1 addIngredientHandler = ( type ) => {
2        const oldCount = this.state.ingredients[type];
3        const updatedCount = oldCount + 1;
4        const updatedIngredients = {
5            ...this.state.ingredients
6        };
7        updatedIngredients[type] = updatedCount;
8        const priceAddition = INGREDIENT_PRICES[type];
9        const oldPrice = this.state.totalPrice;
10        const newPrice = oldPrice + priceAddition;
11        this.setState( { totalPrice: newPrice, ingredients: updatedIngredients } );
12        this.updatePurchaseState( updatedIngredients );
13        console.log('3')
14
15    }