A set of efficient utilities that extend the use of JSON (streaming, estimate size, NDJSON/JSONL, etc.)

ECMAScript parser

ECMAScript (ESTree) AST walker

the complete solution for node.js command-line programs

fast and safe way to escape and unescape &<>'" chars

Simple to use, blazing fast and thoroughly tested websocket client and server for Node.js

Babel command line.

Babel compiler core.

This plugin transforms static class properties as well as properties declared with the property initializer syntax

Externalise references to helpers and builtins, automatically polyfilling your code without polluting globals

A Babel preset for each environment.

Babel preset for all React plugins.

babel's modular runtime helpers

TypeScript definitions for html-escaper

TypeScript definitions for opener

Custom parser for ESLint

babel module loader for webpack

A simple utility for conditionally joining classNames together

Standard library

Provides Webpack's eslint rules as an extensible shared config

Lightweight, zero-dependency JavaScript utility to convert bytes to human-readable strings with localization support

Delightful JavaScript Testing.

Simple, scalable state management.

React bindings for MobX. Create fully reactive components.

A fast and minimal alternative to globby and fast-glob

TypeScript is a language for application scale JavaScript development

Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7

CLI for webpack & friends