src/Update/UpdateTimer.elm


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module Update.UpdateTimer
  ( TimerAction(..)
  , updateTimer
  ) where

import Model.Timer (..)
import Model.Id (..)

type TimerAction =
  ToggleRunning
  | Stop

updateTimer : TimerAction -> Timer -> Timer
updateTimer action timer =
  case action of
    ToggleRunning ->
      { timer | isRunning <- not timer.isRunning }
    Stop ->
      { timer
      | isRunning <- False
      , currentTime <- timer.initialTime
      }