Merge pull request #117 from az7arul/template-replace-non-existant-key

.template method will replace keys that do not exist with empty string

Author: jprichardson

lib/string.js

@@ -418,8 +418,8 @@ string.js - Copyright (C) 2012-2014, JP Richardson <[email protected]>
 
       matches.forEach(function(match) {
         var key = match.substring(opening.length, match.length - closing.length).trim();//chop {{ and }}
-        if (typeof values[key] != 'undefined')
-          s = s.replace(match, values[key]);
+        var value = typeof values[key] == 'undefined' ? '' : values[key];
+        s = s.replace(match, value);
       });
       return new this.constructor(s);
     },

test/string.test.js

@@ -547,6 +547,16 @@
           EQ (S(str).template(values).s, "Hello ")
         })
       })
+
+      describe('> when a key does not exist', function() {
+        it('should still replace with the empty value', function() {
+          S.TMPL_OPEN = '{{'
+          S.TMPL_CLOSE = '}}'
+          var str = "Hello {{name}}"
+          var values = {}
+          EQ (S(str).template(values).s, "Hello ")
+        })
+      })
     })
 
     describe('- times(n)', function() {