✨ feat: fetch helper connection to main backend

create a helper to facilitate data requests to and from the main backend.

.gitignore

@@ -29,6 +29,7 @@ npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
 .pnpm-debug.log*
+/app/debug
 
 # env files (can opt-in for committing if needed)
 .env*

shared/helper/backendFetch.ts

@@ -0,0 +1,26 @@
+interface BackendResponse<T = unknown> {
+  success: boolean;
+  message: string;
+  data?: T;
+  error?: unknown;
+}
+
+export const backendFetch = async (path: string, options: RequestInit = {}) => {
+  const res = await fetch(`${process.env.BACKEND_ENDPOINT}/${path}`, {
+    ...options,
+    headers: {
+      "Content-Type": "application/json",
+      Authorization: `Bearer ${process.env.BACKEND_API_KEY}`,
+      ...options.headers,
+    },
+    cache: "default",
+  });
+
+  const resJson = (await res.json()) as BackendResponse;
+
+  if (!res.ok || !resJson.success) {
+    throw new Error(`Elysia error: ${resJson.error}`);
+  }
+
+  return resJson;
+};