Greasy Fork Thumbnail Adder

Adds thumbnails to the script list on Greasy Fork.

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!)

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!)

// ==UserScript==
// @name         Greasy Fork Thumbnail Adder
// @name:ja      Greasy Fork Thumbnail Adder
// @namespace    http://tampermonkey.net/
// @version      0.6
// @description  Adds thumbnails to the script list on Greasy Fork.
// @description:ja Greasy Forkのスクリプト一覧に、詳細ページから抽出したサムネイルを追加表示します。
// @author       Gemini
// @match        https://greasyfork.org/*scripts*
// @license      MIT
// @grant        GM_xmlhttpRequest
// @connect      greasyfork.org
// @connect      *
// ==/UserScript==

(function() {
    'use strict';

    const scriptList = document.querySelectorAll('ol#browse-script-list > li');

    scriptList.forEach(li => {
        const article = li.querySelector('article');
        if (!article) return;

        const link = article.querySelector('h2 > a');
        if (!link) return;

        article.style.position = 'relative';
        article.style.paddingRight = '210px';
        article.style.minHeight = '150px';

        const scriptUrl = link.href;

        GM_xmlhttpRequest({
            method: "GET",
            url: scriptUrl,
            onload: function(response) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(response.responseText, "text/html");

                // ページ内のすべての画像を取得して、条件に合うものを探すにゃ
                const allImgs = doc.querySelectorAll('#script-screenshots img, .step-content img, #additional-info img, article img');
                let validImgSrc = "";

                for (let img of allImgs) {
                    const isIcon = img.src.includes('avatar') || img.src.includes('logo') || img.src.includes('badge');

                    // 簡易的なサイズ判定
                    const isSmall = (img.width > 0 && img.width < 100) || (img.height > 0 && img.height < 100);

                    if (!isIcon && !isSmall) {
                        validImgSrc = img.src;
                        break; 
                    }
                }

                // 個別ページに画像がない場合、OGPを最終手段にするにゃ
                if (!validImgSrc) {
                    const ogImg = doc.querySelector('meta[property="og:image"]');
                    if (ogImg && !ogImg.content.includes('black-logo')) {
                        validImgSrc = ogImg.content;
                    }
                }

                if (validImgSrc) {
                    const thumbContainer = document.createElement('div');
                    thumbContainer.style.cssText = `
                        position: absolute;
                        top: 15px;
                        right: 15px;
                        width: 180px;
                        height: 135px;
                        display: flex;
                        align-items: center;
                        justify-content: center;
                        overflow: hidden;
                        background: #fff;
                        border: 1px solid #eee;
                        border-radius: 8px;
                        box-shadow: 0 1px 4px rgba(0,0,0,0.1); /* 影を小さく調整したにゃ */
                        z-index: 10;
                    `;

                    const img = document.createElement('img');
                    img.src = validImgSrc;
                    img.style.cssText = `
                        width: 100%;
                        height: 100%;
                        object-fit: contain;
                        background: #fafafa;
                    `;

                    thumbContainer.appendChild(img);
                    article.appendChild(thumbContainer);
                }
            }
        });
    });
})();