It consists of various important source codes which would be discussed along. These core files can be visualized from the image below. Project StructureĪfter the folder is created for the project, node modules of NestJS along with other boilerplate dependencies are created which consists of several core program files. One execution of this command, a new folder named my-nestjs-01 is created in the location provided currently and all the default project templates are thereby downloaded into this folder. If it is not installed, make use of the Node Package Manager (NPM) and follow up the approach using the commands given below. Installationīefore you start creating your back-end application using NestJS, all you need to do is to make sure you have Nest CLI is primarily installed on your local computer. These hidden bars provide developers like you to gain the freedom to use the third-party modules vividly and they can be made to underlie in the NestJS platform without having to manipulate the entire server-side. NestJS aims to provide a certain level of abstraction mechanism to the developers so that not only the common server-side frameworks like Fastify or Express that are integrated internally, but can also be exposed to the APIs chosen by the developer. It can also be optionally configured to make use of Fastify as well although Express is considered as default. To be precise, NestJS makes use of heavy usage of the server-side framework like Express under the hood of robust HTTP infrastructure. You might not know certain aspects that work as the basic building blocks of NestJS. Since NestJS is a full TypeScript supported framework, it can enable developers like you to code purely in JavaScript and would let you combine the concepts of Object-Oriented Programming(OOP), Functional Reactive Programming(FRP), and purely Functional Programming(FP). It also can be scaled to make use of Express.js under the influence of Node.js. The framework is channeled with the Node.js environment and supports TypeScript fully. NestJS is quite a popular and cumulative JavaScript framework functioning under the hood of Node.js and is used to construct scalable, reliable, and efficient server-side applications. You would be learning about it from a beginner level covering all the tiny staircases that will push you into installation, creating a new application from NestJS from scratch, and learn how to handle and implement in the day-to-day scenarios. This tutorial is solely intended to make you gain absolute knowledge of NestJS.
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