closes #1666

11 years ago · eb1b48092d
parent e5d465392f
commit eb1b48092d
1 changed files with 3 additions and 0 deletions
--- a/src/topics/tags.js
+++ b/src/topics/tags.js
@ -35,6 +35,9 @@ module.exports = function(Topics) {
 	};

 	function cleanUpTag(tag) {
+		if (typeof tag !== 'string' || !tag.length ) {
+			return '';
+		}
 		tag = tag.trim().toLowerCase();
 		tag = tag.replace(/[,\/#!$%\^&\*;:{}=_`<>'"~()?\|]/g, '');
 		tag = tag.substr(0, meta.config.maximumTagLength || 15);