addons

Type: (string | { name: string; options?: AddonOptions })[]

Registers the addons loaded by Storybook.

For each addon's available options, see their respective documentation.

.storybook/main.ts

// 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)'],
  addons: [
    '@storybook/addon-essentials',
    {
      name: '@storybook/addon-styling-webpack',
      options: {
        rules: [
          {
            test: /\.css$/,
            use: [
              'style-loader',
              'css-loader',
              {
                loader: 'postcss-loader',
                options: {
                  implementation: require.resolve('postcss'),
                },
              },
            ],
          },
        ],
      },
    },
  ],
};
 
export default config;