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Be explicit whenever you can
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Be explicit whenever you can
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index.ts
run
preview
console
type Pizza = {
id: number
name: string
price: number
}

type Order = {
id: number
pizza: Pizza
status: "ordered" | "completed"
}

const menu: Pizza[] = [
{ id: 1, name: "Margherita", price: 8 },
{ id: 2, name: "Pepperoni", price: 10 },
{ id: 3, name: "Hawaiian", price: 10 },
{ id: 4, name: "Veggie", price: 9 },
]

let cashInRegister = 100
let nextOrderId = 1
const orderQueue: Order[] = []

function addNewPizza(pizzaObj: Pizza) {
menu.push(pizzaObj)
}

function placeOrder(pizzaName: string) {
const selectedPizza = menu.find(pizzaObj => pizzaObj.name === pizzaName)
if (!selectedPizza) {
console.error(`${pizzaName} does not exist in the menu`)
return
}
cashInRegister += selectedPizza.price
const newOrder: Order = { id: nextOrderId++, pizza: selectedPizza, status: "ordered" }
orderQueue.push(newOrder)
return newOrder
}

function completeOrder(orderId: number) {
const order = orderQueue.find(order => order.id === orderId)
if (!order) {
console.error(`${orderId} was not found in the orderQueue`)
return
}
order.status = "completed"
return order
}


export function getPizzaDetail(identifier: string | number) {
if (typeof identifier === "string") {
return menu.find(pizza => pizza.name.toLowerCase() === identifier.toLowerCase())
} else {
return menu.find(pizza => pizza.id === identifier)
}
}

// addNewPizza({ id: 5, name: "Chicken Bacon Ranch", price: 12 })
// addNewPizza({ id: 6, name: "BBQ Chicken", price: 12 })
// addNewPizza({ id: 7, name: "Spicy Sausage", price: 11 })

// placeOrder("Chicken Bacon Ranch")
// placeOrder("Pepperoni")
// completeOrder(1)
// placeOrder("Anchovy")
// placeOrder("Veggie")
// completeOrder(2)

// console.log("Menu:", menu)
// console.log("Cash in register:", cashInRegister)
// console.log("Order queue:", orderQueue)
Console
/index.html
-2:11