dry-validation-example.rb

class NodeArraySchema < Dry::Validation::Schema
  array_of? NodeSchema
end

class NodeSchema < Dry::Validation::Schema
  key(:path) { |path| path.filled? }
  key(:attributes) { |attributes| attributes.hash? }
  key(:relationships) do |relationships|
    relationships.array_of? RelationshipSchema
  end
end

class RelationshipSchema < Dry::Validation::Schema
  key(:from) { |from| from.str? && from.filled? }
  key(:to) { |to| to.str? && to.filled? }
  key(:name) { |name| to.str? && to.filled? }
end