JSPM

A parser that converts TypeScript source code into an ESTree compatible form

ECMAScript parsing infrastructure for multipurpose analysis

An Esprima-compatible JavaScript parser built on Acorn

An ESLint custom parser which leverages TypeScript ESTree

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

Regular expression parser for ECMAScript.

Esprima-compatible implementation of the Mozilla JS Parser API

regexpu’s core functionality (i.e. `rewritePattern(pattern, flag)`), capable of translating ES6 Unicode regular expressions to ES5.

mdast utility to parse markdown

parse, inspect, transform, and serialize content through syntax trees

Tooling which enables you to use TypeScript with ESLint

Regular expression parser for ECMAScript.

mdast utility to serialize markdown

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

remark plugin to add support for parsing markdown input

Syntax highlighting with language autodetection.

Nest rules inside each other in CSS

Use the rebeccapurple color keyword in CSS

Low footprint ECMAScript source code parser

Use double-position gradients in CSS

Use space and slash separated color notation in CSS

Use lab() and lch() color functions in CSS

Use oklab() and oklch() color functions in CSS

remark plugin to add support for serializing markdown

Use hwb() color functions in CSS

An overlay for displaying stack frames.

Syntax highlighting in your terminal

Use the color() function in CSS

Takes JavaScript code, along with a config and returns the original code with tokens wrapped as configured.

evaluate statically-analyzable expressions

A small JS+SVG library for drawing railroad syntax diagrams.

Lightweight, robust, elegant virtual syntax highlighting using Prism

Syntax highlights JavaScript code with ANSI colors to be printed to the terminal.

Virtual syntax highlighting for virtual DOMs and non-HTML things

Chevrotain is a high performance fault tolerant javascript parsing DSL for building recursive decent parsers

syntax highlighting component for react with prismjs or highlightjs ast using inline styles

unist utility to create a new trees with a nice syntax

markdown processor powered by plugins part of the unified collective

Indent-based CSS syntax for PostCSS

PostCSS syntax for parsing HTML (and HTML-like)

Use the color-mix function in CSS

rehype plugin to serialize HTML

Use interpolation methods in CSS gradient functions

A simple and lightweight library for highlighting SQL queries written in pure JavaScript

rehype plugin to parse HTML

recma plugin to add support for parsing and serializing JSX

Automatically switch PostCSS syntax by file extensions

recma plugin to add support for parsing and serializing JSX

recma plugin to serialize JavaScript

recma plugin to transform HTML (hast) to JS (estree)

recma plugin to parse JavaScript

HTML processor powered by plugins part of the unified collective

detect and report syntax errors in source code strings

transform the ast on a recursive walk

CodeMirror component for React.

Provides a fast, pretty robust e-mail validator. Only checks form, not function.

retext plugin to serialize prose

retext plugin to parse Latin-script prose

natural language processor powered by plugins part of the unified collective

Highlight ECMAScript syntax for the console or any other medium.

convert module usage to inline expressions

Parse a XML string into a proprietary syntax tree

Themes for CodeMirror.

Mix any number of colors with the color-mix function in CSS

Provides StructuredSource and functionality for converting range and loc vice versa.

ECMAScript parsing infrastructure for multipurpose analysis

Infer the scope of each token in an array of GLSL tokens

Determine the scope depth of an array of GLSL tokens

Take an array of GLSL tokens and determine which tokens are either assignments or variable declarations.

rehype plugin to highlight code blocks with lowlight (highlight.js)

Use next generation JavaScript, today

PostCSS syntax for parsing Markdown

PostCSS syntax for parsing CSS in JS literals

a tiny react codemirror component wrapper

A temporary custom copy of https://github.com/csstree/csstree

A simple AST visitor-based JS transformer

A source code transpiler that enables the use of ES2015 Unicode regular expressions in ES5.

Super-thin React wrapper for refractor (Syntax highlighting using VDOM)

Source transformer enabling ECMAScript 6 generator functions (yield) in JavaScript-of-today (ES5)

Code highlight with Mantine theme

PrismaJS syntax highlighting for the terminal

Theme github for CodeMirror.

Converts JavaScript objects to equivalent ASTs

PostCSS parser plugin for converting Stylus syntax to PostCSS AST.

retext plugin to parse English prose

Modular Syntax highlighting for the web

ANSI syntax highlighting for the terminal

Theme vscode for CodeMirror.

