nikulden-best sorting

function nikulden(param){
  let records = {};
  let unlikedMeals = 0;
  for(let el of param){

    if(el === 'Stop'){
      break;
    }

    let [command,name,meal] = el.split('-');
    switch(command){
      case 'Like':

        if(!records[name]){
          records[name] = [];
        }

        if(!records[name].includes(meal)){
          records[name].push(meal);
        }


      ;break;
      case 'Unlike':

        if(records[name]){

         if(records[name].includes(meal)){
           let indMeal = records[name].indexOf(meal);
           records[name].splice(indMeal,1);
           console.log(`${name} doesn't like the ${meal}.`);
           unlikedMeals++;
         }else{
           console.log(`${name} doesn't have the ${meal} in his/her collection.`)
         }

        }else{
          console.log(`${name} is not at the party.`)
        }

      ;break;
    }
  }
  let arr = Object.entries(records);
  let comparator = (a,b) => b[1].length - a[1].length ||
  a[0].localeCompare(b[0]);
  arr = arr.sort(comparator);
  arr.forEach(el=>{
    console.log(`${el[0]}: ${el[1].join(', ')}`)
  })
  console.log(`Unliked meals: ${unlikedMeals}`)
}

// nikulden([
//   'Like-Krisi-shrimps',
//   'Like-Krisi-soup',
//   'Like-Misho-salad',
//   'Like-Pena-dessert',
//   'Stop'

// ]);

nikulden([
  "Like-Krisi-shrimps",
  "Unlike-Vili-carp",
  "Unlike-Krisi-salad",
  "Unlike-Krisi-shrimps",
  "Stop"

])