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eslint

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eslint

An AST-based pattern checker for JavaScript.


Version published
Weekly downloads
42M
increased by0.16%
Maintainers
4
Weekly downloads
 
Created

What is eslint?

ESLint is a static code analysis tool for identifying problematic patterns found in JavaScript code. It is primarily used for finding and fixing problems in JavaScript code, enforcing coding standards, and improving code quality.

What are eslint's main functionalities?

Linting JavaScript Files

Run ESLint on all JavaScript files in the 'src' directory and its subdirectories.

eslint 'src/**/*.js'

Fixing Problems Automatically

Automatically fix problems in JavaScript files that ESLint is capable of fixing.

eslint --fix 'src/**/*.js'

Customizable Configuration

Customize ESLint rules and extend from recommended presets in the ESLint configuration file.

{ 'extends': 'eslint:recommended', 'rules': { 'eqeqeq': 'warn', 'no-unused-vars': 'error' } }

Integrating with Build Tools

Integrate ESLint with build tools like Grunt by using the corresponding plugin.

grunt.loadNpmTasks('grunt-eslint');

Using Plugins

Extend ESLint's capabilities with plugins for specific libraries or frameworks, such as React.

{ 'plugins': ['react'], 'rules': { 'react/jsx-uses-vars': 'error' } }

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Package last updated on 23 Feb 2024

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