Press 'R' to jump to a random wiki page.
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// ==UserScript==
// @name Wiki Randomizer
// @namespace https://script.zgc.im/
// @version 0.2
// @description Press 'R' to jump to a random wiki page.
// @author MidAutumnMoon
//
// @match https://zh.wikipedia.org/*
// @match https://en.wikipedia.org/*
// @match https://ja.wikipedia.org/*
// @match https://fr.wikipedia.org/*
// @match https://zh.moegirl.org.cn/*
// @match https://ja.moegirl.org.cn/*
// @match https://en.moegirl.org.cn/*
// @match https://tcrf.net/*
//
// @icon https://zh.wikipedia.org/favicon.ico
// @grant none
// ==/UserScript==
// Almost any Mediawiki sites use /Special:Random.
const MediawikiCommon = 'Special:Random';
// The total rules
const RULES = new Map([
// *.wikipedia.org
[ 'wikipedia.org', 'wiki/Special:Random' ],
// Cutting Room Floor
[ 'tcrf.net', 'Special:RandomRootpage' ],
// Moegirl wiki
[ 'moegirl.org.cn', 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 sub-domain 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 === 'KeyR' ) {
const location = get_rule();
switch ( location ) {
case null:
console.log( 'No rules for current site!' );
break;
default:
navigate_to( location );
break;
}
}
});
})();