tsconfig.json

{
  "compilerOptions": {
    // Project options
    "target": "ES2020", // Modern JS target
    "module": "NodeNext", // Use ES modules for better tree-shaking
    "lib": ["ES2020"], // Include modern JS and DOM APIs
    "outDir": "./build", // Output directory for compiled files
    "rootDir": "./src", // Source directory for TS files
    // "moduleResolution": "nodenext", // Node.js-style module resolution

    // Strict type-checking
    "strict": true, // Enable all strict type-checking options
    "noImplicitAny": true, // Disallow implicit `any` types
    "strictNullChecks": true, // Enforce strict null checks
    "strictFunctionTypes": true, // Strict function type checking
    "strictBindCallApply": true, // Strict bind/call/apply checking
    "noImplicitThis": true, // Disallow implicit `this`
    "alwaysStrict": true, // Enforce strict mode in compiled JS
    "allowJs": true,
    // Additional checks
    "noUnusedLocals": true, // Report unused local variables
    "noUnusedParameters": true, // Report unused function parameters
    "noImplicitReturns": true, // Ensure all code paths return a value
    "noFallthroughCasesInSwitch": true, // Prevent switch case fallthrough
    // Source maps and declarations
    "sourceMap": true, // Generate source maps for debugging
    "declaration": true, // Generate .d.ts files
    "declarationMap": true, // Generate source maps for .d.ts files
    "rewriteRelativeImportExtensions": true, // Ensures .js extensions are added to imports,
    // Interoperability
    "resolveJsonModule": true,
    "esModuleInterop": true, // Better CommonJS interop
    "skipLibCheck": true, // Skip type checking of declaration files
    "forceConsistentCasingInFileNames": true // Enforce consistent file name casing
  },
  "include": ["src/**/*", "src/h-files/**.ts"], // Include all files in src/
  "exclude": ["node_modules", "build", "src/rando/index.ts"] // Exclude node_modules and build/
}