NestJS UUID to UID

ids-benchmark.ts

// to run this file, install: npm i --save benchmark uuid uid nanoid@3.x
// and then just run with: npx ts-node ids-benchmark.ts  

import * as Benchmark from 'benchmark';
import { uid } from 'uid';

import * as uuid from 'uuid';
import * as nanoid from 'nanoid';

const suite = new Benchmark.Suite();

suite.add('uuid', function () {
  const id = uuid.v4();
});

suite.add('nanoid', function () {
  const id = nanoid.nanoid();
});

suite.add('uid', function () {
  const id = uid(21);
});

suite
  // add listeners
  .on('cycle', function (event) {
    console.log(String(event.target));
  })
  .on('complete', function () {
    console.log('Fastest is ' + this.filter('fastest').map('name'));
  })
  .run({
    async: true,
  });

perf-startup-10000.ts

// this file I use to get the profiler information
// to run this file, compile to JavaScript first,
// then you run: node --prof dist/perf-startup-10000.js
// this will generate a file called: isolate-0xnnnnnnnnnnnn-v8.log
// to be able to read the information inside this file, run:
// node --prof-process isolate-0xnnnnnnnnnnnn-v8.log > processed.txt

import { AppModule } from '../src/app.module';
import { NestFactory } from '@nestjs/core';
import * as microtime from 'microtime';

async function main() {
  const start = microtime.now();

  for (let i = 0; i < 1e4; i++)
    await NestFactory.create(AppModule, { logger: false });

  const end = microtime.now();

  console.log(`Diff: ${end - start}`);
}

main();