> new Promise(resolve => doLater(resolve, cts.token)).then(handleResult); > setImmediate(() => cts.cancel());
> > In this scenario cancel would be called right after the resolve method > is called, but before handlerResult is called. For this to work with a > cancellation token you would need to pass the token to every step in > the chain to both stop work being done and to ignore the > result/prevent a handler from being called. Wouldn't it be better if > the promise chain took care of this for the programmer? I can be convinced that CancellationToken registrations should be invoked asynchronously, though I wonder if then CancellationTokenSource#cancel should return a Promise to observe any errors that occur. Ron _______________________________________________ es-discuss mailing list [email protected] https://mail.mozilla.org/listinfo/es-discuss

