deleteFileIfExists method

Implementation

Future<void> deleteFileIfExists() async {
  // clean up the files from previous use
  File fileToDelete = File(wordCloudImagePath);
  if (await fileToDelete.exists()) {
    await fileToDelete.delete();
    debugPrint('File $wordCloudImagePath deleted');
  }
  File tmpImageFile = File(tmpImagePath);
  if (await tmpImageFile.exists()) {
    await tmpImageFile.delete();
    debugPrint('File $tmpImagePath deleted');
  }
}