This mixin is useful if component unmounts while timer is still running.
Why would component unmount? If user navigates aways from component that is running the timer, which is, in this case, the top level component. If the user navigates away from the timer app might it unmount?
This mixin is useful if component unmounts while timer is still running.
Why would component unmount? If user navigates aways from component that is running the timer, which is, in this case, the top level component. If the user navigates away from the timer app might it unmount?