import 'dart:convert'; import 'dart:typed_data'; /// decodes base64 /// /// Dart's native [base64.decode] requires a padded base64 input String. /// This function allows unpadded base64 too. /// /// See: https://github.com/dart-lang/sdk/issues/39510 Uint8List base64decodeUnpadded(String s) { final needEquals = (4 - (s.length % 4)) % 4; return base64.decode(s + ('=' * needEquals)); }