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chore: add proper documentation (#763)
* chore: generate API ref using `typedoc` * chore: declutter readme and add links to ytjs.dev * chore: clean up
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docs/api/classes/EventEmitter.md
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docs/api/classes/EventEmitter.md
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[youtubei.js](../README.md) / EventEmitter
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# Class: EventEmitter
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## Extends
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- `EventTarget`
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## Extended by
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- [`Session`](Session.md)
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- [`LiveChat`](../namespaces/YT/classes/LiveChat.md)
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## Constructors
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### new EventEmitter()
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> **new EventEmitter**(): [`EventEmitter`](EventEmitter.md)
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#### Returns
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[`EventEmitter`](EventEmitter.md)
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#### Overrides
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`EventTarget.constructor`
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#### Defined in
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[src/utils/EventEmitterLike.ts:6](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/EventEmitterLike.ts#L6)
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## Methods
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### addEventListener()
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> **addEventListener**(`type`, `callback`, `options`?): `void`
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Appends an event listener for events whose type attribute value is type. The callback argument sets the callback that will be invoked when the event is dispatched.
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The options argument sets listener-specific options. For compatibility this can be a boolean, in which case the method behaves exactly as if the value was specified as options's capture.
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When set to true, options's capture prevents callback from being invoked when the event's eventPhase attribute value is BUBBLING_PHASE. When false (or not present), callback will not be invoked when event's eventPhase attribute value is CAPTURING_PHASE. Either way, callback will be invoked if event's eventPhase attribute value is AT_TARGET.
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When set to true, options's passive indicates that the callback will not cancel the event by invoking preventDefault(). This is used to enable performance optimizations described in § 2.8 Observing event listeners.
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When set to true, options's once indicates that the callback will only be invoked once after which the event listener will be removed.
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If an AbortSignal is passed for options's signal, then the event listener will be removed when signal is aborted.
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The event listener is appended to target's event listener list and is not appended if it has the same type, callback, and capture.
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[MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/addEventListener)
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#### Parameters
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• **type**: `string`
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• **callback**: `null` \| `EventListenerOrEventListenerObject`
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• **options?**: `boolean` \| `AddEventListenerOptions`
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#### Returns
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`void`
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#### Inherited from
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`EventTarget.addEventListener`
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#### Defined in
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node\_modules/typescript/lib/lib.dom.d.ts:8256
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***
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### dispatchEvent()
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> **dispatchEvent**(`event`): `boolean`
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Dispatches a synthetic event event to target and returns true if either event's cancelable attribute value is false or its preventDefault() method was not invoked, and false otherwise.
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[MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/dispatchEvent)
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#### Parameters
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• **event**: `Event`
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#### Returns
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`boolean`
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#### Inherited from
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`EventTarget.dispatchEvent`
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#### Defined in
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node\_modules/typescript/lib/lib.dom.d.ts:8262
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***
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### emit()
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> **emit**(`type`, ...`args`): `void`
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#### Parameters
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• **type**: `string`
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• ...**args**: `any`[]
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#### Returns
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`void`
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#### Defined in
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[src/utils/EventEmitterLike.ts:10](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/EventEmitterLike.ts#L10)
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***
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### off()
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> **off**(`type`, `listener`): `void`
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#### Parameters
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• **type**: `string`
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• **listener**
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#### Returns
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`void`
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#### Defined in
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[src/utils/EventEmitterLike.ts:40](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/EventEmitterLike.ts#L40)
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***
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### on()
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> **on**(`type`, `listener`): `void`
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#### Parameters
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• **type**: `string`
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• **listener**
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#### Returns
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`void`
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#### Defined in
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[src/utils/EventEmitterLike.ts:15](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/EventEmitterLike.ts#L15)
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***
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### once()
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> **once**(`type`, `listener`): `void`
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#### Parameters
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• **type**: `string`
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• **listener**
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#### Returns
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`void`
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#### Defined in
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[src/utils/EventEmitterLike.ts:27](https://github.com/LuanRT/YouTube.js/blob/eb21af33db708f0355f4fb15881f5d4fabc7b06c/src/utils/EventEmitterLike.ts#L27)
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***
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### removeEventListener()
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> **removeEventListener**(`type`, `callback`, `options`?): `void`
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Removes the event listener in target's event listener list with the same type, callback, and options.
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[MDN Reference](https://developer.mozilla.org/docs/Web/API/EventTarget/removeEventListener)
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#### Parameters
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• **type**: `string`
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• **callback**: `null` \| `EventListenerOrEventListenerObject`
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• **options?**: `boolean` \| `EventListenerOptions`
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#### Returns
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`void`
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#### Inherited from
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`EventTarget.removeEventListener`
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#### Defined in
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node\_modules/typescript/lib/lib.dom.d.ts:8268
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