[added] Ability to transitionTo absolute URLs

Author: mjackson

modules/actions/LocationActions.js

@@ -1,6 +1,11 @@
 var LocationDispatcher = require('../dispatchers/LocationDispatcher');
+var isAbsoluteURL = require('../utils/isAbsoluteURL');
 var makePath = require('../utils/makePath');
 
+function loadURL(url) {
+  window.location = url;
+}
+
 /**
  * Actions that modify the URL.
  */
@@ -16,21 +21,29 @@ var LocationActions = {
    * a new URL onto the history stack.
    */
   transitionTo: function (to, params, query) {
-    LocationDispatcher.handleViewAction({
-      type: LocationActions.PUSH,
-      path: makePath(to, params, query)
-    });
+    if (isAbsoluteURL(to)) {
+      loadURL(to);
+    } else {
+      LocationDispatcher.handleViewAction({
+        type: LocationActions.PUSH,
+        path: makePath(to, params, query)
+      });
+    }
   },
 
   /**
    * Transitions to the URL specified in the arguments by replacing
    * the current URL in the history stack.
    */
   replaceWith: function (to, params, query) {
-    LocationDispatcher.handleViewAction({
-      type: LocationActions.REPLACE,
-      path: makePath(to, params, query)
-    });
+    if (isAbsoluteURL(to)) {
+      loadURL(to);
+    } else {
+      LocationDispatcher.handleViewAction({
+        type: LocationActions.REPLACE,
+        path: makePath(to, params, query)
+      });
+    }
   },
 
   /**

modules/utils/isAbsoluteURL.js

@@ -0,0 +1,11 @@
+var ABSOLUTE_URL_FORMAT = /^https?:\/\//;
+
+/**
+ * Returns true if the given string contains an absolute URL
+ * according to http://tools.ietf.org/html/rfc3986#page-27.
+ */
+function isAbsoluteURL(string) {
+  return typeof string === 'string' && ABSOLUTE_URL_FORMAT.test(string);
+}
+
+module.exports = isAbsoluteURL;