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) {
    return Array.isArray(members)?members.filter(member => typeof member == 'string')
      .map(item => item.trim().toUpperCase())
      .sort()
      .reduce((accum, next)=> accum + next[0].toUpperCase(),''): false;
  }
  
  module.exports = {
    createDreamTeam
  };
  