multi-downloader-nx_mirror/gui/react/src/index.tsx

import React from 'react';
import { createRoot } from 'react-dom/client';
import App from './App';
import ServiceProvider from './provider/ServiceProvider';
import Style from './Style';
import MessageChannel from './provider/MessageChannel';
import { Box, IconButton } from '@mui/material';
import { CloseOutlined } from '@mui/icons-material';
import { SnackbarProvider, SnackbarKey } from 'notistack';
import Store from './provider/Store';
import ErrorHandler from './provider/ErrorHandler';
import QueueProvider from './provider/QueueProvider';

document.body.style.backgroundColor = 'rgb(0, 30, 60)';
document.body.style.display = 'flex';
document.body.style.justifyContent = 'center';

const notistackRef = React.createRef<SnackbarProvider>();
const onClickDismiss = (key: SnackbarKey | undefined) => () => { 
  if (notistackRef.current)
    notistackRef.current.closeSnackbar(key);
};

const container = document.getElementById('root');
const root = createRoot(container as HTMLElement);
root.render(
  <ErrorHandler>
    <Store>
      <SnackbarProvider
        ref={notistackRef}
        action={(key) => (
          <IconButton onClick={onClickDismiss(key)} color="inherit">
            <CloseOutlined />
          </IconButton>
        )}
      >
        <Style>
          <MessageChannel>
            <ServiceProvider>
              <QueueProvider>
                <Box>
                  <App />
                </Box>
              </QueueProvider>
            </ServiceProvider>
          </MessageChannel>
        </Style>
      </SnackbarProvider>
    </Store>
  </ErrorHandler>
);