In recent years, Node.js has become a popular platform for building server-side applications. However, as applications become more complex, developers seek ways to improve their code’s development process and maintainability. This has led to the emergence of several Node.js frameworks, including NestJS.
In this guide, we outline the core differences and similarities between NestJS and Node.js, the use cases of each option, and the necessary factors to consider when selecting a framework for developing server-side software.
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- NestJS and Node.js are both open-source, server-side JavaScript frameworks
- NestJS is built on top of Node.js and provides additional features, such as dependency injection and out-of-the-box support for TypeScript
- Node.js is a lightweight framework widely employed for building fast and scalable applications
- NestJS is ideal for building complex applications requiring a high organisation and structure level
- Node.js is well-suited for building fast and lightweight applications like APIs and microservices
- When choosing between NestJS and Node.js, it’s essential to consider your project’s specific requirements and select the framework that best meets your needs
What Is NestJS?
NestJS is a framework for building scalable and efficient server-side applications in Node.js. NestJS is built on top of the popular Node.js framework, Express, and uses modern JavaScript, TypeScript, and object-oriented programming (OOP) principles to provide developers with a robust platform for building complex server-side applications.
In addition, NestJS combines elements of FRP (Functional Reactive Programming) and FP (Functional Programming) and is also compatible with an extensive range of other libraries, such as Fastify. NestJS supports various third-party plugins, allowing developers to use any of the available plugins in their applications.
What Is Node.js?
Node.js is an open-source, cross-platform, back-end JavaScript runtime environment that executes JavaScript code outside a web browser. It enables developers to build scalable, high-performance web applications with JavaScript using an event-driven, non-blocking I/O model. Node.js was launched in 2009 and has since been the primary framework for developing server-side applications.
Node.js primarily centers on creating dynamic content for web pages by scripting server-side content before executing them in the web browser. Most clover-side scripts are written in numerous Node languages, and this popularity is earmarked due to its construction on Google’s V8 JavaScript engine.
Explore further with our detailed article What Is Node.js and How Does It Work?
Factors to Consider When Choosing a Framework
When choosing a framework, there are several factors you should take into consideration to ease your selection. Some of the essential factors include:
1. Learning Curve
The framework you choose should have a reasonable learning curve for you and your team. You should be able to learn the framework and start building your application quickly. But oftentimes, this is overlooked. While we want to select a framework with a catchy homepage and documentation, you still need additional tutorials, courses, and articles to get started.
Establishing a vast framework is essential, but communicating the main ideas behind it is another. Getting a framework that has well-curated learning resources will easily enhance your learning curve. Ensure you search for help from developers and authors with previous experience, as this will give your team a more functional and fundamental understanding of the framework.
2. Community Support
A large and active community framework is more likely to be well-maintained, have frequent updates, and have plenty of resources available for troubleshooting and learning. In addition, most popular frameworks have a community of customers, developers, and customer support units around them. A community directly influences the availability of information about the framework you plan to implement.
Within a given framework community, you may find detailed info about forums, meetings, tutorials, and the presence of supportive developers who can extend a helping hand. To check the efficacy of community support of a specific programming language, check Stack Overflow or GitHub.
3. Performance
If you’re planning to develop a website, it becomes essential to select a website building framework that has good performance capabilities and can handle the expected workload of your application. Additionally, a framework’s performance level is defined by effective code libraries that guarantees rapid development, enhances the team’s competencies and project timeline and provides excellent support.
4. Scalability
As the innovative tendencies of your application begin to grow in line with changes in the technology space, your framework must be scalable. Furthermore, the selected framework should scale as your application grows and the user base expands.
Businesses do not profit from trying different switching frameworks to adjust to growing demand stand outcomes. It’s imperative that a framework can be developed and updated as needed. You should be able to text and renew codes easily through DOM manipulation ion, data processing, and time formatting.
5. Flexibility
Every organization today has a personalized web application, making it stand out. Customization is essential on the web you choose, and this is centered on selecting a framework that’s flexible enough to allow you to customize and meet your specific needs.
Framework with wide-scale libraries, significant community sports, and easy-to-understand action are handy when seeking flexibility. Hence, you must choose a framework that provides simple modifications and extensive configuration to achieve every requirement you envision.
6. Documentation
The selected framework should have comprehensive and easy-to-understand documentation to help you quickly learn and apply it. Good documentation highlights the core features and usage of a given framework, which enables users to understand the know-how and intricacies of the framework.
The popularity of a framework is also attributed to the development of its documentation and how well its community uses and updates its documentation.
7. Testing Support
Ease of integration is an essential part of a framework’s usability. The framework you’re considering should have built-in testing capillaries or be easily integrated with popular testing frameworks. It is not enough to have a feature-rich framework, and it’s also important that you’re able to incorporate some additional tools for enhanced functionality.
Testing the support of your chosen framework is relatively easy. For instance, Vue and React allow for easy installation of external libraries using NPM, especially if you use Webpack or a similar tool.
8. Security
The framework you select should have robust security shares and be designed to prevent common vulnerabilities such as cross-site scripting (XSS) and SQL injection attacks.
Differences Between NestJS and Node.js
NestJS and Node.js are both popular frameworks used for building scalable server-side applications. NestJS is built on top of Node.js and, as such, shares some fundamental similarities, such as the usage of JavaScript, and they are both open-source frameworks.
However, developers should consider some differences between the two frameworks when choosing the proper framework for their project. Here are some of the key differences between NestJs and Node.js:
1. Architecture
NestJS is an opinionated framework that uses an MVC (Model-View-Controller) architecture. It supersedes Node.js in this aspect as you can easily import and use a list of other f already-built libraries in your application instead of writing lengthy codes. Furthermore, with the components embedded in NestJS, you can efficiently develop our application with quality modules already tested.
