artesanias/node_modules/underscore/amd/map.js

define(['./keys', './_cb', './_isArrayLike'], function (keys, _cb, _isArrayLike) {

  // Return the results of applying the iteratee to each element.
  function map(obj, iteratee, context) {
    iteratee = _cb(iteratee, context);
    var _keys = !_isArrayLike(obj) && keys(obj),
        length = (_keys || obj).length,
        results = Array(length);
    for (var index = 0; index < length; index++) {
      var currentKey = _keys ? _keys[index] : index;
      results[index] = iteratee(obj[currentKey], currentKey, obj);
    }
    return results;
  }

  return map;

});