inherits-jsnext/inherits.js

Browser-friendly inheritance fully compatible with standard node.js inherits()

var inheritsImplementation;

export default function inherits(ctor, superCtor) {
  inheritsImplementation(ctor, superCtor);
}

if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  inheritsImplementation = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor;
    ctor.prototype = Object.create(superCtor.prototype, {
      constructor: {
        value: ctor,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
  };
} else {
  // old school shim for old browsers
  inheritsImplementation = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor;
    var TempCtor = function () {};
    TempCtor.prototype = superCtor.prototype;
    ctor.prototype = new TempCtor();
    ctor.prototype.constructor = ctor;
  }
}