Method cancel_algorithm

modules/llrt_stream_web/src/readable/byte_controller.rs:1622–1641

(
        ctx: Ctx<'js>,
        objects: ReadableByteStreamObjects<'js, R>,
        reason: Value<'js>,
    )

    fn cancel_algorithm<R: ReadableStreamReader<'js>>(
        ctx: Ctx<'js>,
        objects: ReadableByteStreamObjects<'js, R>,
        reason: Value<'js>,
    ) -> Result<(
        Promise<'js>,
        ReadableStreamClassObjects<'js, OwnedBorrowMut<'js, Self>, R>,
    )> {
        let cancel_algorithm =
            objects.controller.cancel_algorithm.clone().expect(
                "cancel algorithm used after ReadableStreamDefaultControllerClearAlgorithms",
            );
        let promise_primordials = objects.stream.promise_primordials.clone();
        let objects_class = objects.into_inner();

        Ok((
            cancel_algorithm.call(ctx, &promise_primordials, reason)?,
            objects_class,
        ))
    }
}

#[methods(rename_all = "camelCase")]
impl<'js> ReadableByteStreamController<'js> {