@esmj/monitor - npm Package Compare versions

Comparing version 0.5.0 to 0.5.1

dist/index.js

		@@ -297,2 +297,26 @@ 'use strict';

		function memo(func) {
		return (function (func) {
		let cache = {};

		const keyGenerator = (...rest) => rest.join('-');
		const clear = () => {
		cache = {};
		};
		const memoized = (...rest) => {
		const key = keyGenerator(...rest);

		if (!cache[key]) {
		cache[key] = func(...rest);
		}

		return cache[key];
		};

		memoized.clear = clear;

		return memoized;
		})(func);
		}

		class MetricsHistory extends observable.Observer {
		@@ -305,2 +329,5 @@ #options = { limit: 60 };
		this.#options = { ...this.#options, ...options };

		this.percentileMemo = memo((...rest) => this.percentile(...rest));
		this.trendMemo = memo((...rest) => this.trend(...rest));
		}
		@@ -312,2 +339,6 @@

		get current() {
		return this.#history[this.#history.length - 1];
		}

		complete() {
		@@ -323,2 +354,5 @@ this.#history = [];
		}

		this.percentileMemo.clear();
		this.trendMemo.clear();
		}
		@@ -325,0 +359,0 @@

package.json

		{
		"name": "@esmj/monitor",
		"version": "0.5.0",
		"version": "0.5.1",
		"description": "Node.js performance measurement metrics (cpu, memory, event loop, gc)",
		@@ -5,0 +5,0 @@ "keywords": [

README.md

		@@ -25,4 +25,4 @@ # Monitor

		const { unsubscribe } = monitor.subscribe((metrics) => {
		console.log(metrics);
		const { unsubscribe } = monitor.subscribe((metric) => {
		console.log(metric);
		// {
		@@ -71,5 +71,8 @@ // cpuUsage: { user: 1692, system: 925, percent: 0.26 },
		console.log(metricsHistory.percentile('memoryUsage.rss', 80)); // 61
		console.log(metricsHistory.trend('memoryUsage.rss').predict()); // 65
		}, 5000);

		setTimeout(() => {
		console.log(metricsHistory.size) // 15;
		console.log(metricsHistory.current) // return last captured metric structure
		unsubscribe();
		@@ -159,2 +162,5 @@ monitor.stop();

		#### percentileMemo(key, number)
		Memoized version of percentile function. Cache is cleared after capture new metric.

		#### trend(key, limit)
		@@ -173,2 +179,5 @@ Returns linear regression variables `slope`, `yIntercept` and `predict` function for measured metric.

		Defined how much records use for calculating linear regression. Default is use all records from FIFO array.
		Defined how much records use for calculating linear regression. Default is use all records from FIFO array.

		#### trendMemo(key, number)
		Memoized version of trend function. Cache is cleared after capture new metric.

dist/index.cjs

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dist/index.mjs

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