revert

Author: ENvironmentSet

core/src/activity-utils/makeActivitiesReducer.ts

@@ -26,7 +26,7 @@ export function makeActivitiesReducer({
      */
     Pushed(activities: Activity[], event: PushedEvent): Activity[] {
       const isTransitionDone =
-        (resumedAt ?? event.eventDate) + transitionDuration <= now;
+        now - (resumedAt ?? event.eventDate) >= transitionDuration;
 
       const transitionState: ActivityTransitionState =
         event.skipEnterActiveState || isTransitionDone
@@ -47,7 +47,7 @@ export function makeActivitiesReducer({
      */
     Replaced(activities: Activity[], event: ReplacedEvent): Activity[] {
       const isTransitionDone =
-        (resumedAt ?? event.eventDate) + transitionDuration <= now;
+        now - (resumedAt ?? event.eventDate) >= transitionDuration;
 
       const reservedIndex = findNewActivityIndex(activities, event);
 

core/src/activity-utils/makeActivityReducer.ts

@@ -37,8 +37,8 @@ export function makeActivityReducer(context: {
      */
     Popped: (activity: Activity, event: PoppedEvent): Activity => {
       const isTransitionDone =
-        (context.resumedAt ?? event.eventDate) + context.transitionDuration <=
-        context.now;
+        context.now - (context.resumedAt ?? event.eventDate) >=
+        context.transitionDuration;
 
       const transitionState: ActivityTransitionState =
         event.skipExitActiveState || isTransitionDone