LEARN TYPESCRIPT TypeMart

index.ts

import products from './products'

let productName = "tote bag";
let shipping: number;
let taxPercent: number;
let taxTotal: number;
let total: number;
const shippingAddress = 'SHCES 505 bloco A';

const product = products.find((product) => product.name === productName)

console.log(product)

if (!product) {
  console.log("There is no product")
} else {
  if (product.preOrder === 'true') {
  console.log('We will send you a message when your product is on its way.')
}
  if (Number(product.price) > 25) {
    shipping = 0
    console.log('We provide free shipping for this product.')
  } else {
    shipping = 5
  }

  if (shippingAddress.match('New York')) {
    taxPercent = 0.1;
  } else {
    taxPercent = 0.05;
  }

  taxTotal = Number(product.price) * taxPercent
  total = Number(product.price) + taxTotal + shipping


console.log(`
Product:  ${product.name}
Address:  ${shippingAddress}
Price:    $${product.price}
Tax:      $${taxTotal.toFixed(2)}
Shipping: $${shipping.toFixed(2)}
Total:    $${total.toFixed(2)}
`);
}

products.ts

const products = [
  {
    name: 'fanny pack',
    price: '30',
    preOrder: 'true',
  },
  {
    name: 'beanie',
    price: '15',
    preOrder: 'false',
  },
  {
    name: 'tote bag',
    price: '20',
    preOrder: 'false',
  },
  {
    name: 'shirt',
    price: '20',
    preOrder: 'true',
  },
  {
    name: 'hoodie',
    price: '43',
    preOrder: 'true',
  },
];

export default products;

tsconfig.json

{
  "compilerOptions": {
    "target": "es2017",
    "module": "commonjs",
    "strictNullChecks": true
  },
  "include": ["**/*.ts"]
}