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Electron
This library is compatible with Electron and should just work out of the box.
The demonstration uses Electron 9.0.5. The library is added via require from
the renderer process. Note that Electron now requires nodeIntegration: true
in order to require('XLSX') in the renderer 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
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:
/* 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);