GraphQL Essential Training

This repository contains the excercises of the GraphQL Essential Training on LinkedIn Learning.

Prerequisite

The following applications needs to be installed:

• Node.js
• Yarn
• MongoDB

Running project

yarn start

Queries and Mutations

Add new items with mutation

mutation {
  createFriend(input: {
    firstName: "Agaton"
    lastName: "Sax"
    gender: MALE
    age: 44
  }){
    id
    firstName
    age
  }
}

mutation {
  createFriend(input: {
    firstName: "Ture"
    lastName: "Sventon"
    gender: MALE
    age: 40
  }){
    id
    firstName
    age
  }
}

Update items with mutation

mutation {
  updateFriend(input: {
    id: "5d128f75f6524f6aab902759"
    firstName: "Ture"
    age: 41
  }) {
    firstName
    lastName
    age
  }
}

Query with alias and fragments

query {
  one: getOneFriend(id: "5d128f60f6524f6aab902758") {
    ...friendFragment
  }
  second: getOneFriend(id: "5d128f75f6524f6aab902759") {
    ...friendFragment
  }
}

fragment friendFragment on Friend {
  firstName
  lastName
  age
}

Delete item with mutation

mutation {
  deleteFriend(id: "5d128f75f6524f6aab902759")
}