jQuery Deferred Serializing Parallelizing Extensions

jquery.deferred.serialize.parallelize.js

  //each accepts an array of functions that return a promise

  $.Deferred.serialize = function(fns) {
    if(!$.isArray(fns) || fns.length === 0) 
      return $.Deferred().resolve().promise();
        
    var pipeline = fns[0](), c = 1, l = fns.length;
    for(;c < l;c++)
        pipeline = pipeline.pipe(fns[c]);
    return pipeline;
  }

  $.Deferred.parallelize = function(fns) {
    if(!$.isArray(fns) || fns.length === 0)
      return $.Deferred().resolve().promise(); 

    return $.when.apply(this,_.map(fns, function(fn) { return fn(); }));
  }