@mui/system/esm/useTheme/useTheme.js

MUI System is a set of CSS utilities to help you build custom designs more efficiently. It makes it possible to rapidly lay out custom designs.

'use client';

import createTheme from "../createTheme/index.js";
import useThemeWithoutDefault from "../useThemeWithoutDefault/index.js";
export const systemDefaultTheme = createTheme();
function useTheme(defaultTheme = systemDefaultTheme) {
  return useThemeWithoutDefault(defaultTheme);
}
export default useTheme;