[njs] QuickJS: fixed SharedDict.incr() with empty init argument.

[noreply at nginx.com]

details:   https://github.com/nginx/njs/commit/13f0787fc52e36ae5ed67add0a14c412b3c7b716
branches:  master
commit:    13f0787fc52e36ae5ed67add0a14c412b3c7b716
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Wed, 19 Feb 2025 16:50:15 -0800
description:
QuickJS: fixed SharedDict.incr() with empty init argument.


---
 nginx/ngx_js_shared_dict.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/nginx/ngx_js_shared_dict.c b/nginx/ngx_js_shared_dict.c
index e317211e..06f940e0 100644
--- a/nginx/ngx_js_shared_dict.c
+++ b/nginx/ngx_js_shared_dict.c
@@ -2219,7 +2219,10 @@ ngx_qjs_ext_shared_dict_incr(JSContext *cx, JSValueConst this_val,
         return JS_EXCEPTION;
     }
 
-    if (JS_ToFloat64(cx, &init, argv[2]) < 0) {
+    if (JS_IsUndefined(argv[2])) {
+        init = 0;
+
+    } else if (JS_ToFloat64(cx, &init, argv[2]) < 0) {
         return JS_EXCEPTION;
     }