type_system_extension

README

Type System Extension example

https://graphql.github.io/graphql-spec/draft/#sec-Type-System-Extensions

$ go run ./server/server.go
2018/10/25 12:46:45 connect to http://localhost:8080/ for GraphQL playground

$ curl -X POST 'http://localhost:8080/query' --data-binary '{"query":"{ todos { id text state verified } }"}'
{"data":{"todos":[{"id":"Todo:1","text":"Buy a cat food","state":"NOT_YET","verified":false},{"id":"Todo:2","text":"Check cat water","state":"DONE","verified":true},{"id":"Todo:3","text":"Check cat meal","state":"DONE","verified":true}]}}

Documentation

Index

• Variables
• func EnumLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• func FieldLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• func InputLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• func NewExecutableSchema(cfg Config) graphql.ExecutableSchema
• func ObjectLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• func ScalarLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• func UnionLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
• type ComplexityRoot
• type Config
• type Data
• type DirectiveRoot
• type MyMutation
• type MyMutationResolver
• type MyQuery
• type MyQueryResolver
• type Node
• type ResolverRoot
  • func NewRootResolver() ResolverRoot
• type State
  • func (e State) IsValid() bool
  • func (e State) MarshalGQL(w io.Writer)
  • func (e State) String() string
  • func (e *State) UnmarshalGQL(v any) error
• type Todo
  • func (this Todo) GetID() string
  • func (Todo) IsData()
  • func (Todo) IsNode()
• type TodoInput

Variables

var AllState = []State{
	StateNotYet,
	StateDone,
}

Functions

func EnumLogging

func EnumLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

func FieldLogging

func FieldLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

func InputLogging

func InputLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

func NewExecutableSchema

func NewExecutableSchema(cfg Config) graphql.ExecutableSchema

NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.

func ObjectLogging

func ObjectLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

func ScalarLogging

func ScalarLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

func UnionLogging

func UnionLogging(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)

Types

type ComplexityRoot

type ComplexityRoot struct {
	MyMutation struct {
		CreateTodo func(childComplexity int, todo TodoInput) int
	}

	MyQuery struct {
		Todo  func(childComplexity int, id string) int
		Todos func(childComplexity int) int
	}

	Todo struct {
		ID       func(childComplexity int) int
		State    func(childComplexity int) int
		Text     func(childComplexity int) int
		Verified func(childComplexity int) int
	}
}

type Config

type Config struct {
	Schema     *ast.Schema
	Resolvers  ResolverRoot
	Directives DirectiveRoot
	Complexity ComplexityRoot
}

type Data

type Data interface {
	IsData()
}

type DirectiveRoot

type DirectiveRoot struct {
	EnumLogging      func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	FieldLogging     func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	InputLogging     func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	InterfaceLogging func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	ObjectLogging    func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	ScalarLogging    func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
	UnionLogging     func(ctx context.Context, obj any, next graphql.Resolver) (res any, err error)
}

type MyMutation

type MyMutation struct {
}

type MyMutationResolver

type MyMutationResolver interface {
	CreateTodo(ctx context.Context, todo TodoInput) (*Todo, error)
}

type MyQuery

type MyQuery struct {
}

type MyQueryResolver

type MyQueryResolver interface {
	Todos(ctx context.Context) ([]*Todo, error)
	Todo(ctx context.Context, id string) (*Todo, error)
}

type Node

type Node interface {
	IsNode()
	GetID() string
}

type ResolverRoot

type ResolverRoot interface {
	MyMutation() MyMutationResolver
	MyQuery() MyQueryResolver
}

func NewRootResolver

func NewRootResolver() ResolverRoot

type State

type State string

const (
	StateNotYet State = "NOT_YET"
	StateDone   State = "DONE"
)

func (State) IsValid

func (e State) IsValid() bool

func (State) MarshalGQL

func (e State) MarshalGQL(w io.Writer)

func (State) String

func (e State) String() string

func (*State) UnmarshalGQL

func (e *State) UnmarshalGQL(v any) error

type Todo

type Todo struct {
	ID       string `json:"id"`
	Text     string `json:"text"`
	State    State  `json:"state"`
	Verified bool   `json:"verified"`
}

func (Todo) GetID

func (this Todo) GetID() string

func (Todo) IsData

func (Todo) IsData()

func (Todo) IsNode

func (Todo) IsNode()

type TodoInput

type TodoInput struct {
	Text string `json:"text"`
}