# Presets

## Shared

By default, certain Next.js internals are automatically shared to optimize your application.
It's important to note that manually sharing these internals can lead to errors, as they are already handled for you.

- `next/dynamic`
- `next/head`
- `next/link`
- `next/router`
- `next/script`
- `react`
- `react/`
- `react-dom`
- `react-dom/`
- `styled-jsx`
- `styled-jsx/style`

<details>
<summary> Click to Expand `DEFAULT_SHARE_SCOPE`:</summary>

```ts
export const DEFAULT_SHARE_SCOPE: SharedObject = {
  'next/dynamic': {
    requiredVersion: undefined,
    singleton: true,
    import: undefined,
  },
  'next/head': {
    requiredVersion: undefined,
    singleton: true,
    import: undefined,
  },
  'next/link': {
    requiredVersion: undefined,
    singleton: true,
    import: undefined,
  },
  'next/router': {
    requiredVersion: false,
    singleton: true,
    import: undefined,
  },
  'next/image': {
    requiredVersion: undefined,
    singleton: true,
    import: undefined,
  },
  'next/script': {
    requiredVersion: undefined,
    singleton: true,
    import: undefined,
  },
  react: {
    singleton: true,
    requiredVersion: false,
    import: false,
  },
  'react/': {
    singleton: true,
    requiredVersion: false,
    import: false,
  },
  'react-dom/': {
    singleton: true,
    requiredVersion: false,
    import: false,
  },
  'react-dom': {
    singleton: true,
    requiredVersion: false,
    import: false,
  },
  'react/jsx-dev-runtime': {
    singleton: true,
    requiredVersion: false,
  },
  'react/jsx-runtime': {
    singleton: true,
    requiredVersion: false,
  },
  'styled-jsx': {
    singleton: true,
    import: undefined,
    version: require('styled-jsx/package.json').version,
    requiredVersion: '^' + require('styled-jsx/package.json').version,
  },
  'styled-jsx/style': {
    singleton: true,
    import: false,
    version: require('styled-jsx/package.json').version,
    requiredVersion: '^' + require('styled-jsx/package.json').version,
  },
  'styled-jsx/css': {
    singleton: true,
    import: undefined,
    version: require('styled-jsx/package.json').version,
    requiredVersion: '^' + require('styled-jsx/package.json').version,
  },
};
```
</details>

## Expose Pages

You can automatically expose all pages via the plugin

```javascript
new NextFederationPlugin({
  name: 'remoteApp',
  filename: '',
  remotes: {},
  exposes: {},
  shared: {},
  extraOptions: {
    exposePages: true
  },
});
```

This will make pages available to import like:

- `import Page from 'remoteApp/pages/index'`
- `import Page from 'remoteApp/pages/shop/product'`

## Build Options
### Public Path

Public Path is set to "auto"

`config.output.publicPath: "auto"`

### Target

Webpack output target is set to `async-node` from `node`

`config.target = "async-node"`