Weaponsmith

function solve(arr){
   let weaponName = arr.shift().split('|');
   let el = '';
   for(let element of arr){

       if(element === 'Done'){
         break;
       }
       let allCommand = element.split(' ');// Move Right 0
       let command = allCommand.shift();// Move
       let position = allCommand.shift();// Right

       switch(command){
         case 'Move':
                        let index = Number(allCommand);
                        switch(position){
                            case 'Right':
                                if(index < 0 || index >= weaponName.length){
                                   break;
                                }else if(index >= 0 && index < weaponName.length - 1){
                                  [weaponName[index + 1], weaponName[index]] = [weaponName[index], weaponName[index + 1]];
                                }

                            ;break;

                            case 'Left':
                                if(index < 0 || index >= weaponName.length){
                                  break;
                                }else if(index > 0 && index < weaponName.length){
                                  [weaponName[index - 1], weaponName[index]] = [weaponName[index], weaponName[index - 1]]
                                }
                            ;break;
                      };break;
         case 'Check': switch(position){
                            case 'Even':
                              console.log(weaponName.filter((el,index)=> index % 2 === 0).join(' '));
                              ;break;
                            case 'Odd':
                              console.log(weaponName.filter((el, index) => index % 2 !== 0).join(' '));
                              ;break;
                      };break;
       }


   }

   console.log(weaponName.join(''))

}

solve([
    'ha|Do|mm|om|er',
    'Move Right 0',
    'Move Left 3',
    'Check Odd',
    'Move Left 2',
    'Move Left 10',
    'Move Left 0',
    'Done'
]);