@fgv/ts-web-extras/docs/ts-web-extras.filesystemcreatewritableoptions_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; [FileSystemCreateWritableOptions\_2](./ts-web-extras.filesystemcreatewritableoptions_2.md)

## FileSystemCreateWritableOptions\_2 interface

Options for creating writable file streams

**Signature:**

```typescript
export interface FileSystemCreateWritableOptions 
```

## Properties

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

Property


</th><th>

Modifiers


</th><th>

Type


</th><th>

Description


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

[keepExistingData?](./ts-web-extras.filesystemcreatewritableoptions_2.keepexistingdata.md)


</td><td>


</td><td>

boolean


</td><td>

_(Optional)_


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