import { IUser, IItem } from "hacker-news-api-types"; fetch("https://hacker-news.firebaseio.com/v0/user/whoishiring.json").then( response => { response.json().then((user: IUser) => user.about); } ); fetch("https://hacker-news.firebaseio.com/v0/item/17205865.json").then( async response => { const post = (await response.json()) as IItem; post.descendants; } );