buil.windows.js

var Q = require('q');
var childProcess = require('child_process');
var asar = require('asar');
var jetpack = require('fs-jetpack');

var projectDir;
var buildDir;
var manifest;
var appDir;

function init() {
	// Project directory is the root of the application
	projectDir = jetpack;
	// Build directory is our destination where the final build will be placed
	buildDir = projectDir.dir('./dist', { empty: true });
	// angular application directory
	appDir = projectDir.dir('./build');
	// angular application's package.json file
	manifest = appDir.read('./package.json', 'json');
	return Q();
}

function copyElectron() {
	console.log('Copying electron' + projectDir.path());
	return projectDir.copyAsync('./node_modules/electron-prebuilt/dist', buildDir.path(), { overwrite: true });
}

function cleanupRuntime() {
	return buildDir.removeAsync('resources/default_app');
}

function createAsar() {
	var deferred = Q.defer();
	asar.createPackage(appDir.path(), buildDir.path('resources/app.asar'), function () {
		deferred.resolve();
	});
	return deferred.promise;
}

function updateResources() {
	var deferred = Q.defer();

	// Copy your icon from resource folder into build folder.
	projectDir.copy('resources/windows/icon.ico', buildDir.path('icon.ico'));

	// Replace Electron icon for your own.
	var rcedit = require('rcedit');
	rcedit(buildDir.path('electron.exe'), {
		'icon': projectDir.path('resources/windows/icon.ico'),
		'version-string': {
			'ProductName': manifest.name,
			'FileDescription': manifest.description,
		}
	}, function (err) {
		if (!err) {
			deferred.resolve();
		}
	});
	return deferred.promise;
}
//Rename the electron exe
function rename() {
	return buildDir.renameAsync('electron.exe', manifest.name + '.exe');
}

function createInstaller() {
	var deferred = Q.defer();

	function replace(str, patterns) {
		Object.keys(patterns).forEach(function (pattern) {
			console.log(pattern);
			  var matcher = new RegExp('{{' + pattern + '}}', 'g');
			str = str.replace(matcher, patterns[pattern]);
		});
		return str;
	}

	var installScript = projectDir.read('resources/windows/installer.nsi');

	installScript = replace(installScript, {
		name: manifest.name,
		productName: manifest.name,
		version: manifest.version,
		src: buildDir.path(),
		dest: projectDir.path('dist/Installer.exe'),
		icon: buildDir.path('icon.ico'),
		setupIcon: buildDir.path('icon.ico'),
		banner: projectDir.path('resources/windows/banner.bmp'),
	});
	buildDir.write('installer.nsi', installScript);

	// Note: NSIS have to be added to PATH (environment variables).
	var nsis = childProcess.spawn('makensis', [buildDir.path('installer.nsi')], {
		stdio: 'inherit'
	});

	nsis.on('error', function (err) {
		if (err.message === 'spawn makensis ENOENT') {
			throw "Can't find NSIS. Are you sure you've installed it and" + " added to PATH environment variable?";
		} else {
			throw err;
		}
	});

	nsis.on('close', function () {
		deferred.resolve();
	});

	return deferred.promise;

}

function build() {
	return init()
		.then(copyElectron)
		.then(cleanupRuntime)
		.then(createAsar)
		.then(updateResources)
		.then(rename)
		.then(createInstaller);
}


module.exports = {
	build: build
};