NewNormalizer creates a new OperationNormalizer and sets up all default rules.

NewWithOpts creates a new OperationNormalizer with Options.

NormalizeOperation creates a default Normalizer and applies all rules to a given AST In case you're using OperationNormalizer in a hot path you shouldn't be using this function.

Depth holds all necessary information to understand the Depth of a Fragment Node.

FragmentSpreadDepth is a helper for nested Fragments to calculate the actual depth of a Fragment Node.

OperationNormalizer walks a given AST and applies all registered rules.