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# import/no-internal-modules
Use this rule to prevent importing the submodules of other modules.
## Rule Details
This rule has two mutally exclusive options that are arrays of [minimatch/glob patterns](https://github.com/isaacs/node-glob#glob-primer) patterns:
- `allow` that include paths and import statements that can be imported with reaching.
- `forbid` that exclude paths and import statements that can be imported with reaching.
### Examples
Given the following folder structure:
```
my-project
├── actions
│ └── getUser.js
│ └── updateUser.js
├── reducer
│ └── index.js
│ └── user.js
├── redux
│ └── index.js
│ └── configureStore.js
└── app
│ └── index.js
│ └── settings.js
└── entry.js
```
And the .eslintrc file:
```
{
...
"rules": {
"import/no-internal-modules": [ "error", {
"allow": [ "**/actions/*", "source-map-support/*" ],
} ]
}
}
```
The following patterns are considered problems:
```js
/**
* in my-project/entry.js
*/
import { settings } from './app/index'; // Reaching to "./app/index" is not allowed
import userReducer from './reducer/user'; // Reaching to "./reducer/user" is not allowed
import configureStore from './redux/configureStore'; // Reaching to "./redux/configureStore" is not allowed
export { settings } from './app/index'; // Reaching to "./app/index" is not allowed
export * from './reducer/user'; // Reaching to "./reducer/user" is not allowed
```
The following patterns are NOT considered problems:
```js
/**
* in my-project/entry.js
*/
import 'source-map-support/register';
import { settings } from '../app';
import getUser from '../actions/getUser';
export * from 'source-map-support/register';
export { settings } from '../app';
```
Given the following folder structure:
```
my-project
├── actions
│ └── getUser.js
│ └── updateUser.js
├── reducer
│ └── index.js
│ └── user.js
├── redux
│ └── index.js
│ └── configureStore.js
└── app
│ └── index.js
│ └── settings.js
└── entry.js
```
And the .eslintrc file:
```
{
...
"rules": {
"import/no-internal-modules": [ "error", {
"forbid": [ "**/actions/*", "source-map-support/*" ],
} ]
}
}
```
The following patterns are considered problems:
```js
/**
* in my-project/entry.js
*/
import 'source-map-support/register';
import getUser from '../actions/getUser';
export * from 'source-map-support/register';
export getUser from '../actions/getUser';
```
The following patterns are NOT considered problems:
```js
/**
* in my-project/entry.js
*/
import 'source-map-support';
import { getUser } from '../actions';
export * from 'source-map-support';
export { getUser } from '../actions';
```
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