Setup Mantine in Storybook

npx storybook@latest init

import type { StorybookConfig } from '@storybook/react-vite';

const config: StorybookConfig = {
  // ... other config properties
  addons: [
    // ... other addons
    '@storybook/addon-styling-webpack', // Add this line only if you are not using Vite
    'storybook-dark-mode',
  ],
};

export default config;

// src/theme.ts
import { createTheme } from '@mantine/core';

export const theme = createTheme({
  fontFamily: 'serif',
  // ... other theme override properties
});

// In your application

import { MantineProvider } from '@mantine/core';
import { theme } from './theme';

function App() {
  return <MantineProvider theme={theme}>{/* ... */}</MantineProvider>;
}

// Import styles of packages that you've installed.
// All packages except `@mantine/hooks` require styles imports
import '@mantine/core/styles.css';

import { useEffect } from 'react';
import { addons } from '@storybook/preview-api';
import { DARK_MODE_EVENT_NAME } from 'storybook-dark-mode';
import {
  MantineProvider,
  useMantineColorScheme,
} from '@mantine/core';
// theme.ts file from previous step
import { theme } from '../src/theme';

const channel = addons.getChannel();

function ColorSchemeWrapper({
  children,
}: {
  children: React.ReactNode;
}) {
  const { setColorScheme } = useMantineColorScheme();
  const handleColorScheme = (value: boolean) =>
    setColorScheme(value ? 'dark' : 'light');

  useEffect(() => {
    channel.on(DARK_MODE_EVENT_NAME, handleColorScheme);
    return () => channel.off(DARK_MODE_EVENT_NAME, handleColorScheme);
  }, [channel]);

  return <>{children}</>;
}

export const decorators = [
  (renderStory: any) => (
    <ColorSchemeWrapper>{renderStory()}</ColorSchemeWrapper>
  ),
  (renderStory: any) => (
    <MantineProvider theme={theme}>{renderStory()}</MantineProvider>
  ),
];

npm run storybook