don't cause an exception if the cookie doesn't exist

1 files changed, 15 insertions, 11 deletions

diff --git a/webAO/client.js b/webAO/client.js
index 52b7976..93d374f 100644
--- a/webAO/client.js
+++ b/webAO/client.js
@@ -1971,19 +1971,23 @@ class INI {
  * @param {String} cname The name of the cookie to return
  */
 function getCookie(cname) {
-	var name = cname + "=";
-	var decodedCookie = decodeURIComponent(document.cookie);
-	var ca = decodedCookie.split(';');
-	for (var i = 0; i < ca.length; i++) {
-		var c = ca[i];
-		while (c.charAt(0) === ' ') {
-			c = c.substring(1);
-		}
-		if (c.indexOf(name) === 0) {
-			return c.substring(name.length, c.length);
+	try {
+		const name = cname + "=";
+		const decodedCookie = decodeURIComponent(document.cookie);
+		const ca = decodedCookie.split(';');
+		for (var i = 0; i < ca.length; i++) {
+			var c = ca[i];
+			while (c.charAt(0) === ' ') {
+				c = c.substring(1);
+			}
+			if (c.indexOf(name) === 0) {
+				return c.substring(name.length, c.length);
+			}
 		}
+		return "";
+	} catch (error) {
+		return "";
 	}
-	return "";
 }
 
 /**