Ref/ Electron packager in external file

package.js

@@ -0,0 +1,64 @@
+"use strict";
+
+var packager = require('electron-packager');
+const pkg = require('./package.json');
+const argv = require('minimist')(process.argv.slice(1));
+
+const appName = argv.name || pkg.name;
+const buildVersion = pkg.version || '1.0';
+const shouldUseAsar = argv.asar || false;
+const shouldBuildAll = argv.all || false;
+const arch = argv.arch || 'all';
+const platform = argv.platform || 'darwin';
+
+const DEFAULT_OPTS = {
+    dir: './dist',
+    name: appName,
+    asar: shouldUseAsar,
+    buildVersion: buildVersion
+};
+
+const icon = 'assets/favicon';
+
+if (icon) {
+    DEFAULT_OPTS.icon = icon;
+}
+
+pack(platform, arch, function done(err, appPath) {
+  if(err) {
+    console.log(err);
+  } else {
+    console.log('Application packaged successfuly!', appPath);
+  }
+
+});
+
+function pack(plat, arch, cb) {
+    // there is no darwin ia32 electron
+    if (plat === 'darwin' && arch === 'ia32') return;
+
+    const iconObj = {
+        icon: DEFAULT_OPTS.icon + (() => {
+
+            let extension = '.png';
+            if (plat === 'darwin') {
+                extension = '.icns';
+            } else if (plat === 'win32') {
+                extension = '.ico';
+            }
+            return extension;
+        })()
+    };
+
+    const opts = Object.assign({}, DEFAULT_OPTS, {
+        platform: plat,
+        arch,
+        prune: true,
+        overwrite: true,
+        all: shouldBuildAll,
+        out: `app-builds`
+    });
+
+    console.log(opts)
+    packager(opts, cb);
+}