// ES6 notation

class SuperClass {
  constructor() {
    console.log("SuperClass constructor");
  }
  superclassMethod() {
    console.log("SuperClass method");
  }
}

class SubClass extends SuperClass {
  constructor() {
    super();
    console.log("SubClass constructor");
  }
}

const x = new SubClass();
x.superclassMethod();

// Old style

const OldSuperClass = function OldSuperClass() {
  console.log("OldSuperClass constructor");
};

OldSuperClass.prototype.oldsuperclassMethod = function oldsuperclassMethod() {
  console.log("OldSuperClass method");
};

const OldSubClass = function OldSubClass() {
  OldSuperClass.apply(this, arguments);
  console.log("OldSubClass constructor");
};

Object.setPrototypeOf(OldSubClass.prototype, OldSuperClass.prototype);
Object.setPrototypeOf(OldSubClass, OldSuperClass);

const y = new OldSubClass();
y.oldsuperclassMethod();

// Native

const addon = require('./build/Release/inheritance.node');

const z = new addon.Subclass();
z.superclassMethod(); // <-- Throws illegal invocation error

Uh oh!

v8::FunctionTemplate inherit to Napi #246

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