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graphql2.js
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graphql2.js
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const express = require('express')
const graphqlHTTP = require('express-graphql')
const {
GraphQLSchema,
GraphQLString,
GraphQLObjectType,
GraphQLNonNull,
GraphQLEnumType,
GraphQLInt,
} = require('graphql')
const WIDGET = new GraphQLEnumType({
name: 'WIDGET',
values: {
RED_WIDGET: { value: 'red-widget' },
GREEN_WIDGET: { value: 'green-widget' },
BLUE_WIDGET: { value: 'blue-widget' },
},
})
const query = new GraphQLObjectType({
name: 'Query',
fields: () => ({
widgets: {
type: GraphQLString,
args: {
name: {
description: 'The id of the widget',
type: new GraphQLNonNull(WIDGET),
},
},
resolve: (source, { name }) => {
return `select * from widgets where name = '${name}';`
},
},
}),
})
let server = express()
server.use(
'/',
graphqlHTTP({ schema: new GraphQLSchema({ query }), graphiql: true }),
)
server.listen(3000)