在可见链接旁显示网站图标。包含菜单选项，如果图标未加载则使用dummyimage。
// ==UserScript==
// @name FaviconsPlox
// @name:es FaviconsPlox
// @name:en FaviconsPlox
// @name:fr FaviconsPlox
// @name:de FaviconsPlox
// @name:it FaviconsPlox
// @name:pt FaviconsPlox
// @name:ru FaviconsPlox
// @name:zh FaviconsPlox
// @name:ja FaviconsPlox
// @name:ko FaviconsPlox
// @name:zh-TW FaviconsPlox
// @name:zh-CN FaviconsPlox
// @namespace favicons-plox
// @version 0.0.1
// @description Muestra favicons junto a los enlaces visibles. Incluye opciones de menú y usa dummyimage como fallback si el favicon no carga.
// @description:es Muestra favicons junto a los enlaces visibles. Incluye opciones de menú y usa dummyimage como fallback si el favicon no carga.
// @description:en Shows favicons next to visible links. Includes menu options and uses dummyimage as fallback if the favicon fails to load.
// @description:fr Affiche les favicons à côté des liens visibles. Inclut des options de menu et utilise dummyimage comme fallback si le favicon ne charge pas.
// @description:de Zeigt Favicons neben sichtbaren Links an. Beinhaltet Menüoptionen und nutzt dummyimage als Fallback, wenn das Favicon nicht lädt.
// @description:it Mostra i favicon accanto ai link visibili. Include opzioni di menu e usa dummyimage come fallback se il favicon non viene caricato.
// @description:pt Mostra favicons junto aos links visíveis. Inclui opções de menu e usa dummyimage como fallback se o favicon não carregar.
// @description:ru Показывает фавиконы рядом с видимыми ссылками. Включает опции меню и использует dummyimage как запасной вариант, если фавикон не загружается.
// @description:zh 在可见链接旁显示网站图标。包含菜单选项，如果图标未加载则使用dummyimage。
// @description:ja 可視リンクの横にファビコンを表示。メニューオプションを含み、ファビコンが読み込めない場合はdummyimageを使用。
// @description:ko 보이는 링크 옆에 파비콘 표시. 메뉴 옵션 포함, 파비콘 로드 실패 시 dummyimage 사용.
// @description:zh-TW 在可見連結旁顯示網站圖示。包含選單選項，如圖示無法載入則使用dummyimage。
// @description:zh-CN 在可见链接旁显示网站图标。包含菜单选项，如果图标未加载则使用dummyimage。
// @author Alplox
// @match *://*/*
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @license MIT
// ==/UserScript==
(function() {
'use strict';
/********************************************
* ⚙️ OPCIONES Y ESTADO
********************************************/
const SETTINGS = {
enabled: "enabled",
externalOnly: "externalOnly"
};
const getSetting = (key, def = true) => GM_getValue(key, def);
const setSetting = (key, val) => GM_setValue(key, val);
function toggleSetting(key) {
const newVal = !getSetting(key);
setSetting(key, newVal);
refreshMenus();
removeFavicons();
if (getSetting(SETTINGS.enabled)) observeLinks();
}
/********************************************
* 🧭 MENÚ DINÁMICO
********************************************/
let menuIds = [];
function refreshMenus() {
for (const id of menuIds) {
try { GM_unregisterMenuCommand(id); } catch {}
}
menuIds = [];
const enabled = getSetting(SETTINGS.enabled);
const externalOnly = getSetting(SETTINGS.externalOnly);
menuIds.push(
GM_registerMenuCommand(
`${enabled ? "☑️" : "⬜"} Activar script (clic para ${enabled ? "desactivar" : "activar"})`,
() => toggleSetting(SETTINGS.enabled)
)
);
menuIds.push(
GM_registerMenuCommand(
`${externalOnly ? "☑️" : "⬜"} Solo enlaces externos`,
() => toggleSetting(SETTINGS.externalOnly)
)
);
}
refreshMenus();
/********************************************
* 🧩 FUNCIONALIDAD PRINCIPAL
********************************************/
const DUMMY_FAVICON = "https://dummyimage.com/16x16/888/fff.png&text=?";
const getFavicon = (domain) => `https://www.google.com/s2/favicons?sz=16&domain=${domain}`;
function addFavicon(link) {
if (link.dataset.faviconAdded) return;
link.dataset.faviconAdded = "true";
let url;
try {
url = new URL(link.href);
} catch {
return;
}
const img = document.createElement("img");
img.src = getFavicon(url.hostname);
img.alt = "favicon";
img.className = "user-favicon-icon";
img.style.cssText = `
width:16px;
height:16px;
margin-right:4px;
vertical-align:middle;
`;
// Si el favicon no carga → fallback dummyimage
img.onerror = () => {
img.onerror = null; // evitar bucles infinitos
img.src = DUMMY_FAVICON;
};
link.prepend(img);
}
function removeFavicons() {
document.querySelectorAll("img.user-favicon-icon").forEach((img) => img.remove());
document.querySelectorAll("a[data-favicon-added]").forEach((a) => delete a.dataset.faviconAdded);
if (observer) observer.disconnect();
}
/********************************************
* 👀 OBSERVADOR DE VISIBILIDAD
********************************************/
let observer;
function observeLinks() {
if (!getSetting(SETTINGS.enabled)) return;
if (observer) observer.disconnect();
const allLinks = Array.from(document.querySelectorAll('a[href]'));
const externalOnly = getSetting(SETTINGS.externalOnly);
const currentHost = location.hostname;
const links = allLinks.filter(link => {
if (!/^https?:/i.test(link.href)) return false;
if (externalOnly) {
try {
const url = new URL(link.href);
return url.hostname !== currentHost;
} catch { return false; }
}
return true;
});
if (!links.length) return;
const options = {
root: null,
rootMargin: "100px",
threshold: 0.1
};
observer = new IntersectionObserver((entries) => {
for (const entry of entries) {
if (entry.isIntersecting) {
addFavicon(entry.target);
observer.unobserve(entry.target);
}
}
}, options);
links.forEach(link => observer.observe(link));
}
/********************************************
* 🔄 OBSERVADOR DE CAMBIOS DINÁMICOS
********************************************/
const mutationObserver = new MutationObserver(() => observeLinks());
mutationObserver.observe(document.body, { childList: true, subtree: true });
// Inicializar si está activo
if (getSetting(SETTINGS.enabled)) observeLinks();
})();