class GraphQL::Schema::List
Represents a list type in the schema. Wraps a {Schema::Member} as a list type. @see {Schema::Member::TypeSystemHelpers#to_list_type}
Public Instance Methods
coerce_input(value, ctx)
click to toggle source
# File lib/graphql/schema/list.rb, line 39 def coerce_input(value, ctx) if value.nil? nil else coerced = ensure_array(value).map { |item| item.nil? ? item : of_type.coerce_input(item, ctx) } ctx.schema.after_any_lazies(coerced, &:itself) end end
coerce_result(value, ctx)
click to toggle source
# File lib/graphql/schema/list.rb, line 35 def coerce_result(value, ctx) value.map { |i| i.nil? ? nil : of_type.coerce_result(i, ctx) } end
description()
click to toggle source
Also for implementing introspection
# File lib/graphql/schema/list.rb, line 31 def description nil end
graphql_name()
click to toggle source
This is for introspection, where it’s expected the name will be ‘null`
# File lib/graphql/schema/list.rb, line 26 def graphql_name nil end
kind()
click to toggle source
@return [GraphQL::TypeKinds::LIST]
# File lib/graphql/schema/list.rb, line 12 def kind GraphQL::TypeKinds::LIST end
list?()
click to toggle source
@return [true]
# File lib/graphql/schema/list.rb, line 17 def list? true end
to_type_signature()
click to toggle source
# File lib/graphql/schema/list.rb, line 21 def to_type_signature "[#{@of_type.to_type_signature}]" end
validate_non_null_input(value, ctx)
click to toggle source
# File lib/graphql/schema/list.rb, line 48 def validate_non_null_input(value, ctx) result = nil ensure_array(value).each_with_index do |item, index| item_result = of_type.validate_input(item, ctx) if !item_result.valid? result ||= GraphQL::Query::InputValidationResult.new result.merge_result!(index, item_result) end end result end
Private Instance Methods
ensure_array(value)
click to toggle source
# File lib/graphql/schema/list.rb, line 62 def ensure_array(value) # `Array({ a: 1 })` makes `[[:a, 1]]`, so do it manually if value.is_a?(Array) value else [value] end end