Theme material for CodeMirror.

Safely evaluate JavaScript (estree) expressions, sync and async.

Walks a JavaScript AST and adds a "parent" property to each node

A tool set for CSS: fast detailed parser (CSS → AST), walker (AST traversal), generator (AST → CSS) and lexer (validation and matching) based on specs and browser implementations

ESLint rules using Regular Expression

Use next generation JavaScript, today

Add context awareness to your apps and frameworks by safely evaluating user-defined conditional expressions. Useful for evaluating expressions in config files, prompts, key bindings, completions, templates, and many other user cases.

Recursively walk and transform EcmaScript AST

Theme tokyo-night for CodeMirror.

Instant code highlighting, auto-detect language, super easy to use.

Theme dracula for CodeMirror.

Parse a Dockerfile into an array of instructions and comments.

Support for using highlight.js to syntax highlight cURL commands.

Theme sublime for CodeMirror.

Theme basic for CodeMirror.

Check the validity of the format of an EU VAT number

Central methods and themes for code highlighting in Scalar projects

Theme xcode for CodeMirror.

React component for syntax highlighting

Theme copilot for CodeMirror.

Svelte language extension for prismjs

Theme monokai-dimmed for CodeMirror.

Theme okaidia for CodeMirror.

rehype plugin to use browser APIs to parse HTML

a json to html syntax highlighter

Theme abyss for CodeMirror.

Theme tomorrow-night-blue for CodeMirror.

Theme atomone for CodeMirror.

Theme eclipse for CodeMirror.

Theme nord for CodeMirror.

Theme androidstudio for CodeMirror.

Monaco editor Monarch language syntax definitions for ES|QL

Theme aura for CodeMirror.

Theme noctis-lilac for CodeMirror.

Theme bbedit for CodeMirror.

Theme console for CodeMirror.

Create regex for template delimiters.

TypeScript parsing and manipulation utilities for Kubb, enabling code generation with proper TypeScript syntax and formatting.

Stylelint plugin to validate CSS syntax

Theme solarized for CodeMirror.

Theme tokyo-night-day for CodeMirror.

Theme monokai for CodeMirror.

Theme tokyo-night-storm for CodeMirror.

rehype plugin to use browser APIs to stringify HTML

Theme andromeda for CodeMirror.

ECMAScript code beautifier/formatter

Fork of pseudo-yaml-ast. Parse a YAML string into an object with location properties

Theme white for CodeMirror.

Theme kimbie for CodeMirror.

Node.js objects inspector with color highlighting

Theme duotone for CodeMirror.

Code highlight with Mantine theme

Use the display-p3-linear color space on the color() function in CSS

Theme quietlight for CodeMirror.

Theme darcula for CodeMirror.

Theme abcdef for CodeMirror.

Theme bespin for CodeMirror.

Theme gruvbox-dark for CodeMirror.

constructors for the Shift AST format

Themes all for CodeMirror 6.

Abstract Syntax Tree (AST) Data Structure

Highlight.js syntax definition for GraphQL

Theme red for CodeMirror.

JavaScript expression parsing and evaluation.

CSS validator built on csstree

SQL Syntax Highlighter and Logger. Unadorned and customizable.

Syntax highlighting with language autodetection. (pre-compiled CDN assets)

A collection of regular expressions to match color syntax substrings from a text

Wrap up expressions with a trace function while walking the AST with rice and beans on the side

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

Provides a fast company / work email validator by checking whether the email domain is in the free email provider list.

The unified plugin used to highlight code block in html with Prism

Provides a plugin for typhonjs-escomplex module processing which loads syntax definitions for trait resolution for Babylon AST.

Provides a plugin for typhonjs-escomplex module processing which loads syntax definitions for trait resolution for ESTree AST.

PostCSS syntax for parsing styled components

Copy or deep clone a value to an arbitrary depth.

