fix: set is dirty false if empty string to show the placeholder

jcjp · jcjp · commit 3c9b2e39c6f8 · 2025-09-06T23:25:07.000+08:00
diff --git a/packages/vuetify/src/components/VCombobox/VCombobox.tsx b/packages/vuetify/src/components/VCombobox/VCombobox.tsx
@@ -477,7 +477,8 @@ export const VCombobox = genericComponent<new <
         slots['append-item'] ||
         slots['no-data']
       )
-      const isDirty = model.value.length > 0
+      const isEmptyString = model.value.length === 1 && model.value[0].value === ''
+      const isDirty = model.value.length > 0 && !isEmptyString
       const textFieldProps = VTextField.filterProps(props)
 
       return (

Original file line number	Diff line number	Diff line change
`@@ -477,7 +477,8 @@ export const VCombobox = genericComponent<new <`
`477`	`477`	`slots['append-item'] \|\|`
`478`	`478`	`slots['no-data']`
`479`	`479`	`)`
`480`		`- const isDirty = model.value.length > 0`
	`480`	`+ const isEmptyString = model.value.length === 1 && model.value[0].value === ''`
	`481`	`+ const isDirty = model.value.length > 0 && !isEmptyString`
`481`	`482`	`const textFieldProps = VTextField.filterProps(props)`
`482`	`483`
`483`	`484`	`return (`