Migrate to ESlint 9

eslint.config.mjs

@@ -0,0 +1,12 @@
+import eslintPluginAstro from 'eslint-plugin-astro'
+import * as mdx from 'eslint-plugin-mdx'
+import markdown from "eslint-plugin-markdown"
+import unocss from '@unocss/eslint-config/flat'
+
+export default [
+  ...eslintPluginAstro.configs['flat/recommended'],
+  // ...eslintPluginAstro.configs['flat/jsx-a11y-recommended'],
+  { ...mdx.flat },
+  ...markdown.configs.recommended,
+  unocss,
+]

package.json

@@ -14,28 +14,28 @@
   "dependencies": {
     "@astrojs/rss": "^4.0.5",
     "@astrojs/sitemap": "^3.1.2",
-    "astro": "^4.5.12"
+    "astro": "^4.5.16"
   },
   "devDependencies": {
     "@astrojs/check": "^0.5.10",
     "@iconify-json/heroicons": "^1.1.20",
     "@iconify-json/logos": "^1.1.42",
     "@julr/unocss-preset-forms": "^0.1.0",
-    "@types/node": "^20.12.2",
-    "@typescript-eslint/parser": "^7.4.0",
-    "@unocss/eslint-config": "^0.58.8",
-    "@unocss/reset": "^0.58.8",
-    "eslint": "^8.57.0",
-    "eslint-plugin-astro": "^0.33.1",
+    "@types/node": "^20.12.5",
+    "@typescript-eslint/parser": "^7.5.0",
+    "@unocss/eslint-config": "^0.59.0",
+    "@unocss/reset": "^0.59.0",
+    "eslint": "^9.0.0",
+    "eslint-plugin-astro": "^0.34.0",
     "eslint-plugin-jsx-a11y": "^6.8.0",
     "eslint-plugin-markdown": "^4.0.1",
     "eslint-plugin-mdx": "^3.1.5",
     "prettier": "^3.2.5",
     "prettier-plugin-astro": "^0.13.0",
     "prettier-plugin-tailwindcss": "^0.5.13",
-    "typescript": "^5.4.3",
-    "unocss": "^0.58.8",
-    "vite": "^5.2.7"
+    "typescript": "^5.4.4",
+    "unocss": "^0.59.0",
+    "vite": "^5.2.8"
   },
   "packageManager": "[email protected]+sha256.4b4efa12490e5055d59b9b9fc9438b7d581a6b7af3b5675eb5c5f447cee1a589"
 }