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LibWeb: Add and use a helper to reject a promise with an exception

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This commit is contained in:
Sam Atkins
2024-03-08 15:37:28 +00:00
committed by Tim Flynn
parent 24951a039e
commit 4bdb7dba8c
Notes: sideshowbarker 2024-07-17 00:59:43 +09:00 
Author: https://github.com/AtkinsSJ
Commit: https://github.com/SerenityOS/serenity/commit/4bdb7dba8c
Pull-request: https://github.com/SerenityOS/serenity/pull/23526
Reviewed-by: https://github.com/trflynn89 ✅
10 changed files with 42 additions and 52 deletions
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5
Userland/Libraries/LibWeb/Streams/ReadableStreamGenericReader.cpp
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@@ -26,9 +26,8 @@ WebIDL::ExceptionOr<JS::NonnullGCPtr<JS::Promise>> ReadableStreamGenericReaderMi
{
// 1. If this.[[stream]] is undefined, return a promise rejected with a TypeError exception.
if (!m_stream) {
auto exception = JS::TypeError::create(m_realm, "No stream present to cancel"sv);
auto promise_capability = WebIDL::create_rejected_promise(m_realm, exception);
return JS::NonnullGCPtr { verify_cast<JS::Promise>(*promise_capability->promise().ptr()) };
WebIDL::SimpleException exception { WebIDL::SimpleExceptionType::TypeError, "No stream present to cancel"sv };
return WebIDL::create_rejected_promise_from_exception(m_realm, move(exception));
}
// 2. Return ! ReadableStreamReaderGenericCancel(this, reason).