Handle aggregate fetch errors

packages/utils/src/fetch.ts

@@ -9,6 +9,10 @@ type NativeFetchAbortError = DOMException & {
   name: "AbortError";
 };
 
+type NativeAggregateFetchError = Error & {
+  cause: AggregateError;
+};
+
 function isNativeFetchError(e: unknown): e is NativeFetchError {
   return (
     e instanceof Error &&
@@ -22,6 +26,10 @@ function isNativeFetchAbortError(e: unknown): e is NativeFetchAbortError {
   return e instanceof DOMException && e.name === "AbortError";
 }
 
+function isNativeAggregateFetchError(e: unknown): e is NativeAggregateFetchError {
+  return e instanceof Error && (e as NativeAggregateFetchError).cause instanceof AggregateError;
+}
+
 class FetchBaseError extends Error {
   constructor(message: string) {
     super(message);
@@ -61,10 +69,10 @@ async function wrappedFetch(...args: Parameters<typeof fetch>): Promise<Response
   try {
     return await fetch(...args);
   } catch (e) {
-    // eslint-disable-next-line no-console
-    console.log(e);
     if (isNativeFetchError(e)) {
       throw new FetchError(e);
+    } else if (isNativeAggregateFetchError(e)) {
+      throw new FetchError(e.cause.errors[0]);
     } else if (isNativeFetchAbortError(e)) {
       throw new FetchAbortError();
     }