ayanova/src/api/gzutil.js

@@ -278,7 +278,7 @@ export default {
     }
 
     //Not a string at all?
-    if (!window.$gz._.isString(string)) {
+    if (!this.isString(string)) {
       return 0;
     }
 
@@ -465,7 +465,18 @@ export default {
   // https://stackoverflow.com/a/52986361/8939
   //
   isNumeric: function(n) {
-    return !isNaN(parseFloat(n)) && isFinite(n);
+    //lodash isNumber returned false if it's a string and that's what the rest of the code expects even though it's parseable to a number
+    return !this.isString(n) && !isNaN(parseFloat(n)) && isFinite(n);
+  },
+  ///////////////////////////////////////////////
+  // is string replacement for lodash
+  // https://github.com/you-dont-need/You-Dont-Need-Lodash-Underscore#_isString
+  //
+  isString: function(str) {
+    if (str && typeof str.valueOf() === "string") {
+      return true;
+    }
+    return false;
   }
 
   /**