deviceId static method

String deviceId(
  1. Object? value
)

Implementation

static String deviceId(Object? value) {
  if (value is! String ||
      !RegExp(r'^ble_[a-zA-Z0-9_-]{16,80}$').hasMatch(value)) {
    throw const FormatException('Expected an opaque BLE device handle.');
  }
  return value;
}