module.exports = function (grunt) { grunt.registerMultiTask('electron-builder', 'Runs electron-builder', function () { const done = this.async(); const opt = this.options(); const builder = require('electron-builder'); const Platform = builder.Platform; builder .build({ ...opt, targets: Platform[opt.targets.toUpperCase()].createTarget() }) .then(done) .catch((error) => { return grunt.warn('electron-builder returned an error: \n' + error); }); }); };