Create a new shared package, Microsoft.AspNet.SpaServices, to hold MapSpaFallbackRoute (and other common infrastructure yet to be added)

Microsoft.AspNet.AngularServices/project.json

@@ -26,7 +26,8 @@
   },
   "dependencies": {
     "Microsoft.AspNet.NodeServices": "1.0.0-alpha7",
-    "Microsoft.AspNet.Mvc.TagHelpers": "6.0.0-rc1-*"
+    "Microsoft.AspNet.Mvc.TagHelpers": "6.0.0-rc1-*",
+    "Microsoft.AspNet.SpaServices": "1.0.0-alpha7"
   },
   "resource": [
     "Content/**/*"

Microsoft.AspNet.SpaServices/.gitignore

@@ -0,0 +1 @@
+/bin/

Microsoft.AspNet.SpaServices/SpaRouteConstraint.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.AspNet.Http;
+using Microsoft.AspNet.Routing;
+
+namespace Microsoft.AspNet.SpaServices 
+{
+    internal class SpaRouteConstraint : IRouteConstraint
+    {
+        private readonly string clientRouteTokenName;
+    
+        public SpaRouteConstraint(string clientRouteTokenName) {
+            if (string.IsNullOrEmpty(clientRouteTokenName)) {
+                throw new ArgumentException("Value cannot be null or empty", "clientRouteTokenName");
+            }
+            
+            this.clientRouteTokenName = clientRouteTokenName;
+        }
+        
+        public bool Match(HttpContext httpContext, IRouter route, string routeKey, IDictionary<string, object> values, RouteDirection routeDirection)
+        {
+            var clientRouteValue = (values[this.clientRouteTokenName] as string) ?? string.Empty;
+            return !HasDotInLastSegment(clientRouteValue);
+        }
+    
+        private bool HasDotInLastSegment(string uri)
+        {
+            var lastSegmentStartPos = uri.LastIndexOf('/');
+            return uri.IndexOf('.', lastSegmentStartPos + 1) >= 0;
+        }
+    }
+}

Microsoft.AspNet.SpaServices/SpaRouteExtensions.cs

@@ -0,0 +1,53 @@
+using System;
+using System.Collections.Generic;
+using Microsoft.AspNet.Routing;
+using Microsoft.AspNet.SpaServices;
+
+// Putting in this namespace so it's always available whenever MapRoute is
+namespace Microsoft.AspNet.Builder
+{
+    public static class SpaRouteExtensions
+    {
+        private const string ClientRouteTokenName = "clientRoute";
+
+        public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, object defaults, object constraints = null, object dataTokens = null)
+        {
+            MapSpaFallbackRoute(routeBuilder, name, /* templatePrefix */ (string)null, defaults, constraints, dataTokens);
+        }
+
+        public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, string templatePrefix, object defaults, object constraints = null, object dataTokens = null)
+        {
+            var template = CreateRouteTemplate(templatePrefix);
+
+            var constraintsDict = ObjectToDictionary(constraints);
+            constraintsDict.Add(ClientRouteTokenName, new SpaRouteConstraint(ClientRouteTokenName));
+
+            routeBuilder.MapRoute(name, template, defaults, constraintsDict, dataTokens);
+        }
+
+        private static string CreateRouteTemplate(string templatePrefix)
+        {
+            templatePrefix = templatePrefix ?? string.Empty;
+
+            if (templatePrefix.Contains("?")) {
+                // TODO: Consider supporting this. The {*clientRoute} part should be added immediately before the '?'
+                throw new ArgumentException("SPA fallback route templates don't support querystrings");
+            }
+            
+            if (templatePrefix.Contains("#")) {
+                throw new ArgumentException("SPA fallback route templates should not include # characters. The hash part of a URI does not get sent to the server.");
+            }
+            
+            if (templatePrefix != string.Empty && !templatePrefix.EndsWith("/")) {
+                templatePrefix += "/";
+            }
+
+            return templatePrefix + $"{{*{ ClientRouteTokenName }}}";
+        }
+        
+        private static IDictionary<string, object> ObjectToDictionary(object value)
+        {
+            return value as IDictionary<string, object> ?? new RouteValueDictionary(value);
+        }
+    }
+}

