MediaWiki:Common.js

/* 这里的任何JavaScript将为所有用户在每次页面载入时加载。 */
document.addEventListener("DOMContentLoaded", function () {
    setTimeout(function () {
        var tocLinks = Array.prototype.slice.call(document.querySelectorAll("#toc a"));
        if (tocLinks.length === 0) {
            console.warn("TOC 高亮：未找到目录链接");
            return;
        }

        var sections = tocLinks.map(function (link) {
            var rawId = link.getAttribute("href").slice(1); // 去除 #
            var target = document.getElementById(rawId) || document.querySelector('[id="' + CSS.escape(rawId) + '"]');
            return target ? { link: link, target: target } : null;
        }).filter(function (s) { return s !== null; });

        if (sections.length === 0) {
            console.warn("TOC 高亮：未能匹配任何章节");
        }

        function updateHighlight() {
            var scrollY = window.scrollY + 120;
            var current = null;

            for (var i = 0; i < sections.length; i++) {
                if (sections[i].target.offsetTop <= scrollY) {
                    current = sections[i];
                } else {
                    break;
                }
            }

            tocLinks.forEach(function (link) {
                link.classList.remove("active-section");
            });

            if (current) {
                current.link.classList.add("active-section");
                console.log("当前章节：", current.link.textContent);
            }
        }

        window.addEventListener("scroll", updateHighlight);
        updateHighlight();
        console.log("📘 TOC 高亮脚本初始化成功，监听段落数：", sections.length);
    }, 0);
});