From 7f1fbdcaa47da1cf0969ad6dd8b0df3162d571fe Mon Sep 17 00:00:00 2001
From: Hermet Park <hermet@lottiefiles.com>
Date: Mon, 6 May 2024 14:20:30 +0900
Subject: [PATCH] lottie/expressions: ++exceptional handling

Stop handling if the interpreting result is invalid.
---
 src/loaders/lottie/tvgLottieExpressions.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/loaders/lottie/tvgLottieExpressions.cpp b/src/loaders/lottie/tvgLottieExpressions.cpp
index a8494a49..fa6c6faa 100644
--- a/src/loaders/lottie/tvgLottieExpressions.cpp
+++ b/src/loaders/lottie/tvgLottieExpressions.cpp
@@ -1219,7 +1219,7 @@ jerry_value_t LottieExpressions::evaluate(float frameNo, LottieExpression* exp)
     //evaluate the code
     auto eval = jerry_eval((jerry_char_t *) exp->code, strlen(exp->code), JERRY_PARSE_NO_OPTS);
 
-    if (jerry_value_is_exception(eval)) {
+    if (jerry_value_is_exception(eval) || jerry_value_is_undefined(eval)) {
         exp->enabled = false;  // The feature is experimental, it will be forcely turned off if it's incompatible.
         return jerry_undefined();
     }