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.

View Demo View Github

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>
    )}
  />
);
JavaScript

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>
    )}
  />
);
JavaScript

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