main.js

const {app, BrowserWindow, ipcMain} = require('electron')
const electron =  require('electron')
const path = require('path')

const ffi = require("ffi-napi");

let mainWindow

function createWindow () {

    mainWindow = new BrowserWindow({
        x: 0,
        y: 0,
        width: 1000,
        height: 600,
        webPreferences: {
           nodeIntegration: true,
            preload: path.join(app.getAppPath(), 'preload.js'),
            contextIsolation: false,
        },
    })
}

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

package.json

{
  "main": "main.js",
  "version": "1.0.0",
  "scripts": {
    "start": "electron .",
    "package": "electron-forge package --platform darwin --arch x64"
  },
  "config": {
    "forge": {
      "makers": [
        {
          "name": "@electron-forge/maker-zip",
          "platforms": [
            "darwin",
            "linux"
          ],
          "config": {}
        },
        {
          "name": "@electron-forge/maker-squirrel",
          "config": {}
        }
      ],
      "packagerConfig": {
        "prune": true,
        "packageManager": false,
        "asar": true,
        "name": "test",
        "app-copyright": "test"
      },
      "hooks": {},
      "electronInstallerDebian": {},
      "electronInstallerRedhat": {}
    }
  },
  "dependencies": {
    "ffi-napi": "4.0.3"
  },
  "devDependencies": {
    "electron": "20.0.0-beta.11",
    "electron-rebuild": "3.2.8",
    "@electron-forge/cli": "6.0.0-beta.64"
  }
}