[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Buffer](https://evolu.dev/docs/api-reference/common/Buffer) › createBuffer

```ts
function createBuffer(
  arrayLike?: Uint8Array<ArrayBufferLike> | ArrayLike<number>,
): Buffer;
```

Defined in: [packages/common/src/Buffer.ts:120](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Buffer.ts#L120)

Creates a [Buffer](https://evolu.dev/docs/api-reference/common/Buffer/interfaces/Buffer) for efficient byte operations.