lib/unmarshalingCommands.js
function unmarshalPassThrough(item) {
  var key = _.find(function(type) {
    return _.has(type, item);
  }, ['S', 'B', 'BS', 'BOOL']);

  return !key ? void 0 : item[key];
}
function unmarshalPassThrough(item) {
  var key = _.find(function(type) {
    return _.has(type, item);
  }, ['S', 'B', 'BS', 'BOOL']);

  return !key ? void 0 : item[key];
}
function unmarshalPassThrough ( item ) { var key = _ . find ( function ( type ) { return _ . has ( type , item ) ; } , [ 'S' , 'B' , 'BS' , 'BOOL' ] ) ; return ! key ? void 0 : item [ key ] ; }
Converts DynamoDb "S", "B", "BS", "BOOL" to values.

@param item
@returns {*}
Converts DynamoDb S B BS BOOL to values .