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LibJS: Fix .length attributes of various native functions
Namely the Proxy revocation, Promise resolving, Promise then/catch finally, and Promise GetCapabilitiesExecutor functions. They were all missing an explicit 'Attribute::Configurable' argument and therefore incorrectly used the default attributes (writable, enumerable, configurable).
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4 changed files with 6 additions and 5 deletions
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@ -25,6 +25,7 @@ PromiseCapability new_promise_capability(GlobalObject& global_object, Value cons
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Value reject { js_undefined() };
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} promise_capability_functions;
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// 27.2.1.5.1 GetCapabilitiesExecutor Functions, https://tc39.es/ecma262/#sec-getcapabilitiesexecutor-functions
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auto* executor = NativeFunction::create(global_object, "", [&promise_capability_functions](auto& vm, auto& global_object) -> Value {
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auto resolve = vm.argument(0);
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auto reject = vm.argument(1);
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@ -41,7 +42,7 @@ PromiseCapability new_promise_capability(GlobalObject& global_object, Value cons
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promise_capability_functions.reject = reject;
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return js_undefined();
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});
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executor->define_property(vm.names.length, Value(2));
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executor->define_property(vm.names.length, Value(2), Attribute::Configurable);
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MarkedValueList arguments(vm.heap());
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arguments.append(executor);
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