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@msankhala
Created December 19, 2021 08:15
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Builder design pattern javascript
class Car {
constructor(make, model, year, isForSale = true, isInStock = false) {
this.make = make;
this.model = model;
this.year = year;
this.isForSale = isForSale;
this.isInStock = isInStock;
}
toString() {
return console.log(JSON.stringify(this));
}
}
class CarBuilder {
constructor(make, model, year) {
this.make = make;
this.model = model;
this.year = year;
}
notForSale() {
this.isForSale = false;
return this;
}
addInStock() {
this.isInStock = true;
return this;
}
build() {
return new Car(this.make, this.model, this.year, this.isForSale, this.isInStock);
}
}
module.exports = CarBuilder;
const CarBuilder = require('./CarBuilder');
const bmw = new CarBuilder('bmw', 'x6', 2020).addInStock().build();
const audi = new CarBuilder('audi', 'a8', 2021).notForSale().build();
const mercedes = new CarBuilder('mercedes-benz', 'c-class', 2019).build();
const bmw = new CarBuilder('bmw', 'x6', 2020, true, true);
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