clayallsopp

const schema = new GraphQLSchema({
  query: new GraphQLObjectType({
    name: 'RootQueryType',
    fields: {
      search: {
        type: new GraphQLList(SearchableType),
        args:  {
          text: { type : new GraphQLNonNull(GraphQLString) }
        },
        resolve(root, args) {

clayallsopp

const resolveType = (data) => {
  if (data.username) {
    return UserType;
  }
  if (data.director) {
    return MovieType;
  }
  if (data.author) {
    return BookType;
  }

clayallsopp

const UserType = new GraphQLObjectType({
  name : 'User',
  fields : {
    username : { type : GraphQLString }
  }
});

const MovieType = new GraphQLObjectType({
  name : 'Movie',
  fields : {

clayallsopp

const DATA = [
  { username : 'catherine' },
  { director : 'catherine hardwicke' },
  { author : 'catherine cookson' }
];

clayallsopp

import {
  graphql,
  GraphQLSchema,
  GraphQLObjectType,
  GraphQLString,
  GraphQLNonNull
} from 'graphql';

const schema = new GraphQLSchema({
  query: new GraphQLObjectType({

clayallsopp

query {
  search(text: "cat") {
    searchPreviewText
  }
}

clayallsopp

interface Searchable {
  searchPreviewText: String!
} 

type User implements Searchable {
  searchPreviewText: String!
  username: String!
}

type Movie implements Searchable {

clayallsopp

union SearchResult = User | Movie | Book

type Query {
  search(text: String!): [SearchResult]!
}

clayallsopp

query {
  search(text: "cat") {
    ... on User {
      username
    }
    ... on Movie {
      director
    }
    ... on Book {
      author

clayallsopp

query {
  search(text: "cat") {
    users {
      # ...
    }
    movies {
      # ...
    }
    books {
      # ...