Model
LevelCalculator
Magento\CatalogGraphQl\Model\Category\LevelCalculator
What it does
This class calculates the hierarchy level of a category in Magento's category tree for GraphQL requests.
Developers use it when building GraphQL resolvers to determine how deep a category is nested from the root, which is essential for proper category tree traversal and displaying category hierarchies in headless or PWA implementations.
Public Methods
- calculate()