metamask-extension/ui/pages/confirmation/components/confirmation-footer/confirmation-footer.js

import React from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';
import Button from '../../../../components/ui/button';

export default function ConfirmationFooter({
  onSubmit,
  onCancel,
  submitText,
  cancelText,
  loadingText,
  alerts,
  loading,
  submitAlerts,
}) {
  return (
    <div className="confirmation-footer">
      {alerts}
      {submitAlerts}
      <div className="confirmation-footer__actions">
        {onCancel ? (
          <Button type="secondary" onClick={onCancel}>
            {cancelText}
          </Button>
        ) : null}
        <Button
          disabled={Boolean(loading)}
          type="primary"
          onClick={onSubmit}
          className={classnames({
            centered: !onCancel,
          })}
        >
          {loading ? loadingText : submitText}
        </Button>
      </div>
    </div>
  );
}

ConfirmationFooter.propTypes = {
  alerts: PropTypes.node,
  onCancel: PropTypes.func,
  cancelText: PropTypes.string,
  onSubmit: PropTypes.func.isRequired,
  submitText: PropTypes.string.isRequired,
  loadingText: PropTypes.string,
  loading: PropTypes.bool,
  submitAlerts: PropTypes.node,
};