nano-performance/dist/index.js

An extremely lightweight node module that measures execution time in nanoseconds

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const perf_hooks_1 = require("perf_hooks");
const timing = {};
const timeStart = (key) => {
    if (!key)
        return null;
    timing[key] = perf_hooks_1.performance.now();
    return true;
};
const timeEnd = (key, format = 'ms') => {
    if (!key)
        return null;
    const start = timing[key];
    if (!start)
        return null;
    let formatValue = 1000;
    switch (format.toLowerCase()) {
        case 'ns':
            formatValue = 1;
            break;
    }
    const end = perf_hooks_1.performance.now();
    const result = (end - start) / formatValue;
    console.log(`${key}: ${result} ${format}`);
    delete timing[key];
    return true;
};
exports.default = {
    timeStart,
    timeEnd
};
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