React JS & Axios chaining promies - reactjs

Question

I am developing a react js application and we are using a promise based library axios for calling APIs.
Now, in the initial part of application, user gets a login page, when the login is successful, we contact different systems to retrieve some extra information about user.
axios
.get('url to authentication endpoint') // 1st call
.then(response => {
// if login is successful
// 1. retrieve the user preferences like, on the customised screens what fields user wanted to see
axios.get('user preference endpoint') // 2nd call
// 2. send a request to one more external systems, which calculates what user can see and not based on LDAP role
axios.get('role calculation endpoint') // 3rd call
})
.catch(error => {
})
Now I can see that I can use
axios.all()
for second and third call, but with promised based client, how to chain first and second call? To retrieve user preferences, I have to wait for user to be authenticated.
How to chain this calls in a promise based way, rather than callback style?

Answer 1

as mentioned in the thread for this Github issue, axios() and axios.all() return Promise objects which can be chained however you see fit:
axios.get('/auth')
.then(function(response) {
return axios.all([ axios.get('/preferences'), axios.get('/roles') ]);
})
.then(function(responses) {
const [
preferencesResponse,
rolesResponse
] = responses;
// do more things
})
.catch(function(error) {
console.log(error);
});

Answer 2

Dan O's answer is very good and it works perfectly but it's much readable using async/await although it's also working with promises under the hoood
async yourReactClassFunction(){
try{
let getAuth = await axios.get('/auth');
//if login not successful return;
let result = await Promise.all([axios.get('/preferences'), axios.get('/roles')]);
//Do whatever with the results.
}catch(e){
//TODO error handling
}
}
Although it's the same thing, 'feels' more readable in my very subjective opinion