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infinite-react-scroll

A simple component for handling veeery long lists in React

It always renders only 2 pages (2 x size) to keep the list performant and loads more pages as you scroll up or down.

example

You can either run the example or copy the code below to your project.

To run the example:

cd examples
yarn install
yarn run dev

How to use:

import React, { useRef } from 'react'

import { InfiniteScroll } from 'infinite-react-scroll'

import './App.css'

type Todo = {
  id: number
  todo: string
  completed: boolean
  userId: number
}

const App = () => {
  const container = useRef<HTMLDivElement>(null)

  const handleFetchData = async (size: number, offset: number) => {
    const response = await fetch(`https://dummyjson.com/todos?skip=${offset}&limit=${size}`)
    const data = await response.json()
    return data.todos
  }

  const renderElement = (todo: Todo) => {
    return (
      <div key={todo.id}>
        <input type='checkbox' checked={todo.completed} />
        <span>{todo.todo}</span>
      </div>
    )
  }

  return (
    <div className='App'>
      <div className='InfiniteScroll' ref={container}>
        <InfiniteScroll
          containerRef={container}
          fetchData={handleFetchData}
          loaderComponent={<div>Loading...</div>}
          renderElement={renderElement}
          size={30}
        />
        </div>
    </div>
  )
}

export default App

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A simple component for handling veeery long lists in React

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