Async Await

promise.js

let characterResponse = await fetch('http://swapi.co/api/people/2/')
let characterResponseJson = await characterResponse.json()
let films = await Promise.all(
  characterResponseJson.films.map(async filmUrl => {
    let filmResponse = await fetch(filmUrl)
    return filmResponse.json()
  })
)
console.log(films)

// the goodies
const callMethod = (methodName, ...params) => obj => obj[methodName](...params)
const awaitAll = promiseArray => Promise.all(promiseArray)
const prop = propName => obj => obj[propName]
const map = func => arr => arr.map(func)
const pipe = (...functions) => functions.reduce((compound, func) => (input => func(compound(input))))
const download = url => fetch(url).then(callMethod("json"))

// the code
download(
    "http://swapi.co/api/people/2/"
)
.then(
    pipe(
        prop("films"),
        map(download),
        awaitAll,
    )
)
.then(
    console.log
)
.catch(
    console.error
)