JSPM

array-base

Promise subclass to make the promise chain abortable.

Use the @extend at-rule and functional selectors in CSS

Augmented Object Oriented Programming

create a bunch of custom errors

A port of PrototypeJS's class-based OOP system.

basic utility to augment a constructor

Provides a syntax for prototypal inheritance that also allows for arrays that inherit from a custom prototype

Returns true if A is a subclass of B.

Detect native class support.

Easily subclass errors

Inherit, extend, decorate, and override classes and instances.

Array info to use with augment-with functionality

Simply create subclassed Error functions