bug fixs

Author: Mark

package.json

@@ -1,6 +1,6 @@
 {
   "name": "input-check",
-  "version": "2.4.1",
+  "version": "2.4.2",
   "description": "input validator for nodejs",
   "main": "index.js",
   "scripts": {

src/Sanitization/filters.js

@@ -264,9 +264,17 @@ SanitizationFilters.humanize = function (value) {
   return inflect.humanize(value);
 };
 
-SanitizationFilters.trim = _.trim;
-SanitizationFilters.ltrim = _.trimStart;
-SanitizationFilters.rtrim = _.trimEnd;
+SanitizationFilters.trim = function (value) {
+  return _.trim(value);
+};
+
+SanitizationFilters.ltrim = function (value) {
+  return _.trimStart(value);
+};
+
+SanitizationFilters.rtrim = function (value) {
+  return _.trimEnd(value);
+};
 
 SanitizationFilters.emptyStringToNull = function (value) {
   return typeof (value) === 'string' && value === '' ? null : value;