65 lines
2.0 KiB
JavaScript
65 lines
2.0 KiB
JavaScript
import PropTypes from 'prop-types';
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import { PureComponent } from 'react';
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import { createPortal } from 'react-dom';
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import { FormattedMessage } from 'react-intl';
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import { Icon } from 'mastodon/components/icon';
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export default class ColumnBackButton extends PureComponent {
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static contextTypes = {
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router: PropTypes.object,
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};
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static propTypes = {
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multiColumn: PropTypes.bool,
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onClick: PropTypes.func,
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};
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handleClick = () => {
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const { router } = this.context;
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const { onClick } = this.props;
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if (onClick) {
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onClick();
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// Check if there is a previous page in the app to go back to per https://stackoverflow.com/a/70532858/9703201
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// When upgrading to V6, check `location.key !== 'default'` instead per https://github.com/remix-run/history/blob/main/docs/api-reference.md#location
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} else if (router.route.location.key) {
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router.history.goBack();
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} else {
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router.history.push('/');
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}
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};
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render () {
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const { multiColumn } = this.props;
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const component = (
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<button onClick={this.handleClick} className='column-back-button'>
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<Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
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<FormattedMessage id='column_back_button.label' defaultMessage='Back' />
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</button>
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);
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if (multiColumn) {
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return component;
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} else {
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// The portal container and the component may be rendered to the DOM in
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// the same React render pass, so the container might not be available at
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// the time `render()` is called.
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const container = document.getElementById('tabs-bar__portal');
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if (container === null) {
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// The container wasn't available, force a re-render so that the
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// component can eventually be inserted in the container and not scroll
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// with the rest of the area.
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this.forceUpdate();
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return component;
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} else {
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return createPortal(component, container);
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}
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}
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}
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}
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