MOBILE-3333 ionic: Keep classnames when minifying

config/uglifyjs.config.js

@@ -0,0 +1,19 @@
+// Check https://github.com/mishoo/UglifyJS2/tree/harmony#minify-options-structure
+module.exports = {
+    /**
+     * mangle: uglify 2's mangle option
+     */
+    mangle: {
+      keep_classnames: true,
+      keep_fnames: true
+    },
+    /**
+     * compress: uglify 2's compress option
+     */
+    compress: {
+      toplevel: true,
+      pure_getters: true
+    },
+    keep_classnames: true,
+    keep_fnames: true
+}

package.json

@@ -9,6 +9,7 @@
   "config": {
     "ionic_webpack": "./config/webpack.config.js",
     "ionic_copy": "./config/copy.config.js",
+    "ionic_uglifyjs": "./config/uglifyjs.config.js",
     "ionic_sass": "./config/sass.config.js"
   },
   "repository": {