kitchen classes js

class Kitchen{
    constructor(budget){
        this.budget = budget;
        this.menu = {};
        this.productsInStock = {};
        this.actionsHistory = [];
    }

    loadProducts(arr){
        for (const line of arr) {
            let productLine=line.split(' ');
                let name=productLine[0];
                let quantity=Number(productLine[1]);
                let price=Number(productLine[2]);

            let successString=`Successfully loaded ${quantity} ${name}`;
            let failureString=`There was not enough money to load ${quantity} ${name}`;
            let canBuy=this.budget-price>=0;

            if(!this.productsInStock.hasOwnProperty(name) && canBuy){
                this.productsInStock[name]=quantity;
                this.budget-=price
                this.actionsHistory.push(successString);
            }else if(canBuy){
                this.productsInStock[name] += quantity;
                this.budget-=price;
                this.actionsHistory.push(successString);
            }else{
                this.actionsHistory.push(failureString);
            }
        }
        return this.actionsHistory.join('\n').trim()+'\n';
    }

    addToMenu(meal,products,price){
        let exist=this.menu.hasOwnProperty(meal);
        if(exist){
           return `The ${meal} is already in our menu, try something different.`;
        }
         this.menu[meal] = {meal, products: products, price};
         let count=Object.keys(this.menu).length;
         return `Great idea! Now with the ${meal} we have ${count} meals in the menu, other ideas?`;
    }

    showTheMenu(){
        if(Object.keys(this.menu).length===0){
            return "Our menu is not ready yet, please come later...";
        }
        let result=Object.values(this.menu).map(x=>(`${x.meal} - $ ${x.price}`));
        return result.join('\n').trim()+'\n';
    }


    makeTheOrder(meal) {
        if (!this.menu.hasOwnProperty(meal)) {
            return `There is not ${meal} yet in our menu, do you want to order something else?`
        }

        let neededProducts = this.menu[meal].products;

        for (const product of neededProducts) {
            let [productName, productQuantity] = product.split(/\s+/);
            let quantityNeeded = Number(productQuantity);

            if (!this.productsInStock.hasOwnProperty(productName) || this.productsInStock[productName] < quantityNeeded) {
                return `For the time being, we cannot complete your order (${meal}), we are very sorry...`;
            }
        }

        neededProducts.forEach((product) => {
            let [productName, productQuantity] = product.split(/\s+/);
            this.productsInStock[productName] -= Number(productQuantity);
        });

        let price = this.menu[meal].price;
        this.budget += price;
        return `Your order (${meal}) will be completed in the next 30 minutes and will cost you ${price}.`
    }

}