Eslint React Config, There are many ESLint rules for React out there — learn which ones are most useful in this post, which covers the twelve most essential ones. Contribute to antfu/eslint-config development by creating an account on GitHub. 2, last published: 9 months ago. 0, last published: 3 years ago. Latest version: 19. eslint - A useful linting tool that guarantees developers adhere to standard coding conventions. Start using eslint-plugin-react in your project by running `npm i eslint-plugin-react`. Start using eslint-config-react-app in your project by The above configuration sets up ESLint to work with React and React Hooks using the recommended configurations. Setup ESLint and Prettier on a React app with a precommit In this part, we will see how to setup Prettier, husky, and lint-staged on an app Anthony's ESLint config preset. Flexible: Fully customizable rule severity levels, allowing you to enforce or relax rules as The library for web and native user interfaces. Let’s learn how to add ESLint to a React app with the steps below: Learn how to set up and configure ESLint with Prettier for effective JavaScript code linting in your React projects, featuring tools like ESLint's JS config and globals package, under the guidance of seasoned React specific linting rules for ESLint. Here's how to set it up in a React project using Webpack. JSX Transform ESLint React uses compiler options in However, she found that both the ESLint official documentation and other resources do not adequately explain how to implement the latest version The eslint-config-react-app docs have detailed guidelines on customizing and extending the ruleset. How to Fix ESLint Error: 'ESLint Couldn't Find the Config "react-app"' in React Projects (create-react-app) If you’ve worked with React projects created using create-react-app (CRA), you’re Note that it does not enable our React Hooks rules. {js,cjs,mjs} 已经取代了 . Follow this step-by-step guide to set up linting and formatting tools. Start using eslint-config-standard-react in your project by running `npm i Flat 配置文件取代 eslintrc 配置 新版 eslint. I was reviewing our React + TypeScript project's ESLint config to debug conflicting settings that were causing ESLint to miss errors in large portions of our codebase. There Linting a React App In our terminal again, we need to npm install -g eslint-plugin-react. We'll take a loot at different setups, including TypeScript and React. 0 locates eslint. ESLINT is a pluggable linting tool for JS as well as JSX (basically React) which helps you detect possible errors in your code ranging from a wide 作为一个强大的静态代码分析工具，ESLint 能够帮助开发者发现和修复代码中的问题，从而确保代码的可维护性和稳定性。 在本文中，我们将探讨在 React 项目中使用 ESLint 的最佳实践， This is because Create React App intentionally provides a minimal set of rules that find common mistakes. while running eslint. Start using eslint-config-react in your project by running `npm i eslint-config As a React developer, integrating ESLint into your project can significantly improve code quality and productivity. js. Set up ESLint in React projects to enforce code quality standards and catch errors during development. It is used with the purpose of improving code quality, This plugin exports a recommended configuration that enforces React good practices. If you are using . This page details which options are used and how they affect the linting process. React ESLint Configuration ESLint is the result of prayers performed by senior devs, so that they can enjoy their trips without worrying much about the code chaos other devs will cause. By understanding the fundamental concepts, following the installation and eslint-config-standard-react An ESLint Shareable Config for React/JSX support in JavaScript Standard Style Install This module is for advanced users. Previously I was using eslint V7. This short guide will provide you a consistent and reusable development workflow for all React / React Native projects. js file and install the relevant dependencies based on the user's choice. another eslint-config-react-app In addition to green tests, there's nothing more satisfying than writing consistent and maintainable code with your team. Prettier is a code Install ESLint and related plugins: Initial Setup Creating an ESLint Configuration File Run the ESLint initialization command: Answer the prompts to customize ESLint: Select "To check syntax, find . . Conclusion Configuring ESLint for TypeScript and React projects is an essential step in maintaining code quality. Contribute to jsx-eslint/eslint-plugin-react development by creating an account on GitHub. ESLint in React is a JavaScript linting tool that is used for automatically detecting incorrect patterns found in ECMAScript/JavaScript code. ESLint Setup in Vite 2025 (React + JavaScript) — Skip the Flat Config Mess As of 2025, Vite and ESLint have moved fast, maybe a little too fast. Contribute to facebook/create-react-app development by creating an account on GitHub. New configuration file lookup algorithm ESLint v10. 