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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()