NH ↔ EH Crosslinker

Adds cross-links and re-adds them if the site removes them.

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

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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.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

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// ==UserScript==
// @name         NH ↔ EH Crosslinker
// @namespace    github.com/longkidkoolstar
// @version      0.3.2
// @description  Adds cross-links and re-adds them if the site removes them.
// @author       longkidkoolstar
// @match        https://nhentai.net/g/*
// @match        https://e-hentai.org/g/*
// @match        https://exhentai.org/g/*
// @grant        GM_setValue
// @grant        GM_getValue
// @grant        GM_registerMenuCommand
// @license      MIT
// @icon         https://i.postimg.cc/fb6L0sx9/e-h.png
// ==/UserScript==
 
(function () {
    'use strict';
 
    const url = location.href;
    const PREF_KEY = 'search_title_type';
    const PREF_DISPLAY = { 'english': 'English', 'romanized': 'Romanized', 'japanese': 'Japanese' };
 
    function getPreferredTitleType() { return GM_getValue(PREF_KEY, 'english'); }
    function setPreferredTitleType(type) { GM_setValue(PREF_KEY, type); location.reload(); }
 
    const currentType = getPreferredTitleType();
    GM_registerMenuCommand(`Search with English Title ${currentType === 'english' ? '✅' : ''}`, () => setPreferredTitleType('english'));
    GM_registerMenuCommand(`Search with Romanized Title ${currentType === 'romanized' ? '✅' : ''}`, () => setPreferredTitleType('romanized'));
    GM_registerMenuCommand(`Search with Japanese Title ${currentType === 'japanese' ? '✅' : ''}`, () => setPreferredTitleType('japanese'));
 
    function getTitle(site) {
        const type = getPreferredTitleType();
        let title = '';
        if (site === 'nhentai') {
            const h1 = document.querySelector('#info h1.title');
            const h2 = document.querySelector('#info h2.title');
            title = (type === 'japanese' && h2 && h2.innerText.trim()) ? h2.innerText : (h1 ? h1.innerText : '');
        } else if (site === 'ehentai') {
            const gn = document.querySelector('#gn');
            const gj = document.querySelector('#gj');
            title = (type === 'japanese' && gj && gj.innerText.trim()) ? gj.innerText : (gn ? gn.innerText : (gj ? gj.innerText : ''));
        }
        return cleanTitle(title, type);
    }
 
    function cleanTitle(title, type) {
        if (!title) return '';
        if (title.includes('|')) title = (type === 'english') ? title.split('|')[1] : title.split('|')[0];
        return title.replace(/\[[^\]]*\]/g, '').replace(/\b\d+\b/g, '').replace(/\s+/g, ' ').trim();
    }
 
    function initInfection() {
        if (url.includes('nhentai.net/g/')) {
            const title = getTitle('nhentai');
            if (!title) return;
            const artistEl = document.querySelector('.tag-container a[href^="/artist/"] .name');
            const query = title + (artistEl ? ` artist:${artistEl.textContent.trim()}` : '');
            const ehUrl = 'https://e-hentai.org/?f_search=' + encodeURIComponent(query);
            addButton('#info', `🔗 Search on e-hentai (${PREF_DISPLAY[currentType]})`, ehUrl, 'cross-eh');
        } else if (url.includes('e-hentai.org/g/') || url.includes('exhentai.org/g/')) {
            const title = getTitle('ehentai');
            if (!title) return;
            const artistEl = document.querySelector('#taglist a[href*="/tag/artist:"]');
            const query = title + (artistEl ? ` ${artistEl.textContent.trim()}` : '');
            const nhUrl = 'https://nhentai.net/search/?q=' + encodeURIComponent(query);
            addButton('#gd2', `🔗 Search on nhentai (${PREF_DISPLAY[currentType]})`, nhUrl, 'cross-nh');
        }
    }
 
    function addButton(parentSelector, text, link, id) {
        const parent = document.querySelector(parentSelector);
        if (!parent || document.getElementById(id)) return;
 
        const a = document.createElement('a');
        a.id = id;
        a.href = link;
        a.target = '_blank';
        a.textContent = text;
        a.style.cssText = 'display:inline-block; margin-top:15px; padding:5px 10px; background:#ed2553; color:#fff; border-radius:4px; font-size:14px; text-decoration:none; font-weight:bold;';
        parent.appendChild(a);
    }
 
    // Initial run
    initInfection();
 
    // Re-check every 1 second — if the button got removed, put it back
    setInterval(initInfection, 1000);
})();