Update to latest versions of next.js, ....

.gitignore

@@ -0,0 +1,145 @@
+# Dependencies
+node_modules/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+# Next.js build output
+.next/
+out/
+
+# Production build files
+build/
+dist/
+
+# Environment variables
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# Cache directories
+.cache/
+.parcel-cache/
+.npm/
+.eslintcache
+.stylelintcache
+
+# OS generated files
+.DS_Store
+.DS_Store?
+._*
+.Spotlight-V100
+.Trashes
+ehthumbs.db
+Thumbs.db
+
+# Editor directories and files
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# Logs
+logs
+*.log
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Coverage directory used by tools like istanbul
+coverage/
+*.lcov
+
+# nyc test coverage
+.nyc_output
+
+# Dependency directories
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# parcel-bundler cache (https://parceljs.org/)
+.parcel-cache
+
+# next.js build output
+.next
+
+# nuxt.js build output
+.nuxt
+
+# vuepress build output
+.vuepress/dist
+
+# Serverless directories
+.serverless
+
+# FuseBox cache
+.fusebox/
+
+# DynamoDB Local files
+.dynamodb/
+
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+# TypeScript cache
+*.tsbuildinfo
+
+# Optional eslint cache
+.eslintcache
+
+# Optional stylelint cache
+.stylelintcache
+
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env.test
+
+# Turborepo
+.turbo
+
+# Vercel
+.vercel
+
+# Package lock files (choose one)
+package-lock.json
+# yarn.lock
+# pnpm-lock.yaml
+
+# Local Netlify folder
+.netlify

app/page.tsx

@@ -83,7 +83,12 @@ function distribute(total: number, buckets: number): number[] {
 function formatPretty(s: string): string {
   try {
     const d = fromYMD(s);
-    return d.toLocaleDateString(undefined, { weekday: "short", month: "short", day: "numeric" });
+    const weekdays = ["Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"];
+    const months = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];
+    const weekday = weekdays[d.getDay()];
+    const month = months[d.getMonth()];
+    const day = d.getDate();
+    return `${weekday}, ${month} ${day}`;
   } catch {
     return s;
   }

next-env.d.ts

@@ -2,4 +2,4 @@
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/basic-features/typescript for more information.
+// see https://nextjs.org/docs/app/api-reference/config/typescript for more information.

package.json

@@ -9,23 +9,23 @@
     "lint": "next lint"
   },
   "dependencies": {
-    "next": "14.2.3",
-    "react": "18.2.0",
-    "react-dom": "18.2.0",
     "framer-motion": "^11.0.0",
-    "recharts": "^2.8.0",
     "lucide-react": "^0.441.0",
+    "next": "^15.4.6",
+    "react": "^19.1.1",
+    "react-dom": "^19.1.1",
+    "recharts": "^2.8.0",
     "tailwind-merge": "^2.3.0"
   },
   "devDependencies": {
+    "@types/node": "^20.10.6",
+    "@types/react": "^19.1.9",
+    "@types/react-dom": "^19.1.7",
     "autoprefixer": "^10.4.19",
+    "eslint": "^8.57.0",
+    "eslint-config-next": "^15.4.6",
     "postcss": "^8.4.38",
     "tailwindcss": "^3.4.7",
-    "typescript": "^5.4.0",
-    "@types/react": "^18.2.0",
-    "@types/node": "^20.10.6",
-    "@types/react-dom": "^18.2.0",
-    "eslint": "^8.57.0",
-    "eslint-config-next": "^14.2.3"
+    "typescript": "^5.4.0"
   }
-}
+}

tsconfig.json

@@ -21,14 +21,21 @@
       "@/*": [
         "./*"
       ]
-    }
+    },
+    "incremental": true,
+    "plugins": [
+      {
+        "name": "next"
+      }
+    ]
   },
   "include": [
     "next-env.d.ts",
     "**/*.ts",
-    "**/*.tsx"
+    "**/*.tsx",
+    ".next/types/**/*.ts"
   ],
   "exclude": [
     "node_modules"
   ]
-}
+}