articles.002.011.advanced.ts

// This will list all the readonly properties of MyInterface
const readonlyProperties = propertiesOf<MyInterface>({ readonly: true });
  
// This will list all the optional properties of MyInterface
const optionalProperties = propertiesOf<MyInterface>({ optional: true });

// This will list all the required properties of MyInterface
const requiredProperties = propertiesOf<MyInterface>({ optional: false });

// But feel free to ask for private readonly OR public optional properties
const verySpecificProperties = propertiesOf<MyInterface>(
  { private: true, readonly: true }
  { public: true, optional: true }
);

// Or maybe a combination of required non-public properties
// and protected optional ones? I mean why not
const evenMoreSpecificProperties = propertiesOf<MyInterface>(
  { public: false, optional: false }
  { protected: true, optional: true }
);