ayanova/src/api/gzutil.js

@@ -270,7 +270,7 @@ export default {
     }
 
     //A number already then parse and return
-    if (window.$gz._.isNumber(string)) {
+    if (this.isNumeric(string)) {
       if (string === NaN) {
         return 0;
       }
@@ -459,6 +459,13 @@ export default {
     while (start < end && str[start] === ch) ++start;
     while (end > start && str[end - 1] === ch) --end;
     return start > 0 || end < str.length ? str.substring(start, end) : str;
+  },
+  ///////////////////////////////////////////////
+  // is numeric replacement for lodash
+  // https://stackoverflow.com/a/52986361/8939
+  //
+  isNumeric: function(n) {
+    return !isNaN(parseFloat(n)) && isFinite(n);
   }
 
   /**