Migrate to Contentlayer2

app/blog/[slug]/page.tsx

@@ -2,7 +2,7 @@ import Link from 'next/link';
 import Image from 'next/image';
 import { notFound } from 'next/navigation';
 import type { Metadata } from 'next';
-import { allPosts } from 'contentlayer/generated';
+import { allPosts } from 'contentlayer2/generated';
 import { getPostBySlug, getRelatedPosts, getPostNeighbors } from '@/lib/posts';
 import { siteConfig } from '@/lib/config';
 import { ReadingProgress } from '@/components/reading-progress';

app/pages/[slug]/page.tsx

@@ -2,7 +2,7 @@ import Link from 'next/link';
 import Image from 'next/image';
 import { notFound } from 'next/navigation';
 import type { Metadata } from 'next';
-import { allPages } from 'contentlayer/generated';
+import { allPages } from 'contentlayer2/generated';
 import { getPageBySlug } from '@/lib/posts';
 import { siteConfig } from '@/lib/config';
 import { ReadingProgress } from '@/components/reading-progress';

app/tags/[tag]/page.tsx

@@ -1,5 +1,5 @@
 import type { Metadata } from 'next';
-import { allPosts } from 'contentlayer/generated';
+import { allPosts } from 'contentlayer2/generated';
 import { PostListWithControls } from '@/components/post-list-with-controls';
 import { getTagSlug } from '@/lib/posts';
 import { SidebarLayout } from '@/components/sidebar-layout';

components/post-card.tsx

@@ -1,6 +1,6 @@
 import Link from 'next/link';
 import Image from 'next/image';
-import type { Post } from 'contentlayer/generated';
+import type { Post } from 'contentlayer2/generated';
 import { siteConfig } from '@/lib/config';
 import { faCalendarDays, faTags } from '@fortawesome/free-solid-svg-icons';
 import { MetaItem } from './meta-item';

components/post-layout.tsx

@@ -31,7 +31,7 @@ export function PostLayout({ children, hasToc = true }: { children: React.ReactN
                     </motion.div>
                 </div>
 
-                {/* Sidebar (TOC) */}
+                {/* Desktop Sidebar (TOC) */}
                 <aside className="hidden lg:block">
                     <div className="sticky top-24 h-[calc(100vh-6rem)] overflow-hidden">
                         <AnimatePresence mode="wait">
@@ -51,14 +51,32 @@ export function PostLayout({ children, hasToc = true }: { children: React.ReactN
                 </aside>
             </div>
 
+            {/* Mobile TOC Overlay */}
+            <AnimatePresence>
+                {isTocOpen && hasToc && (
+                    <motion.div
+                        initial={{ opacity: 0, y: 20 }}
+                        animate={{ opacity: 1, y: 0 }}
+                        exit={{ opacity: 0, y: 20 }}
+                        transition={{ duration: 0.2 }}
+                        className="fixed bottom-24 right-4 z-40 w-72 rounded-2xl border border-white/20 bg-white/90 p-6 shadow-2xl backdrop-blur-xl dark:border-white/10 dark:bg-slate-900/90 lg:hidden"
+                    >
+                        <div className="max-h-[60vh] overflow-y-auto">
+                            <PostToc onLinkClick={() => setIsTocOpen(false)} />
+                        </div>
+                    </motion.div>
+                )}
+            </AnimatePresence>
+
             {/* Toggle Button (Glassmorphism Pill) */}
             {hasToc && (
                 <motion.button
                     layout
                     onClick={() => setIsTocOpen(!isTocOpen)}
                     className={cn(
-                        "fixed bottom-8 right-20 z-50 flex items-center gap-2 rounded-full border border-white/20 bg-white/80 px-4 py-2.5 shadow-lg backdrop-blur-md transition-all hover:bg-white hover:scale-105 dark:border-white/10 dark:bg-slate-900/80 dark:hover:bg-slate-900",
-                        "text-sm font-medium text-slate-600 dark:text-slate-300"
+                        "fixed bottom-8 right-8 z-50 flex items-center gap-2 rounded-full border border-white/20 bg-white/80 px-4 py-2.5 shadow-lg backdrop-blur-md transition-all hover:bg-white hover:scale-105 dark:border-white/10 dark:bg-slate-900/80 dark:hover:bg-slate-900",
+                        "text-sm font-medium text-slate-600 dark:text-slate-300",
+                        "lg:right-20" // Adjust position for desktop
                     )}
                     whileTap={{ scale: 0.95 }}
                     aria-label="Toggle Table of Contents"

