update

src/cache.js

@@ -39,7 +39,7 @@ class Cache {
                     resolve(null);
                 } else if(target_version===res.version) { // hit
                     console.log('cache hit');
-                    res.last_access=+new Date();
+                    res.last_access=(+new Date());
                     store.put(res);
                     resolve(res.data);
                 } else { // expired
@@ -97,4 +97,8 @@ class Cache {
     }
 };
 
-export let cache=new Cache();
+export function cache() {
+    if(!window._cache)
+        window._cache=new Cache();
+    return window._cache;
+}

src/flows_api.js

@@ -27,7 +27,7 @@ export const API={
                     else throw new Error(JSON.stringify(json));
                 }
 
-                cache.put(pid,cache_version,json);
+                cache().put(pid,cache_version,json);
 
                 // also change load_replies_with_cache!
                 json.data=json.data
@@ -46,7 +46,7 @@ export const API={
 
     load_replies_with_cache: (pid,token,color_picker,cache_version)=> {
         pid=parseInt(pid);
-        return cache.get(pid,cache_version)
+        return cache().get(pid,cache_version)
             .then((json)=>{
                 if(json) {
                     // also change load_replies!

src/index.js

@@ -2,16 +2,10 @@ import React from 'react';
 import ReactDOM from 'react-dom';
 import './index.css';
 import App from './App';
+//import {elevate} from './infrastructure/elevator';
 //import registerServiceWorker from './registerServiceWorker';
 
-if(window.location.search.indexOf('user_token=')!==-1)
-    window.history.replaceState({},'?','?');
+//elevate();
 
 ReactDOM.render(<App />, document.getElementById('root'));
 //registerServiceWorker();
-if(navigator.serviceWorker && navigator.serviceWorker.getRegistrations)
-    navigator.serviceWorker.getRegistrations()
-        .then(function(registrations) {
-            for(let registration of registrations) {
-                registration.unregister();
-        }});