made-diagnostics/Stopwatch.js

This package includes:

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.Stopwatch = void 0;
const perf_hooks_1 = require("perf_hooks");
/**
 * Defines a mechanism for measuring elapsed time.
 */
class Stopwatch {
    startTime = 0;
    endTime = 0;
    /**
     * Gets a value indicating whether the Stopwatch is running.
     */
    isRunning = false;
    /**
     * Gets the total elapsed time measured by the current instance, in milliseconds, once stopped.
     */
    elapsedMilliseconds() {
        if (this.isRunning) {
            this.endTime = perf_hooks_1.performance.now();
        }
        return this.endTime - this.startTime;
    }
    ;
    /**
     * Starts measuring elapsed time for an interval.
     */
    start() {
        if (this.isRunning) {
            return;
        }
        this.isRunning = true;
        this.startTime = perf_hooks_1.performance.now();
        console.log('Stopwatch started');
    }
    /**
     * Stops measuring elapsed time for an interval.
     */
    stop() {
        if (!this.isRunning) {
            return;
        }
        this.isRunning = false;
        this.endTime = perf_hooks_1.performance.now();
        console.log(`Stopwatch took ${this.elapsedMilliseconds()} to run`);
    }
    /**
     * Stops time interval measurement and resets the elapsed time to zero.
     */
    reset() {
        this.startTime = 0;
        this.endTime = 0;
        this.isRunning = false;
    }
    /**
     * Stops time interval measurement, resets the elapsed time to zero, and starts measuring elapsed time.
     */
    restart() {
        this.reset();
        this.start();
    }
    /**
     * Initializes a new Stopwatch instance, sets the elapsed time property to zero, and starts measuring elapsed time.
     */
    static startNew() {
        var stopwatch = new Stopwatch();
        stopwatch.start();
        return stopwatch;
    }
}
exports.Stopwatch = Stopwatch;
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