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LibWeb: Don't allocate XMLHttpRequestConstructor twice

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add_constructor() will already allocate an XMLHttpRequestConstructor and
update m_xhr_constructor accordingly, we don't have to do it ourselves.
This is now in line with how all the LibJS constructors work. Also make
the XHR constructor responsible for setting its "prototype" property
itself, for consistency and fail-proofing.
Previously we would only set it on the constructor we allocated manually
but which was then thrown away, leading to the property never being set
properly.
This commit is contained in:
Linus Groh 2020-12-09 00:14:43 +00:00 • committed by Andreas Kling
parent 5e9f6f2e2c
commit 50b76e4cc7
Notes: sideshowbarker 2024-07-19 00:57:49 +09:00
2 changed files with 5 additions and 4 deletions
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2
Libraries/LibWeb/Bindings/WindowObject.cpp
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@ -85,8 +85,6 @@ void WindowObject::initialize()
define_property("location", heap().allocate<LocationObject>(*this, *this), JS::Attribute::Enumerable | JS::Attribute::Configurable);
m_xhr_prototype = heap().allocate<XMLHttpRequestPrototype>(*this, *this);
m_xhr_constructor = heap().allocate<XMLHttpRequestConstructor>(*this, *this);
m_xhr_constructor->define_property("prototype", m_xhr_prototype, 0);
add_constructor("XMLHttpRequest", m_xhr_constructor, m_xhr_prototype);
}

7
Libraries/LibWeb/Bindings/XMLHttpRequestConstructor.cpp
View file

@ -26,9 +26,9 @@
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/GlobalObject.h>
#include <LibJS/Runtime/Shape.h>
#include <LibWeb/Bindings/WindowObject.h>
#include <LibWeb/Bindings/XMLHttpRequestConstructor.h>
#include <LibWeb/Bindings/XMLHttpRequestPrototype.h>
#include <LibWeb/Bindings/XMLHttpRequestWrapper.h>
#include <LibWeb/DOM/XMLHttpRequest.h>
@ -41,8 +41,11 @@ XMLHttpRequestConstructor::XMLHttpRequestConstructor(JS::GlobalObject& global_ob
void XMLHttpRequestConstructor::initialize(JS::GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
define_property("length", JS::Value(1), JS::Attribute::Configurable);
auto& window = static_cast<WindowObject&>(global_object);
define_property(vm.names.prototype, window.xhr_prototype(), 0);
define_property(vm.names.length, JS::Value(1), JS::Attribute::Configurable);
define_property("UNSENT", JS::Value((i32)XMLHttpRequest::ReadyState::Unsent), JS::Attribute::Enumerable);
define_property("OPENED", JS::Value((i32)XMLHttpRequest::ReadyState::Opened), JS::Attribute::Enumerable);