var Module = require('module'); var originalRequire = Module.prototype.require; global.window = {}; Module.prototype.require = function(name){

switch(name) { case 'electron': const mock = { on: () => {}, }; return { ipcMain: mock, app: Object.assign({ makeSingleInstance: () => {} }, mock) }; break;

} //do your thing here return originalRequire.apply(this, arguments); };