> **Version 8** — **React** / **TypeScript**
> Also available:
- `?language=js` for JavaScript
- `?codeOnly=true` for code snippets only
- other versions: Version 10.3 (latest) (`/docs/api/main-config/main-config-addons.md`), Version 9 (`/docs/9/api/main-config/main-config-addons.md`)

# addons

Parent: [main.js|ts configuration](./main-config.mdx)

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

Registers the [addons](../../addons/install-addons.mdx) loaded by Storybook.

For each addon's available options, see their respective [documentation](https://storybook.js.org/integrations).

```ts
// .storybook/main.ts
// Replace your-framework with the framework you are using (e.g., react-webpack5, vue3-vite)

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;
```