main.js

const { app, BrowserWindow, ipcMain, nativeTheme,dialog,shell } = require('electron')
const path = require('path')
let win;


if (process.defaultApp) {
  if (process.argv.length >= 2) {
    app.setAsDefaultProtocolClient('social', process.execPath, [path.resolve(process.argv[1])])
  }
} else {
  app.setAsDefaultProtocolClient('social')
}



const gotTheLock = app.requestSingleInstanceLock()

if (!gotTheLock) {
  app.quit()
} else {
  app.on('second-instance', (event, commandLine, workingDirectory) => {
    // Someone tried to run a second instance, we should focus our window.
    if (win) {
      if (win.isMinimized())win.restore()
      win.focus()
      console.log(commandLine, event)
    }
  })

  // Create mainWindow, load the rest of the app, etc...
  app.whenReady().then(() => {
    createWindow()
  })

  app.on('open-url', (event, url) => {
    dialog.showErrorBox('Welcome Back', `You arrived from: ${url}`)
    console.log("yooooo")

  })
}
app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit()
  }
})



function createWindow () {
   win = new BrowserWindow({
    width: 800,
    height: 600,
    webPreferences: {
      preload: path.join(__dirname, 'preload.js')
    }
  })
  win.loadFile('index.html')


  ipcMain.handle('dark-mode:toggle', () => {
    if (nativeTheme.shouldUseDarkColors) {
      nativeTheme.themeSource = 'light'
    } else {
      nativeTheme.themeSource = 'dark'
    }
    return nativeTheme.shouldUseDarkColors
  })

  ipcMain.handle('dark-mode:system', () => {
    nativeTheme.themeSource = 'system'
  })
}

app.on('window-all-closed', function () {
  if (process.platform !== 'darwin') app.quit()
})


ipcMain.on('shell:open', () => {

})