center decorator

storybook.config.js

import React from "react";
import { configure, addDecorator } from "@storybook/react";
import styled from "styled-components";
import { MemoryRouter } from "react-router-dom";
import { ThemeService } from "services/theme";

const Center = styled.div`
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  width: 100vw;
`;

addDecorator(story => (
  <MemoryRouter>
    <ThemeService>
      <Center>{story()}</Center>
    </ThemeService>
  </MemoryRouter>
));