tsconfig.json

{
  "compilerOptions": {
    "target": "es2016",
    "lib": ["es2016"],
    "module": "commonjs",
    "rootDir": "src",
    "resolveJsonModule": true,
    "allowJs": true,
    "outDir": "dist",
    "strict": true,                 // Enable all strict type-checking options
    "noImplicitAny": true,          // Raise error on expressions and declarations with an implied 'any' type
    "strictNullChecks": true,       // Enable strict null checking
    "strictFunctionTypes": true,    // Enable strict checking of function types
    "strictPropertyInitialization": true, // Ensure non-undefined class properties are initialized in the constructor
    "strictBindCallApply": true,    // Enable strict 'bind', 'call', and 'apply' methods on functions
    "noImplicitThis": true,         // Raise error on 'this' expressions with an implied 'any' type
    "alwaysStrict": true,           // Parse in strict mode and emit "use strict" for each source file
    "noImplicitReturns": true,      // Report error when not all code paths in function return a value
    "noFallthroughCasesInSwitch": true, // Report errors for fallthrough cases in switch statement
    "noUnusedLocals": true,         // Report errors on unused locals
    "noUnusedParameters": true,     // Report errors on unused parameters
    "esModuleInterop": true,        // Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports
    "forceConsistentCasingInFileNames": true // Disallow inconsistently-cased references to the same file
  },
  "include": ["src/**/*"],
  "exclude": ["dist", "node_modules"] // It's a good practice to exclude 'node_modules' directory as well
}