Koa is an expressive HTTP middleware framework for Node.js, designed to build web applications and APIs. It emphasizes a small core, relying on its middleware stack for functionality, and does not bundle any middleware. The current stable version is 3.2.0, with active development across both v2 and v3 branches, indicating a continuous release cadence.
npm install koaVerified import paths — ran on the pinned version, not inferred.
A basic Koa server that listens on port 3000 and responds with 'Hello Koa' to all requests.
Update old middleware to use `async (ctx, next) => { await next(); }` syntax, or return a Promise from `next()`.Install necessary middleware packages (e.g., `koa-router`, `koa-body`) and register them using `app.use()`.
Ensure your development and production environments are running Node.js v18.0.0 or a newer compatible version.
Upgrade to Koa v2.16.4+ or the latest v3.x version to ensure security patches are applied.
Declare your middleware function as `async`, e.g., `app.use(async (ctx, next) => { await next(); });`.Ensure `await next();` is called exactly once within each middleware. Review error handling logic or early exits that might bypass `await next()`.
Install the necessary Koa-compatible middleware package (e.g., `koa-views` for template rendering) and register it with `app.use()`.
Ensure that `ctx.set()` or `ctx.body = ...` operations occur before any part of the response has been flushed. This often happens if `await next()` is omitted or if asynchronous operations continue after the response is sent.
No dependency data recorded yet.