2 files changed, 9 insertions, 0 deletions
diff --git a/src/shared/quickjs/quickjs.c b/src/shared/quickjs/quickjs.c
index f90fb9e4f..5dee09b93 100644
--- a/src/shared/quickjs/quickjs.c
+++ b/src/shared/quickjs/quickjs.c
@@ -9822,6 +9822,14 @@ BOOL JS_SetConstructorBit(JSContext *ctx, JSValueConst func_obj, BOOL val)
     return TRUE;
 }
 
+JS_BOOL JS_IsArrayBuffer(JSValueConst v)
+{
+    if (!JS_IsObject(v))
+        return FALSE;
+    JSObject *p = JS_VALUE_GET_OBJ(v);
+    return p->class_id == JS_CLASS_ARRAY_BUFFER || p->class_id == JS_CLASS_SHARED_ARRAY_BUFFER;
+}
+
 BOOL JS_IsError(JSContext *ctx, JSValueConst val)
 {
     JSObject *p;
diff --git a/src/shared/quickjs/quickjs.h b/src/shared/quickjs/quickjs.h
index a5adf0cd2..73ba9a58e 100644
--- a/src/shared/quickjs/quickjs.h
+++ b/src/shared/quickjs/quickjs.h
@@ -665,6 +665,7 @@ JS_BOOL JS_IsFunction(JSContext* ctx, JSValueConst val);
 JS_BOOL JS_IsRegExp(JSContext* ctx, JSValueConst val);
 JS_BOOL JS_IsConstructor(JSContext* ctx, JSValueConst val);
 JS_BOOL JS_SetConstructorBit(JSContext *ctx, JSValueConst func_obj, JS_BOOL val);
+JS_BOOL JS_IsArrayBuffer(JSValueConst v);
 
 JSValue JS_NewArray(JSContext *ctx);
 int JS_IsArray(JSContext *ctx, JSValueConst val);