diff options
Diffstat (limited to 'src/bun.js/bindings/BunInjectedScriptHost.cpp')
| -rw-r--r-- | src/bun.js/bindings/BunInjectedScriptHost.cpp | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/src/bun.js/bindings/BunInjectedScriptHost.cpp b/src/bun.js/bindings/BunInjectedScriptHost.cpp new file mode 100644 index 000000000..2be574025 --- /dev/null +++ b/src/bun.js/bindings/BunInjectedScriptHost.cpp @@ -0,0 +1,211 @@ +#include "root.h" +#include "BunInjectedScriptHost.h" + +#include "ZigGeneratedClasses.h" +#include "DOMException.h" + +#include "JSDOMException.h" +#include "JSEventListener.h" +#include "JSEventTarget.h" +#include "JSWorker.h" +#include "JavaScriptCore/ObjectConstructor.h" + +#include "JSFetchHeaders.h" +#include "JSURLSearchParams.h" +#include "JSDOMFormData.h" +#include <JavaScriptCore/JSCallbackObject.h> +namespace Bun { + +using namespace JSC; +using namespace WebCore; + +JSValue BunInjectedScriptHost::subtype(JSGlobalObject* exec, JSValue value) +{ + VM& vm = exec->vm(); + + if ( + value.inherits<JSDOMException>() || value.inherits<JSResolveMessage>() || value.inherits<JSBuildMessage>()) + return jsNontrivialString(vm, "error"_s); + + return jsUndefined(); +} + +static JSObject* constructInternalProperty(VM& vm, JSGlobalObject* exec, const String& name, JSValue value) +{ + auto* object = constructEmptyObject(exec); + object->putDirect(vm, Identifier::fromString(vm, "name"_s), jsString(vm, name)); + object->putDirect(vm, Identifier::fromString(vm, "value"_s), value); + return object; +} + +static JSObject* constructInternalProperty(VM& vm, JSGlobalObject* exec, Identifier name, JSValue value) +{ + auto* object = constructEmptyObject(exec); + object->putDirect(vm, Identifier::fromString(vm, "name"_s), JSC::identifierToJSValue(vm, name)); + object->putDirect(vm, Identifier::fromString(vm, "value"_s), value); + return object; +} + +static JSObject* objectForEventTargetListeners(VM& vm, JSGlobalObject* exec, EventTarget* eventTarget) +{ + auto* scriptExecutionContext = eventTarget->scriptExecutionContext(); + if (!scriptExecutionContext) + return nullptr; + + JSObject* listeners = nullptr; + + for (auto& eventType : eventTarget->eventTypes()) { + unsigned listenersForEventIndex = 0; + auto* listenersForEvent = constructEmptyArray(exec, nullptr); + + for (auto& eventListener : eventTarget->eventListeners(eventType)) { + if (!is<JSEventListener>(eventListener->callback())) + continue; + + auto& jsListener = downcast<JSEventListener>(eventListener->callback()); + // if (jsListener.isolatedWorld() != ¤tWorld(*exec)) + // continue; + + auto* jsFunction = jsListener.ensureJSFunction(*scriptExecutionContext); + if (!jsFunction) + continue; + + auto* propertiesForListener = constructEmptyObject(exec); + propertiesForListener->putDirect(vm, Identifier::fromString(vm, "callback"_s), jsFunction); + propertiesForListener->putDirect(vm, Identifier::fromString(vm, "capture"_s), jsBoolean(eventListener->useCapture())); + propertiesForListener->putDirect(vm, Identifier::fromString(vm, "passive"_s), jsBoolean(eventListener->isPassive())); + propertiesForListener->putDirect(vm, Identifier::fromString(vm, "once"_s), jsBoolean(eventListener->isOnce())); + listenersForEvent->putDirectIndex(exec, listenersForEventIndex++, propertiesForListener); + } + + if (listenersForEventIndex) { + if (!listeners) + listeners = constructEmptyObject(exec); + listeners->putDirect(vm, Identifier::fromString(vm, eventType), listenersForEvent); + } + } + + return listeners; +} + +static JSValue constructDataProperties(VM& vm, JSGlobalObject* exec, JSArray* array, JSValue value) +{ + auto scope = DECLARE_THROW_SCOPE(vm); + + if (!value.isObject()) + return value; + + auto* object = asObject(value); + PropertyNameArray propertyNames(vm, PropertyNameMode::Strings, PrivateSymbolMode::Exclude); + object->getPropertyNames(exec, propertyNames, DontEnumPropertiesMode::Exclude); + RETURN_IF_EXCEPTION(scope, {}); + unsigned