const {app, BrowserWindow} = require('electron') const path = require('path') function createWindow () { const mainWindow = new BrowserWindow({ width: 800, height: 600 }) mainWindow.webContents.session.on('select-serial-port', (event, portList, webContents, callback) => { //Add listeners to handle ports being added or removed before the callback for `select-serial-port` //is called. mainWindow.webContents.session.on('serial-port-added', (event, port) => { console.log('serial-port-added FIRED WITH', port) //Optionally update portList to add the new port }) mainWindow.webContents.session.on('serial-port-removed', (event, port) => { console.log('serial-port-removed FIRED WITH', port) //Optionally update portList to remove the port }) event.preventDefault() if (portList && portList.length > 0) { callback(portList[0].portId) } else { callback('') //Could not find any matching devices } }) mainWindow.webContents.session.setPermissionCheckHandler((webContents, permission, requestingOrigin, details) => { if (permission === 'serial' && details.securityOrigin === 'file:///') { return true } }) mainWindow.webContents.session.setDevicePermissionHandler((details) => { if (details.deviceType === 'serial' && details.origin === 'file://') { return true } }) mainWindow.loadFile('index.html') mainWindow.webContents.openDevTools() } app.whenReady().then(() => { createWindow() app.on('activate', function () { if (BrowserWindow.getAllWindows().length === 0) createWindow() }) }) app.on('window-all-closed', function () { if (process.platform !== 'darwin') app.quit() })