// ==UserScript==
// @name         KBin Redirect
// @namespace    http://herzberd.dev/
// @version      0.1
// @description  redirects Lemmy shortlinks to the appropriate page on KBin
// @author       @herzberd@kbin.social https://github.com/herzberd https://herzberd.dev/
// @match        https://kbin.social/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=kbin.social
// @grant        none
// @license      CC0 1.0 Universal
// @downloadURL none
// ==/UserScript==

'use strict';
const pattern = /!([A-Za-z0-9_]+)@([A-Za-z0-9.-]+)\b/g

var elements = document.getElementsByTagName('a')

for (var i = 0; i < elements.length; i++) {
    const matches = [...elements[i].innerText.matchAll(pattern)]
    if (matches.length > 0) {
        matches.forEach((match) => {
            const topic = match[1]
            const domain = match[2]
            elements[i].href = '/m/' + topic + '@' + domain
        })
    }
}