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.

More than 100 powerful ESLint rules

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

A collection of SCSS-specific rules for Stylelint

A ESLint plugin for webpack

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

JavaScript Standard Style - ESLint Shareable Config

Default linter plugin for oas-validator

A collection of order related linting rules for Stylelint.

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.

A Spelling Checker for Code!

ESLint plugin for JSON, JSONC and JSON5 files.

This ESLint plugin provides linting rules for YAML.

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

JavaScript Standard Style JSX support - ESLint Shareable Config

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

Lint browser compatibility of API used

The official ESLint language plugin for Markdown

Pretty formatter for ESLint

JavaScript Standard Style

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

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.

ESLint shareable config for XO

Lint CSS for browser support against caniuse database

JavaScript/TypeScript linter (ESLint wrapper) with great defaults

ESLint shareable config for the Google style

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

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

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

This ESLint plugin provides linting rules for TOML.

ESLint rule to disallow unsanitized code

A collection of stylistic/formatting Stylelint rules

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

AST utility module for statically analyzing JSX

Lint an npm or yarn lockfile to analyze and detect issues

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

Lint packaging errors

A stylelint processor for styled-components

remark plugin to lint Markdown code style

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

ESLint rules for RxJS

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

Configurable linter for package.json files.

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

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

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

A CLI to lint a lockfile for security policies

Dynamic accessibility analysis for React using axe-core

A simple (CLI) tool to lint YAML files

A Stylelint plugin for webpack

Improve your TSLint with the missing ESLint Rules

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

Offline HTML5 validator and linter

remark-lint rule to warn on duplicate definitions

Validate JSON

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

An opinionated Stylelint config used by Bootstrap across our projects.

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

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

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

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

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

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

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

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

remark-lint rule to warn when unused definitions are found

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

Linter for Ember or Handlebars templates.

Efficient Git Commit Message Linting and Formatting

remark-lint rule to warn when tables are indented

remark-lint rule to warn when heading content is indented

Various utilities for token types

A BEM linter for postcss

remark-lint rule to check whitespace after block quote markers

A gulp plugin for processing files with ESLint

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

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

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

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

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

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 multiple top level headings are used

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

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

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

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

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

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

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

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

Parser/validator for the Design Tokens Community Group (DTCG) standard.

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

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

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

Validate files with ESLint

A TypeScript ESLint config that loves you

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

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

A JSON fixer

Tools to validate package.json files.

Default stylelint configuration used by Prestashop

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

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

The Static Code Analysis Tool for your HTML

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

remark-lint rule to warn when lines are too long

JavaScript Semistandard Style - ESLint Shareable Config

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

remark-lint rule to warn when headings are too long

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

ESLint rules using Regular Expression

JavaScript Standard Style React/JSX support - ESLint Shareable Config

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

Provides the Nu Html Checker «vnu.jar» file

Additional rules to enforce constistent code style with tslint

remark-lint rule to warn on duplicate headings

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

remark-lint rule to check list item checkbox characters

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

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

ESLint plugin for HTML

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

Stylish reporter for JSHint

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

ESLint shareable config for XO with 2-space indent

remark-lint rule to warn when list looseness is incorrect

All Node Sass linter!

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

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

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

The pluggable linting tool for natural language.

remark-lint rule to warn when headings are indented

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

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

Validate JSON

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

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

A ESLint plugin for rspack

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

The stylistic shareable config for Stylelint.

ESLint rules for RxJS and Angular

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

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

textlint output formatter for fixer

The JavaScript Code Quality Tool

More general-purpose ESLint rules

Eslint rules for nestjs projects

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

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

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

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

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

Monorepo utility tools

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

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

Common eslint rules/preferences for Ionic.

Enforce consistent and maintainable TODO comments

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

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

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

Keep a watchful eye on your css colors

Speed up eslint to accelerate your development workflow

TypeScript Standard Style based on StandardJS

TypeScript linter Gulp plugin

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

A pretty Stylelint formatter.

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

Simple Checkstyle data formatter

Formats GraphQL schema definition language (SDL) document.

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

An OpenAPI v3.0 development workflow assistant

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

Validate JSON

broccoli filter that runs eslint

Disables ESLint rules that have a recommended and equivalent Biome rule

Lint your CoffeeScript

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

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

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

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

ESLint plugin containing hapi style guide rules and config

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

ESlint plugin to define custom module dependency rules.

TSLint rule for RxJS

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

ESLint and Prettier Config from Wes Bos

Operate on AST for 🐊 Putout

Use eslint in the browser

code > prettier > stylelint > formatted code

Utility to create ESLint config files.

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

ESLint v9+ plugin for RxJS

Stylelint plugin for Stylus


GitLab Stylelint base configuration

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

Default npm-package-json-lint shareable config

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

A lint plugin for ESDoc

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

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

Verify entry point and all imported files with ESLint

The linting tool for the web

Eslint config following open-wc recommendations

webhint's recommended hints configuration for live websites

Gulp plugin for Sass Lint

Converts your TSLint configuration to the closest reasonable ESLint equivalent.

Eslint plugin for markdownlint

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

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

The type tracer for ESLint rules.

remark-lint rule to warn when missing blank lines

Contributed markdownlint rule for limiting sentences per line. 📐

An unofficial html5 linter.

Eslint config used in atom-ide-community

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

ESLint & Prettier config for Serveless projects

Check that all files match prettier code style.

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

custom ESLint rule to disallows calling postMessage to wildcard targets

Run linters on committed files in a Branch🔬

Lint CSS for email support against caniemail database.

ESLint v9+ rules for RxJS and Angular

Detailed HTML reporter for ESLINT.

Linter for SVGs

Extract Gatsby's generated graphql schema to a file

remark-lint rule to warn when HTML nodes are used

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

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

Local runner for MegaLinter

TSLint rules for RxJS

A linter for Dockerfiles to find bugs and encourage best practices

Run elm-review from Node.js

ESLint plugin that contains ScanJS rules

CKEditor 5 ESLint preset.

Verify entry point and all imported files with ESLint

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

Lint CSS files

Shim to run lint-staged with ng-lint

More than 100 powerful ESLint rules

A custom markdownlint rule for search and replaces