site-oi-cities-groups/index.js

a module to handle the regionalized data

module.exports = {
  function loadCityData(cityId, callback) {
    try {
      require(`./CitiesGroups/${cityId}.js`)(function(cityData) {
        callback(null, cityData)
      })
    } catch(err) {
      callback(err)
    }
  } 
}