Setup something simple and straight-forward

netlify/functions/shared/api.ts

@@ -0,0 +1,10 @@
+// Standard variation
+export async function api<T>(url: string): Promise<T> {
+  return fetch(url)
+    .then(response => {
+      if (!response.ok) {
+        throw new Error(response.statusText)
+      }
+      return response.json() as Promise<T>
+    })
+}