async-await-sample.js

async function getMoviePackageFor(movie_id) {

    /// Get the URLs of the movie and subtitle file in parallel
    const movie_url = await MovieDatabase.getURLFor(movie_id)
    const subtitle_url = await SubtitleDatabase.getURLFor(movie_id)
    
    /*
    By the way, if you want those two async actions to run in
    parallel, you can do this:
    
    const [movie_url, subtitle_url] = await Promise.all([
        MovieDatabase.getURLFor(movie_id),
        SubtitleDatabase.getURLFor(movie_id),
    ])
    */
    
    const movie_file = await DownloadTool.download(movie_url)
    const subtitle_file = await DownloadTool.download(subtitle_url)

    return [movie_file, subtitle_file]
}