Wikipedia Decent Layout

Wikipedia classic (vector) layout

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         Wikipedia Decent Layout
// @namespace    http://tampermonkey.net/
// @version      1.0
// @description  Wikipedia classic (vector) layout
// @author       Bas Blanken
// @match        *://*.wikipedia.org/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=wikipedia.org
// @run-at       document-start
// @grant        none
// @license      MIT
// ==/UserScript==

(function() {
  'use strict'

  const vectorUrl = function (inputUrl) {
    let url = new URL(inputUrl)
    let params = new URLSearchParams(url.search)

    if (!params.has('useskin') || params.get('useskin') !== 'vector') {
      params.set('useskin', 'vector')
      url.search = params.toString()
    }

    return url.href
  }

  const current = window.location.href
  const parsedUrl = vectorUrl(current)

  if (parsedUrl !== current) {
    window.location.replace(parsedUrl)
  }

  for (const link of document.links) {
    const linkUrl = new URL(link.href)
    const hostNameParts = linkUrl.hostname.split('.')
    const linkHostName = hostNameParts.slice(-2).join('.')
    if (linkHostName === 'wikipedia.org') {
      const parsedLinkUrl = vectorUrl(linkUrl.href)
      if (parsedLinkUrl !== linkUrl.href) {
        link.href = parsedLinkUrl
      }
    }
  }
})()