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LibWeb: Implement WritableStream.abort()

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This commit is contained in:
Matthew Olsson 2023-04-02 08:27:37 -07:00 • committed by Linus Groh
parent ae2d67c28b
commit c421b6113c
5 changed files with 72 additions and 3 deletions
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15
Userland/Libraries/LibWeb/Streams/WritableStream.cpp
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@ -76,6 +76,21 @@ WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> WritableStream::close()
return TRY(writable_stream_close(*this))->promise();
}
// https://streams.spec.whatwg.org/#ws-abort
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> WritableStream::abort(JS::Value reason)
{
auto& realm = this->realm();
// 1. If ! IsWritableStreamLocked(this) is true, return a promise rejected with a TypeError exception.
if (is_writable_stream_locked(*this)) {
auto exception = MUST_OR_THROW_OOM(JS::TypeError::create(realm, "Cannot abort a locked stream"sv));
return WebIDL::create_rejected_promise(realm, exception)->promise();
}
// 2. Return ! WritableStreamAbort(this, reason).
return TRY(writable_stream_abort(*this, reason))->promise();
}
// https://streams.spec.whatwg.org/#ws-get-writer
WebIDL::ExceptionOr<JS::NonnullGCPtr<WritableStreamDefaultWriter>> WritableStream::get_writer()
{