oak: a middleware framework

A middleware framework for JavaScript and TypeScript

oak is a middleware framework for handling HTTP requests across Deno, Node.js, Bun and Cloudflare Workers.

deno add @oak/oak

npx jsr add @oak/oak

yarn dlx jsr add @oak/oak

pnpm dlx jsr add @oak/oak

bunx jsr add @oak/oak

import { Application, Router } from "@oak/oak";

const router = new Router();

router.get("/", (ctx) => {
  ctx.response.body = "Hello world";
});

const app = new Application();
app.use(router.routes());
app.use(router.allowedMethods());

app.listen();

Familiar API

oak was inspired by Express.js and koa and originally written for the Deno runtime. This makes it easy to adapt existing approaches with out of the box cross platform support.

See the docs