class GraphQL::StaticValidation::DirectivesAreInValidLocations
Constants
- LOCATION_MESSAGE_NAMES
- SIMPLE_LOCATIONS
- SIMPLE_LOCATION_NODES
Public Instance Methods
validate(context)
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# File lib/graphql/static_validation/rules/directives_are_in_valid_locations.rb, line 7 def validate(context) directives = context.schema.directives context.visitor[Nodes::Directive] << ->(node, parent) { validate_location(node, parent, directives, context) } end
Private Instance Methods
assert_includes_location(directive_defn, directive_ast, required_location, context)
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# File lib/graphql/static_validation/rules/directives_are_in_valid_locations.rb, line 50 def assert_includes_location(directive_defn, directive_ast, required_location, context) if !directive_defn.locations.include?(required_location) location_name = LOCATION_MESSAGE_NAMES[required_location] allowed_location_names = directive_defn.locations.map { |loc| LOCATION_MESSAGE_NAMES[loc] } context.errors << message("'@#{directive_defn.name}' can't be applied to #{location_name} (allowed: #{allowed_location_names.join(", ")})", directive_ast, context: context) end end
validate_location(ast_directive, ast_parent, directives, context)
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# File lib/graphql/static_validation/rules/directives_are_in_valid_locations.rb, line 36 def validate_location(ast_directive, ast_parent, directives, context) directive_defn = directives[ast_directive.name] case ast_parent when Nodes::OperationDefinition required_location = GraphQL::Directive.const_get(ast_parent.operation_type.upcase) assert_includes_location(directive_defn, ast_directive, required_location, context) when *SIMPLE_LOCATION_NODES required_location = SIMPLE_LOCATIONS[ast_parent.class] assert_includes_location(directive_defn, ast_directive, required_location, context) else context.errors << message("Directives can't be applied to #{ast_parent.class.name}s", ast_directive, context: context) end end