Mixin Packages

Deeply mix the properties of objects into the first object. Like merge-deep, but doesn't clone. No dependencies.

Assign the enumerable es6 Symbol properties from one or more objects to the first object passed on the arguments. Can be used as a supplement to other extend, assign or merge methods as a polyfill for the Symbols part of the es6 Object.assign method.

Recursively (deep) clone JavaScript native types, like Object, Array, RegExp, Date as well as primitives.

Creates a shallow clone of any JavaScript value.

Mixin the own and inherited properties of other objects onto the first object. Pass an empty object as the first arg to shallow clone.

JavaScript library for reorderable drag-and-drop lists on modern browsers and touch devices. No jQuery required. Supports Meteor, AngularJS, React, Polymer, Vue, Knockout and any CSS library, e.g. Bootstrap.

Recursive Object.assign()

CSS processor resources loader for webpack

TimerMixin provides timer functions for executing code in the future that are safely cleaned up when the component unmounts

Use JavaScript objects as databases

A JavaScript object inheritance utility.

Node's EventEmitter mixin

extend and merge objects, deep or shallow

React animation.

Library of JavaScript stage-0 decorators (aka ES2016/ES7 decorators but that's not accurate!) inspired by languages that come with built-ins like @​override, @​deprecate, @​autobind, @​mixin and more! Works great with React/Angular/more!

Deeply assign the values of all enumerable-own-properties and symbols from one or more source objects to a target object. Returns the target object.

Mix the prototype of one class into another

As close to cssnext @extend as possible for PostCSS

Extend constructors using backbone's .extend signature

A masonry component for React.js