storybook/docs/_snippets/storybook-main-webpack-options.md

export default {
  // Replace your-framework with the framework you are using (e.g., react-webpack5, vue3-vite)
  framework: '@storybook/your-framework',
  stories: ['../src/**/*.mdx', '../src/**/*.stories.@(js|jsx|mjs|ts|tsx)'],
  core: {
    builder: {
      name: '@storybook/builder-webpack5',
      options: {
        fsCache: true,
        lazyCompilation: true,
      },
    },
  },
};

// Replace your-framework with the framework you are using (e.g., react-webpack5, vue3-vite)
import type { StorybookConfig } from '@storybook/your-framework';

const config: StorybookConfig = {
  framework: '@storybook/your-framework',
  stories: ['../src/**/*.mdx', '../src/**/*.stories.@(js|jsx|mjs|ts|tsx)'],
  core: {
    builder: {
      name: '@storybook/builder-webpack5',
      options: {
        fsCache: true,
        lazyCompilation: true,
      },
    },
  },
};

export default config;