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LibWeb: Implement '5.5. Response class' from the Fetch API :^)

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Linus Groh 2022-09-25 19:36:30 +01:00
parent 9fb672e981
commit 0b52b883af
9 changed files with 449 additions and 0 deletions
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78
Userland/Libraries/LibWeb/Fetch/Response.h Normal file
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/*
* Copyright (c) 2022, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <LibJS/Forward.h>
#include <LibWeb/Bindings/PlatformObject.h>
#include <LibWeb/Fetch/Body.h>
#include <LibWeb/Fetch/BodyInit.h>
#include <LibWeb/Fetch/Headers.h>
#include <LibWeb/Forward.h>
namespace Web::Fetch {
// https://fetch.spec.whatwg.org/#responseinit
struct ResponseInit {
u16 status;
String status_text;
Optional<HeadersInit> headers;
};
// https://fetch.spec.whatwg.org/#response
class Response final
: public Bindings::PlatformObject
, public BodyMixin {
WEB_PLATFORM_OBJECT(Response, Bindings::PlatformObject);
public:
static JS::NonnullGCPtr<Response> create(NonnullOwnPtr<Infrastructure::Response>, Headers::Guard, JS::Realm&);
static WebIDL::ExceptionOr<JS::NonnullGCPtr<Response>> create_with_global_object(HTML::Window&, Optional<BodyInit> const& body = {}, ResponseInit const& init = {});
virtual ~Response() override;
// ^BodyMixin
virtual Optional<MimeSniff::MimeType> mime_type_impl() const override;
virtual Optional<Infrastructure::Body&> body_impl() override;
virtual Optional<Infrastructure::Body const&> body_impl() const override;
[[nodiscard]] Infrastructure::Response& response() { return *m_response; }
[[nodiscard]] Infrastructure::Response const& response() const { return *m_response; }
// JS API functions
[[nodiscard]] static JS::NonnullGCPtr<Response> error();
[[nodiscard]] static WebIDL::ExceptionOr<JS::NonnullGCPtr<Response>> redirect(String const& url, u16 status);
[[nodiscard]] static WebIDL::ExceptionOr<JS::NonnullGCPtr<Response>> json(JS::Value data, ResponseInit const& init = {});
[[nodiscard]] Bindings::ResponseType type() const;
[[nodiscard]] String url() const;
[[nodiscard]] bool redirected() const;
[[nodiscard]] u16 status() const;
[[nodiscard]] bool ok() const;
[[nodiscard]] String status_text() const;
[[nodiscard]] JS::NonnullGCPtr<Headers> headers() const;
[[nodiscard]] WebIDL::ExceptionOr<JS::NonnullGCPtr<Response>> clone() const;
// Pull in json() from the BodyMixin, which gets lost due to the static json() above
using BodyMixin::json;
private:
Response(JS::Realm&, NonnullOwnPtr<Infrastructure::Response>);
virtual void visit_edges(Cell::Visitor&) override;
WebIDL::ExceptionOr<void> initialize_response(ResponseInit const&, Optional<Infrastructure::BodyWithType> const&);
// https://fetch.spec.whatwg.org/#concept-response-response
// A Response object has an associated response (a response).
NonnullOwnPtr<Infrastructure::Response> m_response;
// https://fetch.spec.whatwg.org/#response-headers
// A Response object also has an associated headers (null or a Headers object), initially null.
JS::GCPtr<Headers> m_headers;
};
}