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path: root/app/javascript/flavours/glitch/components/column_back_button_slim.js
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import React from 'react';
import { FormattedMessage } from 'react-intl';
import PropTypes from 'prop-types';
import Icon from 'flavours/glitch/components/icon';

export default class ColumnBackButtonSlim extends React.PureComponent {

  static contextTypes = {
    router: PropTypes.object,
  };

  handleClick = (event) => {
    // if history is exhausted, or we would leave mastodon, just go to root.
    if (window.history.state) {
      const state = this.context.router.history.location.state;
      if (event.shiftKey && state && state.mastodonBackSteps) {
        this.context.router.history.go(-state.mastodonBackSteps);
      } else {
        this.context.router.history.goBack();
      }
    } else {
      this.context.router.history.push('/');
    }
  };

  render () {
    return (
      <div className='column-back-button--slim'>
        <div role='button' tabIndex='0' onClick={this.handleClick} className='column-back-button column-back-button--slim-button'>
          <Icon id='chevron-left' className='column-back-button__icon' fixedWidth />
          <FormattedMessage id='column_back_button.label' defaultMessage='Back' />
        </div>
      </div>
    );
  }

}