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virtualized-select

v0.0.9

Published

A virtualized select component for Vue2

Downloads

23

Readme

VirtualizedSelect

Vue2.x component for virtualized select

使用VxeTable的虚拟列表实现的虚拟下拉框,近似实现Element-Select功能

Install

npm install virtualized-select

Update

更新日志

Usage

import VirtualizedSelect from 'virtualized-select'
import 'virtualized-select/dist/virtualized-select.css'

Vue.use(VirtualizedSelect)

Example

<template>
  <div>
    <virtualized-select
      v-model="value"
      :options="list"
    />
  </div>
</template>

<script>
export default {
  data() {
    return {
      value: '',
      list: new Array(10000 * 5).fill().map((_, index) => ({
        label: index.toString(),
        value: index
      })),
      // 更推荐如下写法,使用Object.freeze冻结数据,因为大多数情况下,下拉列表并不需要响应式
      // 如果需要修改原始数据,可以直接赋值修改
      freezeList: Object.freeze(new Array(10000 * 5).fill().map((_, index) => ({
        label: index.toString(),
        value: index
      })))
    }
  }
}
</script>

Performance

可自行加载 src/assets 下的火焰图进行对比

冻结前 冻结前

冻结后 冻结后

TODO

  • [ ] size
  • [ ] 支持创建不存在的值
  • [x] ~~支持对象做值,类似el-select传入value-key~~