tsconfig.json

{
  "compilerOptions": {
    "esModuleInterop": true,
    "module": "CommonJS",
    "strict": true /* Enable all strict type-checking options. */,
    "noImplicitAny": true /* Enable error reporting for expressions and declarations with an implied `any` type.. */,
    "strictNullChecks": true /* When type checking, take into account `null` and `undefined`. */,
    "strictFunctionTypes": true /* When assigning functions, check to ensure parameters and the return values are subtype-compatible. */,
    "strictBindCallApply": true /* Check that the arguments for `bind`, `call`, and `apply` methods match the original function. */,
    "strictPropertyInitialization": true /* Check for class properties that are declared but not set in the constructor. */,
    // "noImplicitThis": true,                           /* Enable error reporting when `this` is given the type `any`. */
    "useUnknownInCatchVariables": true /* Type catch clause variables as 'unknown' instead of 'any'. */,
    "alwaysStrict": true /* Ensure 'use strict' is always emitted. */,
    "noUnusedLocals": true /* Enable error reporting when a local variables aren't read. */,
    "noUnusedParameters": true /* Raise an error when a function parameter isn't read */,
    // "exactOptionalPropertyTypes": true /* Interpret optional property types as written, rather than adding 'undefined'. */,
    "noImplicitReturns": true /* Enable error reporting for codepaths that do not explicitly return in a function. */,
    "noFallthroughCasesInSwitch": true /* Enable error reporting for fallthrough cases in switch statements. */,
    "noUncheckedIndexedAccess": true /* Include 'undefined' in index signature results */,
    "outDir": "dist"
  },
  "exclude": ["node_modules"]
}