Use prototype property in Float16Array brand check

petamoriken · Sep 5, 2021 · 31a9d9a · 31a9d9a
1 parent 1aa9fc0
commit 31a9d9a
Showing 1 changed file with 6 additions and 1 deletion.
diff --git a/src/Float16Array.mjs b/src/Float16Array.mjs
@@ -17,7 +17,12 @@ function hasFloat16ArrayBrand(target) {
     return false;
   }
 
-  const constructor = target.constructor;
+  const prototype = Object.getPrototypeOf(target);
+  if (!isObjectLike(prototype)) {
+    return false;
+  }
+
+  const constructor = prototype.constructor;
   if (constructor === undefined) {
     return false;
   }