@dudousxd/nestjs-telescope/dist/metrics/stats.service.d.ts

Laravel Telescope-style observability console for NestJS — core: watchers, recorder, correlation, SQLite store, headless API.

import type { StorageProvider } from '../storage/storage-provider.js';
import { type StatsResult } from './stats.js';
export interface StatsQuery {
    /** Required — stats are computed per entry type. */
    type: string;
    windowMs: number;
    buckets?: number;
}
export interface StatsServiceOptions {
    pageSize?: number;
    scanCap?: number;
    /** Threshold (ms) at/above which an entry counts as slow. Default 100. */
    slowMs?: number;
    defaultBuckets?: number;
}
/** Computes per-type analytics (latency percentiles, family/cache/status
 *  breakdowns, throughput) by aggregating stored entries over a window.
 *  Reads the store on demand and delegates the maths to {@link summarizeStats}. */
export declare class StatsService {
    private readonly storage;
    private readonly pageSize;
    private readonly scanCap;
    private readonly slowMs;
    private readonly defaultBuckets;
    constructor(storage: StorageProvider, options?: StatsServiceOptions);
    getStats(query: StatsQuery): Promise<StatsResult>;
    /**
     * Queries the 1-minute latency-histogram rollups for `type` over the window,
     * merges them element-wise, and estimates p50/p95/p99. Returns `undefined`
     * when no histogram samples exist (total 0), so the latency block's shape and
     * the "no durations ⇒ no latency" behavior match the raw path.
     */
    private estimatePercentiles;
}
//# sourceMappingURL=stats.service.d.ts.map