react-virtuoso

Introducing React Virtuoso

React Virtuoso stands out as a comprehensive collection of React virtualization components designed for rendering lists, tables, and grids with ease and flexibility. Below is a detailed overview of its features and capabilities.

Features at a Glance

• Variable Sized Items: React Virtuoso handles variable-sized items automatically, eliminating the need for manual measurements or hard-coded item heights.

• Chat UI Support: A bespoke message list component is available for chat applications, providing seamless control over scroll positions when messages are updated or submitted.

• Grouped Mode with Sticky Headers: Organize data effortlessly with support for grouped presentations complete with sticky headers which enhance the browsing and navigation experience.

• Responsive Grid Layout: Effortlessly manage grids with responsive columns, ensuring your items are beautifully displayed across various device sizes.

• Table Support: Integrate Virtuoso with HTML tables, enabling features like window scrolling, sticky headers, and columns. Compatibility with React Table and MUI Table ensures seamless integration.

• Automatic Content Resize Handling: React Virtuoso automatically adjusts to content size changes without the need for additional coding.

• Custom Headers, Footers, and Empty List Components: Personalize your application with custom header, footer, and empty list components to suit any project's needs.

• Pinned Top Items and Endless Scrolling: Keep important items always visible with pinned top items. Endless scrolling ensures that new items are always loaded without interruption.

• Scroll Management: Begin displaying from a specific item index and use methods to scroll to any index, enhancing user navigation through large datasets.

Getting Started

To start using React Virtuoso, install it using npm:

npm install react-virtuoso

Create a simple application by importing the Virtuoso component:

import * as React from 'react';
import * as ReactDOM from 'react-dom';
import { Virtuoso } from 'react-virtuoso';

const App = () => {
  return <Virtuoso style={{ height: '400px' }} totalCount={200} itemContent={index => <div>Item {index}</div>} />;
};

ReactDOM.render(<App />, document.getElementById('root'));

Key Components and Usage

Message List

Perfect for chat applications, the message list component provides efficient virtualization with a data management API to maintain user-friendly scrolling behaviors.

Grouped Mode

Render data in groups with specified item counts per group using GroupedVirtuoso. This component requires a groupContent property for rendering group headers.

Grid Layout

VirtuosoGrid enables displaying items of the same size in multiple columns, allowing CSS customization for responsive design adjustments.

Table Integration

TableVirtuoso facilitates seamless integration with HTML tables, including features tailored for React and MUI libraries.

Browser Support and Customization

React Virtuoso is customizable to fit your UI framework, supporting Material UI and sortable functionalities. For older browsers, a ResizeObserver Polyfill may be necessary.

Contribution and Development

Developers can contribute by running and expanding tests, using tools provided such as npm run test and npm run e2e for end-to-end testing. Debugging and previews are supported with a development server to streamline component examination.

React Virtuoso is shared under the MIT License, inviting developers to use and enhance its capabilities in their projects. For more information, including live demos and examples, visit the documentation website.