class MemeGenerator {

  constructor(options){
    this.options = options;
  }

  print() {
    console.log(this.options);
  }

}

class Meme {

  constructor(_options={}){
    this.defaultOptions={"poke": "oddish"};
    this.options = Object.assign(this.defaultOptions, _options);
  }

  MemeGenerator(_options=this.options) {
    return new MemeGenerator(_options);
  }

}

const meme = new Meme();
const memeGen = meme.MemeGenerator();
memeGen.print(); //Prints: { poke: 'oddish' }, which is the resulting options variable when options are generated, overwriting defaultOptions

//We set some options { "doot" : "doot doot" } to be used by any classes of this Meme node module...
const memeO = new Meme({ "doot": "doot doot" });
//We create an instance of MemeGenerator from our Meme modules...
const memeGenO = memeO.MemeGenerator();
//And... this will print our combined options, without us needing to repass them! Those being: { poke: 'oddish', doot: 'doot doot' }
memeGenO.print();