Wiki Randomizer

Press 'R' to jump to a random wiki page.

Fra og med 19.04.2021. Se den nyeste version.

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         Wiki Randomizer
// @namespace    https://script.zgc.im/
// @version      0.7
// @description  Press 'R' to jump to a random wiki page.
// @author       MidAutumnMoon
//
// @include /^https://.*\.wikipedia\.org/.*$/
// @include /^https://.*\.fandom\.com/.*$/
// @include /^https://.*\.moegirl\.org\.cn/.*$/
// @match https://tcrf.net/*
// @match https://wiki.archlinux.org/*
//
// @icon         https://zh.wikipedia.org/favicon.ico
// @grant        none
// ==/UserScript==

// Press this single key to do navigate (JavaScript keycode)
const THAT_KEY = 'KeyR';

// Almost any Mediawiki sites use /Special:Random.
const MediawikiCommon = 'Special:Random';

const RootpageCommon = 'Special:RandomRootpage';

// The total rules
const RULES = new Map([
  // *.wikipedia.org
  [ 'wikipedia.org', 'wiki/'+MediawikiCommon ],

  // Cutting Room Floor
  [ 'tcrf.net', RootpageCommon ],

  // 萌百!
  [ 'moegirl.org.cn', MediawikiCommon ],

  // Fandom
  [ 'fandom.com', 'wiki/'+RootpageCommon ],

  // Arch Linux wiki
  [ 'wiki.archlinux.org', 'index.php/'+MediawikiCommon ],
]);

// Main
(function() {
  'use strict';

  // Navigate to the `location` of current site.
  const navigate_to = ( location ) => {
    window.location.href = new URL( window.location.href ).origin + '/' + location;
  };

  // Get the rule associated with current site.
  const get_rule = () => {
    let domain = new URL( window.location.href ).host;
    let rule = '';

    for (;;) {
      rule = RULES.get(domain);

      if ( rule === undefined ) {
        // If no rules were found for current domain,
        // try matching 1 level upper instead.
        if ( ! validated_domain(domain) ) {
          return null;
        }
        // truncate one level of subdomain
        domain = domain.substring( domain.indexOf('.') + 1 );
      } else {
        // Otherwise just return the matched rule.
        return rule;
      }
    }

  };

  // There must be at least 2 dots in a valid domain name.
  const validated_domain = ( domain ) => {
    return ( (domain.match(/\./g) || []).length >= 2 );
  }

  // ...when press 'R'.
  document.addEventListener('keydown', ( event ) => {
    if ( event.code === THAT_KEY ) {
      const location = get_rule();

      switch ( location ) {
        case null:
          console.log( 'No rules for current site!' );
          break;
        default:
          navigate_to( location );
          break;
      }

    }
  });
})();