mirror of
https://github.com/RGBCube/serenity
synced 2025-07-25 19:07:35 +00:00
LibWeb: Add ReadableStream.locked/cancel()/getReader()
This commit is contained in:
parent
d8710aa604
commit
36ca1386e8
6 changed files with 63 additions and 1 deletions
|
@ -4,6 +4,7 @@
|
|||
* SPDX-License-Identifier: BSD-2-Clause
|
||||
*/
|
||||
|
||||
#include <LibJS/Runtime/PromiseCapability.h>
|
||||
#include <LibWeb/Bindings/Intrinsics.h>
|
||||
#include <LibWeb/Streams/AbstractOperations.h>
|
||||
#include <LibWeb/Streams/ReadableStream.h>
|
||||
|
@ -60,6 +61,37 @@ ReadableStream::ReadableStream(JS::Realm& realm)
|
|||
|
||||
ReadableStream::~ReadableStream() = default;
|
||||
|
||||
// https://streams.spec.whatwg.org/#rs-locked
|
||||
bool ReadableStream::locked()
|
||||
{
|
||||
// 1. Return ! IsReadableStreamLocked(this).
|
||||
return is_readable_stream_locked(*this);
|
||||
}
|
||||
|
||||
// https://streams.spec.whatwg.org/#rs-cancel
|
||||
WebIDL::ExceptionOr<JS::GCPtr<JS::Object>> ReadableStream::cancel(JS::Value reason)
|
||||
{
|
||||
// 1. If ! IsReadableStreamLocked(this) is true, return a promise rejected with a TypeError exception.
|
||||
if (is_readable_stream_locked(*this)) {
|
||||
auto exception = MUST_OR_THROW_OOM(JS::TypeError::create(realm(), "Cannot cancel a locked stream"sv));
|
||||
return WebIDL::create_rejected_promise(realm(), JS::Value { exception })->promise();
|
||||
}
|
||||
|
||||
// 2. Return ! ReadableStreamCancel(this, reason).
|
||||
return TRY(readable_stream_cancel(*this, reason))->promise();
|
||||
}
|
||||
|
||||
// https://streams.spec.whatwg.org/#rs-get-reader
|
||||
WebIDL::ExceptionOr<ReadableStreamReader> ReadableStream::get_reader()
|
||||
{
|
||||
// FIXME:
|
||||
// 1. If options["mode"] does not exist, return ? AcquireReadableStreamDefaultReader(this).
|
||||
// 2. Assert: options["mode"] is "byob".
|
||||
// 3. Return ? AcquireReadableStreamBYOBReader(this).
|
||||
|
||||
return TRY(acquire_readable_stream_default_reader(*this));
|
||||
}
|
||||
|
||||
JS::ThrowCompletionOr<void> ReadableStream::initialize(JS::Realm& realm)
|
||||
{
|
||||
MUST_OR_THROW_OOM(Base::initialize(realm));
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue