@mui/material/styles/useTheme.js

Material UI is an open-source React component library that implements Google's Material Design. It's comprehensive and can be used in production out of the box.

'use client';

import * as React from 'react';
import { useTheme as useThemeSystem } from '@mui/system';
import defaultTheme from './defaultTheme';
import THEME_ID from './identifier';
export default function useTheme() {
  const theme = useThemeSystem(defaultTheme);
  if (process.env.NODE_ENV !== 'production') {
    // eslint-disable-next-line react-hooks/rules-of-hooks
    React.useDebugValue(theme);
  }
  return theme[THEME_ID] || theme;
}