Wrap withinString in try/catch

client/js/libs/handlebars/ircmessageparser/findLinks.js

@@ -22,6 +22,7 @@ function findLinks(text) {
 	// <a>-Tags.
 	// See https://medialize.github.io/URI.js/docs.html#static-withinString
 	// In our case, we store each URI encountered in a result array.
+	try {
 		URI.withinString(text, function(url, start, end) {
 			let parsedScheme;
 
@@ -57,6 +58,9 @@ function findLinks(text) {
 				link: url
 			});
 		});
+	} catch (e) {
+		// withinString is wrapped in a try/catch due to https://github.com/medialize/URI.js/issues/359
+	}
 
 	return result;
 }