Be more resilient when applying chat highlights.

Author: DeKleineKobini

extension/changelog.json

@@ -15,7 +15,8 @@
 					"message": "Correctly detect the background page on Firefox. This should fix multiple features, including the event badge.",
 					"contributor": "DeKleineKobini"
 				},
-				{ "message": "Avoid blocking FF scouter gauges on unconfigured pages.", "contributor": "DeKleineKobini" }
+				{ "message": "Avoid blocking FF scouter gauges on unconfigured pages.", "contributor": "DeKleineKobini" },
+				{ "message": "Be more resilient when applying chat highlights.", "contributor": "DeKleineKobini" }
 			],
 			"changes": [
 				{ "message": "Disable OC1 timer when detecting OC 2 data.", "contributor": "DeKleineKobini" },

extension/scripts/features/chat-highlight/ttChatHighlight.js

@@ -58,7 +58,7 @@
 
 	function applyHighlights(message) {
 		if (!message) return;
-		if (!highlights.length) return;
+		if (!highlights?.length) return;
 
 		const sender = simplify(message.find("[class*='chat-box-message__sender__']").textContent.replace(":", ""));
 		const words = message.lastElementChild.textContent.split(" ").map(simplify);