han-prev-core/dist/interceptors/performance.interceptor.js

Core framework for Han - A powerful Node.js framework inspired by NestJS

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.PerformanceInterceptor = void 0;
const interceptor_interface_1 = require("../interfaces/interceptor.interface");
class PerformanceInterceptor extends interceptor_interface_1.BaseInterceptor {
    constructor(slowThreshold = 1000) {
        super();
        this.slowThreshold = slowThreshold;
    }
    beforeHandle(context) {
        context.startTime = Date.now();
    }
    afterHandle(context, response) {
        const { method, path, traceId, res } = context;
        const { duration } = response;
        res.setHeader("X-Response-Time", `${duration}ms`);
        if (traceId) {
            res.setHeader("X-Trace-ID", traceId);
        }
        if (duration > this.slowThreshold) {
            console.warn(`🐌 SLOW REQUEST: ${method} ${path} took ${duration}ms (threshold: ${this.slowThreshold}ms) - [${traceId}]`);
        }
    }
    onError(context, error) {
        const { method, path, traceId } = context;
        const duration = Date.now() - context.startTime;
        console.error(`⚡ PERFORMANCE ERROR: ${method} ${path} failed after ${duration}ms - [${traceId}]:`, error.message);
    }
}
exports.PerformanceInterceptor = PerformanceInterceptor;
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