Abstract visualisation of programming with React Native

Mastering Linting in React Native

Mark Worachote
Mark Worachote
Solutions Engineer
Nov 8, 2023

Linting is an essential part of any development process, especially in a React Native environment. It helps to catch errors, maintain a consistent coding style, and ultimately, improve the quality of your code. In this blog post, we will explore how to set up and configure linting tools in a React Native environment, discuss best practices, and provide tips for troubleshooting common issues. Whether you’re a seasoned developer or just starting out with React Native, this guide will equip you with the knowledge to ensure your code is clean, efficient, and error-free.


Before we dive into the details, make sure you have the following requirements:

  1. Basic knowledge of JavaScript and React Native.
  2. Node.js and npm installed on your machine.
  3. A React Native project to work on. If you don’t have one, you can create a new one using the React Native CLI or Expo CLI.
  4. A code editor, preferably Visual Studio Code as it has great support for JavaScript and React Native.

Step 1: Installing ESLint

ESLint is a popular linting tool for JavaScript. To install it, navigate to your project directory and run the following command:

This will install ESLint as a devDependency in your project.

Step 2: Configuring ESLint

After installing ESLint, you need to configure it. Create a new file in your project root directory named <span id="greylight" class="greylight">.eslintrc.js</span> and add the following code:

This is a basic configuration that extends the recommended ESLint rules. You can customize it according to your needs.

Step 3: Linting Your Code

To lint your code, you can run the following command:

This will lint all the JavaScript files in your project. If there are any errors or warnings, ESLint will print them in the console.

Step 4: Integrating ESLint with Your Editor

Most code editors have plugins that integrate with ESLint. For example, if you’re using Visual Studio Code, you can install the ESLint extension. Once installed, the extension will automatically lint your code as you type and highlight any errors or warnings.

Step 5: Setting Up Prettier

Prettier is a code formatter that integrates well with ESLint. To install it, run the following command:

Then, update your <span id="greylight" class="greylight">.eslintrc.js</span> file to include Prettier:

Now, Prettier will format your code whenever you save a file.

Final Thoughts

Linting is a powerful tool that can greatly improve your code quality. It not only helps to catch errors but also enforces a consistent coding style. By integrating ESLint and Prettier in your React Native project, you can ensure that your code is clean, efficient, and error-free.

Fortunately, Amity Social Cloud, the complete suite of pre-built features to enable in-app social experiences and fuel user engagement now supports React-Native UI Kit open-source with lint supported at the core of the codebase so it’s easier for client to easily fork the UI Kit and customize the entire codebase with lint format, which simplifies the process of adding Chat and Social features to your application. This means developers don’t need to worry about ongoing maintenance, updates, or infrastructure issues.