Router - Controller

A controller is a callback function that handles the request and generates the response for a specific route. In VkrunJS, a controller is typically used when you have a single function that will handle the request for a particular route.

Example

In this example, the controller controller processes the incoming request and sends a response:

import v from "vkrun"
 
const vkrun = v.App()
 
// Controller function
const controller = (req: v.Request, res: v.Response) => {
  res.send("Hello from the controller!")
}
 
// Using the controller in a route
vkrun.get("/example", controller)

In the above example:

• The controller is executed when a GET request is made to /example.
• It processes the request and sends the response Hello from the controller!.

Benefits of Using Controllers

• Separation of Concerns: Controllers allow you to keep your route definitions clean and concise, separating the logic for handling the request.
• Reusability: Controllers can be reused across multiple routes or even applications, making your code modular and easier to maintain.

Controllers typically focus on handling a single request and performing the core logic, like fetching data, processing input, or generating the appropriate response.