JSPM

An AST-based pattern checker for JavaScript.

AST utility module for statically analyzing JSX

Lint files staged by git

Minify URLs by converting them from absolute to relative.

ESLint plugin to follow best practices and anticipate common mistakes when writing tests with Testing Library

A mighty CSS linter that helps you avoid errors and enforce conventions.

A collection of SCSS-specific rules for Stylelint

More than 100 powerful ESLint rules

Find and fix unused dependencies, exports and files in your TypeScript and JavaScript projects

A ESLint plugin for webpack

Biome is a toolchain for the web: formatter, linter and more

JavaScript Standard Style - ESLint Shareable Config

A collection of order related linting rules for Stylelint.

Default linter plugin for oas-validator

Convert Swagger 2.0 definitions to OpenApi 3.0 and validate

Validate JSON

A Node.js style checker and lint tool for Markdown/CommonMark files.

A library of useful functions used across various cspell tools.

JavaScript Standard Style JSX support - ESLint Shareable Config

ESLint plugin for JSON, JSONC and JSON5 files.

Turns off all rules that are unnecessary or might conflict with Prettier.

A Spelling Checker for Code!

Wrap your standards in a tortilla and cover it in special sauce.

This ESLint plugin provides linting rules for YAML.

An ESLint plugin to lint JavaScript in Markdown code fences.

Lint browser compatibility of API used

JavaScript Standard Style

Pretty ESLint formatter

Linting for Angular applications, following angular.io/styleguide.

Lint CSS for browser support against caniuse database

ESLint shareable config for XO

ESLint shareable config for the Google style

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

Do you wanna use tslint and prettier without conflicts? tslint-config-prettier disables all conflicting rules that may cause such problems. Prettier takes care of formatting and tslint the rest.

Sharable stylelint config based on https://sass-guidelin.es/

The official ESLint language plugin for Markdown

This plugin makes 'no-unused-expressions' rule friendly towards chai expect statements.

ESLint rule to disallow unsanitized code

unified plugin to make it a bit easier to create linting rules

A collection of stylistic/formatting Stylelint rules

Lint packaging errors

A stylelint processor for styled-components

A fast, flexible, configuration-based command-line interface for linting Markdown/CommonMark files with the `markdownlint` library

ESLint shareable config for TypeScript to be used with eslint-config-xo

A simple, zero dependency tool for setting up git hooks for small projects

ESLint rules for RxJS

A simple (CLI) tool to lint YAML files

Lint an npm or yarn lockfile to analyze and detect issues

A Stylelint plugin for webpack

Static scope analysis and transpilation of ES6 block scoped const and let variables, to ES3.

This ESLint plugin provides linting rules for TOML.

Validate JSON

A CLI to lint a lockfile for security policies

Dynamic accessibility analysis for React using axe-core

remark plugin to lint Markdown code style

remark-lint rule to warn when the markers of ordered lists violate a given style

Offline HTML5 validator and linter

Improve your TSLint with the missing ESLint Rules

Configurable linter for package.json files.

Turns off all SCSS rules that are unnecessary or might conflict with Prettier.

An opinionated Stylelint config used by Bootstrap across our projects.

remark-lint rule to warn when block quotes have blank lines without markers

remark-lint rule to warn when too many spaces are used to create a hard break

remark-lint rule to warn when code blocks do not adhere to a given style

remark-lint rule to check the spacing between list item bullets and content

Linter for Ember or Handlebars templates.

remark-lint rule to warn when list item bullets are indented

Specify properties for which a variable, function, keyword or value must be used

remark-lint rule to warn when references to undefined definitions are found

A gulp plugin for processing files with ESLint

remark-lint rule to warn on duplicate definitions

remark-lint rule to warn when URLs without angle brackets are used

remark-lint rule to warn when shortcut reference images are used

remark-lint rule to warn when shortcut reference links are used

remark-lint rule to warn when definitions are not placed at the end of the file

remark-lint rule to warn when a newline at the end of a file is missing

remark-lint rule to warn when horizontal rules violate a given style

A BEM linter for postcss

remark-lint rule to warn when tables are indented

remark-lint rule to check whitespace after block quote markers

remark-lint rule to warn when the content of a list item has mixed indentation

remark-lint rule to warn when heading content is indented

remark-lint rule to warn when unused definitions are found

remark-lint rule to warn when fenced code markers violate the given style

A TypeScript ESLint config that loves you

Provides the Nu Html Checker «vnu.jar» file

Disallow property values that are ignored due to another property value in the same rule.