components/post-list-item.tsx

@@ -1,6 +1,6 @@
 import Link from 'next/link';
 import Image from 'next/image';
-import type { Post } from 'contentlayer/generated';
+import { Post } from 'contentlayer2/generated';
 import { siteConfig } from '@/lib/config';
 import { faCalendarDays, faTags } from '@fortawesome/free-solid-svg-icons';
 import { MetaItem } from './meta-item';

components/post-list-with-controls.tsx

@@ -1,7 +1,7 @@
 'use client';
 
 import { useEffect, useMemo, useState } from 'react';
-import type { Post } from 'contentlayer/generated';
+import { Post, Page } from 'contentlayer2/generated';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import {
   faArrowDownWideShort,
@@ -88,11 +88,10 @@ export function PostListWithControls({ posts, pageSize }: Props) {
           <button
             type="button"
             onClick={() => handleChangeSort('new')}
-            className={`inline-flex items-center gap-1 rounded-full px-2 py-0.5 transition duration-180 ease-snappy ${
-              sortOrder === 'new'
-                ? 'bg-blue-600 text-white dark:bg-blue-500'
-                : 'bg-white text-slate-600 hover:bg-slate-200 dark:bg-slate-900 dark:text-slate-300 dark:hover:bg-slate-700'
-            }`}
+            className={`inline-flex items-center gap-1 rounded-full px-2 py-0.5 transition duration-180 ease-snappy ${sortOrder === 'new'
+              ? 'bg-blue-600 text-white dark:bg-blue-500'
+              : 'bg-white text-slate-600 hover:bg-slate-200 dark:bg-slate-900 dark:text-slate-300 dark:hover:bg-slate-700'
+              }`}
           >
             <FontAwesomeIcon icon={faArrowDownWideShort} className="h-3 w-3" />
             新到舊
@@ -100,11 +99,10 @@ export function PostListWithControls({ posts, pageSize }: Props) {
           <button
             type="button"
             onClick={() => handleChangeSort('old')}
-            className={`inline-flex items-center gap-1 rounded-full px-2 py-0.5 transition duration-180 ease-snappy ${
-              sortOrder === 'old'
-                ? 'bg-blue-600 text-white dark:bg-blue-500'
-                : 'bg-white text-slate-600 hover:bg-slate-200 dark:bg-slate-900 dark:text-slate-300 dark:hover:bg-slate-700'
-            }`}
+            className={`inline-flex items-center gap-1 rounded-full px-2 py-0.5 transition duration-180 ease-snappy ${sortOrder === 'old'
+              ? 'bg-blue-600 text-white dark:bg-blue-500'
+              : 'bg-white text-slate-600 hover:bg-slate-200 dark:bg-slate-900 dark:text-slate-300 dark:hover:bg-slate-700'
+              }`}
           >
             <FontAwesomeIcon icon={faArrowUpWideShort} className="h-3 w-3" />
             舊到新
@@ -178,11 +176,10 @@ export function PostListWithControls({ posts, pageSize }: Props) {
                   key={p}
                   type="button"
                   onClick={() => goToPage(p)}
-                  className={`h-7 w-7 rounded text-xs ${
-                    isActive
-                      ? 'bg-blue-600 text-white dark:bg-blue-500'
-                      : 'hover:bg-slate-100 dark:hover:bg-slate-800'
-                  }`}
+                  className={`h-7 w-7 rounded text-xs ${isActive
+                    ? 'bg-blue-600 text-white dark:bg-blue-500'
+                    : 'hover:bg-slate-100 dark:hover:bg-slate-800'
+                    }`}
                 >
                   {p}
                 </button>

components/post-storyline-nav.tsx

@@ -1,5 +1,5 @@
 import Link from 'next/link';
-import type { Post } from 'contentlayer/generated';
+import { Post } from 'contentlayer2/generated';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { faArrowLeftLong, faArrowRightLong } from '@fortawesome/free-solid-svg-icons';
 
