donphan/app/javascript/mastodon/components/column.js

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811 B
JavaScript
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import React from 'react';
import PropTypes from 'prop-types';
import scrollTop from '../scroll';
class Column extends React.PureComponent {
static propTypes = {
children: PropTypes.node,
};
scrollTop () {
const scrollable = this.node.querySelector('.scrollable');
if (!scrollable) {
return;
}
this._interruptScrollAnimation = scrollTop(scrollable);
}
handleWheel = () => {
if (typeof this._interruptScrollAnimation !== 'function') {
return;
}
this._interruptScrollAnimation();
}
setRef = c => {
this.node = c;
}
render () {
const { children } = this.props;
return (
<div role='region' className='column' ref={this.setRef} onWheel={this.handleWheel}>
{children}
</div>
);
}
}
export default Column;