Copy an error object.

reducer for the Shift AST format

remark plugin to parse Markdown

Yaml input field with validation and syntax highlighting as React Component

Regular expression parser for ECMAScript.

highlight.js syntax definition for Ethereum's Solidity language

🦅 cli syntax highlighting: any function - any object - 176 languages

ECMAScript parser that produces a Shift format AST

Esprima-compatible implementation of the Mozilla JS Parser API

CodeMirror merge view for React.

retext plugin to classify url-like values as syntax, not natural language

retext plugin to classify @mentions as syntax, not natural language

Syntax highlighting, like GitHub

transform the ast on a recursive walk

Provides "ui" for testing frameworks such as mocha/jasmine which allows to define lazy variables and subjects

code generator for Shift format ASTs

CSS syntax patches for CSS tree

Super-thin React wrapper for lowlight (Syntax highlighting using VDOM)

noop functions to help formatters and syntax highlighters recognize embedded code

Syntax highlighter component for react using shiki

rehype plugin to wrap a document around a fragment

generate random valid Shift format ASTs

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

Declarative JavaScript AST modification façade

Google Code Prettify

ESLint Plugin to enforce a style of snake_case in your project, rather than just disabling camelCase.

Vue 3 CodeBlock - Highlight your code with ease using this syntax highlighting component powered by PrismJS or Highlight.js.

React.js + prismjs syntax hightlight component

JavaScript implementation of SQLite 3 query parser

A tiny syntax highlighter.

Syntax highlighting with highlight.js for Vue.js 2.x

Check the validity of the format of an EU VAT number

Esprima-compatible implementation of the Mozilla JS Parser API

a tiny react codemirror component wrapper

GitHub Light theme for the CodeMirror editor

Parsing Library for Typescript and Javascript.

A parser for files written with SHACL compact syntax

GitHub Dark theme for the CodeMirror editor

remark plugin to parse Markdown

Abstract Syntax Tree (AST) Query Engine

Walk the primary nodes of an esprima parse tree - fast.

Esprima-compatible implementation of the Mozilla JS Parser API

Regular expression matching for email addresses. Maintained, configurable, more accurate, and browser-friendly alternative to email-regex. Works in Node v14+ and browsers. Made for Spam Scanner and Forward Email.

ESLint rules to disallow unsafe regular expressions.

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

Markdown-like DSL for defining syntactic grammars for programming languages.

Esprima-compatible implementation of the Mozilla JS Parser API

[![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][deps-svg]][deps-url] [![dev dependency status][dev-deps-svg]][dev-deps-url] [![License][license-image]][license-url] [![Downloads][downloads-im

Verifalia email verification library for JavaScript: verify email addresses in real-time and check whether they are deliverable, invalid, or otherwise risky.

Stylelint rule to disallow specified syntax.

A lightweight JavaScript widget with zero dependencies that performs real-time email address validation using the Verifalia email verification service. This widget integrates seamlessly with any web form to swiftly identify and eliminate invalid, undelive

A lightweight React wrapper around the Highlight.js syntaxt highlighting library

Solid component for syntax highlighting, based on react-highlight and highlightjs' vue plugin

Parses an SQL-like WHERE string into various forms.

rehype plugin to highlight code with `starry-night`

Check Any file with ESLint

The core module of various postcss css-in-js syntaxes

Synax highlight component for Ink

No chi-chi syntax highlighter for Vue.js 3 (and 2).

jstranform for es6 modules syntax

VSCode Dark theme for the CodeMirror editor

highlight.js syntax definition for Structured Text IEC 61131-3 language

Handles josa selection for dynamically generated strings

Stylelint plugin to validate CSS syntax

Validate JavaScript code and report possible syntax errors

VSCode Light theme for the CodeMirror editor

PostHTML code syntax highlighting with Prism

PostCSS syntax for parsing styled-jsx

Add the context of a json parse error to the error message with syntax highlighting if possible.

ECMAScript parsing infrastructure for multipurpose analysis

Tokyo Night Storm theme for the CodeMirror editor

Tokyo Night Day theme for the CodeMirror editor

Gruvbox Dark theme for the CodeMirror editor

Basic Light theme for the CodeMirror editor

Forest theme for the CodeMirror editor

Monokai theme for the CodeMirror editor

Solarized Dark theme for the CodeMirror editor

a react native component for syntax highlighting

JavaScript syntax tree transformer, nondestructive pretty-printer, and automatic source map generator

Highlight.JS in TypeScript (and ES6).

Abcdef theme for the CodeMirror editor

JavaScript implentation of SQLite 3 query parser

xast utility to parse from XML

Material Light theme for the CodeMirror editor

Nord theme for the CodeMirror editor