# no-invalid-define

> Disallow `define()` calls that do not match a valid AMD module signature.

‼️ **Problem** • ✅ **Recommended** • ❌ **Fixable**

## Details

`define()` must be called with one of these signatures:

| Signature | Description |
|:--|:--|
| `define(factory)` | Anonymous module, no dependencies |
| `define([], factory)` | Anonymous module, dependencies |
| `define('name', factory)` | Named module, no dependencies |
| `define('name', [], factory)` | Named module, dependencies |

where `factory` is either a function, arrow function, or object literal.

### ✅ Correct

```js
define({});
```

```js
define(() => {});
```

```js
define(['foo'], {});
```

```js
define(['foo'], (foo) => {});
```

```js
define('my-module', {});
```

```js
define('my-module', () => {});
```

```js
define('my-module', ['foo'], {});
```

```js
define('my-module', ['foo'], (foo) => {});
```

### ❌ Incorrect

```js
define();
```

```js
define('my-module');
```

```js
define(['foo']);
```

```js
define(() => {}, []);
```

## Introduced

1.0.0