model.js: fix an error when parsing null string

Avoiding error when accessing a null string in map.
12 years ago · e3ef67d617
parent c4697feede
commit e3ef67d617
1 changed files with 1 additions and 1 deletions
--- a/js/models.js
+++ b/js/models.js
@ -51,7 +51,7 @@ models.service('models', ['colors', function(colors) {
            var buffer = message['objects'][0]['content'][0]['buffer'];
            text_elements = _.union(prefix, text);
            text_elements =_.map(text_elements, function(text_element) {
-                if ('fg' in text_element) {
+                if (text_element && ('fg' in text_element)) {
                    text_element['fg'] = colors.prepareCss(text_element['fg']);
                }
                // TODO: parse background as well