Fix number arguments in "nl2br" Handlebars.js helper

src/mibew/js/source/default/handlebars_helpers.js

@@ -109,7 +109,9 @@
      * This helper replace all new line characters (\n) by 'br' tags
      */
     Handlebars.registerHelper('nl2br', function(text) {
-        return new Handlebars.SafeString(text.replace(/\n/g, "<br/>"));
+        return new Handlebars.SafeString(
+            text.toString().replace(/\n/g, "<br/>")
+        );
     });
 
     /**

src/tests/client_side/qunit/test_cases/handlebars_helpers_tests.js

@@ -72,6 +72,24 @@ test('apply', function() {
     }
 });
 
+// Test "nl2br" Handlebars helper
+test('nl2br', function() {
+    var template = '{{nl2br foo}}';
+    var compiledTemplate = Handlebars.compile(template);
+
+    equal(
+        compiledTemplate({foo: 'Hello\ncruel\nworld!\n'}),
+        'Hello<br/>cruel<br/>world!<br/>',
+        'Test simple replacements'
+    );
+
+    equal(
+        compiledTemplate({foo: 456}),
+        '456',
+        'Test number argument'
+    );
+});
+
 // Test "ifEven" Handlebars helper
 test('ifEven', function() {
     var template = '{{#ifEven foo}}true{{else}}false{{/ifEven}}';