Microsoft.AspNet.SpaServices/project.json

@@ -0,0 +1,22 @@
+{
+  "version": "1.0.0-alpha7",
+  "description": "Microsoft.AspNet.SpaServices",
+  "authors": [
+    "Microsoft"
+  ],
+  "tags": [
+    ""
+  ],
+  "projectUrl": "",
+  "licenseUrl": "",
+  "dependencies": {
+      "Microsoft.AspNet.Routing": "1.0.0-rc1-*"
+  },
+  "frameworks": {
+    "dnx451": {},
+    "dnxcore50": {
+      "dependencies": {
+      }
+    }
+  }
+}

samples/angular/MusicStore/Startup.cs

@@ -3,9 +3,7 @@ using System.Collections.Generic;
 using Microsoft.AspNet.Authorization;
 using Microsoft.AspNet.Builder;
 using Microsoft.AspNet.Hosting;
-using Microsoft.AspNet.Http;
 using Microsoft.AspNet.Identity.EntityFramework;
-using Microsoft.AspNet.Routing;
 using Microsoft.Data.Entity;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
@@ -125,61 +123,4 @@ namespace MusicStore
             });
         }
     }
-    internal static class SpaRouteExtensions {
-        private const string ClientRouteTokenName = "clientRoute";
-
-        public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, object defaults, object constraints = null, object dataTokens = null) {
-            MapSpaFallbackRoute(routeBuilder, name, /* templatePrefix */ (string)null, defaults, constraints, dataTokens);
-        }
-
-        public static void MapSpaFallbackRoute(this IRouteBuilder routeBuilder, string name, string templatePrefix, object defaults, object constraints = null, object dataTokens = null)
-        {
-            var template = CreateRouteTemplate(templatePrefix);
-
-            var constraintsDict = ObjectToDictionary(constraints);
-            constraintsDict.Add(ClientRouteTokenName, new SpaRouteConstraint());
-
-            routeBuilder.MapRoute(name, template, defaults, constraintsDict, dataTokens);
-        }
-
-        private static string CreateRouteTemplate(string templatePrefix)
-        {
-            templatePrefix = templatePrefix ?? string.Empty;
-
-            if (templatePrefix.Contains("?")) {
-                // TODO: Consider supporting this. The {*clientRoute} part should be added immediately before the '?'
-                throw new ArgumentException("SPA fallback route templates don't support querystrings");
-            }
-            
-            if (templatePrefix.Contains("#")) {
-                throw new ArgumentException("SPA fallback route templates should not include # characters. The hash part of a URI does not get sent to the server.");
-            }
-            
-            if (templatePrefix != string.Empty && !templatePrefix.EndsWith("/")) {
-                templatePrefix += "/";
-            }
-
-            return templatePrefix + $"{{*{ ClientRouteTokenName }}}";
-        }
-        
-        private static IDictionary<string, object> ObjectToDictionary(object value)
-        {
-            return value as IDictionary<string, object> ?? new RouteValueDictionary(value);
-        }
-
-        private class SpaRouteConstraint : IRouteConstraint
-        {
-            public bool Match(HttpContext httpContext, IRouter route, string routeKey, IDictionary<string, object> values, RouteDirection routeDirection)
-            {
-                var clientRouteValue = (values[ClientRouteTokenName] as string) ?? string.Empty;
-                return !HasDotInLastSegment(clientRouteValue);
-            }
-
-            private bool HasDotInLastSegment(string uri)
-            {
-                var lastSegmentStartPos = uri.LastIndexOf('/');
-                return uri.IndexOf('.', lastSegmentStartPos + 1) >= 0;
-            }
-        }
-    }
 }