i = 0; + + for (auto& propertyName : propertyNames) { + auto propertyValue = object->getDirect(vm, propertyName); + + array->putDirectIndex(exec, i++, constructInternalProperty(vm, exec, propertyName, propertyValue)); + RETURN_IF_EXCEPTION(scope, {}); + } + + RELEASE_AND_RETURN(scope, array); +} + +static JSValue constructDataPropertiesSlow(VM& vm, JSGlobalObject* exec, JSArray* array, JSValue value) +{ + auto scope = DECLARE_THROW_SCOPE(vm); + + if (!value.isObject()) + return value; + + auto* object = asObject(value); + PropertyNameArray propertyNames(vm, PropertyNameMode::Strings, PrivateSymbolMode::Exclude); + object->getPropertyNames(exec, propertyNames, DontEnumPropertiesMode::Exclude); + RETURN_IF_EXCEPTION(scope, {}); + unsigned i = 0; + auto catcher = DECLARE_CATCH_SCOPE(vm); + + for (auto& propertyName : propertyNames) { + auto propertyValue = object->get(exec, propertyName); + if (catcher.exception()) { + catcher.clearException(); + propertyValue = jsUndefined(); + } + + array->putDirectIndex(exec, i++, constructInternalProperty(vm, exec, propertyName, propertyValue)); + RETURN_IF_EXCEPTION(scope, {}); + } + + RELEASE_AND_RETURN(scope, array); +} + +JSValue BunInjectedScriptHost::getInternalProperties(VM& vm, JSGlobalObject* exec, JSC::JSValue value) +{ + auto scope = DECLARE_THROW_SCOPE(vm); + + if (auto* worker = JSWorker::toWrapped(vm, value)) { + unsigned index = 0; + auto* array = constructEmptyArray(exec, nullptr); + + String name = worker->name(); + if (!name.isEmpty()) + array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "name"_s, jsString(vm, WTFMove(name)))); + + array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "terminated"_s, jsBoolean(worker->wasTerminated()))); + + if (auto* listeners = objectForEventTargetListeners(vm, exec, worker)) + array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "listeners"_s, listeners)); + + RETURN_IF_EXCEPTION(scope, {}); + return array; + } + + if (value.isCell()) { + JSC::JSCell* cell = value.asCell(); + JSC::JSType type = cell->type(); + + if (type == JSDOMWrapperType) { + if (auto* headers = jsDynamicCast<JSFetchHeaders*>(value)) { + auto* array = constructEmptyArray(exec, nullptr); + unsigned index = 0; + // array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "#inspect"_s, WebCore::getInternalProperties(vm, exec, headers))); + constructDataProperties(vm, exec, array, WebCore::getInternalProperties(vm, exec, headers)); + RETURN_IF_EXCEPTION(scope, {}); + return array; + } + + if (auto* params = jsDynamicCast<JSURLSearchParams*>(value)) { + auto* array = constructEmptyArray(exec, nullptr); + unsigned index = 0; + // array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "#inspect"_s, WebCore::getInternalProperties(vm, exec, params))); + constructDataProperties(vm, exec, array, WebCore::getInternalProperties(vm, exec, params)); + RETURN_IF_EXCEPTION(scope, {}); + return array; + } + + if (auto* formData = jsDynamicCast<JSDOMFormData*>(value)) { + unsigned index = 0; + auto* array = constructEmptyArray(exec, nullptr); + // array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "#inspect"_s, WebCore::getInternalProperties(vm, exec, formData))); + constructDataProperties(vm, exec, array, WebCore::getInternalProperties(vm, exec, formData)); + RETURN_IF_EXCEPTION(scope, {}); + return array; + } + } + } + + if (auto* eventTarget = JSEventTarget::toWrapped(vm, value)) { + unsigned index = 0; + auto* array = constructEmptyArray(exec, nullptr); + + if (auto* listeners = objectForEventTargetListeners(vm, exec, eventTarget)) + array->putDirectIndex(exec, index++, constructInternalProperty(vm, exec, "listeners"_s, listeners)); + + RETURN_IF_EXCEPTION(scope, {}); + return array; + } + + return {}; +} + +}
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