-fp16";
const url = new URL(request.url);
const input = url.searchParams.get("query");
if (!input.trim()) {
input = "What is Cloudflare Workers?";
}
const messages = [
{ role: "system", content: "You are a friendly assistant" },
{ role: "user", content: input },
];
const stream = await ai.run(genAiModel, {
messages,
stream: true,
});
return new Response(stream, {
headers: { "content-type": "text/event-stream" },
});
},
};