wb.js: preserve anchor in location redirect

update CHANGELIST

Author: ikreymer

CHANGES.rst

@@ -1,6 +1,8 @@
 pywb 0.6.6 changelist
 ~~~~~~~~~~~~~~~~~~~~~
 
+* JS client side improvements: check for double-inits, preserve anchor in wb.js top location redirect
+
 * JS Rewriters: add mixins for link + location (default), link only, location only rewriting by setting ``js_rewrite_location`` to ``all``, ``urls``, ``location``, respectively.
 
   (New: location only rewriting does not change JS urls)

pywb/static/wb.js

@@ -129,11 +129,13 @@ this.load = function() {
 
     if ((window.self == window.top) && wbinfo) {
 
+        var hash = window.location.hash;
+
         var loc = window.location.href.replace(window.location.hash, "");
 
         if (wbinfo.top_url && (loc != wbinfo.top_url) && wbinfo.mod != "bn_") {
             // Auto-redirect to top frame
-            window.location.replace(wbinfo.top_url);
+            window.location.replace(wbinfo.top_url + hash);
         } else {
             // Init Banner (no frame or top frame)
             add_event("readystatechange", init_banner, document);