Move.parse constructor

Move.parse(String move)

Parses a move from String.

Implementation

factory Move.parse(String move) {
  if (move.isEmpty || move.length > 2) {
    throw ArgumentError('Invalid move: $move');
  }

  final letter = move[0].toUpperCase();
  final inverted = move.length > 1 && move[1] == "'";
  final double = move.length > 1 && move[1] == '2';
  final color = Color.of(letter);

  return Move(color, inverted: inverted, double: double);
}