使用法
ツリーコンポーネントを使用して、アイテムの階層構造を表示します。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template>アイテム
itemsプロパティを次のプロパティを持つオブジェクトの配列として使用します。
icon?: stringlabel?: stringtrailingIcon?: stringdefaultExpanded?: booleandisabled?: booleanslot?: stringchildren?: TreeItem[]onToggle?: (e: TreeItemToggleEvent<TreeItem>) => voidonSelect?: (e: TreeItemSelectEvent<TreeItem>) => voidclass?: anyui?: { item?: ClassNameValue, itemWithChildren?: ClassNameValue, link?: ClassNameValue, linkLeadingIcon?: ClassNameValue, linkLabel?: ClassNameValue, linkTrailing?: ClassNameValue, linkTrailingIcon?: ClassNameValue, listWithChildren?: ClassNameValue }
get-keyが指定されていない場合、コンポーネントはlabelプロパティを識別子として使用します。理想的には、一意の識別子を返すためにget-key関数プロパティを提供するべきです。あるいは、labelKeyプロパティを使用して、一意の識別子として使用するプロパティを指定することもできます。<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :items="items" />
</template>複数
multipleプロパティを使用して複数の項目を選択できます。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree multiple :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree multiple :items="items" />
</template>ネストbadge{label="4.1+" class="align-text-top"}
nestedプロパティを使用して、ツリーをネスト構造でレンダリングするか、フラットリストとしてレンダリングするかを制御します。デフォルトはtrueです。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :nested="false" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree :nested="false" :items="items" />
</template>Color
colorプロパティを使用してツリーの色を変更します。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree color="neutral" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree color="neutral" :items="items" />
</template>サイズ
sizeプロパティを使用してツリーのサイズを変更します。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree size="xl" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree size="xl" :items="items" />
</template>Trailingアイコン
trailing-iconプロパティを使用して、親ノードの末尾のIconをカスタマイズします。デフォルトはi-lucide-chevron-downです。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
trailingIcon: 'i-lucide-chevron-down',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree trailing-icon="i-lucide-arrow-down" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
trailingIcon: 'i-lucide-chevron-down',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree trailing-icon="i-lucide-arrow-down" :items="items" />
</template>拡張アイコン
expanded-iconとcollapsed-iconのプロップを使用して、親ノードが展開または折りたたまれたときのアイコンをカスタマイズします。デフォルトはそれぞれi-lucide-folder-openとi-lucide-folderです。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree expanded-icon="i-lucide-book-open" collapsed-icon="i-lucide-book" :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree expanded-icon="i-lucide-book-open" collapsed-icon="i-lucide-book" :items="items" />
</template>無効
disabledプロパティを使用して、ツリーとのユーザーインタラクションを防止します。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app',
icon: 'i-lucide-folder',
defaultExpanded: true,
children: [
{
label: 'composables',
icon: 'i-lucide-folder',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components',
icon: 'i-lucide-folder',
children: [
{
label: 'Home',
icon: 'i-lucide-folder',
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree disabled :items="items" />
</template><script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = ref<TreeItem[]>([
{
label: 'app',
icon: 'i-lucide-folder',
defaultExpanded: true,
children: [
{
label: 'composables',
icon: 'i-lucide-folder',
children: [
{
label: 'useAuth.ts',
icon: 'i-vscode-icons-file-type-typescript'
},
{
label: 'useUser.ts',
icon: 'i-vscode-icons-file-type-typescript'
}
]
},
{
label: 'components',
icon: 'i-lucide-folder',
children: [
{
label: 'Home',
icon: 'i-lucide-folder',
children: [
{
label: 'Card.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'Button.vue',
icon: 'i-vscode-icons-file-type-vue'
}
]
}
]
}
]
},
{
label: 'app.vue',
icon: 'i-vscode-icons-file-type-vue'
},
{
label: 'nuxt.config.ts',
icon: 'i-vscode-icons-file-type-nuxt'
}
])
</script>
<template>
<UTree disabled :items="items" />
</template>item.disabledを使用して個々の項目を無効にできます。例
選択項目の制御
default-valueプロパティまたはv-modelディレクティブを使用して、選択されたアイテムを制御できます。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
