GoF Chain of Resp

ChainOfResp.js

class ATM {
    constructor(amount) {
        this.amount = amount;
        console.log("Requested: $" + amount + "\n");
    }

    get (bill) {
        const count = Math.floor(this.amount / bill);
        this.amount -= count * bill;
        console.log("Dispense " + count + " $" + bill + " bills");
        return this;
    }
}

const atm = new ATM(442);
atm.get(100).get(50).get(20).get(10).get(5).get(1);

// Requested: $442

// Dispense 4 $100 bills
// Dispense 0 $50 bills
// Dispense 2 $20 bills
// Dispense 0 $10 bills
// Dispense 0 $5 bills
// Dispense 2 $1 bills