formatFileSize static method

String formatFileSize(
  1. int bytes
)

Format file size in human-readable format

Example:

FSUtils.formatFileSize(1024); // '1.0 KB'
FSUtils.formatFileSize(1048576); // '1.0 MB'

Implementation

static String formatFileSize(int bytes) {
  assert(bytes >= 0, 'Bytes cannot be negative');

  if (bytes < 1024) return '$bytes B';
  if (bytes < 1048576) return '${(bytes / 1024).toStringAsFixed(1)} KB';
  if (bytes < 1073741824) return '${(bytes / 1048576).toStringAsFixed(1)} MB';
  return '${(bytes / 1073741824).toStringAsFixed(1)} GB';
}