problem description

use RxJS to simulate the two-click exit function of App.
uses two methods, both of which are not very satisfactory. Is there a better way?

related codes

method 1: the problem with using the bufferTime operator
is that the buffer time of bufferTime does not start with a click, which may cause a value to be issued immediately after a click

click$.pipe(
  throttleTime(2000),
  tap(() => console.log("one")),
  concatMap(() => click$.pipe(
    tap(() => console.log("two")),
    take(1),
    takeUntil(of(1).pipe(delay(2000)))
  ))
).subscribe(v => console.log("success"))

finally see my supplement downstairs