35. Looking back, I This example uses the configuration file at ~/my. In this ESLint React uses the Typed Linting API from typescript-eslint to retrieve type information for the rules that require it. js / Remix support Next. Latest version: 13. The more effort you Подключение Правил ESLint для React ESLint — это инструмент статического анализа кода, который помогает обнаруживать ошибки в Type checking of JavaScript is optional and opt-in. ESLint can also be configured to work with TypeScript projects hence previously dominated TSLint was deprecated in favor of ESLint. eslintrc, and you'll be all set. Install the correct versions of each Learn how to set up ESLint to lint React, React Hooks, and React Refresh in Vite for improved code quality and consistency I ran into issues configuring ESLint for React projects several times, and I finally figured out the root causes. To enable this configuration use the extends property in your . Complete guide to setting up ESLint with React and VS Code. Custom rules are usually fine, unless the ESLint peer Yes, ESLint natively supports parsing JSX syntax (this must be enabled in configuration). 53 with MIT licence at our NPM packages aggregator and search engine. mjs in your React/TypeScript project is a manageable yet powerful step towards enhancing code quality and consistency. ESLint is a popular static code analysis tool that helps detect errors, potential bugs, and best practices in JavaScript code. 53 package - Last release 0. js In contrast to eslintrc, which allowed multiple config files in multiple locations, multiple config file formats, and Learn how to set up ESLint and Prettier in a React + TypeScript Vite project to enhance code quality and maintain consistent coding standards. It includes the @next/eslint-plugin-next plugin along with Adding Linting rules to a React project is must when it comes to improving code quality, making code more consistent and avoiding bugs. Using VS Code as my Editor for JavaScript and TypeScript, having formatting rules from eslint-config-google applied automatically when saving a JavaScript/TypeScript document. 1. Master ESLint and Prettier to enhance your React development workflow, ensuring clean code and a flawless coding experience. js, which is used instead of searching for an eslint. ESLint is an npm package that helps to find and fix problems in projects. 4. ESLint - Contains the ESLint configuration used for projects maintained by the ESLint team. Plugins are simply objects that conform to a specific interface that ESLint recognizes. This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules. Please note that supporting JSX syntax is not the same as npm init @eslint/config When prompted, select these options for React 18 with TypeScript: How would you like to use ESLint? → To check syntax, find problems, and enforce code ESLint Flat config, compose easily! Optional React, Next. Usage If you are using ESLint 9 or later, you can easily extend the recommended configuration provided by this package. config. In this blog post, we will explore how to configure ESLint for TypeScript and React projects, covering fundamental concepts, usage methods, common practices, and best practices. 1. See also eslint-config-foxkit for our JavaScript/TypeScript base configs. This lets you use your favorite shareable config without letting its eslint-config-airbnb This package provides Airbnb's . Analyze ESLint Configuration You can observe that the React app by default comes with the React JavaScript tutorial showing IntelliSense, debugging, and code navigation support in the Visual Studio Code editor. hardcore/react-testing-library - additional config for React Testing Library hardcore/jest - additional config for Jest hardcore/fp - additional config for functional programming hardcore/ts-for-js - additional A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. There are two primary ways to configure ESLint: Configuration Comments - use JavaScript comments to embed configuration information directly into a file. In this 👋 Coming over from eslint/eslint#18093: ESLint is migrating to a new "flat config" format that will be the default in ESLint v9. There are 17155 other Discover how to configure ESLint and Prettier in React for cleaner code. eslintrc By integrating ESLint into your React projects, you can catch errors early, follow coding standards, and foster collaboration within your team. To use the recommended configuration, add the following to 下面介绍一些 ESLint 在 React 工程中的最佳实践。 配置 Prettier Prettier 是一个代码格式化工具，它可以自动化调整代码格式以符合统一风格。 ESLint 可以与 Prettier 在项目中一同使用。 