utf-8-validate 4.0.2 for node 10 support

Author: Aleix Morgadas

package.json

@@ -69,6 +69,7 @@
     ]
   },
   "optionalDependencies": {
-    "bufferutil": "^3.0.5"
+    "bufferutil": "^3.0.5",
+    "utf-8-validate": "^4.0.2"
   }
 }