text: const { NotImplementedError } = require('../extensions/index.js');
  
  /**
   * Create name of dream team based on the names of its members
   *
   * @param {Array} members names of the members
   * @return {String | Boolean} name of the team or false
   * in case of incorrect members
   *
   * @example
   *
   * createDreamTeam(['Matt', 'Ann', 'Dmitry', 'Max']) => 'ADMM'
   * createDreamTeam(['Olivia', 1111, 'Lily', 'Oscar', true, null]) => 'LOO'
   *
   */
  function createDreamTeam(members) {
    let result = '';
    if (members && members.length>0 && (typeof(members) == 'object') || typeof(members) == 'array') {
      for (let i = 0; i < members.length; i++) {
        if (typeof(members[i]) == 'string') {
          let name = members[i].trim();
          result = result + name[0];
        }
      };
      return result.toUpperCase().split('').sort().join('');
    } else {
      return false;
    }
  }
  
  module.exports = {
    createDreamTeam
  };
  