remark-lint rule to warn when link and definition titles occur with incorrect quotes

remark-lint rule to warn when table cells are incorrectly padded

Default stylelint configuration used by Prestashop

The Static Code Analysis Tool for your HTML

JavaScript Standard Style React/JSX support - ESLint Shareable Config

ESLint’s official `codeframe` formatter, extracted from ESLint 7

remark-lint rule to warn when importance (strong) markers violate the given style

remark-lint rule to warn when heading style violates the given style

remark-lint rule to warn when table rows are not fenced with pipes

Validate files with ESLint

remark-lint rule to warn when emphasis markers violate the given style

remark-lint rule to warn when multiple top level headings are used

A JSON fixer

JavaScript Semistandard Style - ESLint Shareable Config

remark-lint rule to warn when markers of unordered lists violate a given style

remark-lint rule to warn when shell code is prefixed by dollars

remark-lint rule to warn when file names contain irregular characters

remark-lint rule to warn when file name start with an article

remark-lint rule to check the marker value of ordered lists

remark-lint rule to warn when file names contain consecutive dashes

remark-lint rule to warn for too many consecutive blank lines

remark-lint rule to warn when headings increment with more than 1 level at a time

Additional rules to enforce constistent code style with tslint

remark-lint rule to warn when headings end in illegal characters

remark-lint rule to warn when emphasis or importance is used instead of a heading

An eslint rule that checks the top of files and --fix them too!

Tools to validate package.json files.

ESLint shareable config for XO with 2-space indent

ESLint rules using Regular Expression

remark-lint rule to warn when lines are too long

An eslint rule that searches for potential secrets/keys in code

remark-lint rule to warn when the file’s extension violates the given style

remark-lint rule to warn when headings are too long

remark-lint rule to warn when consecutive whitespace is used in a definition

All Node Sass linter!

remark-lint rule to warn when file names contain initial or final dashes

remark-lint rule to check list item checkbox characters

remark-lint rule to warn when fenced code blocks occur without language flag

Validate JSON

remark-lint rule to warn when table pipes are not aligned

Stylish reporter for JSHint

remark-lint rule to warn when definition labels are not lowercase

remark-lint rule to warn when file names use mixed case

An ESLint plugin that enforces the use of import aliases. Also supports autofixing.

ESLint’s official `junit` formatter, unofficially published as a standalone module

remark-lint rule to warn when list looseness is incorrect

ESLint plugin for enforcing newlines in ES6 import statements past a certain number of items

remark-lint rule to warn on duplicate headings

Minimal ESLint formatter (reporter) that displays only one summary line.

The pluggable linting tool for natural language.

The stylistic shareable config for Stylelint.

ESLint’s official `compact` formatter, unofficially published as a standalone module

ESLint rules for RxJS and Angular

Eslint config used in atom-ide-community

remark-lint rule to warn when too much whitespace follows list item checkboxes

ESLint plugin for HTML

textlint output formatter for fixer

The JavaScript Code Quality Tool

More general-purpose ESLint rules

Monorepo utility tools

Enforce consistent and maintainable TODO comments

remark-lint rule to warn when headings are indented

ESLint shareable config for React to be used with eslint-config-xo

remark-lint rule to warn when hard tabs are used instead of spaces

remark-lint rule to warn on empty URLs in links and images

remark-lint rule to check that full reference images can be collapsed

remark-lint rule to warn when URLs are also defined identifiers

remark-lint rule to for too many hashes (h7+ “headings”)

Eslint rules for nestjs projects

TypeScript Standard Style based on StandardJS

remark-lint rule to warn when the content in paragraphs are indented

JSON/CJSON/JSON5 parser, syntax and schema validator and pretty-printer.

A ESLint plugin for rspack

remark-lint rule to warn when linebreaks violate a given or detected style

Common eslint rules/preferences for Ionic.

remark-lint rule to warn on duplicate headings in a section

A Prettier shareable config for projects using 'Prettier' and 'JavaScript Standard Style' as ESLint rules or separate processes.

