Pass in a string, array, Buffer, Data View, or Uint8Array, and get a Buffer back.

Create an error with a code

An Object.keys replacement, in case Object.keys is not available. From https://github.com/es-shims/es5-shim

An ES5 spec-compliant `Array.prototype.reduce` shim/polyfill/replacement that works as far down as ES3.

ES2017 spec-compliant String.prototype.padEnd shim.

Port of jQuery.extend for node.js and the browser

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

Utility Types Collection for TypeScript

Parses every stack trace into a nicely formatted array of hashes.

ES spec-compliant shim for Object.hasOwn

dropdown ui component for react

A simple code writer that assists with formatting and visualizing blocks of code.

Copies non-react specific statics from a child component to a parent component

Spectacular Test Runner for JavaScript.

RSA for browserify

Utility for normalizing a numeric range, with a wrapping function useful for polar coordinates

ES2015-compliant shim for Number.isNaN - the global isNaN returns false positives.

adds node crypto signing for browsers

ES Proposal spec-compliant shim for AggregateError

the definitive JavaScript type testing library