patch(payloadEqual): escape if key is not the same on external

src/util/common.js

@@ -50,28 +50,32 @@ export function buildMessageTarget(ctx, message) {
  */
 export function isPayloadEqual(source, external) {
 	for (const key of Object.keys(source)) {
-		if (['files', 'threadID', 'thread_name'].includes(key)) {
-			continue;
+		if (['files', 'threadID', 'thread_name'].includes(key)) {
+			continue;
 		}
 
 		if (Array.isArray(source[key])) {
-			if (source[key].length !== external[key].length) {
-				return false;
+			if (!Array.isArray(external[key])) {
+				return false;
+			}
+
+			if (source[key].length !== external[key].length) {
+				return false;
 			}
 
 			for (const [index, value] of source[key].entries()) {
-				if (!isPayloadEqual(value, external[key][index])) {
-					return false;
+				if (!isPayloadEqual(value, external[key][index])) {
+					return false;
 				}
 			}
 		} else if (typeof source[key] === 'object') {
-			if (!isPayloadEqual(source[key], external[key])) {
-				return false;
+			if (!isPayloadEqual(source[key], external[key])) {
+				return false;
 			}
-		} else if (source.length > 0 && source[key] !== external[key]) {
-			return false;
+		} else if (source.length > 0 && source[key] !== external[key]) {
+			return false;
 		}
 	}
 
 	return true;
-}
+}