First of all we need to install ESLint npm i eslint --save-dev Enter fullscreen mode Tagged with javascript, react, eslint. eslintrc 配置文件，如果你是 “怀旧派” 可以将你的环境变量 ESLINT_USE_FLAT_CONFIG 设为 false，但 In a React + TypeScript project, ESLint provides immediate feedback in your editor or during build time, catching issues like unused imports, When I first began utilizing React for my projects, I neglected to incorporate eslint or prettier into my development workflow. Katsiaryna (Kate) Lupachova Posted on Dec 6, 2021 How to create custom reusable ESLint, TypeScript, Prettier config for React apps # react # The AlloyTeam ESLint config is not only a progressive ESLint config for your React/Vue/TypeScript projects but also the best reference for configuring your personalized ESLint rules. Please refer to its documentation: Getting Started – I have come with a tutorial that covers the configuration of Eslint and Prettier in visual studio code for React js development. t No description provided socket. 1, last published: 4 years ago. For more information, see With the release of ESLint v9, many React developers are wondering how to upgrade or set up ESLint in their projects with the latest best ESLint in React is a JavaScript linting tool that is used for automatically detecting incorrect patterns found in ECMAScript/JavaScript code. Learn how to tailor ESLint for your React application with this detailed step-by-step guide, optimizing code quality and maintaining consistency in your ESLint is a crucial tool for React developers to maintain code quality and catch errors early. ESLint is a powerful tool that helps catch bugs, enforce code standards, and improve overall code quality. cjs file which I afterwards modify for my preferred formatters. 37. React specific linting rules for ESLint. Latest version: 7. Tagged with eslint, tutorial, webdev. Currently, two official plugins are available: @vitejs/plugin React + TypeScript + Vite This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules. env. You’ll see an eslint. Note this should come after any other extensions in order to ESLint is a popular, open source linter for JavaScript. The lints cover both fundamental React Patterns specified in files and ignores use minimatch syntax and are evaluated relative to the location of the eslint. js file with: This will configure ESLInt as part of the Webpack's build process with Learn how to use and configure ESLint in order to keep your JavaScript codebase clean and consistent. This package is The configuration migrator doesn’t yet work well for . To configure ESLint is a popular open-source JavaScript which automatically detects incorrect coding patterns found in your codebase. A Guide to setting up ESLint for React with Prettier, Pre-commit Hook and Visual Studio Code for better development with linting and code formatting that works with your editor. mjs file contents into the new config syntax Add ESLint to Webpack configs Update your webpack. This guide covers essential setups, best practices, and A Bit On ESLint Configuration In A React Project Like many JavaScript (JS) developers, I like to lint my code as I develop so I can prevent simple syntactical bugs and standardize code styling Maintaining a clean and consistent codebase is vital for any successful React project. prefer-reflect: Moving to ES6, this Let us now analyze the ESLint configurations. For web projects, you ESLint and Prettier configuration for any JavaScript project (React, TypeScript, Node. Text editor extensions are useful while coding, but ESLint can enforce norms accross developers As simple as flat configs can be — without re-inventing the classic nested config, Keeps your codebase clean while reducing friction 🧘, Focuses on catching bugs, not dictating your coding style 🐛, Minimal but Discover how to configure ESLint and Prettier within your React application in VSCode for enhanced code quality and consistency. Streamline your code quality and formatting This package contains opinionated base configs for React/Preact development with ESLint. Learn best practices, configurations, and tips to enhance code The react-ts Vite template includes ESLint pre-installed and pre-configured by default. * by starting from the directory of each linted file rather than the Eslint introduces a new way to configure the file configuration and it’s a bit different from the way we configured the eslint with prettier before. In this guide, we’ll walk through Copy package name compare this packagec md. 0, last published: 7 days ago. This plugin exposes A practical guide to setting up a modern TypeScript React project with automated code formatting and quality checks. Latest version: 1. Your configuration looks fine (although you probably don't need babel-eslint, unless you are using features that are lower than Advanced Configuration You can adjust various development and production settings by setting environment variables in your shell or with . If using an alternate config file via the --config command line option, then all ESLint is a tool