81 lines
1.8 KiB
TypeScript
81 lines
1.8 KiB
TypeScript
interface Product {
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id: number;
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name: string;
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price: number;
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image: string;
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}
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interface User {
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id: number;
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}
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interface Cart {
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items: Array<{
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id: number;
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name: string;
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count: number;
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}>;
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}
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function getOrigin(request: Request): string {
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return new URL(request.url).origin.replace('localhost', '127.0.0.1');
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}
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async function get<T>(
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incomingReq: Request,
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endpoint: string,
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cb: (response: Response) => Promise<T>
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): Promise<T> {
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const response = await fetch(`${getOrigin(incomingReq)}${endpoint}`, {
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credentials: 'same-origin',
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});
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if (!response.ok) {
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// TODO make this better...
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return null;
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}
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return cb(response);
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}
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export async function getProducts(incomingReq: Request): Promise<Product[]> {
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return get<Product[]>(incomingReq, '/api/products', async (response) => {
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const products: Product[] = await response.json();
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return products;
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});
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}
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export async function getProduct(incomingReq: Request, id: number): Promise<Product> {
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return get<Product>(incomingReq, `/api/products/${id}`, async (response) => {
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const product: Product = await response.json();
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return product;
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});
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}
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export async function getUser(incomingReq: Request): Promise<User> {
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return get<User>(incomingReq, `/api/user`, async (response) => {
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const user: User = await response.json();
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return user;
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});
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}
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export async function getCart(incomingReq: Request): Promise<Cart> {
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return get<Cart>(incomingReq, `/api/cart`, async (response) => {
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const cart: Cart = await response.json();
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return cart;
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});
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}
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export async function addToUserCart(id: number | string, name: string): Promise<void> {
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await fetch(`${location.origin}/api/cart`, {
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credentials: 'same-origin',
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method: 'POST',
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mode: 'no-cors',
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headers: {
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'Content-Type': 'application/json',
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Cache: 'no-cache',
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},
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body: JSON.stringify({
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id,
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name,
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}),
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});
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}
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