Language

Runtime library for TypeScript helper functions

Get and robustly cache all JS language-level intrinsics at first require time

TypeScript is a language for application scale JavaScript development

utility box for ECMAScript language tools

HTTP content negotiation

A query library for ECMAScript AST using a CSS selector like query language.

Character encoding detector

unist utility to visit nodes

A Query Language and Runtime which can target any service.

Get the system locale

Full BCP 47 language subtag data from the official IANA repository, in JSON format with multiple indices.

Work with IANA language tags.

Mapping between standard locale identifiers and Windows locale identifiers (LCID)

Syntax highlighting with language autodetection.

Get an iterator for any JS language value. Works robustly across all environments, all versions.

Strip line and/or block comments from a string. Blazing fast, and works with JavaScript, Sass, CSS, Less.js, and a number of other languages.

Polyfills for various browsers including commonly used language features

JS language shims used by Airbnb.

Robust, expressive, and feature-rich CSS superset

Simple, fast, powerful parser toolkit for JavaScript.

An extensible static analysis linter for the TypeScript language

Types used by the Language server for node

Regular expression for matching HTML comments

VSCode Language Server Protocol implementation

Language server implementation for node

Unfancy JavaScript

Angular - language services

The runtime components for the pug templating language

A clean, whitespace-sensitive template language for writing HTML

An enterprise-class UI design language and React components implementation

Unfancy JavaScript

A fun, easy and simple programming language built on top of nodejs

language detector used in browser environment for i18next

JSBI is a pure-JavaScript implementation of [the ECMAScript BigInt proposal](https://tc39.es/proposal-bigint/), which officially became a part of the JavaScript language in ES2020.

HTML/CSS/JSON/ESLint language servers extracted from [vscode](https://github.com/Microsoft/vscode).

A language server for Apollo GraphQL projects

Convert millisecond durations to English and many other languages.

Interface to the GraphQL Language Service

Utilities to support the GraphQL Language Service

An online parser for GraphQL for use in syntax-highlighters and code intelligence tools

Types for building GraphQL language services for IDEs

Lookup the closest locale from among object keys

Language service for JSON

A CSS-inspired language to select, sequence, and compose DOM events.

A clean, whitespace-sensitive template language for writing HTML

Velocity Template Language(VTL) for JavaScript

Returns a list of strings representing the user's preferred languages.

Language support infrastructure for the CodeMirror code editor

Parse the accept-language header from a HTTP request

A natural language date parser in Javascript