element-plus/docs/examples/tree-v2/custom-node.vue
C.Y.Kun 575835a2f8
docs(components): use script setup replace defineComponent (#4849)
* docs(components): use `script setup` replace `defineComponent`

* docs(components): use setup sugar simplify `checkbox` demo

* docs(components): use setup sugar simplify `collapse` demo

* docs(components): use setup sugar simplify `color-picker` demo

* docs(components): use setup sugar simplify `config-provider` demo

* docs(components): use setup sugar simplify `container` demo

* docs(components): use setup sugar simplify `date-picker` demo

* docs(components): use setup sugar simplify `datetime-picker` demo

* docs(components): use setup sugar simplify `dialog` demo

* docs(components): use setup sugar simplify `drawer` demo

* docs(components): use setup sugar simplify `dropdown` demo

* docs(components): use setup sugar simplify `image` demo

* docs(components): use setup sugar simplify `infinite-scroll` demo

* docs(components): use setup sugar simplify `input-number` demo

* docs(components): use setup sugar simplify `loading` demo

* docs(components): use setup sugar simplify `menu` demo

* docs(components): use setup sugar simplify `message` demo

* docs(components): use setup sugar simplify `message-box` demo

* docs(components): use setup sugar simplify `notification` demo

* docs(components): use setup sugar simplify `page-header` demo

* docs(components): use setup sugar simplify `pagination` demo

* docs(components): use setup sugar simplify `popover` demo

* docs(components): use setup sugar simplify `progress` demo

* docs(components): use setup sugar simplify `radio` demo

* docs(components): use setup sugar simplify `rate` demo

* docs(components): use setup sugar simplify `scrollbar` demo

* docs(components): use setup sugar simplify `select` demo

* docs(components): use setup sugar simplify `select-v2` demo

* docs(components): use setup sugar simplify `skeleton` demo

* docs(components): use setup sugar simplify `slider` demo

* docs(components): use setup sugar simplify `space` demo

* docs(components): use setup sugar simplify `step` demo

* docs(components): use setup sugar simplify `switch` demo

* docs(components): use setup sugar simplify `tabs` demo

* docs(components): use setup sugar simplify `tag` demo

* docs(components): use setup sugar simplify `time-picker` demo

* docs(components): use setup sugar simplify `time-select` demo

* docs(components): use setup sugar simplify `timeline` demo

* docs(components): use setup sugar simplify `tooltip` demo

* docs(components): use setup sugar simplify `transfer` demo

* docs(components): use setup sugar simplify `transition` demo

* docs(components): use setup sugar simplify `tree` demo

* docs(components): use setup sugar simplify `table` demo

* docs(components): Escape character

* docs(components): use setup sugar simplify `tree-v2` demo

* docs(components): use setup sugar simplify `upload` demo

* docs(components): use `ref` to replace `reactive`

* docs(ci): use `playground` to replace `codepen`

* docs(ci): change icon from `codepen`  to `ep`

* docs(components): `sass` to `css`

* fix(components): add button CssVar

* docs(ci): change `Edit in Codepen.io` to `Edit in Playground`

* docs(ci): add vitepress i18
2021-12-21 15:51:33 +08:00

61 lines
1.2 KiB
Vue

<template>
<el-tree-v2 :data="data" :props="props" :height="208">
<template #default="{ node }">
<span class="prefix" :class="{ 'is-leaf': node.isLeaf }"
>[ElementPlus]</span
>
<span>{{ node.label }}</span>
</template>
</el-tree-v2>
</template>
<script lang="ts" setup>
interface Tree {
id: string
label: string
children?: Tree[]
}
const getKey = (prefix: string, id: number) => {
return `${prefix}-${id}`
}
const createData = (
maxDeep: number,
maxChildren: number,
minNodesNumber: number,
deep = 1,
key = 'node'
): Tree[] => {
let id = 0
return new Array(minNodesNumber).fill(deep).map(() => {
const childrenNumber =
deep === maxDeep ? 0 : Math.round(Math.random() * maxChildren)
const nodeKey = getKey(key, ++id)
return {
id: nodeKey,
label: nodeKey,
children: childrenNumber
? createData(maxDeep, maxChildren, childrenNumber, deep + 1, nodeKey)
: undefined,
}
})
}
const props = {
value: 'id',
label: 'label',
children: 'children',
}
const data = createData(4, 30, 40)
</script>
<style scoped>
.prefix {
color: var(--el-color-primary);
margin-right: 10px;
}
.prefix.is-leaf {
color: var(--el-color-success);
}
</style>