Sha256: 1aa220f40b9ee3c134205fca07f8c349ffab686a59743e14b24130253504119d
Contents?: true
Size: 1.78 KB
Versions: 35
Compression:
Stored size: 1.78 KB
Contents
module GraphQL
module StaticValidation
# Test whether `ast_value` is a valid input for `type`
class LiteralValidator
def validate(ast_value, type)
if type.kind.non_null?
(!ast_value.nil?) && validate(ast_value, type.of_type)
elsif type.kind.list?
item_type = type.of_type
ensure_array(ast_value).all? { |val| validate(val, item_type) }
elsif type.kind.scalar? && !ast_value.is_a?(GraphQL::Language::Nodes::AbstractNode) && !ast_value.is_a?(Array)
type.valid_input?(ast_value)
elsif type.kind.enum? && ast_value.is_a?(GraphQL::Language::Nodes::Enum)
type.valid_input?(ast_value.name)
elsif type.kind.input_object? && ast_value.is_a?(GraphQL::Language::Nodes::InputObject)
required_input_fields_are_present(type, ast_value) &&
present_input_field_values_are_valid(type, ast_value)
elsif ast_value.is_a?(GraphQL::Language::Nodes::VariableIdentifier)
true
else
false
end
end
private
def required_input_fields_are_present(type, ast_node)
required_field_names = type.input_fields
.values
.select { |f| f.type.kind.non_null? }
.map(&:name)
present_field_names = ast_node.arguments.map(&:name)
missing_required_field_names = required_field_names - present_field_names
missing_required_field_names.none?
end
def present_input_field_values_are_valid(type, ast_node)
fields = type.input_fields
ast_node.arguments.all? do |value|
field = fields[value.name]
field ? validate(value.value, field.type) : true
end
end
def ensure_array(value)
value.is_a?(Array) ? value : [value]
end
end
end
end
Version data entries
35 entries across 35 versions & 1 rubygems