Update UI (#44)

src/GraphiQl/AssetProvider.cs

@@ -0,0 +1,31 @@
+using System;
+using Microsoft.Extensions.FileProviders;
+using Microsoft.Extensions.Primitives;
+
+namespace GraphiQl
+{
+    internal class AssetProvider : IFileProvider
+    {
+        private readonly EmbeddedFileProvider _provider;
+
+        public AssetProvider(EmbeddedFileProvider provider)
+            => _provider = provider;
+
+        public IFileInfo GetFileInfo(string subpath)
+        {
+            // Embedded resource renames hypphens in directory to underscore, this tells file provider where to find it.
+            if (subpath.Equals("/es6-promise/es6-promise.min.js", StringComparison.OrdinalIgnoreCase))
+            {
+                subpath = "/es6_promise/es6-promise.min.js";
+            }
+
+            return _provider.GetFileInfo(subpath);
+        }
+
+        public IDirectoryContents GetDirectoryContents(string subpath) 
+            => _provider.GetDirectoryContents(subpath);
+
+        public IChangeToken Watch(string filter)
+            => _provider.Watch(filter);
+    }
+}

src/GraphiQl/GraphiQlExtensions.cs

@@ -44,11 +44,12 @@ private static IApplicationBuilder UseGraphiQlImp(this IApplicationBuilder app,
         {
             if (app == null)
                 throw new ArgumentNullException(nameof(app));
-
+
+            var provider = new EmbeddedFileProvider(typeof(GraphiQlExtensions).GetTypeInfo().Assembly, "GraphiQl.assets");
             var fileServerOptions = new FileServerOptions
             {
                 RequestPath = options.GraphiQlPath,
-                FileProvider = new EmbeddedFileProvider(typeof(GraphiQlExtensions).GetTypeInfo().Assembly, "GraphiQl.assets"),
+                FileProvider = new AssetProvider(provider),
                 EnableDefaultFiles = true,
                 StaticFileOptions = {ContentTypeProvider = new FileExtensionContentTypeProvider()}
             };