From fadcb586c64f3832719492fe901dd0ed9b1e6a2e Mon Sep 17 00:00:00 2001
From: SteveSandersonMS <stevesa@microsoft.com>
Date: Mon, 7 Nov 2016 12:29:01 -0800
Subject: [PATCH] Support specifying environment variables for the Webpack dev
 middleware Node instance. Resolves #311.

---
 .../Webpack/WebpackDevMiddleware.cs                       | 8 ++++++++
 .../Webpack/WebpackDevMiddlewareOptions.cs                | 3 +++
 2 files changed, 11 insertions(+)

diff --git a/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddleware.cs b/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddleware.cs
index 3825c28..9ea3299 100644
--- a/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddleware.cs
+++ b/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddleware.cs
@@ -47,6 +47,14 @@ namespace Microsoft.AspNetCore.Builder
                 nodeServicesOptions.ProjectPath = options.ProjectPath;
             }
 
+            if (options.EnvironmentVariables != null)
+            {
+                foreach (var kvp in options.EnvironmentVariables)
+                {
+                    nodeServicesOptions.EnvironmentVariables[kvp.Key] = kvp.Value;
+                }
+            }
+
             var nodeServices = NodeServicesFactory.CreateNodeServices(nodeServicesOptions);
 
             // Get a filename matching the middleware Node script
diff --git a/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs b/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs
index ebfe36d..8f5e12a 100644
--- a/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs
+++ b/src/Microsoft.AspNetCore.SpaServices/Webpack/WebpackDevMiddlewareOptions.cs
@@ -1,3 +1,5 @@
+using System.Collections.Generic;
+
 namespace Microsoft.AspNetCore.SpaServices.Webpack
 {
     public class WebpackDevMiddlewareOptions
@@ -7,5 +9,6 @@ namespace Microsoft.AspNetCore.SpaServices.Webpack
         public bool ReactHotModuleReplacement { get; set; }
         public string ConfigFile { get; set; }
         public string ProjectPath { get; set; }
+        public IDictionary<string, string> EnvironmentVariables { get; set; }
     }
 }
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