@kitstack/nest-powertools/dist/hooks/resilient-http.hook.d.ts

A comprehensive collection of NestJS powertools, decorators, and utilities to supercharge your backend development

import type { HttpService } from '@nestjs/axios';
import { Observable } from 'rxjs';
import type { AxiosRequestConfig, AxiosResponse } from 'axios';
import type { ResilientHttpConfig, CircuitBreakerConfig, CircuitBreakerStats, HttpRequestMetrics } from '../types/hooks';
export declare class CircuitBreaker {
    private config;
    private state;
    private failureCount;
    private successCount;
    private lastFailureTime?;
    private nextAttemptTime?;
    private readonly logger;
    constructor(config: CircuitBreakerConfig);
    execute<T>(operation: () => Observable<T>): Promise<Observable<T>>;
    private shouldAttemptReset;
    private handleOpenCircuit;
    private onSuccess;
    private onFailure;
    getStats(): CircuitBreakerStats;
    reset(): void;
}
export declare class ResilientHttpService {
    private httpService;
    private readonly logger;
    private circuitBreakers;
    private metrics;
    constructor(httpService: HttpService);
    get<T = any>(url: string, config?: AxiosRequestConfig & ResilientHttpConfig): Observable<AxiosResponse<T>>;
    post<T = any>(url: string, data?: any, config?: AxiosRequestConfig & ResilientHttpConfig): Observable<AxiosResponse<T>>;
    put<T = any>(url: string, data?: any, config?: AxiosRequestConfig & ResilientHttpConfig): Observable<AxiosResponse<T>>;
    delete<T = any>(url: string, config?: AxiosRequestConfig & ResilientHttpConfig): Observable<AxiosResponse<T>>;
    patch<T = any>(url: string, data?: any, config?: AxiosRequestConfig & ResilientHttpConfig): Observable<AxiosResponse<T>>;
    private makeRequest;
    private applyRetryLogic;
    private getOrCreateCircuitBreaker;
    private getCircuitBreakerKey;
    private extractResilientConfig;
    private extractAxiosConfig;
    private recordMetrics;
    getCircuitBreakerStats(url?: string): CircuitBreakerStats[];
    getMetrics(limit?: number): HttpRequestMetrics[];
    resetCircuitBreaker(url: string): void;
    clearMetrics(): void;
}