for identifying and reporting on patterns found in ECMAScript/JavaScript code, with Tagged with react, eslint, prettier. js provides an ESLint configuration package, eslint-config-next, that makes it easy to catch common issues in your application. If you want to enforce a coding style for your project, Learn to integrate ESLint on both JavaScript and TypeScript based React Projects created with Create React App (CRA). js, Svelte, UnoCSS, Astro, Solid support Optional formatters support for formatting CSS, HTML, XML, etc. For more information, see Here’s a step-by-step method to add linting rules to React projects: Installing ESLint First, we need to install ESLint in our React project as a Trying to create a new React project with vite. Configure ESLint in Typescript enabled React projects ESLint is a good choice for those who would like to catch possible issues as fast as possible. 5, last published: a year ago. Now, I am trying to leverage the new ESLint Configuration File format for my React TypeScript project and am looking to convert the following eslintrc. Alloy - Progressive ESLint config for your React/Vue/TypeScript projects. This guide shows how to set up modern flat config, tailor rules 安装npm install eslint eslint-plugin-react --save-dev也可以全局而不是本地安装 ESLint（使用 npm install -g eslint）。但是，不建议这样做，无论哪种情况，你使用的任何插件或可共享配置都必须安装在本地 Modern: First-class support for TypeScript, React 19, and more. e. It also improves pull request review In order to lint JSX files configuration alone is not enough. js files. If you want to enforce a coding style for your project, consider using Prettier instead of This is because Create React App intentionally provides a minimal set of rules that find common mistakes. For more information, see With the release of ESLint v9, many React developers are wondering how to upgrade or set up ESLint in their projects with the latest best For SDK 52 and earlier, the default ESLint config file uses legacy config and does not support Flat config. js, React Native) Motivation Outside of work, I enjoy dabbling in a great many personal projects using a Git bash shows Warning: React version not specified in eslint-plugin-react settings. 1 package - Last release 0. ESLint configuration used by Create React App. Two indispensable tools that can help you achieve this goal are Prettier and ESLint. --inspect-config This option runs This guide will help configure ESLint (for code quality) and Prettier (for code formatting) in a React project to ensure consistency across the team. For a React project, ensure you 在日常开发中，每个开发者的代码规范是不一样的，但一个项目是由多人进行开发，这就会导致整个项目的代码是各种各样的，为了解决这一问题我们将ESLint引入到我们的实际项目上，来约束代码和降低 ESLint就是这样一个工具，它能够帮助开发人员规范代码风格、发现代码错误和潜在问题。 本文将介绍如何通过配置ESLint来优化React项目的质量和规范性。 为什么需要ESLint？ React项 The library for web and native user interfaces. eslint-config-react-app: This package contains the ESLint configuration used by Create React App, a widely adopted tool for setting up Eslint 为我们提供了 ECMAScript/JavaScript 规范的代码校验，我们可以根据个人/团队的代码风格进行配置，也可以使用开源的配置方案，本文会采用 eslint-config-airbnb 来配置。 Eslint 的 ESLint configuration used by Rocketseat. It doesn't look like eslint JavaScript Standard Style React/JSX support - ESLint Shareable Config. Once done, Set up a modern web app by running one command. 0-rc. Errors Explore how to tailor ESLint for your React application with this ultimate guide. dev npm Types ESM CJS License MIT Deps 2(-) View dependency graphInspect dependency tree Install Size 2 kB(24. Start using eslint-config-standard-react in your project by running `npm i Getting Started Quickstart This page is a quick-start for ESLint's new "flat" config format to go from zero to linting with our recommended rules on your TypeScript Configure Plugins ESLint supports the use of third-party plugins. You A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. js file. 0. js file in the project root Learn to configure ESLint in your React app for cleaner, more maintainable code. The following rules require type information: The project or projectService options in This guide shows how to set up modern flat config, tailor rules for React, Vue, and TypeScript, pick plugins that prevent real bugs, and automate Config format: The latest convention is to use eslint. js projects, utilizing Flow, TypeScript, Prettier and Jest with sensible defaults. 1 with MIT licence at our NPM packages aggregator and search engine. It includes the @next/eslint-plugin-next plugin along with Join Samer Buna for an in-depth discussion in this video, Configuring ESLint, part of React Native Essential Training. 0, last published: 9 months ago. If you don't need React, see eslint-config-airbnb-base. To address: If your configuration for this rule 这样，每当你保存文件时，ESLint 就会自动运行，并尝试修复一些简单的错误和警告。 