for-each-property-deep

Executes a callback for each property found on a object, recursively on nested properties, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object an

for-each-property

Executes a callback for each property found on a object, with options regarding enumerability (enumerable or non-enumerable) and ownership (inherited or only own properties). It excludes built-in properties from Object and Function prototypes by default,

cls

Class factory featuring inheritance of static properties, static constructors, lazy population of prototypes, and this._super.

clone-class

Clone an ES6 Class as Another Class Name for Isolating Class Static Properties.