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/LibWeb/Encoding/TextEncoder.h

@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2021, Linus Groh <linusg@serenityos.org>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Forward.h>
+#include <AK/NonnullRefPtr.h>
+#include <AK/RefCounted.h>
+#include <LibJS/Forward.h>
+#include <LibWeb/Bindings/PlatformObject.h>
+#include <LibWeb/Forward.h>
+#include <LibWeb/WebIDL/Buffers.h>
+#include <LibWeb/WebIDL/Types.h>
+
+namespace Web::Encoding {
+
+// https://encoding.spec.whatwg.org/#dictdef-textencoderencodeintoresult
+struct TextEncoderEncodeIntoResult {
+    WebIDL::UnsignedLongLong read;
+    WebIDL::UnsignedLongLong written;
+};
+
+// https://encoding.spec.whatwg.org/#textencoder
+class TextEncoder final : public Bindings::PlatformObject {
+    WEB_PLATFORM_OBJECT(TextEncoder, Bindings::PlatformObject);
+    JS_DECLARE_ALLOCATOR(TextEncoder);
+
+public:
+    static WebIDL::ExceptionOr<JS::NonnullGCPtr<TextEncoder>> construct_impl(JS::Realm&);
+
+    virtual ~TextEncoder() override;
+
+    JS::NonnullGCPtr<JS::Uint8Array> encode(String const& input) const;
+    TextEncoderEncodeIntoResult encode_into(String const& source, JS::Handle<WebIDL::BufferSource> const& destination) const;
+
+    static FlyString const& encoding();
+
+protected:
+    // https://encoding.spec.whatwg.org/#dom-textencoder
+    explicit TextEncoder(JS::Realm&);
+
+    virtual void initialize(JS::Realm&) override;
+};
+
+}