Missing overload for AbortController#abort with reason argument

[joprice]

By default, calling abort on an AbortController results in an error with signal is aborted without reason. There is an overload of abort that allows providing a more informative reason for the cancellation: https://developer.mozilla.org/en-US/docs/Web/API/AbortSignal/abort_static#reason

[MangelMaxime]

I suppose it should be of the type obj?

The reason why the operation was aborted, which can be any JavaScript value