fix(VDataTable): reactive items from expanded with return-object

J-Sek · J-Sek · commit 5d7af2c5c5ac · 2026-03-18T12:42:37.000+01:00
fixes #22189
diff --git a/packages/vuetify/src/components/VDataTable/composables/expand.ts b/packages/vuetify/src/components/VDataTable/composables/expand.ts
@@ -48,7 +48,7 @@ export function provideExpanded (props: ExpandProps) {
       const item = [...expanded.value].find(x => toRaw(x) === rawValue)!
       newExpanded.delete(item)
     } else {
-      newExpanded.add(rawValue)
+      newExpanded.add(item.value)
     }
 
     expanded.value = newExpanded

Original file line number	Diff line number	Diff line change
`@@ -48,7 +48,7 @@ export function provideExpanded (props: ExpandProps) {`
`48`	`48`	`const item = [...expanded.value].find(x => toRaw(x) === rawValue)!`
`49`	`49`	`newExpanded.delete(item)`
`50`	`50`	`} else {`
`51`		`- newExpanded.add(rawValue)`
	`51`	`+ newExpanded.add(item.value)`
`52`	`52`	`}`
`53`	`53`
`54`	`54`	`expanded.value = newExpanded`