url-parsing-comparison

_url-parsing-comparison

# Script to compare URL parsing between: url.parse, whatwg URL & request-target

index.js

const { URL, parse } = require('url')
const requestTarget = require('request-target')

const method = 'GET'
const headers = { host: 'localhost' }
const urls = [
  '/',
  '/some/path',
  '//some/path',
  '/user@pass',
  '//user@pass',
  '/some/path?key=value',
  '@@',
  '///',
]

const results = urls.map((url) => ({
  'request-target': requestTarget({ headers, method, url }),
  'new-url': getUrl(url),
  'url-parse': parse(url),
}));
const baseCounter = { 'request-target': 0, 'new-url': 0, 'url-parse': 0 };
const resultKeys = Object.keys(baseCounter);
const counters = results.reduce((acc, current) => {
  resultKeys.forEach((k) => acc[k] += current[k] ? 1 : 0)
  return acc;
}, baseCounter);


const props = ['protocol', 'host', 'pathname'];
results.forEach((result, index) => {
  let table = ''
  // header
  table += '| ' + ['method', ...props].join(' | ') + ' |\n'
  table += '| ' + ['method', ...props].map(x => '-').join(' | ') + ' |\n'
  // rows
  Object.keys(result).forEach((key) => {
    const res = result[key];
    const values = props.map((p) => res ? res[p] : 'N/A')
    table += '| ' + [key, ...values].join(' | ') + ' |\n'
  });

  console.log(`Parse results for **${urls[index]}**`)
  console.log(table)
})

console.log(`Urls parsed by method`)
console.log(`| ${resultKeys.join(' | ')} | total |`)
console.log(`| ${resultKeys.map(k => '-').join(' | ')} | - |`)
console.log(`| ${resultKeys.map(k => counters[k]).join(' | ')} | ${urls.length} |`)


function getUrl(url) {
  try {
    return new URL(`http://${url}`)
  } catch (e) {
    return null
  }
}

package.json

{
  "name": "original-url-pull-11",
  "version": "0.0.0",
  "private": true,
  "dependencies": {
    "request-target": "1.0.2"
  }
}