From f05760c585f7744dcf3c0f47bfe1bd038a4d4f15 Mon Sep 17 00:00:00 2001
From: Fabrice Bellard <fabrice@bellard.org>
Date: Mon, 7 Apr 2025 14:33:30 +0200
Subject: [PATCH] qjs: added performance.now()

---
 quickjs-libc.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/quickjs-libc.c b/quickjs-libc.c
index a659084..2c71132 100644
--- a/quickjs-libc.c
+++ b/quickjs-libc.c
@@ -3836,7 +3836,7 @@ static JSValue js_console_log(JSContext *ctx, JSValueConst this_val,
 
 void js_std_add_helpers(JSContext *ctx, int argc, char **argv)
 {
-    JSValue global_obj, console, args;
+    JSValue global_obj, console, args, performance;
     int i;
 
     /* XXX: should these global definitions be enumerable? */
@@ -3847,6 +3847,11 @@ void js_std_add_helpers(JSContext *ctx, int argc, char **argv)
                       JS_NewCFunction(ctx, js_console_log, "log", 1));
     JS_SetPropertyStr(ctx, global_obj, "console", console);
 
+    performance = JS_NewObject(ctx);
+    JS_SetPropertyStr(ctx, performance, "now",
+                      JS_NewCFunction(ctx, js_os_now, "now", 0));
+    JS_SetPropertyStr(ctx, global_obj, "performance", performance);
+
     /* same methods as the mozilla JS shell */
     if (argc >= 0) {
         args = JS_NewArray(ctx);