mergeWith method

@override EditOperation mergeWith(EditOperation other)

Merge this operation with another

Implementation

@override
EditOperation mergeWith(EditOperation other) {
  if (other is! DeleteOperation) return this;

  if (other.offset == offset - other.text.length) {
    return DeleteOperation(
      offset: other.offset,
      text: other.text + text,
      selectionBefore: selectionBefore,
      selectionAfter: other.selectionAfter,
      timestamp: other.timestamp,
    );
  }

  if (other.offset == offset) {
    return DeleteOperation(
      offset: offset,
      text: text + other.text,
      selectionBefore: selectionBefore,
      selectionAfter: other.selectionAfter,
      timestamp: other.timestamp,
    );
  }
  return this;
}