SourceEdit _addToBlockMap()

in lib/src/map_mutations.dart [52:96]

• 35 lines of code
• 7 McCabe index (conditional complexity)

SourceEdit _addToBlockMap(
    YamlEditor yamlEdit, YamlMap map, Object key, YamlNode newValue) {
  final yaml = yamlEdit.toString();
  final newIndentation =
      getMapIndentation(yaml, map) + getIndentation(yamlEdit);
  final keyString = yamlEncodeFlowString(wrapAsYamlNode(key));
  final lineEnding = getLineEnding(yaml);

  var valueString = yamlEncodeBlockString(newValue, newIndentation, lineEnding);
  if (isCollection(newValue) &&
      !isFlowYamlCollectionNode(newValue) &&
      !isEmpty(newValue)) {
    valueString = '$lineEnding$valueString';
  }

  var formattedValue = ' ' * getMapIndentation(yaml, map) + '$keyString: ';
  var offset = map.span.end.offset;

  final insertionIndex = getMapInsertionIndex(map, keyString);

  if (map.isNotEmpty) {
    /// Adjusts offset to after the trailing newline of the last entry, if it
    /// exists
    if (insertionIndex == map.length) {
      final lastValueSpanEnd = getContentSensitiveEnd(map.nodes.values.last);
      final nextNewLineIndex = yaml.indexOf('\n', lastValueSpanEnd);

      if (nextNewLineIndex != -1) {
        offset = nextNewLineIndex + 1;
      } else {
        formattedValue = lineEnding + formattedValue;
      }
    } else {
      final keyAtIndex = map.nodes.keys.toList()[insertionIndex] as YamlNode;
      final keySpanStart = keyAtIndex.span.start.offset;
      final prevNewLineIndex = yaml.lastIndexOf('\n', keySpanStart);

      offset = prevNewLineIndex + 1;
    }
  }

  formattedValue += valueString + lineEnding;

  return SourceEdit(offset, 0, formattedValue);
}