copy the built project to another folder.

copy.js

const fs = require('fs-extra')
var del = require("delete");

//delete js
console.log("Deleting Old JS");
del.sync('../electron/main.*.js', {
  force: true
});
console.log("Deleted");

// copy files
try {
  console.log('Copy started');
  fs.copySync('./dist/', '../electron/');
} catch (ex) {
  console.log('Error : ' + ex);
} finally {
  console.log('Copied');
}