Add Sound Effect to Notification (#59)

* Add sound effect to notification

* - Capitalize constant variable name
- Add tslint ignore for floating promise

Author: Tamás Görgics

src/state/epics/timerEpics.ts

@@ -14,6 +14,8 @@ import timer from '../../assets/timer.svg'
 type EpicType = Epic<IRootActions, IRootActions, IRootState>
 const { stopTimer, countDownFinished, countDownOneSecond } = timerActions
 
+const SOUND_EFFECT = new Audio('https://s3-us-west-2.amazonaws.com/s.cdpn.io/123941/Yodel_Sound_Effect.mp3')
+
 export const startTimerEpic: EpicType = action$ =>
   action$.pipe(
     filter(isOfType(START_TIMER)),
@@ -49,6 +51,7 @@ export const alertEpic: EpicType = (action$, state$) =>
           badge: timer,
           icon: timer,
           vibrate: [2000, 2000, 2000],
+          sound: SOUND_EFFECT,
         }),
       ]
     }),

src/utils/notifications.ts

@@ -9,6 +9,7 @@ interface INotificationOptions {
   lang?: string
   tag?: string
   vibrate?: number[]
+  sound?: HTMLAudioElement
   onClose?: (e: Event) => any
 }
 
@@ -21,6 +22,9 @@ export function requestPermission() {
 export function notify(title: string, options?: INotificationOptions) {
   const notification = new Notification(title, options)
 
+  // tslint:disable-next-line: no-floating-promises
+  if (options && options.sound) options.sound.play()
+
   notification.onclick = () => {
     notification.close()
   }