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@croco/retry-core

v0.0.2

Published

Croco의 재시도 계층입니다. 백오프 정책, 선언형 재시도, 서킷 브레이커, Lambda 실행 시간 보호를 함께 제공합니다.

Readme

@croco/retry-core

Croco의 재시도 계층입니다. 백오프 정책, 선언형 재시도, 서킷 브레이커, Lambda 실행 시간 보호를 함께 제공합니다.

설치

pnpm add @croco/retry-core

사용법

RetryTemplate

import { RetryTemplate } from "@croco/retry-core";

const template = new RetryTemplate({
  maxAttempts: 3,
  backoff: { delay: 100, multiplier: 2 },
});

await template.execute(async () => "ok");

@Retryable와 @Recover

import { Recover, Retryable } from "@croco/retry-core";

class PaymentService {
  @Retryable({ maxAttempts: 3, backoff: { delay: 100 } })
  async charge(): Promise<string> {
    return "ok";
  }

  @Recover
  async recoverCharge(): Promise<string> {
    return "fallback";
  }
}

서킷 브레이커

import { CircuitBreaker } from "@croco/retry-core";

const breaker = new CircuitBreaker({
  circuitId: "payments",
  failureThreshold: 5,
  openDuration: 30000,
});

API 레퍼런스

  • 재시도 템플릿: RetryTemplate, RetryOrchestrator, RetryContext
  • 데코레이터: Retryable, Recover
  • 정책과 백오프: DefaultRetryPolicy, ExponentialBackoff, FixedBackoff, NoBackoff
  • 서킷 브레이커: CircuitBreaker, CircuitBreakerRetryTemplate, CircuitState, InMemoryCircuitBreakerStateStore, RedisCircuitBreakerStore
  • Lambda 연동: LambdaTimeoutGuard, setLambdaContext, getRemainingTimeInMillis, hasTimeForRetry
  • Problem 타입: RetryExhaustedProblem, RetryAbortedProblem, CircuitBreakerOpenProblem, CircuitBreakerUnexpectedStateProblem
  • 타입: RetryableOptions, RetryTemplateOptions, BackoffOptions, CircuitBreakerOptions, RetryListener