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2-open-closed.js
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2-open-closed.js
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// Open/Closed Principle
// Se mudar alguma coisa fora, não precisa ter que mudar dentro
class Tax1 {
constructor(product, price) {
this.product = product,
this.price = price
}
totalPrice(tax) {
console.log(`O valor total é de R$${this.price + tax},00`);
}
}
class Tax2 {
constructor(product, price) {
this.product = product
this.price = price
}
totalPrice(tax) {
console.log(`O valor total é de R$${this.price + tax},00`);
}
}
class Tax3 {
constructor(product, price) {
this.product = product
this.price = price
}
totalPrice(tax) {
console.log(`O valor total é de R$${this.price + tax},00`);
}
}
const taxes = [
new Tax1('snes', 10),
new Tax2('Xbox', 20),
new Tax3('Playstation', 30)
]
function calculate(taxes) {
taxes.forEach(tax => console.log(tax.totalPrice(5)))
}
calculate(taxes)