Simple Deno application that list Deezer album information

dl.js

#!/usr/bin/env deno run --allow-net
import { parse } from "https://deno.land/std/flags/mod.ts";

const httpGetJson = async (url) => await (await fetch(url)).json();

const args = parse(Deno.args);

if (args._.length == 0) {
    console.log('Give an album name!');
    Deno.exit();
}

const albums = (await httpGetJson(`https://api.deezer.com/search/album?q=${encodeURIComponent(Deno.args[0])}`)).data;
if (albums.length == 0) {
    console.log('No album found!');
    Deno.exit();
}

const album = await httpGetJson('https://api.deezer.com/album/' + albums[0].id);
if ('l' in args || 'list' in args) {
    const albumArtists = album.contributors.map(artist => artist.name);
    console.log(`# ${album.title} by ${albumArtists.join(', ')}`);
    let index = 1;
    for (let track of album.tracks.data) {
        track = await httpGetJson('https://api.deezer.com/track/' + track.id);
        const trackArtists = albumArtists.concat(track.contributors.map(artist => artist.name)
            .filter(name => albumArtists.indexOf(name) == -1));
        console.log(
            `${index.toString().padStart(album.nb_tracks.toString().length)}. ${track.title} ` +
            `(${Math.floor(track.duration / 60).toString().padStart(2, '0')}:` +
            `${(track.duration % 60).toString().padStart(2, '0')}) ` +
            `by ${trackArtists.join(', ')}`
        );
        index += 1;
    }
} else {
    console.log('TODO');
}