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schema.js
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schema.js
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import { gql } from 'apollo-server-express'
import userModel from './models'
export const typeDefs = gql`
type User {
id: ID
name: String
age: Int
email: String
friends: [User]
}
type Query {
users: [User]
}
input CreateUserInput {
id: Int
name: String
age: Int
email: String
friends: [Int]
}
type Mutation {
createUser(input: CreateUserInput): User
}
`
export const resolvers = {
Query: {
users() {
return userModel.list()
}
},
User: {
friends(source) {
if (!source.friends || !source.friends.length) {
return
}
return Promise.all(
source.friends.map(({ id }) => userModel.find(id))
)
}
},
Mutation: {
createUser(source, args) {
return userModel.create(args.input)
}
}
}