ternary operator - read-edit mode toggle

  render() {
    const { familyInfo, readOnly, ...rest } = this.props;
    const flatFamilyInfo = this.flattenData(this.props.familyInfo);
    return readOnly ? (
      <ReadMode familyInfo={flatFamilyInfo} {...rest} />
    ) : (
      <FamilyFormEdit familyInfo={flatFamilyInfo} {...rest} />
    );
  }
}