codeforamerica/ohana-web-search

// Manages loading of JSON data for Google Maps markers.

// The JSON marker data used on the map.
var _markerData = [];

// Load the map marker JSON data for Google Maps.
// @param mapDataSelector [String] DOM reference to map marker JSON data
//   encapsulated in a <script> element.
// @return [JSON] JSON object of map marker data, or an empty array.
function loadData(mapDataSelector) {
  var locations = document.querySelector(mapDataSelector);
  if (locations) {
    // Load the map marker data from the JSON map data embedded in the DOM.
    _markerData = JSON.parse(locations.innerHTML);

    // Remove the script element from the DOM
    locations.parentNode.removeChild(locations);
  }
  return _markerData;
}

// @return [JSON] JSON object of map marker data, or an empty array.
function getData() {
  return _markerData;
}

export default {
  loadData:loadData,
  getData:getData
};