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fix(VTreeview): automatically expand filtered items' ancestors #22367

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39b5953
fix(VTreeview): automatically expand filtered items' ancestors
prestonyford Nov 24, 2025
5c2ee6e
style(VTreeview): add missing trailing comma
prestonyford Nov 25, 2025
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19 changes: 18 additions & 1 deletion packages/vuetify/src/components/VTreeview/VTreeview.tsx
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import { makeFilterProps, useFilter } from '@/composables/filter'
import { useProxiedModel } from '@/composables/proxiedModel'

// Utilities
import { computed, provide, ref, toRaw, toRef } from 'vue'
import { computed, provide, ref, toRaw, toRef, watch } from 'vue'
import { genericComponent, omit, propsFactory, useRender } from '@/util'

// Types
Expand Down Expand Up @@ -103,6 +103,23 @@ export const VTreeview = genericComponent<new <T>(
}))
})

watch(filteredItems, val => {
if (!search.value) return
const getPath = vListRef.value?.getPath
if (!getPath) return
const filteredItemsAncestors = val.flatMap(item => {
const itemVal = props.returnObject ? item.raw : item.props.value
return getPath(itemVal).slice(0, -1)
})
const newOpened = new Set([
...opened.value,
...filteredItemsAncestors,
])
if (opened.value.length !== newOpened.size) {
emit('update:opened', [...newOpened])
}
})

function getChildren (id: unknown) {
const arr: unknown[] = []
const queue = ((vListRef.value?.children.get(id) ?? []).slice())
Expand Down