refactor(form)

mchapman · mchapman · commit fc66e9689889 · 2015-06-27T18:11:31.000+01:00
diff --git a/js/filters/titlecase.ts b/js/filters/titlecase.ts
@@ -5,19 +5,21 @@ module fng.filters {
   /*@ngInject*/
   export function titleCase() {
     return function (str, stripSpaces) {
-      var value = str
-        .replace(/(_|\.)/g, ' ')                       // replace underscores and dots with spaces
-        .replace(/[A-Z]/g, ' $&').trim()               // precede replace caps with a space
-        .replace(/\w\S*/g, function (txt) {            // capitalise first letter of word
-          return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
-        });
-      if (stripSpaces) {
-        value = value.replace(/\s/g, '');
-      } else {
-        // lose double spaces
-        value = value.replace(/\s{2,}/g, ' ');
+      if (str) {
+        str = str
+          .replace(/(_|\.)/g, ' ')                       // replace underscores and dots with spaces
+          .replace(/[A-Z]/g, ' $&').trim()               // precede replace caps with a space
+          .replace(/\w\S*/g, function (txt) {            // capitalise first letter of word
+            return txt.charAt(0).toUpperCase() + txt.substr(1).toLowerCase();
+          });
+        if (stripSpaces) {
+          str = str.replace(/\s/g, '');
+        } else {
+          // lose double spaces
+          str = str.replace(/\s{2,}/g, ' ');
+        }
       }
-      return value;
-    };
+      return str;
+    }
   }
 }
