Webpack the addons

bin/packageAddons.js

@@ -0,0 +1,19 @@
+/**
+ * Copyright (c) 2019 The xterm.js authors. All rights reserved.
+ * @license MIT
+ */
+
+const cp = require('child_process');
+const path = require('path');
+const fs = require('fs');
+
+const addons = fs.readdirSync(path.resolve(__dirname, '../addons'));
+addons.forEach(addon => {  
+  cp.spawnSync(
+    'npm', ['run', 'package'],
+    {
+      cwd: path.resolve(__dirname, `../addons/${addon}`),
+      stdio: 'inherit'
+    }
+  );
+});