LibJS: Add HasProperty to TypedArray

Author: https://github.com/davidot Commit: https://github.com/SerenityOS/serenity/commit/105e72cdad7 Pull-request: https://github.com/SerenityOS/serenity/pull/8191
2021-06-22 19:40:06 +02:00 · 2021-06-22 19:40:06 +02:00 · 105e72cdad · 2024-07-18 11:39:09 +09:00
commit 105e72cdad
parent f102b56345
1 changed files with 9 additions and 0 deletions
--- a/Userland/Libraries/LibJS/Runtime/TypedArray.h
+++ b/Userland/Libraries/LibJS/Runtime/TypedArray.h
@ -101,6 +101,15 @@ public:
        return viewed_array_buffer()->template get_value<T>(indexed_position.value(), true, ArrayBuffer::Order::Unordered);
    }

+    // 10.4.5.2 [[HasProperty]] ( P ), https://tc39.es/ecma262/#sec-integer-indexed-exotic-objects-hasproperty-p
+    bool has_property(const PropertyName& name) const override
+    {
+        if (name.is_number()) {
+            return is_valid_integer_index(name.as_number());
+        }
+        return Object::has_property(name);
+    }
+
    Span<const UnderlyingBufferDataType> data() const
    {
        return { reinterpret_cast<const UnderlyingBufferDataType*>(m_viewed_array_buffer->buffer().data() + m_byte_offset), m_array_length };