sheetjs_sheetjs/demos/electron/README.md

# Electron

This library is compatible with Electron and should just work out of the box.
The demonstration uses Electron 1.7.5.  The library is added via `require` from
the render process.  It can also be required from the main process, as shown in
this demo to render a version string in the About dialog on OSX.

The standard HTML5 `FileReader` techniques from the browser apply to Electron.
This demo includes a drag-and-drop box as well as a file input box, mirroring
the [SheetJS Data Preview Live Demo](http://oss.sheetjs.com/js-xlsx/)

The core data in this demo is an editable HTML table.  The readers build up the
table using `sheet_to_html` (with `editable:true` option) and the writers scrape
the table using `table_to_book`.

## Reading and Writing Files

Since electron provides an `fs` implementation, `readFile` and `writeFile` can
be used in conjunction with the standard dialog windows.  For example:

```js
/* from app code, require('electron').remote calls back to main process */
var dialog = require('electron').remote.dialog;

/* show a file-open dialog and read the first selected file */
var o = dialog.showOpenDialog({ properties: ['openFile'] });
var workbook = XLSX.readFile(o[0]);

/* show a file-save dialog and write the workbook */
var o = dialog.showSaveDialog();
XLSX.writeFile(workbook, o);
```



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