Greasy Fork镜像 is available in English.
Tries to scroll to an anchor on pages with dynamic content loading by repeatedly scrolling down. Handles hash changes.
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// ==UserScript==
// @name Auto scroll to anchor on dynamic pages
// @name:en Auto scroll to anchor on dynamic pages
// @name:ru Автоматическая прокрутка к якорю на динамических страницах
// @namespace http://tampermonkey.net/
// @version 2025-05-15_6-50 // Не забывайте обновлять версию
// @description Tries to scroll to an anchor on pages with dynamic content loading by repeatedly scrolling down. Handles hash changes.
// @description:en Tries to scroll to an anchor on pages with dynamic content loading by repeatedly scrolling down. Handles hash changes.
// @description:ru Пытается прокрутить до якоря на страницах с динамической загрузкой контента, многократно прокручивая вниз. Обрабатывает изменения хеша.
// @author Igor Lebedev + (DeepSeek and Gemini Pro)
// @license GPL-3.0-or-later
// @match *://*/*
// @icon data:image/svg+xml;base64,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
// @grant none
// @run-at document-start
// ==/UserScript==
(function() {
'use strict';
// --- Определение среды выполнения ---
let executionEnvironment = 'userscript'; // По умолчанию считаем, что это userscript
let logPrefix = "[AutoScrollToAnchor]"; // Префикс для логов userscript
try {
if (typeof browser !== 'undefined' && browser.runtime && browser.runtime.id) {
executionEnvironment = 'extension_firefox';
logPrefix = "[AutoScrollExt FF]";
} else if (typeof chrome !== 'undefined' && chrome.runtime && chrome.runtime.id) {
// Это может быть Chrome расширение или Firefox (где chrome является псевдонимом browser)
// Для большей точности можно проверить chrome.runtime.getURL("").startsWith("moz-extension://") для Firefox
if (chrome.runtime.getURL && chrome.runtime.getURL("").startsWith("moz-extension://")) {
executionEnvironment = 'extension_firefox';
logPrefix = "[AutoScrollExt FF]";
} else {
executionEnvironment = 'extension_chrome_or_edge'; // или другое на базе Chromium
logPrefix = "[AutoScrollExt Cr]";
}
}
} catch (e) {
// Ошибка доступа к browser.runtime или chrome.runtime может возникнуть, если они не определены.
// В этом случае остаемся со значением по умолчанию 'userscript'.
}
// ------------------------------------
// Настройки (остаются общими)
const MAX_ATTEMPTS = 30;
const SCROLL_INTERVAL_MS = 750;
const SCROLL_AMOUNT_PX = window.innerHeight * 0.8;
const FAST_CHECK_DELAY_MS = 250;
const INITIAL_DELAY_MS = 500;
let currentIntervalId = null;
let currentSearchAnchorName = '';
// Используем определенный ранее logPrefix
function log(message) {
console.log(`${logPrefix} ${message}`);
}
if (executionEnvironment !== 'userscript') { // Для расширений можно добавить ID расширения, если нужно
log(`Running as ${executionEnvironment}. Extension ID (if applicable): ${ (typeof browser !== 'undefined' && browser.runtime && browser.runtime.id) || (typeof chrome !== 'undefined' && chrome.runtime && chrome.runtime.id) || 'N/A'}`);
} else {
log(`Running as ${executionEnvironment}.`);
}
function stopCurrentSearch(reason = "generic stop") {
if (currentIntervalId) {
clearInterval(currentIntervalId);
currentIntervalId = null;
log(`Search for #${currentSearchAnchorName} stopped. Reason: ${reason}`);
}
}
function findAndScrollToElement(anchorName) {
const currentUrlAnchor = window.location.hash.substring(1);
if (anchorName && currentUrlAnchor !== anchorName && currentUrlAnchor !== '') {
