Misago/frontend/src/components/page-lead.js

import React from 'react';
import stringCount from 'misago/utils/string-count';

export default class extends React.Component {
  getClassName() {
    if (this.props.copy && this.props.copy.length) {
      if (stringCount(this.props.copy, '<p') === 1 && this.props.copy.indexOf('<br') === -1) {
        return 'page-lead lead';
      }
    }

    return 'page-lead';
  }

  render() {
    if (this.props.copy && this.props.copy.length) {
      /* jshint ignore:start */
      return <div className={this.getClassName()} dangerouslySetInnerHTML={{
        __html: this.props.copy
      }} />;
      /* jshint ignore:end */
    } else {
      return null;
    }
  }
}