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parseurl

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parseurl

parse a url with memoization

  • 1.3.3
  • latest
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  • npm
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What is parseurl?

The parseurl npm package is used to parse URLs. It provides utilities for URL resolution and parsing to work with the components of URLs. It can be particularly useful in HTTP server handling to extract parts of the request URL.

What are parseurl's main functionalities?

Parse the URL of an HTTP request

This feature allows you to parse the URL of an incoming HTTP request and obtain components such as pathname, query, etc. The code sample creates an HTTP server that responds with the pathname of the request URL.

const parseurl = require('parseurl');
const http = require('http');

http.createServer(function (req, res) {
  const parsedUrl = parseurl(req);
  res.end('Pathname: ' + parsedUrl.pathname);
}).listen(3000);

Parse the same URL only once

This feature ensures that the URL is only parsed once and the result is cached. Subsequent calls to parseurl with the same request object will return the cached parsed URL object, improving performance.

const parseurl = require('parseurl');
const http = require('http');

http.createServer(function (req, res) {
  const parsedUrl = parseurl(req);
  // parseurl caches the parsed object in req._parsedUrl
  // Subsequent calls will return the cached version
  const sameParsedUrl = parseurl(req);
  res.end('Pathname: ' + sameParsedUrl.pathname);
}).listen(3000);

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Package last updated on 16 Apr 2019

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