nyastodon/app/javascript/mastodon/components/column_back_button.js
2017-08-01 13:20:29 -07:00

29 lines
862 B
JavaScript

import React from 'react';
import { FormattedMessage } from 'react-intl';
import PropTypes from 'prop-types';
export default class ColumnBackButton extends React.PureComponent {
static contextTypes = {
router: PropTypes.object,
};
handleClick = () => {
// if history is exhausted, or we would leave mastodon, just go to root.
if (window.history && (window.history.length === 1 || window.history.length === window._mastoInitialHistoryLen)) {
this.context.router.history.push('/');
} else {
this.context.router.history.goBack();
}
}
render () {
return (
<button onClick={this.handleClick} className='column-back-button'>
<i className='fa fa-fw fa-chevron-left column-back-button__icon' />
<FormattedMessage id='column_back_button.label' defaultMessage='Back' />
</button>
);
}
}