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Contents
# frozen_string_literal: true
module GraphQL
module StaticValidation
# The validation context gets passed to each validator.
#
# It exposes a {GraphQL::Language::Visitor} where validators may add hooks. ({Language::Visitor#visit} is called in {Validator#validate})
#
# It provides access to the schema & fragments which validators may read from.
#
# It holds a list of errors which each validator may add to.
#
# It also provides limited access to the {TypeStack} instance,
# which tracks state as you climb in and out of different fields.
class ValidationContext
extend Forwardable
attr_reader :query, :errors, :visitor,
:on_dependency_resolve_handlers
def_delegators :@query, :schema, :document, :fragments, :operations, :warden
def initialize(query, visitor_class)
@query = query
@literal_validator = LiteralValidator.new(context: query.context)
@errors = []
@on_dependency_resolve_handlers = []
@visitor = visitor_class.new(document, self)
end
def_delegators :@visitor,
:path, :type_definition, :field_definition, :argument_definition,
:parent_type_definition, :directive_definition, :object_types, :dependencies
def on_dependency_resolve(&handler)
@on_dependency_resolve_handlers << handler
end
def valid_literal?(ast_value, type)
@literal_validator.validate(ast_value, type)
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems