Map _readVersionMap()

in lib/src/sdk.dart [144:166]

• 22 lines of code
• 5 McCabe index (conditional complexity)

Map<String, Object> _readVersionMap(String channelName) {
  final file = File(path.join(Directory.current.path, _flutterSdkConfigFile));
  final sdkConfig =
      (loadYaml(file.readAsStringSync()) as Map).cast<String, Object>();

  if (!sdkConfig.containsKey('flutter_sdk')) {
    throw StateError("No key 'flutter_sdk' found in '$_flutterSdkConfigFile'");
  }
  final flutterConfig = sdkConfig['flutter_sdk'] as Map;
  if (!flutterConfig.containsKey(channelName)) {
    throw StateError("No key '$channelName' found in '$_flutterSdkConfigFile'");
  }
  final channelConfig = flutterConfig[channelName] as Map;
  if (!channelConfig.containsKey('flutter_version')) {
    throw StateError(
        "No key 'flutter_version' found in '$_flutterSdkConfigFile'");
  }
  if (!channelConfig.containsKey('dart_language_version')) {
    throw StateError(
        "No key 'dart_language_version' found in '$_flutterSdkConfigFile'");
  }
  return channelConfig.cast<String, Object>();
}