From f20636ad47e46249d4e344c43cceda2ac5d17d9a Mon Sep 17 00:00:00 2001
From: Yuchao Wu <yuchao.sydneyuni@gmail.com>
Date: Sun, 11 Aug 2024 22:12:22 +1000
Subject: [PATCH] refactor(VList): make itemType optional in useListItems

fixes #19476
---
 packages/vuetify/src/components/VList/VList.tsx   | 6 +++---
 packages/vuetify/src/labs/VTreeview/VTreeview.tsx | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/packages/vuetify/src/components/VList/VList.tsx b/packages/vuetify/src/components/VList/VList.tsx
index fd1d33d9f38..f5c492fd9eb 100644
--- a/packages/vuetify/src/components/VList/VList.tsx
+++ b/packages/vuetify/src/components/VList/VList.tsx
@@ -38,7 +38,7 @@ function isPrimitive (value: unknown): value is string | number | boolean {
   return typeof value === 'string' || typeof value === 'number' || typeof value === 'boolean'
 }
 
-function transformItem (props: ItemProps & { itemType: string }, item: any): InternalListItem {
+function transformItem (props: ItemProps & { itemType?: string }, item: any): InternalListItem {
   const type = getPropertyFromItem(item, props.itemType, 'item')
   const title = isPrimitive(item) ? item : getPropertyFromItem(item, props.itemTitle)
   const value = getPropertyFromItem(item, props.itemValue, undefined)
@@ -63,7 +63,7 @@ function transformItem (props: ItemProps & { itemType: string }, item: any): Int
   }
 }
 
-function transformItems (props: ItemProps & { itemType: string }, items: (string | object)[]) {
+function transformItems (props: ItemProps & { itemType?: string }, items: (string | object)[]) {
   const array: InternalListItem[] = []
 
   for (const item of items) {
@@ -73,7 +73,7 @@ function transformItems (props: ItemProps & { itemType: string }, items: (string
   return array
 }
 
-export function useListItems (props: ItemProps & { itemType: string }) {
+export function useListItems (props: ItemProps & { itemType?: string }) {
   const items = computed(() => transformItems(props, props.items))
 
   return { items }
diff --git a/packages/vuetify/src/labs/VTreeview/VTreeview.tsx b/packages/vuetify/src/labs/VTreeview/VTreeview.tsx
index f6d3560039e..ca69507ce99 100644
--- a/packages/vuetify/src/labs/VTreeview/VTreeview.tsx
+++ b/packages/vuetify/src/labs/VTreeview/VTreeview.tsx
@@ -35,7 +35,7 @@ export const makeVTreeviewProps = propsFactory({
     collapseIcon: '$treeviewCollapse',
     expandIcon: '$treeviewExpand',
     slim: true,
-  }), ['nav']),
+  }), ['itemType', 'nav']),
 }, 'VTreeview')
 
 export const VTreeview = genericComponent<new <T>(