call method

  1. @override
String? call(
  1. TerminalKeyboardEvent event
)
override

Implementation

@override
String? call(TerminalKeyboardEvent event) {
  if (event.type == TerminalKeyEventType.release) return null;
  if (event.key != TerminalKey.backspace) return null;
  if (!event.state.backarrowKeyMode) return null;

  final backspace = switch (event.ctrl) {
    true => '\x7f',
    false => '\b',
  };
  final prefix = switch (event.alt) {
    true => '\x1b',
    false => '',
  };
  return '$prefix$backspace';
}