const value = ref()
</script>
<template>
<UTree v-model="value" :items="items" />
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
const value = ref()
</script>
<template>
<UTree v-model="value" :items="items" />
</template>
get-keyプロパティを使用して、v-modelまたはdefault-valueが指定されたときに各アイテムから一意のキーを取得する関数を変更します。項目が選択されないようにしたい場合は、item.onSelect()プロパティまたはグローバルselectイベントを使用できます。
<script setup lang="ts">
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
onSelect: (e: Event) => {
e.preventDefault()
},
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree :items="items" @select="onSelect" />
</template>
Control展開項目
展開された項目は、default-expandedプロパティまたはv-modelディレクティブを使用して制御できます。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
id: 'app',
children: [
{
label: 'composables/',
id: 'app/composables',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
id: 'app/components',
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', id: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', id: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
const expanded = ref(['app', 'app/composables'])
</script>
<template>
<UTree v-model:expanded="expanded" :items="items" :get-key="i => i.id" />
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
id: 'app',
children: [
{
label: 'composables/',
id: 'app/composables',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
id: 'app/components',
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', id: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', id: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
const expanded = ref(['app', 'app/composables'])
</script>
<template>
<UTree v-model:expanded="expanded" :items="items" :get-key="i => i.id" />
</template>
アイテムが展開されないようにしたい場合は、item.onToggle()プロパティまたはグローバルtoggleイベントを使用できます。
<script setup lang="ts">
import type { TreeItemToggleEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
onToggle: (e: Event) => {
e.preventDefault()
},
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
]
function onToggle(e: TreeItemToggleEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'keydown') {
e.preventDefault()
}
}
</script>
<template>
<UTree :items="items" @toggle="onToggle" />
</template>
項目にチェックボックスをつけてください:badge{label="4.1+" class="align-text-top"}
item-leadingスロットを使用して、Checkboxをアイテムに追加できます。multiple、propagate-select、bubble-selectプロパティを使用して、親子関係を持つ複数選択を有効にし、selectとtoggleイベントを使用してアイテムの選択状態と展開状態を制御します。
- app/
- composables/
- components/
- Card.vue
- Button.vue
- app.vue
- nuxt.config.ts
<script setup lang="ts">
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts' },
{ label: 'useUser.ts' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue' },
{ label: 'Button.vue' }
]
}
]
},
{ label: 'app.vue' },
{ label: 'nuxt.config.ts' }
]
const value = ref<(typeof items)>([])
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree
v-model="value"
:as="{ link: 'div' }"
:items="items"
multiple
propagate-select
bubble-select
@select="onSelect"
>
<template #item-leading="{ selected, indeterminate, handleSelect }">
<UCheckbox
:model-value="indeterminate ? 'indeterminate' : selected"
tabindex="-1"
@change="handleSelect"
@click.stop
/>
</template>
</UTree>
</template>
<script setup lang="ts">
import { ref } from 'vue'
import type { TreeItemSelectEvent } from 'reka-ui'
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = [
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts' },
{ label: 'useUser.ts' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue' },
{ label: 'Button.vue' }
]
}
]
},
{ label: 'app.vue' },
{ label: 'nuxt.config.ts' }
]
const value = ref<(typeof items)>([])
function onSelect(e: TreeItemSelectEvent<TreeItem>) {
if (e.detail.originalEvent.type === 'click') {
e.preventDefault()
}
}
</script>
<template>
<UTree
v-model="value"
:as="{ link: 'div' }"
:items="items"
multiple
propagate-select
bubble-select
@select="onSelect"
>
<template #item-leading="{ selected, indeterminate, handleSelect }">
<UCheckbox
:model-value="indeterminate ? 'indeterminate' : selected"
