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darrenmothersele/app-online.effects.ts

Created January 3, 2019 16:15
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NgRx Effect for App Online status
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app-online.effects.ts
@Effect()
online$ = merge(
fromEvent(window, 'online').pipe(mapTo(true)),
fromEvent(window, 'offline').pipe(mapTo(false))
).pipe(
startWith(navigator.onLine),
map(isOnline => isOnline ? new AppIsOnline() : new AppIsOffline())
);
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