element-plus/docs/examples/tree-select/lazy.vue
虞金攀 904aa0e21b
feat(components): add tree select component (#6843)
* feat(ElTreeSelect): add tree select base component

* refactor(ElTreeSelect): use render function and move select/tree props to them self module

* fix(ElTreeSelect): init value not checked

* fix(ElTreeSelect): `toArray` ignores valid values

* fix(ElTreeSelect): expose not working when defined on mounted

* fix(ElTreeSelect): watch `modelValue` deep

* test(ElTreeSelect): add base unit test

* perf(ElTreeSelect): default slot should be a function

* fix(ElTreeSelect): `onNodeClick` can not call,

* test(ElTreeSelect): update unit test

* fix(ElTreeSelect): `onNodeClick` can not call,

* fix(ElTreeSelect): remove folder node when `checkStrictly` is false

* feat(ElTreeSelect): export `ElTreeSelect`

* fix(ElTreeSelect): `filterMethod` conflicts with `filterNodeMethod`

* docs(ElTreeSelect): add component docs

* fix(ElTreeSelect): fix lint

* docs(ElTreeSelect): fix lazy loading requires non-leaf nodes, and change mock labels

* docs(ElTreeSelect): the link address of the attributes is incorrect

* docs(ElTreeSelect): `dropdown` doesn't need the `-` symbol

* refactor(ElTreeSelect): use alias path and make sure vue is above to components

* refactor(ElTreeSelect): use a unified namespace for styles

* docs(ElTreeSelect): change option labels in default slots

* refactor(ElTreeSelect): import `ElOption` using unified entry and change the way to override the select click event

* style(ElTreeSelect): sort imports

* docs(ElTreeSelect): update the documentation for special codes

* refactor(ElTreeSelect): keep it consistent with the select style

* refactor(ElTreeSelect): use `isFunction` from `@element-plus/utils`

* refactor(ElTreeSelect): use single closing tag when no subset

* docs(ElTreeSelect): set `TreeSelect` promotion as `2.1.8`
2022-04-02 15:15:33 +08:00

37 lines
575 B
Vue

<template>
<el-tree-select v-model="value" lazy :load="load" :props="props" />
</template>
<script lang="ts" setup>
import { ref } from 'vue'
const value = ref()
const props = {
label: 'label',
children: 'children',
isLeaf: 'isLeaf',
}
let id = 0
const load = (node, resolve) => {
if (node.isLeaf) return resolve([])
setTimeout(() => {
resolve([
{
value: ++id,
label: `lazy load node${id}`,
},
{
value: ++id,
label: `lazy load node${id}`,
isLeaf: true,
},
])
}, 400)
}
</script>
```