fix TypeError — on accessing a component instance while unmounting (T1327953)

GoodDayForSurf · GoodDayForSurf · commit e35bc56b3e8f · 2026-05-07T19:19:41.000+02:00
diff --git a/packages/devextreme-react/src/core/options-manager.ts b/packages/devextreme-react/src/core/options-manager.ts
@@ -167,7 +167,7 @@ class OptionsManager {
         && e.value instanceof Object
         && shallowEquals(value as Record<string, unknown>, e.value as Record<string, unknown>);
 
-      if (valuesAreEqual || valuesAreEqualObjects || this.instance.skipOptionsRollBack) {
+      if (valuesAreEqual || valuesAreEqualObjects || this.instance?.skipOptionsRollBack) {
         return;
       }
 

Original file line number	Diff line number	Diff line change
`@@ -167,7 +167,7 @@ class OptionsManager {`
`167`	`167`	`&& e.value instanceof Object`
`168`	`168`	`&& shallowEquals(value as Record<string, unknown>, e.value as Record<string, unknown>);`
`169`	`169`
`170`		`- if (valuesAreEqual \|\| valuesAreEqualObjects \|\| this.instance.skipOptionsRollBack) {`
	`170`	`+ if (valuesAreEqual \|\| valuesAreEqualObjects \|\| this.instance?.skipOptionsRollBack) {`
`171`	`171`	`return;`
`172`	`172`	`}`
`173`	`173`