Files
YouTube.js/docs/api/classes/UniversalCache.md
Luan 25d0876b91 refactor(Player)!: Use AST-based JS extraction with side-effect safe code emission (#1052)
* chore(deps): Add `meriyah`

* feat(utils): Implement AST-based JS extractors

* chore(utils): Remove old ast walker code

* fix(Player): Migrate js extraction logic

* chore(JsExtractor): Fix typo in tsdoc

* perf(JsAnalyzer): Simplify main AST analysis logic

* fix(JsAnalyzer): Change `break` to `return` in AST matching logic

* chore: Update docs

* chore: Don't export `PlayerInitializationOptions`

* chore(evaluate): Update error message to include doc link

* perf: Use a `for-loop` to find iife
2025-10-12 09:08:51 -03:00

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Markdown

[youtubei.js](../README.md) / UniversalCache
# Class: UniversalCache
## Implements
- [`ICache`](../namespaces/Types/interfaces/ICache.md)
## Constructors
### new UniversalCache()
> **new UniversalCache**(`persistent`, `persistent_directory`?): [`UniversalCache`](UniversalCache.md)
#### Parameters
**persistent**: `boolean`
**persistent\_directory?**: `string`
#### Returns
[`UniversalCache`](UniversalCache.md)
#### Defined in
[src/utils/Cache.ts:6](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/Cache.ts#L6)
## Accessors
### cache\_dir
> `get` **cache\_dir**(): `string`
#### Returns
`string`
#### Implementation of
[`ICache`](../namespaces/Types/interfaces/ICache.md).[`cache_dir`](../namespaces/Types/interfaces/ICache.md#cache_dir)
#### Defined in
[src/utils/Cache.ts:9](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/Cache.ts#L9)
## Methods
### get()
> **get**(`key`): `Promise`\<`undefined` \| `ArrayBuffer`\>
#### Parameters
**key**: `string`
#### Returns
`Promise`\<`undefined` \| `ArrayBuffer`\>
#### Implementation of
[`ICache`](../namespaces/Types/interfaces/ICache.md).[`get`](../namespaces/Types/interfaces/ICache.md#get)
#### Defined in
[src/utils/Cache.ts:12](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/Cache.ts#L12)
***
### remove()
> **remove**(`key`): `Promise`\<`void`\>
#### Parameters
**key**: `string`
#### Returns
`Promise`\<`void`\>
#### Implementation of
[`ICache`](../namespaces/Types/interfaces/ICache.md).[`remove`](../namespaces/Types/interfaces/ICache.md#remove)
#### Defined in
[src/utils/Cache.ts:18](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/Cache.ts#L18)
***
### set()
> **set**(`key`, `value`): `Promise`\<`void`\>
#### Parameters
**key**: `string`
**value**: `ArrayBuffer`
#### Returns
`Promise`\<`void`\>
#### Implementation of
[`ICache`](../namespaces/Types/interfaces/ICache.md).[`set`](../namespaces/Types/interfaces/ICache.md#set)
#### Defined in
[src/utils/Cache.ts:15](https://github.com/LuanRT/YouTube.js/blob/af92984523f90200a18314b94478a2697c9deab0/src/utils/Cache.ts#L15)