feat: stripe handlers and fetchers

packages/lib/stripe/fetchers/checkout-session.ts

@@ -0,0 +1,23 @@
+import { CheckoutSessionRequest, CheckoutSessionResponse } from "../handlers/checkout-session"
+
+export type FetchCheckoutSessionOptions = CheckoutSessionRequest['body']
+
+export const fetchCheckoutSession = async ({ 
+    id,
+    priceId
+}: FetchCheckoutSessionOptions) => {
+    const response = await fetch('/api/stripe/checkout-session', {
+        method: 'POST',
+        headers: {
+            'Content-Type': 'application/json'
+        },
+        body: JSON.stringify({
+            id,
+            priceId
+        })
+    });
+
+    const json: CheckoutSessionResponse = await response.json();
+
+    return json;
+}