How to make Typescript Hydration Typings / Function

gistfile1.txt

// Typings
export type ReportRequest<OUTLINE> = {[key in keyof OUTLINE]?: true};

export type Reporter<OUTLINE> = 
  (request: ReportRequest<OUTLINE>) => Required<Pick<OUTLINE, keyof typeof request>>;



// Example model
interface IModel {
  name: string;
  age: number;
  bio: string;
}

// Example Reporter
const modelHydrateFn: Reporter<IModel> = (req) => ({
  ...(req.name) && {name: "Seph"},
  ...(req.age) && {age: 29},
  ...(req.bio) && {bio: "A human"},
});

// Example Usage
const info = modelHydrateFn({name: true, bio: true});