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。 */
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);