chore: upgrade to react 19 and next 15

eslint.config.mjs

@@ -0,0 +1,18 @@
+import { FlatCompat } from "@eslint/eslintrc";
+import tailwind from "eslint-plugin-tailwindcss";
+import { dirname } from "path";
+import { fileURLToPath } from "url";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+const compat = new FlatCompat({
+  baseDirectory: __dirname,
+});
+
+const eslintConfig = [
+  ...compat.extends("next/core-web-vitals", "next/typescript"),
+  ...tailwind.configs["flat/recommended"],
+];
+
+export default eslintConfig;

next.config.mjs → next.config.ts

@@ -1,5 +1,6 @@
-/** @type {import('next').NextConfig} */
-const nextConfig = {
+import type { NextConfig } from "next";
+
+const nextConfig: NextConfig = {
   eslint: {
     ignoreDuringBuilds: true,
   },

package.json

@@ -18,6 +18,7 @@
     "clean": "rm -rf .next node_modules"
   },
   "dependencies": {
+    "@eslint/eslintrc": "^3.2.0",
     "@headlessui/react": "^2.2.0",
     "@headlessui/tailwindcss": "^0.2.1",
     "@heroicons/react": "^2.2.0",
@@ -26,21 +27,21 @@
     "@tremor/react": "^3.18.6",
     "@vercel/analytics": "^1.4.1",
     "clsx": "^2.1.1",
-    "next": "14.2.17",
+    "next": "15.1.0",
     "next-auth": "4.24.11",
     "next-themes": "^0.4.4",
-    "react": "18.3.1",
-    "react-dom": "18.3.1",
+    "react": "19.0.0",
+    "react-dom": "19.0.0",
     "sharp": "^0.33.5"
   },
   "devDependencies": {
     "@tailwindcss/forms": "^0.5.9",
-    "@types/node": "^22.10.1",
-    "@types/react": "^18.3.12",
-    "@types/react-dom": "^18.3.1",
+    "@types/node": "^22.10.2",
+    "@types/react": "^19.0.1",
+    "@types/react-dom": "^19.0.2",
     "autoprefixer": "^10.4.20",
-    "eslint": "^8.57.1",
-    "eslint-config-next": "^15.0.4",
+    "eslint": "^9.16.0",
+    "eslint-config-next": "^15.1.0",
     "eslint-plugin-tailwindcss": "^3.17.5",
     "postcss": "^8.4.49",
     "prettier": "^3.4.2",