tabindex="-1"
@change="handleSelect"
@click.stop
/>
</template>
</UTree>
</template>
ドラッグアンドドロップでbadge{label="4.1+" class="align-text-top"}
[@vueuse/integrationshttps://vueuse.org/integrations/README.html)から構成可能なを使用して、ツリー上でドラッグ&ドロップ機能を有効にします。この統合はSortable.jsをラップし、シームレスなドラッグ&ドロップ体験を提供します。
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
import { useSortable } from '@vueuse/integrations/useSortable'
const items = shallowRef<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
])
function flatten(
items: TreeItem[],
parent = items
): { item: TreeItem; parent: TreeItem[]; index: number }[] {
return items.flatMap((item, index) => [
{ item, parent, index },
...(item.children?.length && item.defaultExpanded ? flatten(item.children, item.children) : [])
])
}
function moveItem(oldIndex: number, newIndex: number) {
if (oldIndex === newIndex) return
const flat = flatten(items.value)
const source = flat[oldIndex]
const target = flat[newIndex]
if (!source || !target) return
const [moved] = source.parent.splice(source.index, 1)
if (!moved) return
const updatedFlat = flatten(items.value)
const updatedTarget = updatedFlat.find(({ item }) => item === target.item)
if (!updatedTarget) return
const insertIndex = oldIndex < newIndex ? updatedTarget.index + 1 : updatedTarget.index
updatedTarget.parent.splice(insertIndex, 0, moved)
}
const tree = useTemplateRef<HTMLElement>('tree')
useSortable(tree, items, {
animation: 150,
ghostClass: 'opacity-50',
onUpdate: (e: any) => moveItem(e.oldIndex, e.newIndex)
})
</script>
<template>
<UTree ref="tree" :nested="false" :unmount-on-hide="false" :items="items" />
</template><script setup lang="ts">
import { shallowRef, useTemplateRef } from 'vue'
import type { TreeItem } from '@nuxt/ui'
import { useSortable } from '@vueuse/integrations/useSortable'
const items = shallowRef<TreeItem[]>([
{
label: 'app/',
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
])
function flatten(
items: TreeItem[],
parent = items
): { item: TreeItem; parent: TreeItem[]; index: number }[] {
return items.flatMap((item, index) => [
{ item, parent, index },
...(item.children?.length && item.defaultExpanded ? flatten(item.children, item.children) : [])
])
}
function moveItem(oldIndex: number, newIndex: number) {
if (oldIndex === newIndex) return
const flat = flatten(items.value)
const source = flat[oldIndex]
const target = flat[newIndex]
if (!source || !target) return
const [moved] = source.parent.splice(source.index, 1)
if (!moved) return
const updatedFlat = flatten(items.value)
const updatedTarget = updatedFlat.find(({ item }) => item === target.item)
if (!updatedTarget) return
const insertIndex = oldIndex < newIndex ? updatedTarget.index + 1 : updatedTarget.index
updatedTarget.parent.splice(insertIndex, 0, moved)
}
const tree = useTemplateRef<HTMLElement>('tree')
useSortable(tree, items, {
animation: 150,
ghostClass: 'opacity-50',
onUpdate: (e: any) => moveItem(e.oldIndex, e.newIndex)
})
</script>
<template>
<UTree ref="tree" :nested="false" :unmount-on-hide="false" :items="items" />
</template>nestedプロパティをfalseに設定し、アイテムをドラッグ&ドロップできるようにします。仮想化badge{label="4.1+" class="align-text-top"}
virtualizeプロパティを使用して、大きなリストをブール値または{ estimateSize: 32, overscan: 12 }のようなオプションを持つオブジェクトとして仮想化できます。
nestedプロパティをfalseに設定するのと同様に、ツリー構造はフラット化されます。<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items: TreeItem[] = Array(1000)
.fill(0)
.map((_, i) => ({
label: `Item ${i + 1}`,
children: [
{ label: `Child ${i + 1}-1`, icon: 'i-lucide-file' },
{ label: `Child ${i + 1}-2`, icon: 'i-lucide-file' }
]
}))
</script>
<template>
<UTree virtualize :items="items" class="h-80" />
</template>カスタムスロット付き
slotプロパティを使用して、特定のアイテムをカスタマイズします。
以下のスロットにアクセスできます:
#{{ item.slot }}-wrapper#{{ item.slot }}#{{ item.slot }}-leading#{{ item.slot }}-label#{{ item.slot }}-trailing
<script setup lang="ts">
import type { TreeItem } from '@nuxt/ui'
const items = [
{
label: 'app/',
slot: 'app' as const,
defaultExpanded: true,
children: [
{
label: 'composables/',
children: [
{ label: 'useAuth.ts', icon: 'i-vscode-icons-file-type-typescript' },
