try: migrate to eslint 9

eslint.config.mjs

@@ -0,0 +1,38 @@
+// @ts-check
+import path from 'node:path'
+import { fileURLToPath } from 'node:url'
+import js from '@eslint/js'
+
+import { FlatCompat } from '@eslint/eslintrc'
+import { fixupConfigRules } from '@eslint/compat'
+
+import ts from 'typescript-eslint'
+import prettierConfigRecommended from 'eslint-plugin-prettier/recommended'
+
+const __filename = fileURLToPath(import.meta.url)
+const __dirname = path.dirname(__filename)
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+  recommendedConfig: js.configs.recommended,
+  allConfig: js.configs.all,
+})
+
+const patchedConfig = fixupConfigRules([...compat.extends('next/core-web-vitals')])
+
+const config = [
+  ...patchedConfig,
+  ...ts.configs.recommended,
+  prettierConfigRecommended,
+  {
+    ignores: ['**/.next/**', '**/_next/**', '**/dist/**', '**/out/**'],
+    rules: {
+      '@next/next/no-img-element': 'off',
+      'prefer-const': 'error',
+      '@typescript-eslint/ban-ts-comment': 0,
+      '@typescript-eslint/no-var-requires': 0,
+      '@typescript-eslint/no-explicit-any': 0,
+    },
+  },
+]
+
+export default config

package.json

@@ -58,26 +58,5 @@
     "*.{json,css,md,mdx}": [
       "prettier --write"
     ]
-  },
-  "pnpm": {
-    "overrides": {
-      "array-includes": "npm:@nolyfill/array-includes@latest",
-      "array.prototype.findlastindex": "npm:@nolyfill/array.prototype.findlastindex@latest",
-      "array.prototype.flat": "npm:@nolyfill/array.prototype.flat@latest",
-      "array.prototype.flatmap": "npm:@nolyfill/array.prototype.flatmap@latest",
-      "array.prototype.tosorted": "npm:@nolyfill/array.prototype.tosorted@latest",
-      "es-iterator-helpers": "npm:@nolyfill/es-iterator-helpers@latest",
-      "has": "npm:@nolyfill/has@latest",
-      "object.assign": "npm:@nolyfill/object.assign@latest",
-      "object.entries": "npm:@nolyfill/object.entries@latest",
-      "object.fromentries": "npm:@nolyfill/object.fromentries@latest",
-      "object.groupby": "npm:@nolyfill/object.groupby@latest",
-      "object.hasown": "npm:@nolyfill/object.hasown@latest",
-      "object.values": "npm:@nolyfill/object.values@latest",
-      "string.prototype.matchall": "npm:@nolyfill/string.prototype.matchall@latest",
-      "hasown": "npm:@nolyfill/hasown@latest",
-      "array.prototype.findlast": "npm:@nolyfill/array.prototype.findlast@latest",
-      "array.prototype.toreversed": "npm:@nolyfill/array.prototype.toreversed@latest"
-    }
   }
 }

postcss.config.mjs

@@ -0,0 +1,9 @@
+/** @type {import('postcss-load-config').Config} */
+const config = {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+}
+
+export default config