GitLab Stylelint base configuration

Simple Checkstyle data formatter

remark-lint rule to check that full reference links can be collapsed

ESLint’s official `table` formatter, extracted from ESLint 7

Speed up eslint to accelerate your development workflow

Validate Markdown frontmatter YAML against an associated JSON schema — remark-lint rule plugin

An OpenAPI v3.0 development workflow assistant

A tool to verify that your files are in harmony with your .editorconfig

A Stylelint plugin to enforce the use of logical CSS properties, values and units.

Efficient Git Commit Message Linting and Formatting

Tiny tool to run commands for modified, staged, and committed git files.

TypeScript linter Gulp plugin

(FORK) An AST-based pattern checker for JavaScript, now supporting parallelism.

Be scalable! Update is a new, open source developer framework and CLI for automating updates of any kind in code projects.

All the goodness of `feross/standard` with semicolons sprinkled on top.

Disables ESLint rules that have a recommended and equivalent Biome rule

Keep a watchful eye on your css colors

A pretty Stylelint formatter.

Create a sub-traversal of an AST node in your ESLint plugin

code > prettier > stylelint > formatted code

ESlint plugin to define custom module dependency rules.

Verifies that installed modules comply with the requirements specified in package.json

ESLint’s official `stylish` formatter, unofficially published as a standalone module

broccoli filter that runs eslint

Validate JSON

ESLint plugin containing hapi style guide rules and config

TSLint rule for RxJS

Converts your TSLint configuration to the closest reasonable ESLint equivalent.

Lint your CoffeeScript

Utility to create ESLint config files.

remark-lint rule to warn when the first heading has a level other than a specified value

ESLint’s official `unix` formatter, unofficially published as a standalone module

Lint, format and auto-fix your Groovy / Jenkinsfile / Gradle files

Stylelint plugin for Stylus

Default npm-package-json-lint shareable config

Stylelint rule for preventing the use of low performance animation and transition properties.

ESLint’s official `checkstyle` formatter, unofficially published as a standalone module

Gulp plugin for Sass Lint

ESLint and Prettier Config from Wes Bos

Use eslint in the browser

Verify entry point and all imported files with ESLint


ESLint’s official `json` formatter, unofficially published as a standalone module

Operate on AST for 🐊 Putout

An unopinionated and configurable linter and style checker for Pug (formerly Jade)

Eslint config following open-wc recommendations

The linting tool for the web

🐊 Pluggable and configurable code transformer with built-in ESLint, Babel and support of js, jsx, typescript, flow, markdown, yaml and json

webhint's recommended hints configuration for live websites

AST utility module for statically analyzing JSX

Run linters on committed files in a Branch🔬

A lint plugin for ESDoc

Eslint plugin for enforcing newlines in object destructuring assignment past a certain number of properties.

Contributed markdownlint rule for limiting sentences per line. 📐

Detailed HTML reporter for ESLINT.

My custom eslint rules in addition to the ones provided at http://eslint.org/

ESLint’s official `visualstudio` formatter, unofficially published as a standalone module

An unofficial html5 linter.

Eslint plugin for markdownlint

custom ESLint rule to disallows calling postMessage to wildcard targets

Rome is a toolchain for the web: formatter, linter and more

Formats GraphQL schema definition language (SDL) document.

A gulp plugin to lint code with ESLint 8 and 9.

A linter for stylus

Run elm-review from Node.js

Lint CSS for email support against caniemail database.

Check that all files match prettier code style.

Provides prebuilt binaries for SwiftLint as a npm package

ESLint plugin that contains ScanJS rules

ESLint plugin with rules for using the `sql` template tag on raw SQL queries

remark-lint rule to warn when missing blank lines

Various utilities for token types

Noir ESLint shareable config

ISML Linter is a tool for examining if your project's templates follow a specified set of rules defined by your dev team. The available rules can be roughly grouped into:

Lint your CoffeeScript

remark-lint rule to warn when URLs are dead

remark-lint rule to warn when HTML nodes are used

ESLint & Prettier config for Serveless projects

TSLint rules for RxJS

Verify entry point and all imported files with ESLint

An ESLint shareable config for projects using 'Prettier' and 'JavaScript Standard Style' as ESLint rules.

ESLint v9+ plugin for RxJS

Lint CSS files

A markdownlint rule that allows only extended ASCII characters

Extension rules for tslint

Linter for SVGs