{ label: 'useUser.ts', icon: 'i-vscode-icons-file-type-typescript' }
]
},
{
label: 'components/',
defaultExpanded: true,
children: [
{ label: 'Card.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'Button.vue', icon: 'i-vscode-icons-file-type-vue' }
]
}
]
},
{ label: 'app.vue', icon: 'i-vscode-icons-file-type-vue' },
{ label: 'nuxt.config.ts', icon: 'i-vscode-icons-file-type-nuxt' }
] satisfies TreeItem[]
</script>
<template>
<UTree :items="items">
<template #app="{ item }">
<p class="italic font-bold">
{{ item.label }}
</p>
</template>
</UTree>
</template>
API
Props
| Prop | Default | Type |
|---|---|---|
as | 'ul' | anyThe element or component this component should render as. |
color | 'primary' | "primary" | "secondary" | "success" | "info" | "warning" | "error" | "neutral" |
size | 'md' | "md" | "xs" | "sm" | "lg" | "xl" |
getKey | (val: T[number]): stringThis function is passed the index of each item and should return a unique key for that item | |
labelKey | 'label' | keyof Extract<NestedItem<T>, object> & string | DotPathKeys<Extract<NestedItem<T>, object>>The key used to get the label from the item. |
trailingIcon | appConfig.ui.icons.chevronDown | anyThe icon displayed on the right side of a parent node. |
expandedIcon | appConfig.ui.icons.folderOpen | anyThe icon displayed when a parent node is expanded. |
collapsedIcon | appConfig.ui.icons.folder | anyThe icon displayed when a parent node is collapsed. |
items | T | |
modelValue | M extends true ? T[number][] : T[number]The controlled value of the Tree. Can be bind as | |
defaultValue | M extends true ? T[number][] : T[number]The value of the Tree when initially rendered. Use when you do not need to control the state of the Tree. | |
multiple | MWhether multiple options can be selected or not. | |
nested | true | boolean Use nested DOM structure (children inside parents) vs flattened structure (all items at same level).
When |
virtualize | false | boolean | { overscan?: number ; estimateSize?: number | ((index: number) => number) | undefined; } | undefinedEnable virtualization for large lists.
Note: when enabled, the tree structure is flattened like if |
onSelect | (e: SelectEvent<T[number]>, item: T[number]): void | |
onToggle | (e: ToggleEvent<T[number]>, item: T[number]): void | |
expanded | string[]The controlled value of the expanded item. Can be binded with | |
defaultExpanded | string[]The value of the expanded tree when initially rendered. Use when you do not need to control the state of the expanded tree | |
selectionBehavior | "replace" | "toggle"How multiple selection should behave in the collection. | |
propagateSelect | boolean When | |
disabled | boolean When | |
bubbleSelect | boolean When | |
ui | { root?: SlotClass; item?: SlotClass; listWithChildren?: SlotClass; itemWithChildren?: SlotClass; link?: SlotClass; linkLeadingIcon?: SlotClass; linkLabel?: SlotClass; linkTrailing?: SlotClass; linkTrailingIcon?: SlotClass; } |
スロット
| Slot | Type |
|---|---|
item-wrapper | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-leading | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-label | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
item-trailing | { item: T[number]; index: number; level: number; expanded: boolean; selected: boolean; indeterminate: boolean | undefined; handleSelect: () => void; handleToggle: () => void; ui: object; } |
Emits
| Event | Type |
|---|---|
update:modelValue | [val: M extends true ? T[number][] : T[number]] |
update:expanded | [val: string[]] |
Theme
export default defineAppConfig({
ui: {
tree: {
slots: {
root: 'relative isolate',
item: 'w-full',
listWithChildren: 'border-s border-default',
itemWithChildren: 'ps-1.5 -ms-px',
link: 'relative group w-full flex items-center text-sm select-none before:absolute before:inset-y-px before:inset-x-0 before:z-[-1] before:rounded-md focus:outline-none focus-visible:outline-none focus-visible:before:outline-3',
linkLeadingIcon: 'shrink-0 relative',
linkLabel: 'truncate',
