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Leading ReactJS Coding Practices to Follow in 2022

Leading ReactJS Coding Practices to Follow in 2022

If you want your app to have highly interactive user interfaces, you most probably have a ReactJS toolkit at your disposal. But with such a useful technology, it is equally important to follow the best coding practices. That will make the code more efficient and organized.

In this article, we will discuss the best React.js coding practices for best results.

Leading React.js Coding Practices to Follow in 2022

Small Components

React allows developers to create large components that perform multiple jobs. However, keeping components small enough that each one corresponds to a single purpose is a preferable method to design them. A single component should ideally render a specific section of the website or change a certain behavior.

The balance between producing one compact component and several function-specific components can differ from one company to another. There are many components in React.js web development, and developers can recombine them in any way to have the same effect.

Reusability

Developers can improve the component reusability aspect by adhering to the notion of “one function one component”. This indicates that if a component for a function already exists, developers should not try to create a new component for that function.

Not only will this result in consistency by reusing components throughout the project, but it’ll also be contributing to the community. So, make sure that if you hire React.js developers, they keep in mind the reusability factor.

Sometimes a component may get too large, bulky, or difficult to maintain. In that case, it’s best to split it down into as many smaller components as necessary.

DRY Approach

A general criterion for any code is that it should be as short and simple as possible. It’s no different here, because React best practices advise developers to write code that’s short and precise. Avoiding duplication is one method to achieve this — DON’T REPEAT YOURSELF (DRY). This is a common practice of every Custom Reactjs development company.

Developers can accomplish this by looking for patterns and connections in the code. If they find any, it’s probable that they are duplicating code and that there’s a way to get rid of it. Developers can most certainly make it more concise with a little rewriting. This largely relies on React’s reusability idea.

Individual Rendering

React.js web development components can be stateful or stateless. Stateful components keep track of the state of the component and give the necessary context. Stateless components, on the other hand, have no memory and are unable to provide context to other portions of the user interface.

Only the parent component’s props (inputs) are passed to them, and they return JSX elements. They’re scalable and reusable, and they’re akin to JavaScript’s pure functions. That’s why many Reactjs development services providers use this.

Keeping your data-loading logic separate from rendering stateless code is one of React’s best practices. It’s preferable to use a stateful component to load data and a stateless component to show it. The components’ complexity is reduced as a result.

React Hooks, a new feature in more current React versions (v16.8), write stateful function-related components. This may reduce the requirement for class-based components in the future.

Keeping CSS in JavaScript

It is common to retain all of the CSS styles in a single SCSS file when developers first start working on a project. They avoid any potential name clashes by using a global prefix. This solution, however, may not be practicable if the project grows in scale.

A React library allows developers to write CSS in JS. The most popular frameworks are EmotionJS and Glamorous.

Consolidated Files

Keep all files related to a single component, including styling files, in a single folder. Sometimes there might be minor components in Reactjs web development that only one component utilizes. Therefore, that makes it logical to put them all together in that component folder.

That way, the hierarchy will be clear. Big components will have their own folder, and small components will be divided into sub-folders. That will allow developers to simply copy code to another project or edit it whenever they wish.

Snippet Libraries

Code snippets assist you in staying current with the latest up-to-date syntax. This React library also helps to maintain your code bug-free. Therefore, this is one of the React best practices you should not overlook.

Some of the best snippet libraries in the React toolkit are ES7 React, Redux, JS Snippets, and others.

Naming Conventions

If developers utilize JSX (a JavaScript extension) like the majority of people, the names of the elements they build must start with uppercase letters. They must  do this so that JSX can distinguish them from standard HTML tags.

To distinguish built-in names from custom names, earlier React.js web development versions kept track of all built-in names. However, the list required to be updated on a regular basis So, that was abandoned, and caps became the rule.

Also, developers commonly use JSX (JavaScript Extension) files when working with React. As a result, they should name any React component they develop in Pascal case, or upper camel case. This means:

  • There should be no spaces between names
  • The first letter of each word must be capitalized

If you hire Reactjs developers, make sure they give the constructed function a name in upper case. Pascal case is the name given to the upper camel case.

Executable and Testable

This rule is self-explanatory. The code developers write should perform as expected and be readily and quickly testable. It’s a good idea to give test files the same names as the source files. It will then be simple to locate the test files.

Developers can utilize Jest to test the React program.

Linting

Linting is an important technique in the React toolkit in which developers run software that looks for potential faults in the code.

They mostly use it to solve language problems. However, it can also automatically correct a variety of other errors, including code style. Using a linter in your React code can eliminate errors and bugs from your code.

Writing Tests for Code

Adequate testing ensures that any new code contributed to your project interfaces properly with old code. It is also important that it does not disrupt existing functionality in any programming language. Writing tests for any new element developers build is a smart approach. They should build a test directory within the component’s directory to house all necessary tests as a best practice.

Tests in React.js web development may be divided into two categories:

  • Component functionality testing using a React app
  • Tests on your entire application once it has rendered in the browser

For tests in the second group, developers can use cross-browser testing tools.

To test React components, developers can use Jest, a JavaScript test runner, to imitate the HTML DOM using jsdom. Jest simulates the true testing environment during the development stage of the project.

In Conclusion

One of the main reasons for the success of a project is when developers follow the best practices of coding. That also makes the app or website more efficient and glitch-free. The developers of our Reactjs development company understand its importance and ensure that they follow it by the book. That’s why our clients are always impressed by the quality of our digital solutions.

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