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。 */
function initToc() {
	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);
}

initToc();