<!-- src/components/Login -->
import React, { Component } from "react";
import { Push } from "@progress/kendo-react-animation";
import { Dialog, DialogActionsBar } from "@progress/kendo-react-dialogs";
class Login extends Component {
  constructor(props) {
    super(props);
    this.state = {
      email: "",
      password: "",
      show: true,
      visibleDialog: false
    };
    this.handleEmailChange = this.handleEmailChange.bind(this);
    this.handlePasswordChange = this.handlePasswordChange.bind(this);
    this.loginUser = this.loginUser.bind(this);
    this.toggleDialog = this.toggleDialog.bind(this);
  }
  ...
}