Danboodu - Old image urls

Reverts raw image links on danbooru to old format, adds key bind for said links (~)
换行
// ==UserScript==
// @name         Danboodu - Old image urls
// @namespace    iwsfg
// @version      0.1.8
// @description  Reverts raw image links on danbooru to old format, adds key bind for said links (~)
// @author       Iwasawafag
// @include      http://*.donmai.us/posts/*
// @include      https://*.donmai.us/posts/*
// ==/UserScript==

$(function() {
    'use strict';

    $('#post-information a')
        .filter(function(i, el) {
            // Could be one of at least 3 different variants
            //
            // Post 3062641: "https://danbooru.donmai.us/data/__inubashiri_momiji_..."
            // Post 2716443: "https://hijiribe.donmai.us/data/__original_drawn_by_..."
            // Post 784297:  "https://raikou1.donmai.us/b0/05/__kiss_shot_a...__b005c471d483f..."
            return (/^(?:https?:\/\/[a-z0-9]+\.donmai\.us\/?)?\/(data\/|[a-f0-9/]{5}\/)(__).*?__([a-f0-9]+)\.[a-z]+$/i).test(el.href);
        })
        .add('#image-resize-link') // Links above large images that say "Resized to 42% of original (view original)"
        .each(function(i) {
            var link = $(this);
            var oldHref = $(this).attr('href');

            link.attr('href', oldHref.replace(/\/[^\/]*?([^_-]+$)/i, '/$1'));

            if (i > 0) return;

            $(document).keydown(function(e) {
                if (e.keyCode === 192) document.location.href = link.attr('href');
            });
        });
});