From 8fb412e960a4541b0536e81050dcf96636570f55 Mon Sep 17 00:00:00 2001
From: thetownfool <thetownfool@gmail.com>
Date: Fri, 14 Feb 2020 18:37:23 +0000
Subject: [PATCH] allow valid error message to be displayed on linux (#18997)
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when attempting to enable client debugging on blazor-wasm an attempt to
provide a helpful message casues an ¨Unknown OS platform¨ exception

relates to #16366 #12970
---
 .../MonoDebugProxy/BlazorMonoDebugProxyAppBuilderExtensions.cs  | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Components/Blazor/Server/src/MonoDebugProxy/BlazorMonoDebugProxyAppBuilderExtensions.cs b/src/Components/Blazor/Server/src/MonoDebugProxy/BlazorMonoDebugProxyAppBuilderExtensions.cs
index 394ccbe718..1e88ba5264 100644
--- a/src/Components/Blazor/Server/src/MonoDebugProxy/BlazorMonoDebugProxyAppBuilderExtensions.cs
+++ b/src/Components/Blazor/Server/src/MonoDebugProxy/BlazorMonoDebugProxyAppBuilderExtensions.cs
@@ -337,7 +337,7 @@ namespace Microsoft.AspNetCore.Builder
             }
             else
             {
-                throw new InvalidOperationException("Unknown OS platform");
+                return $@"<p>Edge is not current supported on your platform</p>";
             }
         }