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LibWeb: Implement WritableStreamDefaultWriter.abort()

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Matthew Olsson 2023-04-02 08:34:56 -07:00 • committed by Linus Groh
parent c421b6113c
commit 0c441fa7af
5 changed files with 32 additions and 1 deletions
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15
Userland/Libraries/LibWeb/Streams/WritableStreamDefaultWriter.cpp
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@ -49,6 +49,21 @@ JS::GCPtr<JS::Object> WritableStreamDefaultWriter::ready()
return m_ready_promise->promise();
}
// https://streams.spec.whatwg.org/#default-writer-abort
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> WritableStreamDefaultWriter::abort(JS::Value reason)
{
auto& realm = this->realm();
// 1. If this.[[stream]] is undefined, return a promise rejected with a TypeError exception.
if (!m_stream) {
auto exception = MUST_OR_THROW_OOM(JS::TypeError::create(realm, "Cannot abort a writer that has no locked stream"sv));
return WebIDL::create_rejected_promise(realm, exception)->promise();
}
// 2. Return ! WritableStreamDefaultWriterAbort(this, reason).
return TRY(writable_stream_default_writer_abort(*this, reason))->promise();
}
WritableStreamDefaultWriter::WritableStreamDefaultWriter(JS::Realm& realm)
: Bindings::PlatformObject(realm)
{