# DomEmitterMixinConstructor

typedef

Constructor returned by [`DomEmitterMixin`](module_utils_dom_emittermixin.md#function-DomEmitterMixin:EXTENDS). Use it to name a mixin base class before extending it.

```typescript
const MyDomEmitterBase: DomEmitterMixinConstructor<typeof BaseClass> = DomEmitterMixin( BaseClass );

class MyDomEmitter extends MyDomEmitterBase {}
```

[See source](https://github.com/ckeditor/ckeditor5/blob/master/packages/ckeditor5-utils/src/dom/emittermixin.ts#L42)

<a id="type-parameters">

## Type parameters

### `Base: extends Constructor<Emitter>`

#### Value

`Mixed<Base, DomEmitter>`

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Full index of the CKEditor 5 API reference: [llms.txt](llms.txt)