wip

2026-01-19 02:05:30 +01:00
parent 46266a7bbc
commit 4f6264f2e2
24 changed files with 431 additions and 228 deletions
--- a/components/blog/TableOfContents.tsx
+++ b/components/blog/TableOfContents.tsx
@@ -0,0 +1,86 @@
+'use client';
+
+import React, { useEffect, useState } from 'react';
+import { cn } from '@/components/ui/utils';
+
+interface TocItem {
+  id: string;
+  text: string;
+  level: number;
+}
+
+interface TableOfContentsProps {
+  headings: TocItem[];
+  locale: string;
+}
+
+export default function TableOfContents({ headings, locale }: TableOfContentsProps) {
+  const [activeId, setActiveId] = useState<string>('');
+
+  useEffect(() => {
+    const observerOptions = {
+      rootMargin: '-100px 0% -80% 0%',
+      threshold: 0
+    };
+
+    const observer = new IntersectionObserver((entries) => {
+      entries.forEach((entry) => {
+        if (entry.isIntersecting) {
+          setActiveId(entry.target.id);
+        }
+      });
+    }, observerOptions);
+
+    const elements = headings.map((h) => document.getElementById(h.id));
+    elements.forEach((el) => {
+      if (el) observer.observe(el);
+    });
+
+    return () => observer.disconnect();
+  }, [headings]);
+
+  if (headings.length === 0) return null;
+
+  return (
+    <nav className="hidden lg:block w-full ml-12">
+      <div className="relative pl-6 border-l border-neutral-200">
+        <h4 className="text-xs font-bold uppercase tracking-[0.2em] text-text-primary/50 mb-6">
+          {locale === 'de' ? 'Inhalt' : 'Table of Contents'}
+        </h4>
+        <ul className="space-y-4">
+          {headings.map((heading) => (
+            <li
+              key={heading.id}
+              style={{ paddingLeft: `${(heading.level - 2) * 1}rem` }}
+              className="relative"
+            >
+              {activeId === heading.id && (
+                <div className="absolute -left-[25px] top-0 w-[2px] h-full bg-primary transition-all duration-300" />
+              )}
+              <a
+                href={`#${heading.id}`}
+                className={cn(
+                  "text-sm transition-all duration-300 hover:text-primary block leading-snug",
+                  activeId === heading.id
+                    ? "text-primary font-bold translate-x-1"
+                    : "text-text-secondary font-medium hover:translate-x-1"
+                )}
+                onClick={(e) => {
+                  e.preventDefault();
+                  const element = document.getElementById(heading.id);
+                  if (element) {
+                    const yOffset = -100;
+                    const y = element.getBoundingClientRect().top + window.pageYOffset + yOffset;
+                    window.scrollTo({ top: y, behavior: 'smooth' });
+                  }
+                }}
+              >
+                {heading.text}
+              </a>
+            </li>
+          ))}
+        </ul>
+      </div>
+    </nav>
+  );
+}