Add a helper for getting array length: tf_util_get_length.

git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3925 ed5197a5-7fde-0310-b194-c3ffbd925b24
2022-07-09 15:13:35 +00:00
parent 982b5817a2
commit 7f350a3d87
8 changed files with 86 additions and 102 deletions
--- a/src/util.js.c
+++ b/src/util.js.c
@ -205,3 +205,12 @@ void tf_util_register(JSContext* context)
 	JS_SetPropertyStr(context, global, "setTimeout", JS_NewCFunction(context, _util_setTimeout, "setTimeout", 2));
 	JS_FreeValue(context, global);
 }
+
+int tf_util_get_length(JSContext* context, JSValue value)
+{
+	JSValue length = JS_GetPropertyStr(context, value, "length");
+	int result = 0;
+	JS_ToInt32(context, &result, length);
+	JS_FreeValue(context, length);
+	return result;
+}