问从API解析后更改值

EN

const data = {
  success: true,
  listMap: [{
      State: 'Northrine Westfalia',
      Country: 'Germany'
    },
    {
      State: 'Bavaria',
      Country: 'Germany'
    }
  ]
}

function swap(data, prop, from, to) {
  return data.listMap.map(obj => {

    // Copy the object otherwise we'll return
    // an array of objects that point
    // to the old references
    const newObj = {...obj};
    if (newObj[prop] === from) newObj[prop] = to;
    return newObj;
  });
}

console.log(swap(data, 'Country', 'Germany', 'Deutchland'));
console.log(swap(data, 'State', 'Bavaria', 'New Bavaria'));

const list = response.listMap.map(entry => {
  return {
    State : entry.State,
    Country: entry.Country.replaceAll('Germany', 'Deutschland')
  }
})

const newJSONList = JSON.stringify(list);

listMap = listMap.map(listMapItem => {
if ('Germany'===listMapItem.Country) {
    listMapItem.Country = 'Deutschland';
    return listMapItem;
} else {
    return listMapItem;
}
});