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5 useful ReactJs libraries for web development

Create React App

One of the best tools for creation and development of React applications happens to be Create React App. Just by putting in a little amount of effort, it can even be used for creation of libraries of React components which can then be published to node package manager and can also be put to use along side other applications based on React. Irrespective of whether you are making use of React or some other library, Create React App will allow you to pay attention to code and not get distracted by the build tools. It is very easy to maintain in that the tooling for your build is usually a daunting task that is also very time consuming. Whenever newer versions of Create React App are made available, you are able to upgrade just by launching a single command: npm install [email protected]

Redux

Redux is a library that can be used by itself with any framework or UI layer, which also includes React. React and Redux are usually used together, but it is important to note that they are not dependent on each other at all and can be used independently. React-Redux happens to be the de facto standard Redux user interface binding library when it comes to React.
The state that your application is in is stored in the form of an object tree which has a single store. This makes it trivial to create apps that are universal since the state coming from the server can be hydrated and serialized in the client without any extra coding effort.
Redux is a predictable state container used for JavaScript and can be used with frameworks like React, Angular, Backbone,Ember.js etc. Using Redux with React introduces a central data store which contains the state of the application. So with store concept there is no need to synchronize state manually. We can depend upon the Redux store.

Styled Component

Styles components come out of thinking about CSS can be enhanced for the purposes of styling component systems of React. When we focus on just one use case, we are able to bring optimization to the experience of the developers as well as the result of the actions for the ultimate end users. Along with improving the experience of the developers, use of styled components brings about the automation of critical CSS, helps with no class name bugs, easier deletion of the CSS, simple dynamic styling, brings in painless maintenance and automatic vendor prefixing. Installing the styled components takes just a single simple command and you are ready to rock and roll.

React Router

React Router happens to be the standard library used for routing in React. As per the documentation, React routing keeps your user interface in synchronization with the URL in the browser. It boasts of a very simple user interface which comes with very powerful features like lazy loading of code, dynamic matching of routes, and translation of location built into it.

Enzyme

Enzyme happens to be a testing utility built over Java script that is used for React to make it easier for anyone to test the outputs of their React components. You are allowed to tranverse, manipulate and also simulate the run time in certain ways given some sample output. The APIs of Enzyme are meant to be flexible and very intuitive by the virtue of them mimicking the jQueryt APIs for manipulation and traversal of DOM. Shallow rendering that happens to Enzyme comes out very handy in constraining yourself in the testing of a component as a single unit, and also ensures that the tests that you are running are not directly asserting the behavior of the child components. Shallow rendering can be used to test a component as a unit however many people say that shallow rendering can break the application and tests may say everything is fine and working giving a false sense of security. There are other better ways to test than shallow rendering.