04. Elemelons Exercise: Prototypes and Inheritance

function solve() {
    class Melon {
        elements = {
            Watermelon: 'Water',
            Firemelon: 'Fire',
            Earthmelon: 'Earth',
            Airmelon: 'Air'
        }
        curElement = '';
        constructor(weight, melonSort) {
            if (new.target === Melon) {
                throw new TypeError("Abstract class cannot be instantiated directly");
            }
            this.weight = weight;
            this.melonSort = melonSort;
        }

        elementIndex() { return this.weight * this.melonSort.length }
        toString() { return `Element: ${this.elements[this.curElement]}\nSort: ${this.melonSort}\nElement Index: ${this.elementIndex()}` }
    }

    class Watermelon extends Melon {
        curElement = 'Watermelon';
        constructor(weight, melonSort) {
            super(weight, melonSort)
        }

    }

    class Firemelon extends Melon {
        curElement = 'Firemelon';
        constructor(weight, melonSort) {
            super(weight, melonSort)
        }
    }

    class Earthmelon extends Melon {
        curElement = 'Earthmelon';
        constructor(weight, melonSort) {
            super(weight, melonSort)
        }
    }

    class Airmelon extends Melon {
        curElement = 'Airmelon';
        constructor(weight, melonSort) {
            super(weight, melonSort)
        }
    }

    class Melolemonmelon extends Watermelon {
        curElement = 'Watermelon';
        classes = ['Firemelon', 'Earthmelon', 'Airmelon', 'Watermelon'];
        constructor(weight, melonSort) {
            super(weight, melonSort)
        }

        morph() { this.curElement = this.classes.shift(); this.classes.push(this.curElement) }
    }
    return { Melon, Watermelon, Firemelon, Earthmelon, Airmelon, Melolemonmelon }
}