{}
products = [
{"name": "Smartphone", "category": "eletrônicos", "price": 150, "discount": 0.10},
{"name": "TV", "category": "eletrônicos", "price": 300, "discount": 0.0},
{"name": "Camiseta", "category": "vestuário", "price": 50, "discount": 0.20},
{"name": "Notebook", "category": "eletrônicos", "price": 1200, "discount": 0.0},
{"name": "Fone de Ouvido", "category": "eletrônicos", "price": 80, "discount": 0.10},
{"name": "Cafeteira", "category": "eletrodomésticos", "price": 200, "discount": 0.0},
]
const r = products.filter(p => p.discount > 0).map(v => {
return {
...v,
price: v.price - v.price * v.discount
}
})
console.log(r)