element-plus/docs/examples/cascader/dynamic-loading.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

23 lines
517 B
Vue

<template>
<el-cascader :props="props" />
</template>
<script lang="ts" setup>
let id = 0
const props = {
lazy: true,
lazyLoad(node, resolve) {
const { level } = node
setTimeout(() => {
const nodes = Array.from({ length: level + 1 }).map((item) => ({
value: ++id,
label: `Option - ${id}`,
leaf: level >= 2,
}))
// Invoke `resolve` callback to return the child nodes data and indicate the loading is finished.
resolve(nodes)
}, 1000)
},
}
</script>