[changed] Preserve forward slashes in URL params

This is helpful when using * to match fs-like paths.

modules/helpers/Path.js

@@ -88,7 +88,8 @@ var Path = {
         'Missing "' + paramName + '" parameter for path "' + pattern + '"'
       );
 
-      return URL.encode(params[paramName]);
+      // Preserve forward slashes.
+      return String(params[paramName]).split('/').map(URL.encode).join('/');
     });
   },
 

specs/Path.spec.js

@@ -144,6 +144,12 @@ describe('Path.injectParams', function () {
         expect(Path.injectParams(pattern, { id: 'one, two' })).toEqual('comments/one%2C+two/edit');
       });
     });
+
+    describe('and a param has a forward slash', function () {
+      it('preserves the forward slash', function () {
+        expect(Path.injectParams(pattern, { id: 'the/id' })).toEqual('comments/the/id/edit');
+      });
+    });
   });
 });