A linter is a tool used in software development to analyze source code for potential errors, stylistic issues, and adherence to coding standards. It essentially acts as a static code analyzer, examining the code without actually executing it. Linters help developers catch issues early in the development cycle, improving code quality and maintainability
Linters are useful tools for maintaining code quality and consistency in your JavaScript applications. They analyze code for potential issues, enforce coding standards, and help catch errors before they are pushed into production. Linters are not necessarily a quick fix, can be a distraction, and it’s not inconceivable that they may not be helpful with old, large code bases.
This article picks some useful tools to help you fix JavaScript code.
Here’s our verdict captured in a legendary LinuxLinks-style ratings chart. Only free and open source software is eligible for inclusion here.
Click the links in the table below to learn more about each tool.
| JavaScript Linter Tools | |
|---|---|
| ESLint | Find and fix problems in JavaScript code |
| Biome | Toolchain for web projects |
| standard | JavaScript style guide, linter, and formatter |
| Flow | Static type checker |
| OXCc | Tools for JavaScript and TypeScript |
| XO | Configurable ESLint wrapper |
| JSHint | Static code analysis tool |
| Sherif | Checks monorepo dependency consistency |
| RSLint | Easy to use JavaScript and TypeScript linter |
| JSLint | JavaScript code quality and coverage tool |
| neostandard | Successor to the standardjs javascript style guide |
| deno_lint | Rust crate for building fast JavaScript and TypeScript linters |
| quick-lint-js | Finds bugs in JavaScript programs |
| Putout | JavaScript linter, pluggable and configurable code transformer |
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