!README.md

test-nano-id

Result

This is a result of the test in my environment.

$ npm start >/dev/null
[Generate 1000000 IDs, Node.js version: v20.14.0]
#crypto.generateRandomUUID(): 1408.667041ms
#crypto.getRandomValues()   : 2624.5462079999998ms
#nanoid()                   : 1425.9569999999994ms

.gitignore

node_modules
package-lock.json

index.js

import { nanoid } from 'nanoid';

const measure = (id, callback) => {
  const start = performance.now();
  callback();
  const end = performance.now();
  console.error(`#${id}: ${end - start}ms`);
};

const generateUuidByCryptoGetRandomValues = () => {
  console.log(crypto.randomUUID());
}

const generateIdByCryptoGetRandomValues = () => {
  const arr = new Uint8Array(16);
  crypto.getRandomValues(arr)
  console.log(Buffer.from(arr).toString("base64url"));
}

const generateIdByNanoId = () => {
  console.log(nanoid());
}

const GenerateCount = 1_000_000;

const main = () => {
  console.error(`[Generate ${GenerateCount} IDs, Node.js version: ${process.version}]`);
  measure(`crypto.generateRandomUUID()`, () => {
    for (let i = 0; i < GenerateCount; i++) {
      generateUuidByCryptoGetRandomValues();
    }
  })
  measure(`crypto.getRandomValues()   `, () => {
    for (let i = 0; i < GenerateCount; i++) {
      generateIdByCryptoGetRandomValues();
    }
  })
  measure(`nanoid()                   `, () => {
    for (let i = 0; i < GenerateCount; i++) {
      generateIdByNanoId();
    }
  })
}

main();

package.json

{
  "name": "gist_20240609_test-nano-id",
  "author": "mryhryki",
  "private": true,
  "license": "MIT",
  "type": "module",
  "scripts": {
    "start": "node ./index.js"
  },
  "dependencies": {
    "nanoid": "^5.0.7"
  }
}