fix: throw error if wallet list is not provided (#1911)

Co-authored-by: Magomed Khamidov <53529533+KosmosKey@users.noreply.github.com>
Co-authored-by: Daniel Sinclair <d@niel.nyc>

.changeset/old-mugs-dance.md

@@ -0,0 +1,5 @@
+---
+"@rainbow-me/rainbowkit": patch
+---
+
+Add a small check to throw an error if the wallet list is empty overall or empty within any category.

packages/rainbowkit/src/wallets/connectorsForWallets.ts

@@ -36,6 +36,16 @@ export const connectorsForWallets = (
     appIcon,
   }: ConnectorsForWalletsParameters,
 ): CreateConnectorFn[] => {
+  if (!walletList.length) {
+    throw new Error('No wallet list was provided');
+  }
+
+  for (const { wallets, groupName } of walletList) {
+    if (!wallets.length) {
+      throw new Error(`No wallets provided for group: ${groupName}`);
+    }
+  }
+
   let index = -1;
 
   const connectors: CreateConnectorFn[] = [];