@material-ui/core/es/styles/createMuiStrictModeTheme.js

React components that implement Google's Material Design.

import { deepmerge } from '@material-ui/utils';
import createMuiTheme from './createMuiTheme';
export default function createMuiStrictModeTheme(options, ...args) {
  return createMuiTheme(deepmerge({
    unstable_strictMode: true
  }, options), ...args);
}