kitten.sh
1const {
2 GraphQLList,
3 GraphQLObjectType,
4 GraphQLSchema,
5 GraphQLString,
6} = require('graphql');
7
8const schema = new GraphQLSchema({
9 query: new GraphQLObjectType({
10 name: 'Query',
11 fields: () => ({
12 alphabet: {
13 type: new GraphQLList(
14 new GraphQLObjectType({
15 name: 'Alphabet',
16 fields: {
17 char: {
18 type: GraphQLString,
19 },
20 },
21 })
22 ),
23 resolve: async function* () {
24 for (let letter = 65; letter <= 90; letter++) {
25 await new Promise(resolve => setTimeout(resolve, 500));
26 yield { char: String.fromCharCode(letter) };
27 }
28 },
29 },
30 song: {
31 type: new GraphQLObjectType({
32 name: 'Song',
33 fields: () => ({
34 firstVerse: {
35 type: GraphQLString,
36 resolve: () => "Now I know my ABC's.",
37 },
38 secondVerse: {
39 type: GraphQLString,
40 resolve: () =>
41 new Promise(resolve =>
42 setTimeout(
43 () => resolve("Next time won't you sing with me?"),
44 5000
45 )
46 ),
47 },
48 }),
49 }),
50 resolve: () =>
51 new Promise(resolve => setTimeout(() => resolve('goodbye'), 1000)),
52 },
53 }),
54 }),
55});
56
57module.exports = { schema };