client fetch

lib/client/fetch.ts

+export interface ErrorType<T> {
+  error?: T;
+  status: Response['status'];
+  statusText: Response['statusText'];
+}
+
+export default function clientFetch<Response, Error>(path: string, init: RequestInit): Promise<Response | ErrorType<Error>> {
+  return fetch(path, init).then(response => {
+    if (!response.ok) {
+      return response.json().then(
+        (jsonError) => Promise.reject({
+          error: jsonError as Error,
+          status: response.status,
+          statusText: response.statusText,
+        }),
+        () => Promise.reject({
+          status: response.status,
+          statusText: response.statusText,
+        }),
+      );
+
+    } else {
+      return response.json() as Promise<Response>;
+    }
+  });
+}