9.10.1 Traversing with Writer
by dimitrs_papadimitriou
HTML
<script src="https://rawgit.com/eu81273/jsfiddle-console/master/console.js"></script>
JavaScript
var getUser = () => fetch("https://api.github.com/users");
var getUserFollowers = (name) => fetch(`https://api.github.com/users/${name}/followers`);
var toJson = response => response.json()
getUser()
.then(toJson)
.then(users => users[0].login)
.then(getUserFollowers)
.then(toJson)
.then(followers => followers.map(follower => follower.login))
.then(v => console.log(v))
.catch(v => console.log("left" + v))