34 lines
1.0 KiB
JavaScript
34 lines
1.0 KiB
JavaScript
document.addEventListener("DOMContentLoaded", function () {
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var content = document.querySelector("main");
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if (!content) return;
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var headings = content.querySelectorAll("h2, h3, h4");
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if (headings.length < 2) return;
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var nav = document.createElement("nav");
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nav.className = "toc";
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var header = document.createElement("div");
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header.className = "panel-header";
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header.textContent = "Contents";
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nav.appendChild(header);
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var list = document.createElement("ul");
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headings.forEach(function (h) {
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if (!h.id) return;
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var li = document.createElement("li");
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li.className = "toc-" + h.tagName.toLowerCase();
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var a = document.createElement("a");
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a.href = "#" + h.id;
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var clone = h.cloneNode(true);
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clone.querySelectorAll(".btn, .muted, .heading-anchor").forEach(function (el) { el.remove(); });
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a.textContent = clone.textContent.trim();
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li.appendChild(a);
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list.appendChild(li);
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});
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nav.appendChild(list);
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var rail = document.querySelector("aside.sidebar");
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rail.appendChild(nav);
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});
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