metamask-extension/ui/pages/send/send-content/send-row-wrapper/send-row-error-message/send-row-error-message.component.js

import React, { Component } from 'react';
import PropTypes from 'prop-types';
import classnames from 'classnames';

export default class SendRowErrorMessage extends Component {
  static propTypes = {
    errors: PropTypes.object,
    errorType: PropTypes.string,
  };

  static contextTypes = {
    t: PropTypes.func,
  };

  render() {
    const { errors, errorType } = this.props;

    const errorMessage = errors[errorType];

    return errorMessage ? (
      <div
        className={classnames('send-v2__error', {
          'send-v2__error-amount': errorType === 'amount',
        })}
      >
        {this.context.t(errorMessage)}
      </div>
    ) : null;
  }
}