key sanitization benchmark

benchmark.js

'use strict';

// 10 variables
const key1 = 'Basic local performance checking for 15,000 large unique keys generated by using:';
const key2 = 'age';
const key3 = 'addres - 1, 2, 3, 4, 5, 6, 7, 8, 9, 10';
const key4 = 'hobby';
const key5 = 'phone/phone_number';
const key6 = 'Basic local performance checking for 15,000 | " escape from reality" |  large unique keys generated by using:';
const key7 = 'job';
const key8 = 'some_long_variable/name/with/many/segments';

function sanitizeKey(value, delimiter = ':') {
  const str = String(value);
  if (str === 'undefined') return '_';
  let res = '';
  for (let i = 0, len = str.length; i < len; i++) {
    if (str[i] === '_') {
      // Ensuring that `some_key` is diffenret from `some{delimiter}key`
      res += '__';
    } else if (str[i] === delimiter) {
      res += '_';
    } else {
      res += str[i];
    }
  }
  return res;
}

function generateCompoundKey1() {
  return (
    key1 +
    '_' +
    key2 +
    '_' +
    Boolean(1) +
    '/' +
    //new Date() +
    //'_' +
    Boolean(2) +
    key3 +
    '_' +
    key4 +
    '_' +
    key5 +
    '_' +
    key6 +
    '_' +
    key7 +
    '_' +
    key8
  );
}

// same, but using sanitizeKey
function generateCompoundKey2() {
  return (
    sanitizeKey(key1, '/') +
    '_' +
    sanitizeKey(key2, '/') +
    '_' +
    Boolean(1) +
    '/' +
    //new Date() +
    //'_' +
    Boolean(2) +
    sanitizeKey(key3, '/') +
    '_' +
    sanitizeKey(key4, '/') +
    '_' +
    sanitizeKey(key5, '/') +
    '_' +
    sanitizeKey(key6, '/') +
    '_' +
    sanitizeKey(key7, '/') +
    '_' +
    sanitizeKey(key8, '/')
  );
}

// same, but using JSON.stringify
function generateCompoundKey3() {
  return JSON.stringify([
    key1,
    key2,
    Boolean(1),
    //new Date(),
    Boolean(2),
    key3,
    key4,
    key5,
    key6,
    key7,
    key8,
  ]);
}

function benchmark(keySerializer) {
  // benchmark it
  const start1 = new Date();
  let length = 0;
  for (let i = 0; i < 1000000; i++) {
    length = keySerializer().length;
  }
  const end1 = new Date();
  console.log(
    `Time taken for ${keySerializer.name}: ${
      end1 - start1
    }. Key length: ${length}`
  );
}

console.log(generateCompoundKey1());
console.log(generateCompoundKey2());
console.log(generateCompoundKey3());

// benchmark 20 times
for (let i = 0; i < 5; i++) {
  benchmark(generateCompoundKey1);
}

for (let i = 0; i < 5; i++) {
  benchmark(generateCompoundKey2);
}

// benchmark 20 times
for (let i = 0; i < 5; i++) {
  benchmark(generateCompoundKey3);
}