fix linter errors, check undici

Author: DmitryBorisov-sm

src/orkes/helpers/resolveFetchFn.ts

@@ -22,6 +22,6 @@ export const resolveFetchFn = async (
     return ((input: UndiciRequestInfo, init?: UndiciRequestInit) =>
       undiciFetch(input, { ...init, dispatcher: undiciAgent })) as FetchFn;
   } catch {
-    return fetch;
+    throw new Error("Undici is not supported");
   }
 };

src/orkes/request/request.ts

@@ -24,16 +24,7 @@ const isStringWithValue = (value: unknown): value is string => {
 };
 
 const isBlob = (value: unknown): value is Blob => {
-  return (
-    typeof value === "object" && value !== null &&
-    typeof (value as Blob).type === "string" &&
-    typeof (value as Blob).stream === "function" &&
-    typeof (value as Blob).arrayBuffer === "function" &&
-    typeof value.constructor === "function" &&
-    typeof value.constructor.name === "string" &&
-    /^(Blob|File)$/.test(value.constructor.name) &&
-    /^(Blob|File)$/.test((value as { [Symbol.toStringTag]: string })[Symbol.toStringTag])
-  );
+  return typeof Blob !== "undefined" && value instanceof Blob;
 };
 
 const isFormData = (value: unknown): value is FormData => {