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* 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
66 lines
1.1 KiB
Vue
66 lines
1.1 KiB
Vue
<template>
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<el-tree
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:props="props"
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:load="loadNode"
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lazy
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show-checkbox
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@check-change="handleCheckChange"
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/>
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</template>
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<script lang="ts" setup>
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import type Node from 'element-plus/es/components/tree/src/model/node'
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let count = 1
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interface Tree {
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name: string
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}
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const props = {
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label: 'name',
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children: 'zones',
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}
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const handleCheckChange = (
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data: Tree,
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checked: boolean,
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indeterminate: boolean
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) => {
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console.log(data, checked, indeterminate)
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}
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const loadNode = (node: Node, resolve: (data: Tree[]) => void) => {
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if (node.level === 0) {
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return resolve([{ name: 'Root1' }, { name: 'Root2' }])
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}
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if (node.level > 3) return resolve([])
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let hasChild = false
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if (node.data.name === 'region1') {
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hasChild = true
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} else if (node.data.name === 'region2') {
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hasChild = false
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} else {
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hasChild = Math.random() > 0.5
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}
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setTimeout(() => {
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let data: Tree[] = []
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if (hasChild) {
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data = [
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{
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name: `zone${count++}`,
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},
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{
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name: `zone${count++}`,
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},
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]
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} else {
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data = []
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}
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resolve(data)
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}, 500)
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}
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</script>
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