async.mapFunctions - map a list of functions to a single item

mapFunctions.js

function asyncify(fn) {
  return function (option, callback) {
    var res;
    try {
      res = fn(option);
    } catch (err) {
      return callback(err);
    }
    callback(null, res);
  }
}

_.mapObj = _.map(obj, fn).zip(_.keys(obj))


function mapFunctions(item, functions, callback) {
  var results = [];
  async.eachSeries(functions, function (fn, cb) {
    fn(item, function (err, result) {
      if (err) {return callback(err); }
      results.push(result);
      cb(null);
    });
  }, function (err) {
    if (err) {return callback(err); }
    callback(null, results);
  });
}