总结 使用 eslint-config-react-app 可以帮助我们快速地配置并使用 ESLint，保证项目中的代码风格一致 Getting started with a linter using Create React App, and how to configure it to meet your project needs. I usually setup ESLint via the npx eslint --init and then get an . Start using eslint-plugin-react in your project by running `npm i eslint-plugin React-specific linting rules for ESLint. To set up ESLint in your Expo project, ESLint React uses your Project Config for static analysis. The configuration involves installing A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. To enable those, see the eslint-config-airbnb/hooks section. Check out the TS template for information on how to A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. 24 and I was using . npx: npx create-react-app app-name npm: npm init react-app app-name yarn: yarn create react-app app-name This should give us a new empty project that we’ll eslint-config-react-app This package includes the shareable ESLint configuration used by Create React App. To get started, you need to install ESLint and its plugins. When setting up a new project, especially the one that will be worked on by many people (team), code Tagged with eslint, prettier, husky, react. Usage We export three ESLint configurations for your usage. Unfortunately, A set of opinionated ESLint rules (all rules included) tailored for React projects. mjs file is a new configuration format introduced in ESLint v8, which allows you to define your ESLint configuration using 4-7x faster, composable ESLint rules for React and friends. The react-scripts package includes the eslint-config-react-app package, which you don't get by installing ESLint separately. Here's a quick guide to set it up: Install ESLint and React Next. Install ESLint with the recommended configuration for React (be sure you have Node installed!) Here we added eslint for code-quality rules and we will follow the Airbnb js / react standard for that. Additionally, If you’re working on a Typescript + React project, setting up ESLint + Prettier can help you catch errors early and enforce coding This configuration is built from the foundation that AirBnb’s ESLint config provides but additionally includes rules for React Native, TypeScript, With Create React App (CRA), custom configuration is always a hassle (by design). In this post, we will look at ESLint integration on both JavaScript and The eslint. js file but after updating to eslint v9. 7 Features ESLint 9+ Flat Config TypeScript support with type-aware rules React / React Native / Next. Currently, two official plugins are available: @vitejs/plugin-react uses Babel Expanding the ESLint configuration If you are developing a production application, we recommend using TypeScript with type-aware lint rules enabled. In this post, we will see how to integrate ESLint in your React project and some common stuff related to configuration. Using ESLint for React projects can help catch some common mistakes, code-smells, and define common conventions for a codebase. prettier - Simply put, it beautifies the source code. Learn how to configure ESLint and Prettier, set up VS Code for Adding ESLint to a React application helps ensure your code follows consistent style guidelines and catches common coding errors. React-specific linting rules for ESLint. ESLint isn’t just a linter—it’s a scalable policy engine for code quality and architecture. Sharing here in case it helps others: Config format: The latest convention is to An example of a working config of the new ESLint format for a project with React and Typescript. Also, we added prettier which will format your A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Some developers also use Airbnb‘s React config, but find a subset of rules too restrictive A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. See https://github. Initialize ESLint: npx eslint --init This will prompt you with a series of questions to generate the eslint. Configuring ESLint with Webpack and React ESLint is bumper lanes for your project. js, the migration results in a config file that matches the evaluated Redirecting Redirecting Due to a lack of tutorials about setting up ESLint with Vite and React, especially including React Tagged with webdev, tutorial, vite, react. Prettier ensures Next. You do this with the eslint-config-prettier extension. Many online examples (including those generated by ChatGPT) still use the older format, which can cause confusion. With the configuration file tailored to your In previous versions of ESLint, with this configuration only import { View } from "react-native" would be reported. ESLint is the industry standard JavaScript linter that catches errors, enforces coding standards, and integrates seamlessly with React projects. Here’s a step-by-step guide to add ESLint to your React application. Note: You do Subsequently, it would generate the corresponding eslint. Configure Airbnb standards, Prettier, auto-formatting, and debugging for React ESlint is an open-source library that's commonly used by React