country_city_regions/index.js

Countries and there relevent cities and their regions. There are few countries which have regions included as well

module.exports = {
  getCountries: function() {
    var data = require("./data.json");
    var countries = [];
    for (key in data["countries"]) {
      countries.push(key);
    }
    return countries;
  },
  getCities: function(country) {
    var splits = country.split(" ");
    country = null;
    splits.forEach(function(split) {
      country = country ? country + " " + split : split;
    });
    var data = require("./data.json");
    return data["countries"][country];
  },
  getCityRegions: function(country) {
    var splits = country.split(" ");
    country = null;
    splits.forEach(function(split) {
      country = country ? country + " " + split : split;
    });
    var data = require("./data.json");
    var getRegionNames = data["regions"][country];
    if(getRegionNames === undefined || getRegionNames === "undefined"){
      var getAllCities = data["countries"][country];
      var allCitiesAsRegion = [];
      allCitiesAsRegion.push({name:"All Cities"});
      getAllCities.forEach(function(city) {
        allCitiesAsRegion.push({name:city});
      });
      getRegionNames = allCitiesAsRegion;
    }
    return getRegionNames;
  }
};