useFetch.ts

export type FetchBrowsersResults = {
  Browsers: Browser[]
}

export type UseFetch<T> = {
  loading: boolean
  
  // We use Generic. T - is a type argument that can be any type.
  // We can useFetch() with any type
  // ? means, that T can be undefined
  data?: T
}

export function useFetch<T>(url: string): UseFetch<T> {}