tsconfig.json

{
  "compilerOptions": {
    "lib": [
      "dom",
      "dom.iterable",
      "esnext"
    ], // Keeps the necessary DOM types
    "allowJs": true, // Allows JavaScript files to be compiled
    "skipLibCheck": true, // Skips type checking of declaration files
    "strict": true, // Enables strict type checking options
    "noEmit": true, // Prevents TypeScript from emitting compiled JavaScript files
    "esModuleInterop": true, // Enables emit interoperability between CommonJS and ES modules
    "module": "ESNext", // Use ESNext module syntax
    "moduleResolution": "Node", // Resolves modules using Node's module resolution strategy
    "resolveJsonModule": true, // Allows importing JSON files
    "isolatedModules": true, // Ensures that each file can be transpiled independently
    "jsx": "preserve", // Preserves JSX syntax in the output
    "incremental": true, // Enables incremental compilation for faster builds
    "paths": {
      "@/*": [
        "./*"
      ] // Alias configuration for absolute imports
    },
    "plugins": [
      {
        "name": "next"
      }
    ],
    "target": "ES2017"
  },
  "include": [
    "next-env.d.ts",
    "**/*.ts",
    "**/*.tsx",
    ".next/types/**/*.ts",
    "app/**/*.ts" // Include your websocket server TypeScript file
    ,
    "app/lib/websocketServer.ts"
  ],
  "exclude": [
    "node_modules" // Excludes node_modules from compilation
  ]
}