voluptasmollitia/docs-exp/firestore_.getdocfromcache.md

Monorepo for the Firebase JavaScript SDK

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## getDocFromCache() function

Reads the document referred to by this `DocumentReference` from cache. Returns an error if the document is not currently cached.

<b>Signature:</b>

```typescript
export declare function getDocFromCache<T>(reference: DocumentReference<T>): Promise<DocumentSnapshot<T>>;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  reference | [DocumentReference](./firestore_.documentreference.md)<!-- -->&lt;T&gt; |  |

<b>Returns:</b>

Promise&lt;[DocumentSnapshot](./firestore_.documentsnapshot.md)<!-- -->&lt;T&gt;&gt;

A Promise resolved with a `DocumentSnapshot` containing the current document contents.