fix(core polyfills):‌ Pass a destination object with a url property a…

…long with the navigate event.

src/core/polyfills.js

@@ -44,19 +44,25 @@
         // attach events on it.
         window.navigation = document.createElement("div");
 
+        const create_event = (args) => {
+            event = new CustomEvent("navigate");
+            event.destination = { url: args[2] };
+            return event;
+        };
+
         // Patch pushState to trigger an `navigate` event on the navigation
         // object when the URL changes.
         const pushState = window.history.pushState;
         window.history.pushState = function () {
             pushState.apply(window.history, arguments);
-            window.navigation.dispatchEvent(new Event("navigate"));
+            window.navigation.dispatchEvent(create_event(arguments));
         };
 
         // Same with replaceState
         const replaceState = window.history.replaceState;
         window.history.replaceState = function () {
             replaceState.apply(window.history, arguments);
-            window.navigation.dispatchEvent(new Event("navigate"));
+            window.navigation.dispatchEvent(create_event(arguments));
         };
     }
 })();