Fix Uncaught ReferenceError: fetcher is not defined error

Author: spawnia

CHANGELOG.md

@@ -9,6 +9,12 @@ See [GitHub releases](https://github.com/mll-lab/laravel-graphiql/releases).
 
 ## Unreleased
 
+## v4.0.1
+
+### Fixed
+
+- Fix `Uncaught ReferenceError: fetcher is not defined` error
+
 ## v4.0.0
 
 ### Changed

views/index.blade.php

@@ -42,6 +42,10 @@
 <script src="{{ GraphiQLAsset::graphiQLJS() }}"></script>
 <script src="{{ GraphiQLAsset::pluginExplorerJS() }}"></script>
 <script>
+    const fetcher = GraphiQL.createFetcher({
+        url: '{{ $url }}',
+        subscriptionUrl: '{{ $subscriptionUrl }}',
+    });
     const explorer = GraphiQLPluginExplorer.explorerPlugin();
 
     function GraphiQLWithExplorer() {