1 files changed, 72 insertions, 0 deletions
diff --git a/examples/ssr/src/api.ts b/examples/ssr/src/api.ts
new file mode 100644
index 000000000..2d10a85f9
--- /dev/null
+++ b/examples/ssr/src/api.ts
@@ -0,0 +1,72 @@
+export interface Product {
+	id: number;
+	name: string;
+	price: number;
+	image: string;
+}
+
+interface User {
+	id: number;
+}
+
+interface Cart {
+	items: Array<{
+		id: number;
+		name: string;
+		count: number;
+	}>;
+}
+
+async function getJson<T>(
+	incomingReq: Request,
+	endpoint: string,
+): Promise<T> {
+	const origin = new URL(incomingReq.url).origin;
+	try {
+		const response = await fetch(`${origin}${endpoint}`, {
+			credentials: 'same-origin',
+			headers: incomingReq.headers,
+		});
+		if (!response.ok) {
+			throw new Error(`GET ${endpoint} failed: ${response.statusText}`);
+		}
+		return response.json() as Promise<T>;
+	} catch (error) {
+		if (error instanceof DOMException || error instanceof TypeError) {
+			throw new Error(`GET ${endpoint} failed: ${error.message}`);
+		}
+		throw error;
+	}
+}
+
+export async function getProducts(incomingReq: Request): Promise<Product[]> {
+	return getJson<Product[]>(incomingReq, '/api/products');
+}
+
+export async function getProduct(incomingReq: Request, id: number): Promise<Product> {
+	return getJson<Product>(incomingReq, `/api/products/${id}`);
+}
+
+export async function getUser(incomingReq: Request): Promise<User> {
+	return getJson<User>(incomingReq, `/api/user`);
+}
+
+export async function getCart(incomingReq: Request): Promise<Cart> {
+	return getJson<Cart>(incomingReq, `/api/cart`);
+}
+
+export async function addToUserCart(id: number | string, name: string): Promise<void> {
+	await fetch(`${location.origin}/api/cart`, {
+		credentials: 'same-origin',
+		method: 'POST',
+		mode: 'no-cors',
+		headers: {
+			'Content-Type': 'application/json',
+			Cache: 'no-cache',
+		},
+		body: JSON.stringify({
+			id,
+			name,
+		}),
+	});
+}