Forked from OrganicPanda/hacky-scrollbar-resize-listener.js
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July 22, 2019 09:28
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A sham that will throw a window resize event even when scrollbars are added/removed (this is not something the standard window resize event does). Tested in IE9+, Chrome & Firefox latest.
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| /** | |
| * A drop-in component to listen for resizes or scroll-bar show/hide | |
| * | |
| * Based on https://gist.github.com/OrganicPanda/8222636 | |
| */ | |
| import React from 'react' | |
| var ScrollBarAdapter = React.createClass({ | |
| onResize() { | |
| if (this.props.onResize) { | |
| this.props.onResize(); | |
| return; | |
| } | |
| try { | |
| var evt = new UIEvent('resize'); | |
| window.dispatchEvent(evt); | |
| } catch(e) {} | |
| }, | |
| componentDidMount() { | |
| this.refs.frame.contentWindow.addEventListener('resize', this.onResize, false); | |
| }, | |
| componentWillUnmount() { | |
| this.refs.frame.contentWindow.removeEventListener('resize', this.onResize); | |
| }, | |
| render(){ | |
| var styles = { | |
| height: 0, | |
| margin: 0, | |
| padding: 0, | |
| overflow: "hidden", | |
| borderWidth: 0, | |
| position: "absolute", | |
| backgroundColor: "transparent", | |
| width: "100%" | |
| }; | |
| return ( | |
| <iframe classNames="ScrollBarAdapter" ref="frame" style={styles} /> | |
| ); | |
| } | |
| }); | |
| module.exports = ScrollBarAdapter; |
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Very nice! I've adapted this as a React hook https://gist.github.com/curran/0e30c621fe4fc612bf7feb0938a68e4d