2 files changed, 10 insertions, 0 deletions
diff --git a/lib/quickjs/quickjs.c b/lib/quickjs/quickjs.c
index 2d50e247..52f1d159 100644
--- a/lib/quickjs/quickjs.c
+++ b/lib/quickjs/quickjs.c
@@ -9886,6 +9886,15 @@ void *JS_GetOpaque2(JSContext *ctx, JSValueConst obj, JSClassID class_id)
     return p;
 }
 
+JSClassID JS_GetClassID(JSValueConst obj)
+{
+    JSObject *p;
+    if (JS_VALUE_GET_TAG(obj) != JS_TAG_OBJECT)
+        return 0;
+    p = JS_VALUE_GET_OBJ(obj);
+    return p->class_id;
+}
+
 #define HINT_STRING  0
 #define HINT_NUMBER  1
 #define HINT_NONE    2
diff --git a/lib/quickjs/quickjs.h b/lib/quickjs/quickjs.h
index b05e510d..1d761379 100644
--- a/lib/quickjs/quickjs.h
+++ b/lib/quickjs/quickjs.h
@@ -803,6 +803,7 @@ int JS_DefinePropertyGetSet(JSContext *ctx, JSValueConst this_obj,
 void JS_SetOpaque(JSValue obj, void *opaque);
 void *JS_GetOpaque(JSValueConst obj, JSClassID class_id);
 void *JS_GetOpaque2(JSContext *ctx, JSValueConst obj, JSClassID class_id);
+JSClassID JS_GetClassID(JSValueConst obj);
 
 /* 'buf' must be zero terminated i.e. buf[buf_len] = '\0'. */
 JSValue JS_ParseJSON(JSContext *ctx, const char *buf, size_t buf_len,