From: Fabrice Bellard <fabrice@bellard.org>
Date: Sat, 5 Apr 2025 13:52:55 +0000 (+0200)
Subject: 'undefined' is a valid let/const variable name. It gives a SyntaxError at top level... 
X-Git-Url: http://git.kaiwu.me/postgresql/log/contrib/postgres_fdw/stylesheets/print.css?a=commitdiff_plain;h=beeb2725cdb31065e84834ef3c31062d3ab0ca61;p=quickjs.git

'undefined' is a valid let/const variable name. It gives a SyntaxError at top level because it is already defined (#370)
---

diff --git a/quickjs.c b/quickjs.c
index 2b0de17..8af4d21 100644
--- a/quickjs.c
+++ b/quickjs.c
@@ -23731,7 +23731,7 @@ static __exception int js_define_var(JSParseState *s, JSAtom name, int tok)
     &&  (fd->js_mode & JS_MODE_STRICT)) {
         return js_parse_error(s, "invalid variable name in strict mode");
     }
-    if ((name == JS_ATOM_let || name == JS_ATOM_undefined)
+    if (name == JS_ATOM_let
     &&  (tok == TOK_LET || tok == TOK_CONST)) {
         return js_parse_error(s, "invalid lexical variable name");
     }