The most mature linting ecosystem
The most mature and comprehensive linting solution. Combines ESLint for JavaScript/TypeScript, Prettier for formatting, and Stylelint for CSS with 20+ plugins and hundreds of preconfigured rules.
Configuration
Simple configuration files which extend the Ultracite configuration, giving you control over each aspect of linting and formatting.
Each config file is designed to be minimal while providing maximum coverage through Ultracite presets.
import { defineConfig } from "eslint/config";import core from "ultracite/eslint/core";import react from "ultracite/eslint/react";import next from "ultracite/eslint/next";export default defineConfig([ { extends: [ core, react, next ], },]);Why choose ESLint?
The most mature and comprehensive linting solution. Combines ESLint for JavaScript/TypeScript, Prettier for formatting, and Stylelint for CSS with 20+ plugins and hundreds of preconfigured rules.
Battle-tested
Used by millions of developers worldwide. The largest ecosystem of plugins and configurations available.
20+ plugins included
React, TypeScript, JSX A11y, Import, Promise, Node, Next.js, Unicorn, SonarJS, and more preconfigured.
Three tools in one
ESLint handles code quality, Prettier ensures consistent formatting, and Stylelint keeps your CSS clean.
Framework-aware
First-class support for React, Next.js, Vue, Svelte, and more with framework-specific rules.
Type-aware linting
Deep TypeScript integration with type-aware rules that catch bugs static analysis alone can't find.
Maximum coverage
Hundreds of rules covering accessibility, security, performance, and best practices out of the box.
Trusted by top companies
And used by thousands of open source projects.
What the community is saying
Here's what some of the most innovative and forward-thinking developers in the React ecosystem have to say about Ultracite.
