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EmptyError

interface stable

An error thrown when an Observable or a sequence was queried but has no elements.

interface EmptyError extends Error {
}

See Also

  • first
  • last
  • single
  • firstValueFrom
  • lastValueFrom

© 2015–2021 Google, Inc., Netflix, Inc., Microsoft Corp. and contributors.
Code licensed under an Apache-2.0 License. Documentation licensed under CC BY 4.0.
https://rxjs.dev/api/index/interface/EmptyError

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Cons
EMPTY
EmptyError
ErrorNotification
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FactoryOrValue
Falsy
GlobalConfig
GroupedObservable
Head
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NEVER
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NotFoundError
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asap
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bindCallback()
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config
connectable()
defer()
empty()
firstValueFrom()
forkJoin()
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generate()
identity()
iif()
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isObservable()
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merge()
never()
noop()
observable
of()
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concat()
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connect()
count()
debounce()
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defaultIfEmpty()
delay()
delayWhen()
dematerialize()
distinct()
distinctUntilChanged()
distinctUntilKeyChanged()
elementAt()
endWith()
every()
exhaust
exhaustAll()
exhaustMap()
expand()
filter()
finalize()
find()
findIndex()
first()
flatMap
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ignoreElements()
isEmpty()
last()
map()
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materialize()
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min()
multicast()
observeOn()
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pairwise()
partition()
pluck()
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reduce()
refCount()
repeat()
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sequenceEqual()
share()
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single()
skip()
skipLast()
skipUntil()
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startWith()
subscribeOn()
switchAll()
switchMap()
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switchScan()
take()
takeLast()
takeUntil()
takeWhile()
tap()
throttle()
throttleTime()
throwIfEmpty()
timeInterval()
timeout()
timeoutWith()
timestamp()
toArray()
window()
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windowTime()
windowToggle()
windowWhen()
withLatestFrom()
zip()
zipAll()
zipWith()
fetch
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testing
RunHelpers
TestScheduler
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TestScheduler.run()
webSocket
WebSocketSubject
WebSocketSubject.lift()
WebSocketSubject.multiplex()
WebSocketSubject.unsubscribe()
WebSocketSubjectConfig
webSocket()
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