accounts-frontend/packages/app/components/auth/login/LoginBody.tsx

import React from 'react';
import { defineMessages } from 'react-intl';

import { Input } from 'app/components/ui/form';
import BaseAuthBody from 'app/components/auth/BaseAuthBody';
import { User } from 'app/components/user/reducer';

const messages = defineMessages({
    emailOrUsername: 'E‑mail or username',
});

export default class LoginBody extends BaseAuthBody {
    static displayName = 'LoginBody';
    static panelId = 'login';
    static hasGoBack = (state: { user: User }) => {
        return !state.user.isGuest;
    };

    autoFocusField = 'login';

    render() {
        return (
            <div>
                {this.renderErrors()}

                <Input {...this.bindField('login')} icon="envelope" required placeholder={messages.emailOrUsername} />
            </div>
        );
    }
}