React hooks and components for large data sets scrolling

React Scroller

A set of hooks, components and utilities for scrolling large datasets. Standalone components could be used as well as lower level hooks to achieve maximum flexibility.

Features

• Rendering only visible subset of data;
• Automatic scroll container resize;
• Lightweight;
• Fast

Scrollable list

import { ListScroller } from '@vadim-sartakov/react-scroller';

const TOTAL_ROWS = 1000;
const listValue = [...new Array(TOTAL_ROWS).keys()];

const element = (
  <ListScroller
    defaultRowHeight={40}
    totalRows={TOTAL_ROWS}
    value={listValue}
    height="100vh"
    overscroll={2}
    render={({ value, style }) => (
      <div style={style}>
        {value}
      </div>
    )}
  />
);

List scroller props

Prop	Type	Optional	Description
value	any[]		Array of values
totalRows	number		Total number of rows
defaultRowHeight	number		Default height of scroller cell
rowsSizes	number[]	Yes	Array of scroller cell heights
height	number, string		Scroller container height. Could be any valid css string
overscroll	number	Yes	Number of elements which should be rendered out of visible scroller container
RowComponent	React component	Yes	Custom row component for grid rows. Default is div.
rowComponentProps	Object	Yes	Props to pass to row component

Scrollable grid

import { GridScroller } from '@vadim-sartakov/react-scroller';

const TOTAL_ROWS = 1000;
const TOTAL_COLUMNS = 50;

// gridValue is a simple array of arrays
const gridValue = [...new Array(TOTAL_ROWS).keys()]
  .map(row => [...new Array(TOTAL_COLUMNS).keys()]);

const element = (
  <GridScroller
    defaultRowHeight={40}
    defaultColumnWidth={150}
    totalRows={TOTAL_ROWS}
    totalColumns={TOTAL_COLUMNS}
    value={gridValue}
    width="100%"
    height="100vh"
    overscroll={2}
    render={({ value, style }) => (
      <div style={style}>
        {value}
      </div>
    )}
  />
);

Grid scroller props

Prop	Type	Optional	Description
value	any[][]		Array of values
totalRows	number		Total number of rows
totalColumns	number	Yes	Total number of columns
defaultRowHeight	number		Default height of scroller cell
defaultColumnWidth	number	Yes	Default width of scroller cell
rowsSizes	number[]	Yes	Array of scroller cell heights
columnsSizes	number[]	Yes	Array of scroller cell widths
width	number, string	Yes	Scroller container width. Could be any valid css string
height	number, string		Scroller container height. Could be any valid css string
onScroll	Callback	Yes	On scroll callback
overscroll	number	Yes	Number of elements which should be rendered out of visible scroller container
RowComponent	React component	Yes	Custom row component for grid rows. Default is div.
rowComponentProps	Object	Yes	Props to pass to row component
CellComponent	React component		Cell component which will be rendered as scroller cell
cellComponentProps	Object	Yes	Props to pass to cell component