background.js

// This is main process of Electron, started as first thing when your
// app starts. It runs through entire life of your application.
// It doesn't have any windows which you can see on screen, but we can open
// window from here.

import path from "path";
import url from "url";
import { app, BrowserWindow } from "electron";

// Special module holding environment variables which you declared
// in config/env_xxx.json file.
import env from "env";


// Save userData in separate folders for each environment.
// Thanks to this you can use production and development versions of the app
// on same machine like those are two separate apps.
if (env.name !== "production") {
  const userDataPath = app.getPath("userData");
  app.setPath("userData", `${userDataPath} (${env.name})`);
}

app.on("ready", () => {
  const mainWindow = new BrowserWindow({
    width: 800,
    height: 600
  });

  
  mainWindow.loadURL(
    url.format({
      pathname: path.join(__dirname, "app.html"),
      protocol: "file:",
      slashes: true
    })
  );

  if (env.name === "development") {
    mainWindow.openDevTools();
  }
});

app.on("window-all-closed", () => {
  app.quit();
});