loadCommonAirports method

Implementation

void loadCommonAirports() async {
  try {
    final String jsonString = await rootBundle.loadString(
        'assets/data/large_airports.json');
    final List<dynamic> jsonList = json.decode(jsonString);
    commonAirportsList.value =
        jsonList.map((json) => FromAirport.fromJson(json)).toList();
  } catch (e) {
    debugPrint('unable to load common airports');
  }
}