preview method

String preview({
  1. int maxTextChars = 160,
  2. int maxBytes = 12,
})

Implementation

String preview({int maxTextChars = 160, int maxBytes = 12}) {
  final failure = error;
  if (failure != null) return failure;

  final textValue = textPreview(maxChars: maxTextChars);
  if (textValue != null) return textValue;

  final signature = byteSignature(maxBytes: maxBytes);
  if (signature != null) {
    return 'bytes=$sizeBytes; signature=$signature';
  }

  return 'empty export payload';
}