@@ -94,9 +94,8 @@ function Station({ station }: { station: StationConfig }) {
         {post.title}
       </p>
       <span
-        className={`mt-2 h-0.5 w-16 rounded-full bg-slate-200 transition group-hover:w-24 group-hover:bg-blue-400 dark:bg-slate-700 ${
-          align === 'end' ? 'self-end' : 'self-start'
-        }`}
+        className={`mt-2 h-0.5 w-16 rounded-full bg-slate-200 transition group-hover:w-24 group-hover:bg-blue-400 dark:bg-slate-700 ${align === 'end' ? 'self-end' : 'self-start'
+          }`}
       />
     </Link>
   );

components/post-toc.tsx

@@ -10,7 +10,7 @@ interface TocItem {
   depth: number;
 }
 
-export function PostToc() {
+export function PostToc({ onLinkClick }: { onLinkClick?: () => void }) {
   const [items, setItems] = useState<TocItem[]>([]);
   const [activeId, setActiveId] = useState<string | null>(null);
   const listRef = useRef<HTMLDivElement | null>(null);
@@ -87,6 +87,11 @@ export function PostToc() {
       url.hash = id;
       history.replaceState(null, '', url.toString());
     }
+
+    // Trigger callback if provided (e.g. to close mobile menu)
+    if (onLinkClick) {
+      onLinkClick();
+    }
   };
 
   if (items.length === 0) return null;

components/right-sidebar.tsx

@@ -5,7 +5,7 @@ import { faGithub, faMastodon, faLinkedin } from '@fortawesome/free-brands-svg-i
 import { faFire, faArrowRight } from '@fortawesome/free-solid-svg-icons';
 import { siteConfig } from '@/lib/config';
 import { getAllTagsWithCount } from '@/lib/posts';
-import { allPages } from 'contentlayer/generated';
+import { allPages } from 'contentlayer2/generated';
 
 export function RightSidebar() {
   const tags = getAllTagsWithCount().slice(0, 5);

components/site-header.tsx

@@ -2,7 +2,7 @@ import Link from 'next/link';
 import { ThemeToggle } from './theme-toggle';
 import { NavMenu, NavLinkItem, IconKey } from './nav-menu';
 import { siteConfig } from '@/lib/config';
-import { allPages } from 'contentlayer/generated';
+import { allPages } from 'contentlayer2/generated';
 
 export function SiteHeader() {
   const pages = allPages

contentlayer.config.ts

@@ -1,4 +1,4 @@
-import { defineDocumentType, makeSource } from 'contentlayer/source-files';
+import { defineDocumentType, makeSource } from 'contentlayer2/source-files';
 import { visit } from 'unist-util-visit';
 import rehypeSlug from 'rehype-slug';
 import rehypeAutolinkHeadings from 'rehype-autolink-headings';

lib/posts.ts

@@ -1,4 +1,4 @@
-import { allPosts, allPages, Post, Page } from 'contentlayer/generated';
+import { allPosts, allPages, Post, Page } from 'contentlayer2/generated';
 
 export function getAllPostsSorted(): Post[] {
   return [...allPosts].sort((a, b) => {
@@ -27,7 +27,7 @@ export function getPageBySlug(slug: string): Page | undefined {
 }
 
 export function getTagSlug(tag: string): string {
-  return encodeURIComponent(tag.toLowerCase().replace(/\s+/g, '-'));
+  return tag.toLowerCase().replace(/\s+/g, '-');
 }
 
 export function getAllTagsWithCount(): { tag: string; slug: string; count: number }[] {

next.config.mjs

@@ -1,4 +1,4 @@
-import { withContentlayer } from 'next-contentlayer';
+import { withContentlayer } from 'next-contentlayer2';
 
 /** @type {import('next').NextConfig} */
 const nextConfig = {

package.json

@@ -20,12 +20,12 @@
     "@fortawesome/free-solid-svg-icons": "^7.1.0",
     "@fortawesome/react-fontawesome": "^3.1.0",
     "clsx": "^2.1.1",
-    "contentlayer": "^0.3.4",
+    "contentlayer2": "^0.5.8",
     "framer-motion": "^12.23.24",
     "gray-matter": "^4.0.3",
     "markdown-wasm": "^1.2.0",
     "next": "^13.5.11",
-    "next-contentlayer": "^0.3.4",
+    "next-contentlayer2": "^0.5.8",
     "next-themes": "^0.4.6",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",

tsconfig.json

@@ -25,7 +25,7 @@
       "@/*": [
         "./*"
       ],
-      "contentlayer/generated": [
+      "contentlayer2/generated": [
         "./.contentlayer/generated"
       ]
     },