Chaining promise issue in Country API (Solution)

[saroshkhann]

/////////// Instead of this code

const getCountryData = function (country) {
  // Country 1
  fetch(`https://restcountries.com/v3.1/name/${country}`)
    .then(response => response.json())
    .then(data => {
      renderCountry(data[0]);
      const neighbour = data[0].borders[0];
      if (!neighbour) return;

      return fetch(`https://restcountries.com/v3.1/alpha/${neighbour}`);
    })
    .then(response => response.json())
    .then(data => renderCountry(data, 'neighbour'));
};

////////////// Write this code

const getCountryData = function (country) {
  // Country 1
  fetch(`https://restcountries.com/v3.1/name/${country}`)
    .then(response => response.json())
    .then(data => {
      renderCountry(data[0]);
      const neighbour = data[0].borders[0];
      if (!neighbour) return;

      return fetch(`https://restcountries.com/v3.1/alpha/${neighbour}`);
    })
    .then(response => response.json())
    .then(data => renderCountry(data[0], 'neighbour'));
};

[Hamza-jamshaid]

describe it clearly. file name and What is the issue that it had ?