import Ember from 'ember';

/**
 * @module ember-osf
 * @submodule helpers
 */

/**
  * Return the username to display in the navbar. Shortens long usernames.
  *
  * @class getDisplayName
  * @param {String} username
  * @return {String} Username if less than 40 characters, otherwise, returns truncated username
  */
export function getDisplayName(params/*, hash*/) {
  let name = params[0] || '';
  if (name.length > 40) {
      return `${name.slice(0,20)}...${name.slice(-15)}`
  }
  return name;
}

export default Ember.Helper.helper(getDisplayName);