gistfile1.txt

  //Object.keys returns an array like ['username/clipname': {name: clipname, mp3_file:<link_to_mp3>}]
  userClips = Object.keys(clips)
    // filter the array to only include those that start with the username
    .filter(clip => !clip.indexOf(`${username}/`))
    // reduces the original object key array using object explode syntax
    .reduce((obj, key)=>{
      return {
        // obj is exploded, its the accumulation of the reduce
        ...obj,
        // inserts the clip into the accumulator
        [key]:clips[key]
      }
    }, {})