Cap uglify-es version at 3.2.2 due to bug in later versions

package-lock.json

@@ -6849,19 +6849,19 @@
       "dev": true
     },
     "uglify-es": {
-      "version": "3.1.10",
-      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.1.10.tgz",
-      "integrity": "sha512-RwBX0aOeHvO8MKKUeLCArQGb9OZ6xA+EqfVxsE9wqK0saFYFVLIFvHeeCOg61C6NO6KCuSiG9OjNjCA+OB4nzg==",
+      "version": "3.2.2",
+      "resolved": "https://registry.npmjs.org/uglify-es/-/uglify-es-3.2.2.tgz",
+      "integrity": "sha512-l+s5VLzFwGJfS+fbqaGf/Dfwo1MF13jLOF2ekL0PytzqEqQ6cVppvHf4jquqFok+35USMpKjqkYxy6pQyUcuug==",
       "dev": true,
       "requires": {
-        "commander": "2.11.0",
+        "commander": "2.12.2",
         "source-map": "0.6.1"
       },
       "dependencies": {
         "commander": {
-          "version": "2.11.0",
-          "resolved": "https://registry.npmjs.org/commander/-/commander-2.11.0.tgz",
-          "integrity": "sha512-b0553uYA5YAEGgyYIGYROzKQ7X5RAqedkfjiZxwi0kL1g3bOaBNNZfYkzt/CL0umgD5wc9Jec2FbB98CjkMRvQ==",
+          "version": "2.12.2",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.12.2.tgz",
+          "integrity": "sha512-BFnaq5ZOGcDN7FlrtBT4xxkgIToalIIxwjxLWVJ8bGTpe1LroqMiqQXdA7ygc7CRvaYS+9zfPGFnJqFSayx+AA==",
           "dev": true
         }
       }

package.json

@@ -55,7 +55,7 @@
     "rollup-plugin-multi-entry": "^2.0.2",
     "source-map-support": "^0.5.4",
     "svg2png": "^4.1.1",
-    "uglify-es": "^3.1.10"
+    "uglify-es": "3.2.2"
   },
   "dependencies": {
     "opentype.js": "^0.8.0"