Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89
Commit: 93712b24bf
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256
Reviewed-by: https://github.com/sideshowbarker

Libraries/LibJS/Runtime/Uint8Array.h

@@ -0,0 +1,62 @@
+/*
+ * Copyright (c) 2024, Tim Flynn <trflynn89@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/ByteBuffer.h>
+#include <AK/Optional.h>
+#include <AK/StringView.h>
+#include <LibJS/Forward.h>
+#include <LibJS/Heap/GCPtr.h>
+#include <LibJS/Runtime/Completion.h>
+#include <LibJS/Runtime/Value.h>
+
+namespace JS {
+
+class Uint8ArrayConstructorHelpers {
+public:
+    static void initialize(Realm&, Object& constructor);
+
+private:
+    JS_DECLARE_NATIVE_FUNCTION(from_base64);
+    JS_DECLARE_NATIVE_FUNCTION(from_hex);
+};
+
+class Uint8ArrayPrototypeHelpers {
+public:
+    static void initialize(Realm&, Object& prototype);
+
+private:
+    JS_DECLARE_NATIVE_FUNCTION(to_base64);
+    JS_DECLARE_NATIVE_FUNCTION(to_hex);
+    JS_DECLARE_NATIVE_FUNCTION(set_from_base64);
+    JS_DECLARE_NATIVE_FUNCTION(set_from_hex);
+};
+
+enum class Alphabet {
+    Base64,
+    Base64URL,
+};
+
+enum class LastChunkHandling {
+    Loose,
+    Strict,
+    StopBeforePartial,
+};
+
+struct DecodeResult {
+    size_t read { 0 };          // [[Read]]
+    ByteBuffer bytes;           // [[Bytes]]
+    Optional<Completion> error; // [[Error]]
+};
+
+ThrowCompletionOr<NonnullGCPtr<TypedArrayBase>> validate_uint8_array(VM&);
+ThrowCompletionOr<ByteBuffer> get_uint8_array_bytes(VM&, TypedArrayBase const&);
+void set_uint8_array_bytes(TypedArrayBase&, ReadonlyBytes);
+DecodeResult from_base64(VM&, StringView string, Alphabet alphabet, LastChunkHandling last_chunk_handling, Optional<size_t> max_length = {});
+DecodeResult from_hex(VM&, StringView string, Optional<size_t> max_length = {});
+
+}