@fgv/ts-web-extras/docs/ts-web-extras.filesystemwritablefilestream_2.md

Browser-compatible utilities and FileTree implementations

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[Home](./index.md) &gt; [@fgv/ts-web-extras](./ts-web-extras.md) &gt; [FileSystemWritableFileStream\_2](./ts-web-extras.filesystemwritablefilestream_2.md)

## FileSystemWritableFileStream\_2 interface

Writable file stream interface

**Signature:**

```typescript
export interface FileSystemWritableFileStream extends WritableStream 
```
**Extends:** WritableStream

## Methods

<table><thead><tr><th>

Method


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

[seek(position)](./ts-web-extras.filesystemwritablefilestream_2.seek.md)


</td><td>


</td></tr>
<tr><td>

[truncate(size)](./ts-web-extras.filesystemwritablefilestream_2.truncate.md)


</td><td>


</td></tr>
<tr><td>

[write(data)](./ts-web-extras.filesystemwritablefilestream_2.write.md)


</td><td>


</td></tr>
</tbody></table>