Revert 18e9e49, only ask to close window if user has changed something

(closes #1507)
facebook · Aug 5, 2024 · 695d7f2 · 695d7f2
1 parent 1753174
commit 695d7f2
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/modules/core/EditSystem.js b/modules/core/EditSystem.js
@@ -135,9 +135,11 @@ export class EditSystem extends AbstractSystem {
 
         // Setup event handlers
         window.addEventListener('beforeunload', e => {
-          e.preventDefault();
-          this.saveBackup();
-          return (e.returnValue = '');  // show browser prompt
+          if (this._history.length > 1) {  // user did something
+            e.preventDefault();
+            this.saveBackup();
+            return (e.returnValue = '');  // show browser prompt
+          }
         });
 
         window.addEventListener('unload', () => this._mutex.unlock());