Procedural Code to Effect Code

export function chooseRandomPokemon(pokemons: Resource[], amount = 4) {
  const randomPokemons = [] as Resource[];

  while (amount > 0 && pokemons.length > 0) {
    const randomIndex = Math.floor(Math.random() * pokemons.length);
    const pokemon = pokemons[randomIndex];
    randomPokemons.push(pokemon);
    pokemons.splice(randomIndex, 1);
    amount--;
  }

  return randomPokemons;
}