React renderMethod

public render(): React.ReactElement<IProps> {
  return (
      <div>
        {
          this.props.properties ? (
            <TooltipHost content={this.props.tooltipMessage || strings.message}
              id='pntp'
              calloutProps={{ gapSpace: 0 }}
              directionalHint={this.props.tooltipDirectional || DirectionalHint.leftTopEdge}>
              {componentHTML}
            </TooltipHost>
          ) : (
              <div>
                {componentHTML}
              </div>
            )
        }
       </div>
      )
}