My Preferred tsconfig.json settings

{
  "compilerOptions": {
    "noImplicitAny": true,
    "noImplicitReturns": true,
    "noImplicitThis": true,
    "strictBindCallApply": true,
    "strictFunctionTypes": true,
    "strictNullChecks": true,
    "strictPropertyInitialization": true,
    "downlevelIteration": true,
    "allowUnreachableCode": false,
    "useUnknownInCatchVariables": true,
    "noImplicitOverride": true
  }
}