Lazylist-react NPM

lazylist-react

Please understand before using

This is a lazy loading component based on intersectionObserver.The child elements under this component render one by default, and When the rendered subcomponent appears in the view, it continues to render the next one, and so on. Each child element is wrapped in a layer of warpTag, You can define its type. The version of react must be greater than or equal to 16.8. Because the component form is hooks.

Install

npm install --save lazylist-react
// or
yarn add lazylist-react

Props

attribute	value	type	describe
className		string	the classname of container
tag	`default`: div	string	the nodetype of container
renderCount	`default`: 1	number	Number of DOMS per rendering
threshold	`default`:0	number	Rendered elements will continue to render at this scale in the viewport
root	`default`:`window`	HTMLElement	View
warpTag	`default`:div	HTMLElement	A label that wraps each child element
renderCallback		(containerInfo,containerVdom,index) => void	Callback function with standard rendering quantity
equalityCheckLimit	`default:100`	number	Limit for equality check of children keys

Usage

import React from 'react'
import LazyList from 'lazylist-react'

const Example = () => {
  const data = [
  {
    title:'列表1',
    img:'http://xxxx',
    component:<Item title='列表1'/>
  },
  {
    title:'列表2',
    img:'http://xxxx',
    component:<Item title='列表2'/>
  },
  {
    title:'列表3',
    img:'http://xxxx',
    component:<Item title='列表3'/>
  },
]
  return(
    <LazyList>
      {
        data.map(info => {
          return(
            <div>
              <h3>{info.title}</h3>
              <img src={info.img}/>
              {info.component}
            </div>
          )
        })
      }
    </LazyList>
  )
}