AO3 Word Count Script

Adds word counts to chapter links on AO3 Chapter Index pages.
Version vom 18.03.2023. Aktuellste Version
Stellen Sie eine Frage, veröffentlichen Sie eine Bewertung oder melden Sie das Skript.
Wrap lines
// ==UserScript==
// @name            AO3 Word Count Script
// @name:ru         Скрипт подсчета слов на AO3
// @version         2
// @description     Adds word counts to chapter links on AO3 Chapter Index pages.
// @description:ru  Добавляет количество слов к ссылкам на главы на страницах индекса глав AO3.
// @author          Anton Dumov
// @license         MIT
// @match           https://archiveofourown.org/*/navigate
// @grant           none
// @namespace http://tampermonkey.net/
// ==/UserScript==

(function() {
    'use strict';

    const wordCountRegex = /\s+/g;
    const cacheKeyPrefix = "ao3-word-count-cache-";
    const cacheDurationMs = 24 * 60 * 60 * 1000; // 24 hours in milliseconds

    const getCachedWordCount = link => {
        const cacheKey = cacheKeyPrefix + link.href;
        const cachedValue = localStorage.getItem(cacheKey);
        if (cachedValue) {
            const { timestamp, wordCount } = JSON.parse(cachedValue);
            if (Date.now() - timestamp < cacheDurationMs) {
                return wordCount;
            } else {
                localStorage.removeItem(cacheKey);
            }
        }
        return null;
    };

    const setCachedWordCount = (link, wordCount) => {
        const cacheKey = cacheKeyPrefix + link.href;
        const cacheValue = JSON.stringify({ timestamp: Date.now(), wordCount });
        localStorage.setItem(cacheKey, cacheValue);
    };

    const chapterLinks = document.querySelectorAll("ol.chapter.index.group li a");

    chapterLinks.forEach(link => {
        const cachedWordCount = getCachedWordCount(link);
        if (cachedWordCount) {
            const spanElement = link.parentElement.querySelector('span.datetime');
            const wordCountElement = document.createElement("span");
            wordCountElement.textContent = ` (${cachedWordCount} words)`;
            spanElement.parentNode.insertBefore(wordCountElement, spanElement.nextSibling);
        } else {
            fetch(link.href).then(response => response.text())
                .then(text => {
                    const parser = new DOMParser();
                    const doc = parser.parseFromString(text, "text/html");
                    const article = doc.querySelector("div[role=article]");
                    const wordCount = article ? article.textContent.trim().split(wordCountRegex).length : 0;
                    setCachedWordCount(link, wordCount);

                    const spanElement = link.parentElement.querySelector('span.datetime');
                    const wordCountElement = document.createElement("span");
                    wordCountElement.textContent = ` (${wordCount} words)`;
                    spanElement.parentNode.insertBefore(wordCountElement, spanElement.nextSibling);
                })
                .catch(error => console.log(error));
        }
    });

})();