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Why @ylcnfrht/resilience
Concepts
Pipelines and strategy order
What counts as a failure
Context, signals and deadlines
Typed errors
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Bundle size
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Retry
Timeout
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Concurrency limiter (bulkhead)
Adaptive concurrency
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Lock
Chaos
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Integrations
fetch
axios
Express and Hono
Fastify
Koa
NestJS
Redis
Adapters
OpenTelemetry
Prometheus
createStats
Hystrix dashboard
Guides & recipes
Testing resilience code
Databases (Postgres)
Serverless (Lambda, Workers)
Running several instances
Streaming responses
Calling rate-limited APIs
Load shedding
Chaos game days
Migrating
From Polly (.NET)
From cockatiel
From opossum
From p-retry
From axios-retry
From tenace
From @nestjs/resilience
Reference
Error codes & HTTP mapping
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Options cheat sheet
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API
adapters
Interfaces
RateLimiterFlexibleLike
Functions
fromRateLimiterFlexible
axios
Interfaces
AxiosLike
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AxiosLikeResponse
AxiosResilience
AxiosResilienceOptions
Functions
attachResilience
fastify
Functions
fastifyResilience
fetch
Interfaces
HttpResilienceOptions
RequestResilience
ResilientFetchOptions
ResilientRequestInit
RetryOnArgs
Type Aliases
ResilientFetch
RetryOn
Functions
createResilientFetch
isTransientHttpOutcome
parseRetryAfter
retryAfterMs
standardHttpPipeline
http
Interfaces
InboundOptions
ResilienceErrorDescription
Variables
HTTP_REQUEST
Functions
describeResilienceError
honoResilience
httpStatusFor
resilienceMiddleware
retryAfterSeconds
hystrix
Interfaces
HystrixOptions
HystrixStream
Functions
createHystrixStream
index
Classes
AdaptiveConcurrencyLimiterStrategy
AdaptiveLimitProvider
BrokenCircuitError
BulkheadRejectedError
BurstyRateLimiter
CacheStrategy
CallRejectedError
CircuitBreakerManualControl
CircuitBreakerStateProvider
CircuitBreakerStrategy
ConcurrencyLimiterStrategy
ExecutionRejectedError
FallbackStrategy
FixedWindowRateLimiterStrategy
HedgingStrategy
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LockLostError
LockNotAcquiredError
LockStrategy
MemoryCacheStore
MemoryCircuitStateStore
MemoryLockStore
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PartitionedRateLimiterStrategy
PermitLimitExceededError
PipelineBuilder
PredicateBuilder
RateLimiterControl
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TimeoutRejectedError
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TokenBucketStrategy
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BackoffOptions
Batcher
BatcherOptions
BreakDurationArgs
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ChaosBehaviorOptions
ChaosFaultOptions
ChaosLatencyOptions
ChaosOptions
ChaosOutcomeOptions
CircuitBreakerHandle
CircuitBreakerOptions
CircuitBreakerPolicy
CircuitHealthCheckOptions
CircuitMetrics
CircuitSnapshot
CircuitStateStore
ConcurrencyLimiterOptions
Counts
ExecuteOptions
ExecutionInfo
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GlobalChaosOptions
Gradient2Options
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HedgingDelayArgs
HedgingOptions
Instrumentation
LimitAlgorithm
LimitSample
LockOptions
LockStore
MapOptions
OnCacheHitArgs
OnCacheMissArgs
OnCircuitClosedArgs
OnCircuitOpenedArgs
OnCircuitRejectedArgs
OnExecutionAttemptArgs
OnFailedAttemptArgs
OnHedgingArgs
OnLimitChangedArgs
OnLockLostArgs
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OnRetryArgs
OnStaleServedArgs
OnTimeoutArgs
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PartitionedRateLimiterSnapshot
PermitRateLimiterOptions
PipelineOptions
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RateLimiterSnapshot
RateLimitInfo
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Stats
StatsOptions
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TelemetryEvent
TelemetrySource
TimeoutOptions
TimeProvider
TokenBucketOptions
TokenBucketState
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WaitForOptions
WindowCounterState
Type Aliases
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ErrorCodes
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LatencyStats
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Next
Outcome
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WithErrors
Variables
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LOCK_TOKEN
Outcome
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systemTime
TELEMETRY_CHANNEL
unrefSystemTime
Functions
adaptiveConcurrencyLimiterStrategy
aimd
all
allSettled
cacheStrategy
chaosBehaviorStrategy
chaosFaultStrategy
chaosLatencyStrategy
chaosOutcomeStrategy
circuitBreakerStrategy
circuitHealthCheck
coalesceStrategy
computeDelay
concurrencyLimiterStrategy
createBatcher
createContext
createStats
defaultFallbackShouldHandle
defaultShouldDrop
defaultShouldHandle
fallbackOnStrategy
fallbackStrategy
fixedWindowRateLimiterStrategy
getLockToken
getRateLimitInfo
getResilienceContext
getResilienceSignal
gradient2
hedgingStrategy
instrument
isAbortError
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isClientError
isNonRetryableError
isRateLimitError
isRejection
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isTimeoutError
linkSignals
lockStrategy
map
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nextTelemetry
onTelemetry
partitionedRateLimiterStrategy
registerResultAdapter
report
resilient
retry
retryStrategy
setGlobalChaos
sharedCircuitState
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staleFallbackStrategy
stamp
timeoutStrategy
tokenBucketStrategy
toMs
unregisterResultAdapter
vegas
waitFor
weighted
withTimeout
koa
Functions
koaResilience
nestjs
Classes
ResilienceModule
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RESILIENCE_MODULE_OPTIONS
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Timeout
UsePipeline
References
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otel
Interfaces
OpenTelemetryOptions
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errorType
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outcome
References
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IsolatedCircuitError
isRateLimitError
isRejection
isResilienceError
isTimeoutError
NonRetryableError
Outcome
OutcomeError
OutcomeHandlers
OutcomeValue
RateLimiterRejectedError
registerResultAdapter
ResultAdapter
TimeoutRejectedError
UnexpectedError
unregisterResultAdapter
prometheus
Interfaces
PrometheusOptions
Functions
instrumentPrometheus
redis
Classes
RedisCacheStore
RedisCircuitStateStore
RedisLockStore
RedisRateLimiter
Interfaces
RedisClient
RedisRateLimiterOptions
RedisStoreOptions
Functions
fromNodeRedis
redisPartitionLimiter
testing
Classes
FakeTimeProvider
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fastify
Functions
Section titled “Functions”
fastifyResilience
