[youtubei.js](../../../README.md) / [YTNodes](../README.md) / DescriptionPreviewView # Class: DescriptionPreviewView ## Extends - [`YTNode`](../../Helpers/classes/YTNode.md) ## Constructors ### new DescriptionPreviewView() > **new DescriptionPreviewView**(`data`): [`DescriptionPreviewView`](DescriptionPreviewView.md) #### Parameters • **data**: [`RawNode`](../../APIResponseTypes/type-aliases/RawNode.md) #### Returns [`DescriptionPreviewView`](DescriptionPreviewView.md) #### Overrides [`YTNode`](../../Helpers/classes/YTNode.md).[`constructor`](../../Helpers/classes/YTNode.md#constructors) #### Defined in [src/parser/classes/DescriptionPreviewView.ts:26](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L26) ## Properties ### always\_show\_truncation\_text > **always\_show\_truncation\_text**: `boolean` #### Defined in [src/parser/classes/DescriptionPreviewView.ts:13](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L13) *** ### description? > `optional` **description**: [`Text`](../../Misc/classes/Text.md) #### Defined in [src/parser/classes/DescriptionPreviewView.ts:10](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L10) *** ### max\_lines? > `optional` **max\_lines**: `number` #### Defined in [src/parser/classes/DescriptionPreviewView.ts:11](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L11) *** ### more\_endpoint? > `optional` **more\_endpoint**: `object` #### show\_engagement\_panel\_endpoint > **show\_engagement\_panel\_endpoint**: `object` #### show\_engagement\_panel\_endpoint.engagement\_panel > **engagement\_panel**: `null` \| [`EngagementPanelSectionList`](EngagementPanelSectionList.md) #### show\_engagement\_panel\_endpoint.engagement\_panel\_popup\_type > **engagement\_panel\_popup\_type**: `string` #### show\_engagement\_panel\_endpoint.identifier > **identifier**: `object` #### show\_engagement\_panel\_endpoint.identifier.surface > **surface**: `string` #### show\_engagement\_panel\_endpoint.identifier.tag > **tag**: `string` #### Defined in [src/parser/classes/DescriptionPreviewView.ts:14](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L14) *** ### renderer\_context > **renderer\_context**: [`RendererContext`](../../Misc/classes/RendererContext.md) #### Defined in [src/parser/classes/DescriptionPreviewView.ts:24](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L24) *** ### truncation\_text? > `optional` **truncation\_text**: [`Text`](../../Misc/classes/Text.md) #### Defined in [src/parser/classes/DescriptionPreviewView.ts:12](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L12) *** ### type > `readonly` **type**: `string` #### Inherited from [`YTNode`](../../Helpers/classes/YTNode.md).[`type`](../../Helpers/classes/YTNode.md#type) #### Defined in [src/parser/helpers.ts:8](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/helpers.ts#L8) *** ### type > `static` **type**: `string` = `'DescriptionPreviewView'` #### Overrides [`YTNode`](../../Helpers/classes/YTNode.md).[`type`](../../Helpers/classes/YTNode.md#type-1) #### Defined in [src/parser/classes/DescriptionPreviewView.ts:8](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/classes/DescriptionPreviewView.ts#L8) ## Methods ### as() > **as**\<`T`, `K`\>(...`types`): `InstanceType`\<`K`\[`number`\]\> Cast to one of the given types. #### Type Parameters • **T** *extends* [`YTNode`](../../Helpers/classes/YTNode.md) • **K** *extends* [`YTNodeConstructor`](../../Helpers/interfaces/YTNodeConstructor.md)\<`T`\>[] #### Parameters • ...**types**: `K` The types to cast to #### Returns `InstanceType`\<`K`\[`number`\]\> The node cast to one of the given types #### Throws If the node is not of the given type #### Inherited from [`YTNode`](../../Helpers/classes/YTNode.md).[`as`](../../Helpers/classes/YTNode.md#as) #### Defined in [src/parser/helpers.ts:38](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/helpers.ts#L38) *** ### hasKey() > **hasKey**\<`T`, `R`\>(`key`): `this is DescriptionPreviewView & { [k in string]: R }` Check for a key without asserting the type. #### Type Parameters • **T** *extends* `string` • **R** = `any` #### Parameters • **key**: `T` The key to check #### Returns `this is DescriptionPreviewView & { [k in string]: R }` Whether the node has the key #### Inherited from [`YTNode`](../../Helpers/classes/YTNode.md).[`hasKey`](../../Helpers/classes/YTNode.md#haskey) #### Defined in [src/parser/helpers.ts:50](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/helpers.ts#L50) *** ### is() > **is**\<`T`, `K`\>(...`types`): `this is InstanceType` Check if the node is of the given type. #### Type Parameters • **T** *extends* [`YTNode`](../../Helpers/classes/YTNode.md) • **K** *extends* [`YTNodeConstructor`](../../Helpers/interfaces/YTNodeConstructor.md)\<`T`\>[] #### Parameters • ...**types**: `K` The type to check #### Returns `this is InstanceType` whether the node is of the given type #### Inherited from [`YTNode`](../../Helpers/classes/YTNode.md).[`is`](../../Helpers/classes/YTNode.md#is) #### Defined in [src/parser/helpers.ts:28](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/helpers.ts#L28) *** ### key() > **key**\<`T`, `R`\>(`key`): [`Maybe`](../../Helpers/classes/Maybe.md) Assert that the node has the given key and return it. #### Type Parameters • **T** *extends* `string` • **R** = `any` #### Parameters • **key**: `T` The key to check #### Returns [`Maybe`](../../Helpers/classes/Maybe.md) The value of the key wrapped in a Maybe #### Throws If the node does not have the key #### Inherited from [`YTNode`](../../Helpers/classes/YTNode.md).[`key`](../../Helpers/classes/YTNode.md#key) #### Defined in [src/parser/helpers.ts:60](https://github.com/LuanRT/YouTube.js/blob/e54e499ff553dab51e6d9d1aebc090b50fec29ba/src/parser/helpers.ts#L60)