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, css, less, ... and your custom stuff.
ECMAScript scope analyzer
Source transformer enabling ECMAScript 6 generator functions (yield) in JavaScript-of-today (ES5)
A query library for ECMAScript AST using a CSS selector like query language.
Source transformer enabling ECMAScript 6 generator functions (yield) in JavaScript-of-today (ES5)
Missing ECMAScript module utils for Node.js
ECMAScript code generator
ECMAScript AST recursive visitor
ECMAScript 2015 (ES6) Object.assign polyfill and ponyfill
Error-tolerant ECMAScript parser
ECMAScript (ESTree) AST walker
utility box for ECMAScript language tools
A robust & optimized `String.prototype.repeat` polyfill, based on the ECMAScript 6 specification.
A robust & optimized `String.prototype.codePointAt` polyfill, based on the ECMAScript 6 specification.
ECMAScript 5 compatibility shims for legacy JavaScript engines
Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.
Match a Unicode property or property alias to its canonical property name per the algorithm used for RegExp Unicode property escapes in ECMAScript.
ECMAScript6 WeakMap polyfill
Convert Node Streams into ECMAScript-Observables
Verify that file or package, be it remote, or local, is a valid ECMAScript Module
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.
ECMAScript code generator
ECMAScript spec-compliant polyfill/shim for `globalThis`