sheetjs/docbits/31_writestream.md

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### Streaming Write
The streaming write functions are available in the `XLSX.stream` object. They
take the same arguments as the normal write functions but return a Readable
Stream. They are only exposed in NodeJS.
- `XLSX.stream.to_csv` is the streaming version of `XLSX.utils.sheet_to_csv`.
- `XLSX.stream.to_html` is the streaming version of `XLSX.utils.sheet_to_html`.
<details>
2017-09-24 23:40:09 +00:00
<summary><b>nodejs convert to CSV and write file</b> (click to show)</summary>
```js
var output_file_name = "out.csv";
var stream = XLSX.stream.to_csv(worksheet);
stream.pipe(fs.createWriteStream(output_file_name));
```
</details>
<https://github.com/sheetjs/sheetaki> pipes write streams to nodejs response.