linkTrailing: 'ms-auto inline-flex gap-1.5 items-center',
linkTrailingIcon: 'shrink-0 transform transition-transform duration-200 ease-out motion-reduce:transition-none group-data-expanded:rotate-180'
},
variants: {
virtualize: {
true: {
root: 'overflow-y-auto'
}
},
color: {
primary: {
link: 'before:outline-primary/25'
},
secondary: {
link: 'before:outline-secondary/25'
},
success: {
link: 'before:outline-success/25'
},
info: {
link: 'before:outline-info/25'
},
warning: {
link: 'before:outline-warning/25'
},
error: {
link: 'before:outline-error/25'
},
neutral: {
link: 'before:outline-inverted/25'
}
},
size: {
xs: {
listWithChildren: 'ms-4',
link: 'px-2 py-1 text-xs gap-1',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
sm: {
listWithChildren: 'ms-4.5',
link: 'px-2.5 py-1.5 text-xs gap-1.5',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
md: {
listWithChildren: 'ms-5',
link: 'px-2.5 py-1.5 text-sm gap-1.5',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
lg: {
listWithChildren: 'ms-5.5',
link: 'px-3 py-2 text-sm gap-2',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
xl: {
listWithChildren: 'ms-6',
link: 'px-3 py-2 text-base gap-2',
linkLeadingIcon: 'size-6',
linkTrailingIcon: 'size-6'
}
},
selected: {
true: {
link: 'before:bg-elevated'
}
},
disabled: {
true: {
link: 'cursor-not-allowed opacity-75'
}
}
},
compoundVariants: [
{
color: 'primary',
selected: true,
class: {
link: 'text-primary'
}
},
{
color: 'neutral',
selected: true,
class: {
link: 'text-highlighted'
}
},
{
selected: false,
disabled: false,
class: {
link: [
'hover:text-highlighted hover:before:bg-elevated/50',
'transition-colors before:transition-colors'
]
}
}
],
defaultVariants: {
color: 'primary',
size: 'md'
}
}
}
})import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import ui from '@nuxt/ui/vite'
export default defineConfig({
plugins: [
vue(),
ui({
ui: {
tree: {
slots: {
root: 'relative isolate',
item: 'w-full',
listWithChildren: 'border-s border-default',
itemWithChildren: 'ps-1.5 -ms-px',
link: 'relative group w-full flex items-center text-sm select-none before:absolute before:inset-y-px before:inset-x-0 before:z-[-1] before:rounded-md focus:outline-none focus-visible:outline-none focus-visible:before:outline-3',
linkLeadingIcon: 'shrink-0 relative',
linkLabel: 'truncate',
linkTrailing: 'ms-auto inline-flex gap-1.5 items-center',
linkTrailingIcon: 'shrink-0 transform transition-transform duration-200 ease-out motion-reduce:transition-none group-data-expanded:rotate-180'
},
variants: {
virtualize: {
true: {
root: 'overflow-y-auto'
}
},
color: {
primary: {
link: 'before:outline-primary/25'
},
secondary: {
link: 'before:outline-secondary/25'
},
success: {
link: 'before:outline-success/25'
},
info: {
link: 'before:outline-info/25'
},
warning: {
link: 'before:outline-warning/25'
},
error: {
link: 'before:outline-error/25'
},
neutral: {
link: 'before:outline-inverted/25'
}
},
size: {
xs: {
listWithChildren: 'ms-4',
link: 'px-2 py-1 text-xs gap-1',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
sm: {
listWithChildren: 'ms-4.5',
link: 'px-2.5 py-1.5 text-xs gap-1.5',
linkLeadingIcon: 'size-4',
linkTrailingIcon: 'size-4'
},
md: {
listWithChildren: 'ms-5',
link: 'px-2.5 py-1.5 text-sm gap-1.5',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
lg: {
listWithChildren: 'ms-5.5',
link: 'px-3 py-2 text-sm gap-2',
linkLeadingIcon: 'size-5',
linkTrailingIcon: 'size-5'
},
xl: {
listWithChildren: 'ms-6',
link: 'px-3 py-2 text-base gap-2',
linkLeadingIcon: 'size-6',
linkTrailingIcon: 'size-6'
}
},
selected: {
true: {
link: 'before:bg-elevated'
}
},
disabled: {
true: {
link: 'cursor-not-allowed opacity-75'
}
}
},
compoundVariants: [
{
color: 'primary',
selected: true,
class: {
link: 'text-primary'
}
},
{
color: 'neutral',
selected: true,
class: {
link: 'text-highlighted'
}
},
{
selected: false,
disabled: false,
class: {
link: [
'hover:text-highlighted hover:before:bg-elevated/50',
'transition-colors before:transition-colors'
]
}
}
],
defaultVariants: {
color: 'primary',
size: 'md'
}
}
}
})
]
})