Adapter.js

class Engine2
{
    simpleInterface()
    {
        console.log('Engine 2.0 - tr-tr-tr');
    }
}

class EngineV8
{
    complecatedInterface()
    {
        console.log('Engine V8! - wroom wroom!');
    }
}

class EngineV8Adapter
{
    constructor(engine)
    {
        this.engine = engine;
    }
    
    simpleInterface()
    {
        this.engine.complecatedInterface();
    }
}

class Auto
{
    startEngine(engine)
    {
        engine.simpleInterface();
    }
}

//engine 2.0
const myCar = new Auto();
const oldEngine = new Engine2();

myCar.startEngine(oldEngine);

//Engine V8 with adapter
const myCar1 = new Auto();
const engineAdapter = new EngineV8Adapter(new EngineV8());

myCar1.startEngine(engineAdapter);

//Engine V8 without adapter
//const myCar2 = new Auto();
//const engineAdapter1 = new EngineV8();

//myCar2.startEngine(engineAdapter1); error