InputGroupButton.js

import React from 'react';
import PropTypes from 'prop-types';
import Button from './Button';
import InputGroupAddon from './InputGroupAddon';
import { warnOnce } from './utils';

const propTypes = {
  tag: PropTypes.oneOfType([PropTypes.func, PropTypes.string]),
  addonType: PropTypes.oneOf(['prepend', 'append']).isRequired,
  children: PropTypes.node,
  groupClassName: PropTypes.string,
  groupAttributes: PropTypes.object,
  className: PropTypes.string,
  cssModule: PropTypes.object,
};

const InputGroupButton = (props) => {
  warnOnce('The "InputGroupButton" component has been deprecated.\nPlease use component "InputGroupAddon".');

  let {
    children,
    groupClassName,
    groupAttributes,
    ...propsWithoutGroup
  } = props;

  if (typeof children === 'string') {
    let {
      cssModule,
      tag,
      addonType,
      ...attributes
    } = propsWithoutGroup;

    const allGroupAttributes = {
      ...groupAttributes,
      cssModule,
      tag,
      addonType
    };

    return (
      <InputGroupAddon {...allGroupAttributes} className={groupClassName}>
        <Button {...attributes} children={children} />
      </InputGroupAddon>
    );
  }

  return (
    <InputGroupAddon {...props} children={children} />
  );
};

InputGroupButton.propTypes = propTypes;

export default InputGroupButton;