log(`URL hash changed to #${currentUrlAnchor} while searching for #${anchorName}. Stopping this specific search.`);
return false;
}
if (!anchorName) return false;
const elementById = document.getElementById(anchorName);
const elementByName = !elementById ? document.querySelector(`[name="${anchorName}"]`) : null;
const targetElement = elementById || elementByName;
if (targetElement) {
log(`Anchor #${anchorName} found.`);
targetElement.scrollIntoView({ behavior: 'smooth', block: 'center' });
const originalBg = targetElement.style.backgroundColor;
targetElement.style.backgroundColor = 'yellow';
setTimeout(() => {
targetElement.style.backgroundColor = originalBg;
}, 2000);
return true;
}
return false;
}
function startSearchingForAnchor(anchorNameToSearch) {
stopCurrentSearch(`starting new search for #${anchorNameToSearch}`);
if (!anchorNameToSearch) {
log("No anchor specified in URL, nothing to do.");
currentSearchAnchorName = '';
return;
}
currentSearchAnchorName = anchorNameToSearch;
log(`Starting search for anchor: #${currentSearchAnchorName}`);
let attempts = 0;
if (findAndScrollToElement(currentSearchAnchorName)) {
stopCurrentSearch(`found #${currentSearchAnchorName} immediately`);
return;
}
currentIntervalId = setInterval(() => {
const currentUrlAnchorWhenIntervalFired = window.location.hash.substring(1);
if (currentUrlAnchorWhenIntervalFired !== currentSearchAnchorName) {
log(`URL hash changed to #${currentUrlAnchorWhenIntervalFired} (or removed) while actively searching for #${currentSearchAnchorName}. Stopping this search.`);
stopCurrentSearch("URL hash changed during interval");
return;
}
if (findAndScrollToElement(currentSearchAnchorName)) {
stopCurrentSearch(`found #${currentSearchAnchorName} after scrolling`);
return;
}
attempts++;
if (attempts > MAX_ATTEMPTS) {
console.warn(`${logPrefix} Anchor #${currentSearchAnchorName} not found after ${MAX_ATTEMPTS} attempts.`);
stopCurrentSearch(`max attempts reached for #${currentSearchAnchorName}`);
return;
}
log(`Attempt ${attempts}/${MAX_ATTEMPTS} for #${currentSearchAnchorName}: Scrolling down...`);
window.scrollBy(0, SCROLL_AMOUNT_PX);
setTimeout(() => {
if (!currentIntervalId) return;
const currentUrlAnchorForFastCheck = window.location.hash.substring(1);
if (currentUrlAnchorForFastCheck !== currentSearchAnchorName) {
return;
}
if (findAndScrollToElement(currentSearchAnchorName)) {
stopCurrentSearch(`found #${currentSearchAnchorName} after scroll and fast check`);
}
}, FAST_CHECK_DELAY_MS);
}, SCROLL_INTERVAL_MS);
}
function initialLoadOrHashChangeHandler() {
const anchorNameFromUrl = window.location.hash.substring(1);
if (anchorNameFromUrl === currentSearchAnchorName && currentIntervalId !== null) {
return;
}
if (!anchorNameFromUrl && currentSearchAnchorName) {
stopCurrentSearch(`anchor removed from URL (was #${currentSearchAnchorName})`);
currentSearchAnchorName = '';
return;
}
startSearchingForAnchor(anchorNameFromUrl);
}
function onPageReady() {
setTimeout(initialLoadOrHashChangeHandler, INITIAL_DELAY_MS);
window.addEventListener('hashchange', initialLoadOrHashChangeHandler, false);
}
// Код для запуска при загрузке страницы
// Эта логика подходит для обоих случаев, так как @run-at document-start и
// "run_at": "document_start" в manifest.json ведут себя схожим образом.
if (document.readyState === 'loading') {
document.addEventListener('DOMContentLoaded', onPageReady, { once: true });
} else {
// DOMContentLoaded уже сработал, или мы находимся в состоянии interactive/complete
onPageReady();
}
})();