content: import { useTheme as useThemeWithoutDefault } from '@material-ui/styles';
  import React from 'react';
  import defaultTheme from './defaultTheme';
  export default function useTheme() {
    const theme = useThemeWithoutDefault() || defaultTheme;
  
    if (process.env.NODE_ENV !== 'production') {
      // eslint-disable-next-line react-hooks/rules-of-hooks
      React.useDebugValue(theme);
    }
  
    return theme;
  }