index.js

const { app, BrowserWindow } = require("electron");
const path = require("path");
const url = require("url");

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win;

function createWindow() {
  // Create the browser window.
  win = new BrowserWindow({
    width: 2000,
    height: 600,
    webPreferences: {
      enableRemoteModule: true,
      nodeIntegration: true,
    },
  });

  // and load the index.html of the app.
  win.loadFile("index.html");

  // Open the DevTools.
  win.webContents.openDevTools();

  win.webContents.on("did-finish-load", () => {
    win.webContents.send("inputFile", process.argv[2]);
  });

  win.on("closed", () => {
    win = null;
  });
}

app.whenReady().then(createWindow);

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

app.on("activate", () => {
  if (BrowserWindow.getAllWindows().length === 0) {
    createWindow();
  }
});