Add floating article ToC with rehype section grouping

.github/workflows/ci.yml

@@ -22,3 +22,6 @@ jobs:
 
       - name: test
         run: pnpm test:ci
+
+      - name: knip
+        run: pnpm knip

eslint.config.mjs

@@ -56,6 +56,7 @@ export default defineConfig([
       "react/prop-types": "off",
       "no-unused-vars": "off",
       "no-undef": "off", // Handled by TypeScript
+      curly: "error",
 
       "object-shorthand": "error",
       "no-useless-rename": "error",
@@ -68,19 +69,6 @@ export default defineConfig([
         },
       ],
 
-      "@typescript-eslint/naming-convention": [
-        "error",
-        {
-          selector: "interface",
-          format: ["PascalCase"],
-
-          custom: {
-            regex: "^I[A-Z]",
-            match: true,
-          },
-        },
-      ],
-
       "@typescript-eslint/consistent-type-imports": [
         "error",
         {

knip.jsonc

@@ -0,0 +1,12 @@
+{
+  "$schema": "https://unpkg.com/knip@5/schema-jsonc.json",
+  "rules": {
+    "types": "warn"
+  },
+  "ignoreDependencies": ["server-only"],
+  "ignore": [
+    "mdx-plugins/remark-codehike.mjs",
+    "src/app/**/article/**/metadata*.tsx",
+  ],
+  "tags": ["-lintignore"]
+}

next.config.mjs

@@ -159,6 +159,7 @@ const withMDX = mdx({
           },
         },
       ],
+      "@hbsnow/rehype-sectionize",
     ],
   },
 });

package.json

@@ -16,12 +16,11 @@
   },
   "dependencies": {
     "@echoja/remark-custom-container": "^1.4.0",
+    "@hbsnow/rehype-sectionize": "1.0.7",
     "@heroui/react": "2.8.6",
-    "@heroui/theme": "2.4.24",
     "@mdx-js/loader": "^3.1.1",
     "@mdx-js/react": "^3.1.1",
     "@next/bundle-analyzer": "16.1.0",
-    "@next/env": "16.1.0",
     "@next/mdx": "16.1.0",
     "codehike": "1.0.7",
     "dayjs": "^1.11.19",
@@ -32,7 +31,6 @@
     "next-seo": "^7.0.1",
     "react": "19.2.3",
     "react-dom": "19.2.3",
-    "react-wrap-balancer": "^1.1.1",
     "rehype-autolink-headings": "^7.1.0",
     "rehype-slug": "^6.0.0",
     "remark-gfm": "4.0.1",
@@ -41,21 +39,16 @@
     "vite": "^7.3.0"
   },
   "devDependencies": {
-    "@eslint/eslintrc": "^3.3.3",
     "@eslint/js": "^9.39.2",
     "@next/eslint-plugin-next": "16.1.0",
     "@tailwindcss/postcss": "^4.1.18",
     "@types/mdx": "^2.0.13",
     "@types/node": "^25.0.3",
     "@types/react": "19.2.7",
-    "@typescript-eslint/eslint-plugin": "^8.50.0",
     "@typescript-eslint/parser": "^8.50.0",
     "@vitejs/plugin-react": "^5.1.2",
     "eslint": "^9.39.2",
-    "eslint-config-next": "16.1.0",
     "eslint-config-prettier": "^10.1.8",
-    "eslint-mdx": "^3.6.2",
-    "eslint-plugin-mdx": "^3.6.2",
     "eslint-plugin-prettier": "^5.5.4",
     "eslint-plugin-react": "^7.37.5",
     "eslint-plugin-react-hooks": "^7.0.1",