On the other hand, Node.js does not have a specific architecture and is more flexible regarding application structure. While it does not possess standard architectural structures like NestJS, it contains numerous core modules that can be used to create a vast range of applications. In addition, NestJS flexibility allows you to add functionalities to your application using third-party modules.
2. TypeScript
A primary difference between NestJS and Node.js is the programming language they support. NestJS is built on top of TypeScript, a typed superset of JavaScript, which helps developers catch errors during development. Therefore, whenever you use NestJS, TypeScript is your only option.
Conversely, Node.js supports both TypeScript and JavaScript, but by default, Node.js is used with JavaScript. However, you can directly add TypeScript to any of your Node.js projects. Depending on your preference or the project you’re developing, you can choose between JavaScript or TypeScript.
3. Dependency Injection
NestJS has built-in dependency injection support, making it easier to manage dependencies in a large codebase. In addition, it is possible to process NestJS as a standalone application over its dependency injection container ecosystem, where you can choose from transient objects, singletons, or request-bound objects. In contrast, Node.js does not have built-in dependency injection support and is not easy to manage in a large codebase.
4. Libraries and Modules
NestJS has an extensive collection of pre-built modules and libraries that can be easily integrated into a project. Nest modules are vital when establishing an execution context allowing component sharing within a single application.
Node.js, on the other hand, Node.js has a larger ecosystem with more available libraries and modules. The modules in Node.js provide functionality that’s linked with multiple JavaScript files. Some standard modules and libraries in Node.js include Express, Gulp, Async.js, request, and more.
Similarities Between NestJS and Node.js
NestJs and Nide.js are used for building scalable and high-performance applications, but they differ in their approach and functionality. Here are some similarities between NestJS and Node.js:
1. Both Use JavaScript
NestJS and Node.js use JavaScript, making open sources switch between the platforms. With NestJs as a full TypeScript, it allows developers to code directly in JavaScript and enable the combination of Object-Oriented Programming (OOP), Functional Programming (FP), and Functional Reactive Programming (FRP).
2. Open-Source
NestJS and Node.js frameworks are open source and free to use, contributing to their widespread popularity. Node.js can work across multiple platforms, such as Windows, Unix, Linus, MacOS and more. NestJS is an open-source server with a large user base and a vast ecosystem of essential integrations, packages, and plugins.
3. Asynchronous Programming
NestJS and Node.js both support asynchronous programming, allowing developers to write code that can handle multiple requests simultaneously. In addition, they both provide several methods to write asynchronous request handlers.
4. Support for Multiple Platforms
NestJa and Node.js frameworks can be used to build applications for multiple platforms, including web, mobile, and desktop. NestJS seeks to be a platform-agnostic framework such that it becomes possible to develop reusable logical parts that can be used across different t application types. Being built on the Node.js web framework, NestJS can work on any Node HTTP framework.
5. Community Support
NestJS and Node.js have active and supportive communities that provide developers with extensive documentation, tutorials, and resources. In addition, their communities tremendously influence the availability of detailed information and resources for learning and troubleshooting.
Use Cases for NestJS vs Node.js
NestJS and Node.js are both used for building server-side applications, but they differ in terms of their approach and the level of abstraction they provide. Here are some use cases for each framework:
Use Cases for NestJS
1. Large-Scale Applications
NestJS is the appropriate solution for developers looking for a framework to handle complex applications with a modular and scalable approach. Its adoption of TypeScript and modular design makes it the proper framework for projects that require a high proportion of maintainability and reliability. In addition, NestJS provides features like dependency injection, middleware, and support for GraphQL that make it ideal for building large-scale abstractions.
2. Microservice Architecture
NestJs supports the microservice architectural style of developing applications. It provides a built-in microservice module that makes it easy to build microservices-based applications. In addition, it supports various communication protocols, like TCP, UDP, and RabbitMQ, which are responsible for transmitting messages between different microservice units.
3. Real-Time Applications
NestJS supports WebSockets and Event APIs, making it an excellent choice for building real-time applications like chat applications, gaming apps, collaborative tools, video conferencing, and document sharing. These applications have innumerable users engaging in heavy I/O operations, which can cause server overloading. NestJS allows these applications to function seamlessly.
Use Cases for Node.js:
1. Lightweight Applications
Node.js is a lightweight and efficient framework suitable for building small to medium-sized applications requiring a low memory footprint. Furthermore, due to its efficient runtime, Node.js can help developers create high-performance, non-blocking and event-driven applications.
2. High-Performance Applications
Node.js is a highly used framework for developing robust and high-performance applications. Node.js is built on Google’s V8 JavaScript engine, which provides excellent performance for applications that require high throughput and low latency.
3. Serverless Applications
Node.js is well-suited for building serverless applications on cloud platforms like AWS Lambda, Google Cloud Functions, and Azure Functions. It supports event-driven architecture, which is usually executed based on the type of events triggered. When these events are triggered, Node.js provides an easy way to deploy resources to serve these events in a serverless environment.
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Conclusion
From the foregoing, choosing between NestJS and Node.js is a factor of personal preference and the server requirement of your project.
- NestJS is a reliable and fantastic framework for building enterprise-level applications like those in the medical and banking sectors.
- Node.js is more suitable for a vast range of projects that require a general-purpose runtime environment.
Whatever your choice, it’s important to note that NestJs and Node.js provide a robust and quality framework for projects in JavaScript and TypeScript. In addition, they both have an active community with plenty of resources and guidance. Finally, remember that no matter your choice, you’ll get the experience of a lifetime as a developer.
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