ReasonJun

NestJS, a progressive Node.js framework, implements a sophisticated request lifecycle that ensures proper handling of incoming requests through various layers of processing. In this article, we'll break down each step of this lifecycle and understand how it helps in building robust applications.The Request Journey1. Middleware LayerPurpose: Handles common HTTP operationsFunctionality:Pre-process..

In React, the term "lifecycle" refers to the series of methods that are invoked at different stages of a component's existence, from initialization to destruction. These lifecycle methods allow you to perform specific tasks or implement logic at certain points in a component's lifecycle. React's lifecycle can be divided into three main phases: Mounting: This phase occurs when a component is bein..