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LibJS: Add and use ValidateNonRevokedProxy AO

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This refactor is from two editorial changes to the spec from a while
back.

44d1cae2b2
21ffeee869
This commit is contained in:
Andrew Kaster 2025-04-23 01:30:43 -06:00 • committed by Jelle Raaijmakers
parent e48645c83f
commit 9bae24cc4a
Notes: github-actions[bot] 2025-04-24 08:38:42 +00:00
4 changed files with 107 additions and 122 deletions
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16
Libraries/LibJS/Runtime/Value.cpp
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@ -233,18 +233,16 @@ ThrowCompletionOr<bool> Value::is_array(VM& vm) const
return true;
// 3. If argument is a Proxy exotic object, then
if (is<ProxyObject>(object)) {
auto const& proxy = static_cast<ProxyObject const&>(object);
if (auto const* proxy = as_if<ProxyObject>(object)) {
// a. If argument.[[ProxyHandler]] is null, throw a TypeError exception.
if (proxy.is_revoked())
return vm.throw_completion<TypeError>(ErrorType::ProxyRevoked);
// a. Perform ? ValidateNonRevokedProxy(argument).
TRY(proxy->validate_non_revoked_proxy());
// b. Let target be argument.[[ProxyTarget]].
auto const& target = proxy.target();
// b. Let proxyTarget be argument.[[ProxyTarget]].
auto& proxy_target = proxy->target();
// c. Return ? IsArray(target).
return Value(&target).is_array(vm);
// c. Return ? IsArray(proxyTarget).
return Value(&proxy_target).is_array(vm);
}
// 4. Return false.