EMS-ESP32/interface/src/components/FullScreenLoading.tsx

import React from 'react';
import CircularProgress from '@material-ui/core/CircularProgress';
import { Typography, Theme } from '@material-ui/core';
import { makeStyles, createStyles } from '@material-ui/styles';

const useStyles = makeStyles((theme: Theme) =>
  createStyles({
    fullScreenLoading: {
      padding: theme.spacing(2),
      display: 'flex',
      alignItems: 'center',
      justifyContent: 'center',
      height: '100vh',
      flexDirection: 'column'
    },
    progress: {
      margin: theme.spacing(4)
    }
  })
);

const FullScreenLoading = () => {
  const classes = useStyles();
  return (
    <div className={classes.fullScreenLoading}>
      <CircularProgress className={classes.progress} size={100} />
      <Typography variant="h4">Loading&hellip;</Typography>
    </div>
  );
};

export default FullScreenLoading;