diff --git a/dist/core/jrs-resume.js b/dist/core/jrs-resume.js
index 69f7396..57368e0 100644
--- a/dist/core/jrs-resume.js
+++ b/dist/core/jrs-resume.js
@@ -285,7 +285,7 @@ Definition of the JRSResume class.
      */
 
     JRSResume.prototype.harden = function() {
-      var HD, HDIN, hardenStringsInObject, ret, that;
+      var HD, HDIN, ret, that, transformer;
       that = this;
       ret = this.dupe();
       HD = function(txt) {
@@ -294,42 +294,10 @@ Definition of the JRSResume class.
       HDIN = function(txt) {
         return HD(txt);
       };
-      hardenStringsInObject = function(obj, inline) {
-        if (!obj) {
-          return;
-        }
-        inline = inline === void 0 || inline;
-        if (Object.prototype.toString.call(obj) === '[object Array]') {
-          return obj.forEach(function(elem, idx, ar) {
-            if (typeof elem === 'string' || elem instanceof String) {
-              return ar[idx] = inline ? HDIN(elem) : HD(elem);
-            } else {
-              return hardenStringsInObject(elem);
-            }
-          });
-        } else if (typeof obj === 'object') {
-          return Object.keys(obj).forEach(function(key) {
-            var sub;
-            sub = obj[key];
-            if (typeof sub === 'string' || sub instanceof String) {
-              if (_.contains(['skills', 'url', 'website', 'startDate', 'endDate', 'releaseDate', 'date', 'phone', 'email', 'address', 'postalCode', 'city', 'country', 'region'], key)) {
-                return;
-              }
-              if (key === 'summary') {
-                return obj[key] = HD(obj[key]);
-              } else {
-                return obj[key] = inline ? HDIN(obj[key]) : HD(obj[key]);
-              }
-            } else {
-              return hardenStringsInObject(sub);
-            }
-          });
-        }
-      };
-      Object.keys(ret).forEach(function(member) {
-        return hardenStringsInObject(ret[member]);
+      transformer = require('../utils/string-transformer');
+      return transformer(ret, ['skills', 'url', 'website', 'startDate', 'endDate', 'releaseDate', 'date', 'phone', 'email', 'address', 'postalCode', 'city', 'country', 'region', 'safeStartDate', 'safeEndDate'], function(key, val) {
+        return HD(val);
       });
-      return ret;
     };
 
     return JRSResume;
diff --git a/src/core/jrs-resume.coffee b/src/core/jrs-resume.coffee
index 2834625..cae1df3 100644
--- a/src/core/jrs-resume.coffee
+++ b/src/core/jrs-resume.coffee
@@ -242,38 +242,12 @@ class JRSResume# extends AbstractResume
       #return MD(txt || '' ).replace(/^\s*<p>|<\/p>\s*$/gi, '');
       return HD txt
 
-    # TODO: refactor recursion
-    hardenStringsInObject = ( obj, inline ) ->
-
-      return if !obj
-      inline = inline == undefined || inline
-
-      if Object.prototype.toString.call( obj ) == '[object Array]'
-        obj.forEach (elem, idx, ar) ->
-          if typeof elem == 'string' || elem instanceof String
-            ar[idx] = if inline then HDIN(elem) else HD( elem )
-          else
-            hardenStringsInObject elem
-      else if typeof obj == 'object'
-        Object.keys( obj ).forEach (key) ->
-          sub = obj[key]
-          if typeof sub == 'string' || sub instanceof String
-            if _.contains(['skills','url','website','startDate','endDate',
-              'releaseDate','date','phone','email','address','postalCode',
-              'city','country','region'], key)
-              return
-            if key == 'summary'
-              obj[key] = HD( obj[key] )
-            else
-              obj[key] = if inline then HDIN( obj[key] ) else HD( obj[key] )
-          else
-            hardenStringsInObject sub
-
-
-    Object.keys( ret ).forEach (member) ->
-      hardenStringsInObject ret[ member ]
-
-    ret
+    transformer = require '../utils/string-transformer'
+    transformer ret,
+      [ 'skills','url','website','startDate','endDate', 'releaseDate', 'date',
+      'phone','email','address','postalCode','city','country','region',
+      'safeStartDate','safeEndDate' ],
+      (key, val) -> HD val