The Node js framework Express is a back end framework for building web applications and APIs. It is available for free under the MIT license. It has been called the “de facto” server framework for Node.js, as it is highly extensible, flexible, and fast.
Express was released in November 2010 and is on its fourth major release. Its changelog lists the latest changes, as well as past releases. The code is open source, which means that you can contribute and help maintain the project. You can also view its history on GitHub. If you have the time to read code and help documentation, you may want to consider using Express.
Express includes an error handler that handles any remaining errors that are passed to it by the client. This error handler is added to the middleware function stack, and is triggered by the client when it encounters an error. This error handler also writes an error message to the client and a stack trace. To enable the error handler, you must set the environment variable NODE_ENV=’production’.
If you want to build applications with Node JS, you’ve probably heard of the Hapi node js framework. Its core is open source, but it offers commercial support. The commercial license allows you to secure additional support, such as a guaranteed response time when you have a problem or need help. It also lets you buy support for older versions of the framework.
A major advantage of using Koa is that it allows developers to write less code than other frameworks. The resulting code is easier to read and is much shorter. The framework also makes use of the new async/await keywords, a feature introduced in Node 7.6. In contrast to Express, which is callback-oriented, Koa makes use of async/await from the start.
LoopBack is an enterprise-ready Node JS framework that allows developers to use TypeScript to create and manage server instances. It can also help developers build libraries of reusable components and standardized platforms. LoopBack is an open source project, and IBM and many other companies use it for their products and services.
LoopBack allows developers to easily create RESTful APIs. It comes with dependency injection (DI) built in by default. DI helps developers loosen the caller-called function coupling and provides a flexible way to create models and microservices. It also helps developers avoid the hassle of installing packages and drivers. It also has DB connectors and integrates with Swagger, the largest API toolkit for describing REST APIs.
LoopBack has grown to become a community-driven project, with a large number of maintainers and Technical Steering Committee members from different organizations. It is one of 40 projects officially hosted under the OpenJS Foundation.
Meteor is a partly proprietary and mostly open-source web framework for building rapid prototyping applications. It is written in Node.js and is designed for cross-platform use. Its powerful features allow you to quickly create and test your apps. It is also very easy to learn and a great choice for those who are just getting started with web development.
One of the main reasons why you should use Meteor is its ability to handle real-time web applications. Its reactive programming model provides a framework for handling data flow on change. A good example of this would be the Facebook like and comment system, which updates a database when a user likes or comments on a post. In addition to that, the framework allows you to deploy your applications easily. This is done with one command in the Meteor environment. The framework also includes a free sample app for you to try.