# rc-resize-observer [![NPM version][npm-image]][npm-url] [![dumi](https://img.shields.io/badge/docs%20by-dumi-blue?style=flat-square)](https://github.com/umijs/dumi) [![build status][github-actions-image]][github-actions-url] [![Codecov][codecov-image]][codecov-url] [![npm download][download-image]][download-url] [npm-image]: http://img.shields.io/npm/v/rc-resize-observer.svg?style=flat-square [npm-url]: http://npmjs.org/package/rc-resize-observer [github-actions-image]: https://github.com/react-component/resize-observer/workflows/CI/badge.svg [github-actions-url]: https://github.com/react-component/resize-observer/actions [codecov-image]: https://img.shields.io/codecov/c/github/react-component/resize-observer/master.svg?style=flat-square [codecov-url]: https://codecov.io/gh/react-component/resize-observer/branch/master [download-image]: https://img.shields.io/npm/dm/rc-resize-observer.svg?style=flat-square [download-url]: https://npmjs.org/package/rc-resize-observer Resize observer for React. ## Live Demo https://react-component.github.io/resize-observer/ ## Install [![rc-resize-observer](https://nodei.co/npm/rc-resize-observer.png)](https://npmjs.org/package/rc-resize-observer) ## Usage ```js import ResizeObserver from 'rc-resize-observer'; import { render } from 'react-dom'; render( { console.log('resized!'); }} >