gistfile1.js

var assets = new Chute.API.Assets({ album: 'ALBUM_SHORTCUT '}).toData();

assets.on('data:load', function(){
  var items = assets.data.items();
  
  var popularAssets = _.filter(items, function(item){
    return item.hearts > 10;
  });
  
  var filteredAssets = [];
  
  async.forEach(popularAssets, function(asset, nextAsset){
      var image = new Image;
      
      image.onload = function(){
        filteredAssets.push(asset);
        nextAsset();
      };
      
      image.onerror = function(){ nextAsset(); };
      
      image.src = asset.url;
    }, function(){
      // Ready to use data, filtered data set is in filteredAssets variable
    });
});

assets.load();