AbstractFactory

AbstractFactory.js

class Employee {
    constructor(name) {
        this.name = name;
    }

    say() {
        console.log("I am employee " + this.name);
    };
}

class EmployeeFactory {

    create(name) {
        return new Employee(name);
    };
}

class Vendor {
    constructor(name) {
        this.name = name;
    }

    say() {
        console.log("I am vendor " + this.name);
    };
}

class VendorFactory {

    create(name) {
        return new Vendor(name);
    };
}

const persons = [];
const employeeFactory = new EmployeeFactory();
const vendorFactory = new VendorFactory();

persons.push(employeeFactory.create("Joao"));
persons.push(employeeFactory.create("Tim"));
persons.push(vendorFactory.create("Nicole"));
persons.push(vendorFactory.create("Pedro"));

for (let i = 0, len = persons.length; i < len; i++) {
    persons[i].say();
}
// I am employee Joao
// I am employee Tim
// I am vendor Nicole
// I am vendor Pedro