index.js
function formatError(err, helper, args) {
  err.helper = helper;
  define(err, 'args', args);
  return err;
}
function formatError(err, helper, args) {
  err.helper = helper;
  define(err, 'args', args);
  return err;
}
function formatError ( err , helper , args ) { err . helper = helper ; define ( err , 'args' , args ) ; return err ; }
Format an error message to provide better information about the
helper and the arguments passed to the helper when the error occurred.

@param  {Object} `err` Error object
@param  {Object} `helper` helper object to provide more information
@param  {Array} `args` Array of arguments passed to the helper.
@return {Object} Formatted Error object
Format an error message to provide better information about the helper and the arguments passed to the helper when the error occurred .