issueish-badge.js

import React from 'react';
import PropTypes from 'prop-types';
import cx from 'classnames';

import Octicon from '../atom/octicon';

const typeAndStateToIcon = {
  Issue: {
    OPEN: 'issue-opened',
    CLOSED: 'issue-closed',
  },
  PullRequest: {
    OPEN: 'git-pull-request',
    CLOSED: 'git-pull-request',
    MERGED: 'git-merge',
  },
};

export default class IssueishBadge extends React.Component {
  static propTypes = {
    type: PropTypes.oneOf([
      'Issue', 'PullRequest', 'Unknown',
    ]).isRequired,
    state: PropTypes.oneOf([
      'OPEN', 'CLOSED', 'MERGED', 'UNKNOWN',
    ]).isRequired,
  }

  render() {
    const {type, state, ...others} = this.props;
    const icons = typeAndStateToIcon[type] || {};
    const icon = icons[state] || 'question';

    const {className, ...otherProps} = others;
    return (
      <span className={cx(className, 'github-IssueishBadge', state.toLowerCase())} {...otherProps}>
        <Octicon icon={icon} />
        {state.toLowerCase()}
      </span>
    );
  }
}