strogger/dist/utils/sampling.d.ts

📊 A modern structured logging library with functional programming, duck-typing, and comprehensive third-party integrations

import type { LoggerConfig } from "../types";
export interface RateLimiterState {
    tokens: number;
    lastRefill: number;
    maxTokens: number;
    refillRate: number;
}
export interface SamplingState {
    totalLogs: number;
    sampledLogs: number;
}
/**
 * Creates a rate limiter using token bucket algorithm
 */
export declare const createRateLimiter: (maxLogsPerSecond: number, burstSize: number) => {
    tryConsume: (tokens?: number) => boolean;
    getState: () => {
        tokens: number;
        lastRefill: number;
        maxTokens: number;
        refillRate: number;
    };
};
/**
 * Creates a sampling function that respects the sampling rate
 */
export declare const createSampler: (samplingRate: number) => {
    shouldSample: () => boolean;
    getStats: () => {
        totalLogs: number;
        sampledLogs: number;
        samplingRate: number;
        configuredRate: number;
    };
};
/**
 * Creates a combined sampling and rate limiting function
 */
export declare const createLogFilter: (config: LoggerConfig) => {
    shouldLog: () => boolean;
    getStats: () => {
        rateLimit: {
            tokens: number;
            lastRefill: number;
            maxTokens: number;
            refillRate: number;
        } | undefined;
        sampling: {
            totalLogs: number;
            sampledLogs: number;
            samplingRate: number;
            configuredRate: number;
        } | undefined;
    };
};
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