Version: v0.7.1 Latest Latest

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Published: Nov 28, 2018 License: MIT Imports: 11 Imported by: 0


chat app

Example app using subscriptions to build a chat room.

to run this server

go run ./example/chat/server/server.go

to run the react app

cd ./example/chat
npm install 
npm run start




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func NewExecutableSchema

func NewExecutableSchema(cfg Config) graphql.ExecutableSchema

NewExecutableSchema creates an ExecutableSchema from the ResolverRoot interface.


type Chatroom

type Chatroom struct {
	Name      string
	Messages  []Message
	Observers map[string]chan Message

type ComplexityRoot added in v0.5.0

type ComplexityRoot struct {
	Chatroom struct {
		Name     func(childComplexity int) int
		Messages func(childComplexity int) int

	Message struct {
		Id        func(childComplexity int) int
		Text      func(childComplexity int) int
		CreatedBy func(childComplexity int) int
		CreatedAt func(childComplexity int) int

	Mutation struct {
		Post func(childComplexity int, text string, username string, roomName string) int

	Query struct {
		Room func(childComplexity int, name string) int

	Subscription struct {
		MessageAdded func(childComplexity int, roomName string) int

type Config

type Config struct {
	Resolvers  ResolverRoot
	Directives DirectiveRoot
	Complexity ComplexityRoot

func New

func New() Config

type DirectiveRoot

type DirectiveRoot struct {

type Message

type Message struct {
	ID        string    `json:"id"`
	Text      string    `json:"text"`
	CreatedBy string    `json:"createdBy"`
	CreatedAt time.Time `json:"createdAt"`

type MutationResolver

type MutationResolver interface {
	Post(ctx context.Context, text string, username string, roomName string) (Message, error)

type QueryResolver

type QueryResolver interface {
	Room(ctx context.Context, name string) (*Chatroom, error)

type ResolverRoot

type ResolverRoot interface {
	Mutation() MutationResolver
	Query() QueryResolver
	Subscription() SubscriptionResolver

type SubscriptionResolver

type SubscriptionResolver interface {
	MessageAdded(ctx context.Context, roomName string) (<-chan Message, error)


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