How to get access to response in koa.js?

@kadin 

In Koa.js, you can access the response object using the context object. The context object is passed to middleware functions in Koa and contains the request and response objects.

To access the response object in Koa.js, you can use the context object's response property. Here's an example:

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const Koa = require('koa');
const app = new Koa();

app.use(async (ctx) => {
  // Access the response object
  ctx.response.status = 200;
  ctx.response.body = 'Hello Koa';
});

app.listen(3000);

In the example above, we are setting the status and body of the response object using the context object's response property. This allows us to modify the response that will be sent back to the client.

You can also access other properties and methods of the response object using the context object's response property, such as setting headers, cookies, and other response data.