refactor championship changed update check

js/championship.js

@@ -24,6 +24,13 @@ export default class Championship {
     }
   }
 
+  static get nextChanged() {
+    if (Championship.last?.day != Championship.next?.day || Championship.last?.time != Championship.next?.time) {
+      Championship.last = Championship.next
+      return true
+    }
+  }
+
   static firstTimeOnDay(day) {
     return Math.min(...Object.keys(Data.championships[day]))
   }

js/sso-timer.js

@@ -1,3 +1,6 @@
 import UI from './ui.js'
+import Championship from './championship.js'
+
+window.Championship = Championship
 
 window.addEventListener('load', UI.init)

js/ui.js

@@ -40,8 +40,7 @@ export default class UI {
 
     let next = Championship.next
 
-    if (Championship.last != next) {
-      Championship.last = next
+    if (Championship.nextChanged) {
       this.updateChampionshipDetails(next)
       this.updateChampionshipTable(next)
     }