static/node_modules/mongoose/lib/helpers/query/handleReadPreferenceAliases.js

'use strict';

module.exports = function handleReadPreferenceAliases(pref) {
  switch (pref) {
    case 'p':
      pref = 'primary';
      break;
    case 'pp':
      pref = 'primaryPreferred';
      break;
    case 's':
      pref = 'secondary';
      break;
    case 'sp':
      pref = 'secondaryPreferred';
      break;
    case 'n':
      pref = 'nearest';
      break;
  }

  return pref;
};