virtual-list

A mini and zero dependency virtual list library. Just for practice, do NOT recommend using in prod env.

Installation

npm i @pkjy/virtual-list

Usage & API

Constructor

• new VirtualList(options)
  • data: the content of list.Need an Array.
  • selector: the target element for the list. Defaults to body.
  • height: the height for the virtual list ViewPort. Defaults to 150.
  • itemHeight: the height for the virtual list component. Defaults to 15.

Methods

• instance.push(data) Push new content to the VirtualList.

Event

• todo: callback when scroll happens

Example

import { VirtualList } from '@pkjy/virtual-list'

const data = [...new Array(1000000).keys()]

const instance = new VirtualList({ data, selector: '#app', height: 300, itemHeight: 30  })

let idx = 0
setInterval(() => {
  instance.push(`------ new line ${idx} ------`)
  idx++
}, 2000)

License

MIT.