loadFile method
loads json cached file with a name
Implementation
Map<String, dynamic>? loadFile({required String cachedFileName}){
File jsonFile;
Map<String, dynamic>? _file;
String _filePath = tempDirectory.path + '/$cachedFileName.json';
jsonFile = new File(_filePath);
if (jsonFile.existsSync()) {
_file = json.decode(jsonFile.readAsStringSync());
return _file;
}
}