An implementation of the WHATWG URL Standard's URL API and parsing machinery
Bash-like brace expansion, implemented in JavaScript. Safer than other brace expansion libs, with complete support for the Bash 4.3 braces specification, without sacrificing speed.
Determine if the JS environment has Symbol support. Supports spec, or shams.
Cross platform child_process#spawn and child_process#spawnSync
Next-generation ES module bundler
A super light and fast circular JSON parser.
string representations of objects in node and the browser
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.
Media Type Database
Does this JS environment support the `name` property on functions?
Improved typeof detection for node.js and the browser.
Perform async work synchronously in Node.js using `worker_threads` with first-class TypeScript support.
JSON for Humans
Simple key-value storage with support for multiple backends
Determine if a value is an ES6 Symbol or not.
Is this value negative zero? === will lie to you
Store information about any JS value in a side channel, using a Map
Get and robustly cache all JS language-level intrinsics at first require time
ES5 spec-compliant shim for String.prototype.trim
Node.js final http responder
corsProxy cli
Which kind of Collection (Map, Set, WeakMap, WeakSet) is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
TypeScript plugin for ESLint
HTTP status utility