[youtubei.js](../README.md) / UniversalCache # Class: UniversalCache Defined in: [src/utils/Cache.ts:4](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L4) ## Implements - [`ICache`](../youtubei.js/namespaces/Types/interfaces/ICache.md) ## Constructors ### Constructor > **new UniversalCache**(`persistent`, `persistent_directory?`): `UniversalCache` Defined in: [src/utils/Cache.ts:6](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L6) #### Parameters ##### persistent `boolean` ##### persistent\_directory? `string` #### Returns `UniversalCache` ## Accessors ### cache\_dir #### Get Signature > **get** **cache\_dir**(): `string` Defined in: [src/utils/Cache.ts:9](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L9) ##### Returns `string` #### Implementation of [`ICache`](../youtubei.js/namespaces/Types/interfaces/ICache.md).[`cache_dir`](../youtubei.js/namespaces/Types/interfaces/ICache.md#cache_dir) ## Methods ### get() > **get**(`key`): `Promise`\<`ArrayBuffer` \| `undefined`\> Defined in: [src/utils/Cache.ts:12](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L12) #### Parameters ##### key `string` #### Returns `Promise`\<`ArrayBuffer` \| `undefined`\> #### Implementation of [`ICache`](../youtubei.js/namespaces/Types/interfaces/ICache.md).[`get`](../youtubei.js/namespaces/Types/interfaces/ICache.md#get) *** ### remove() > **remove**(`key`): `Promise`\<`void`\> Defined in: [src/utils/Cache.ts:18](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L18) #### Parameters ##### key `string` #### Returns `Promise`\<`void`\> #### Implementation of [`ICache`](../youtubei.js/namespaces/Types/interfaces/ICache.md).[`remove`](../youtubei.js/namespaces/Types/interfaces/ICache.md#remove) *** ### set() > **set**(`key`, `value`): `Promise`\<`void`\> Defined in: [src/utils/Cache.ts:15](https://github.com/LuanRT/YouTube.js/blob/853a36307b5d644ada14dcb1216c2c22c2ae7b73/src/utils/Cache.ts#L15) #### Parameters ##### key `string` ##### value `ArrayBuffer` #### Returns `Promise`\<`void`\> #### Implementation of [`ICache`](../youtubei.js/namespaces/Types/interfaces/ICache.md).[`set`](../youtubei.js/namespaces/Types/interfaces/ICache.md#set)