zulip-desktop/app/renderer/js/notification/helpers.ts

import {ipcRenderer, remote} from "electron";

// Do not change this
export const appId = "org.zulip.zulip-electron";

const currentWindow = remote.getCurrentWindow();
const webContents = remote.getCurrentWebContents();
const webContentsId = webContents.id;

// This function will focus the server that sent
// the notification. Main function implemented in main.js
export function focusCurrentServer(): void {
  ipcRenderer.sendTo(
    currentWindow.webContents.id,
    "focus-webview-with-id",
    webContentsId,
  );
}