developers to enforce rules about maintaining the code standard across the project. npm install --save-dev eslint-config-react babel-eslint eslint-plugin-react Create a file named . Yes, ESLint natively supports parsing JSX syntax (this must be enabled in configuration). Once you've correctly configured the project for the files to be linted, ESLint React utilizes the information from the TypeScript compiler to provide better linting results. I have recently updated my eslint version in create-react-app project. Debugging VS Code comes with great Set up a modern web app by running one command. This plugin helps you catch violations of React’s rules at build time, ensuring your components and hooks follow React’s rules for correctness and performance. eslintrc. eslint-config Table of Content 📌 Introduction 📌 Why this configuration 🤔? 📌 Configuration 🛠 👉 Tagged with webdev, javascript, react, typescript. Contribute to facebook/react development by creating an account on GitHub. eslintrc in your project: prefer-spread: Moving to ES6, this should be default. If ESLint is not able to find the react-app config, there are likely conflicting or duplicate ESLint config dependencies that were installed outside of react-scripts (i. This will enable the (optional) recommended default ESLint rules for normal JavaScript, plus the React specific rules from this config. js ESLint rules (@next/eslint-plugin-next) Import sorting with simple-import-sort Per the eslint documentation, unary increment and decrement statements are subject to automatic semicolon insertion and can cause silent errors with @callstack/eslint-config Callstack ESLint config for React Native, React and Node. How to add prettier config into eslint config? Asked 3 years, 10 months ago Modified 2 years, 8 months ago Viewed 5k times Check @bit-ocean/eslint-config 0. com/jsx-eslint/eslint-plugin-react#configuration . You can add or customize rules ESLint in React is a JavaScript linting tool that is used for automatically detecting incorrect patterns found in ECMAScript/JavaScript code. Step 3: Installing ESLint Plugins for React Now that we’ve got a basic ESLint configuration set up, it’s time to tailor it specifically for React. 7, last published: 9 years ago. Existing JavaScript validation tools such as ESLint can be used alongside built-in type checking functionality. Maintain your code quality with ease. How to add prettier config into eslint config? Asked 3 years, 10 months ago Modified 2 years, 8 months ago Viewed 5k times Using VS Code as my Editor for JavaScript and TypeScript, having formatting rules from eslint-config-google applied automatically when saving a JavaScript/TypeScript document. eslintrc as an extensible shared config. 0 I started getting er You would also want to turn off eslint rules that may conflct with prettier. The new config file: eslint. Contribute to Rocketseat/eslint-config-rocketseat development by creating an account on GitHub. js 安装 vite-plugin-eslint Setting up ESLint with eslint. standard-engine - cli engine for arbitrary eslint rules eslint-config-standard - eslint rules for standard eslint-config-standard-jsx - eslint rules for standard (JSX) eslint - the linter that powers standard Configure ESLint, Prettier, and Flow in VS Code for React Development This short guide will provide you a consistent and reusable A minimal set of easy to install ESLint rules for your project: just install a single NPM package, add it to your . Alternatively if you're running ESLint locally, we run npm install eslint-plugin-react --save-dev. ESLint plugin to display errors found by the React compiler. Check @xgheaven/eslint-config-xgheaven 0. To do ESLint Configuration Setup Before diving into the ESLint plugins and rules, let’s set up the configuration for ESLint in a React project. Start using eslint-plugin-react-compiler in eslint-config-prettier Turns off all rules that are unnecessary or might conflict with Prettier. You want to setup ESLint in your React application? Your project is set up with Babel and Webpack? This tutorial will guide you through the ESLint in React setup Step 5 : - Now, add esling plugins to make it work with react, and make proper configuration for eslint and prettier so that they don't collide with Learn how to set up ESLint and Prettier for your TypeScript React projects with this ultimate guide. eslint. In this comprehensive guide, you’ll learn how to set up ESLint from scratch JavaScript Standard Style React/JSX support - ESLint Shareable Config. Until Facebook (because this plugin is part of the react-core github repo) updates to use the new eslint flat configuration file, the code you're currently using is probably your best bet. 1 相关的配置设置根据实际情况选择即可 配置完成后项目中多一个文件 eslint. Please note that supporting JSX syntax is not the same as Anthony's ESLint config preset.
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