function setRepeatPlaylist(playlist, repeatState) {
    _repeater2.default.setRepeatPlaylist(repeatState, playlist);
    _repeatElements2.default.syncRepeatPlaylist(playlist);
  }
Sets the repeat state for a playlist.

Public Accessor: Amplitude.setRepeatPlaylist( playlistKey )

@access public
@param {string} playlist 	- The key representing the playlist ID to to shuffle the playlist.
@param {boolean} repeatState - The state you want the repeat playlist to be in.