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final CH3
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‎.DS_Store‎

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‎.babelrc‎

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{
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"presets": ["react","env", "stage-0"],
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"plugins": [
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"relay",
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"transform-runtime"
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]
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}

‎.gitignore‎

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node_modules/

‎data/data.json‎

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[
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{
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"firstName": "Harrell",
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"lastName": "Browning",
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"gender": "male",
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"language": "english",
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"email": "harrellbrowning@barkarama.com",
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"image": "https://images.unsplash.com/photo-1418874478290-e7bc1086d373?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Penelope",
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"lastName": "Thornton",
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"gender": "female",
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"language": "english",
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"email": "penelopethornton@barkarama.com",
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"image": "https://images.unsplash.com/photo-1444068700300-d6ef2904d5e4?dpr=1&auto=format&fit=crop&w=1500&h=994&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Sutton",
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"lastName": "Daniel",
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"gender": "male",
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"language": "english",
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"email": "suttondaniel@barkarama.com",
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"image": "https://images.unsplash.com/photo-1475669913832-fd187510b578?dpr=1&auto=format&fit=crop&w=1500&h=1001&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Lenore",
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"lastName": "Henson",
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"gender": "female",
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"language": "english",
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"email": "lenorehenson@barkarama.com",
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"image": "https://images.unsplash.com/photo-1490911679664-99d34ae56d94?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Kelsey",
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"lastName": "Vasquez",
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"gender": "female",
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"language": "english",
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"email": "kelseyvasquez@barkarama.com",
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"image": "https://images.unsplash.com/photo-1444694828841-5e4fa2f4ccfd?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Hodge",
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"lastName": "Preston",
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"gender": "male",
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"language": "english",
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"email": "hodgepreston@barkarama.com",
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"image": "https://images.unsplash.com/photo-1477954417131-efc62c1b25cb?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Doris",
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"lastName": "Bentley",
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"gender": "female",
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"language": "english",
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"email": "dorisbentley@barkarama.com",
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"image": "https://images.unsplash.com/photo-1444700853742-b57744cb8852?dpr=1&auto=format&fit=crop&w=1500&h=999&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Carmela",
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"lastName": "Becker",
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"gender": "female",
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"language": "english",
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"email": "carmelabecker@barkarama.com",
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"image": "https://images.unsplash.com/photo-1444595538250-b05641c01607?dpr=1&auto=format&fit=crop&w=1500&h=845&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Tonia",
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"lastName": "Dillon",
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"gender": "female",
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"language": "english",
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"email": "toniadillon@barkarama.com",
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"image": "https://images.unsplash.com/photo-1492400253066-7aa8373adfe1?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Holmes",
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"lastName": "Witt",
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"gender": "male",
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"language": "english",
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"email": "holmeswitt@barkarama.com",
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"image": "https://images.unsplash.com/photo-1490923574825-95e44b2d7242?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Paige",
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"lastName": "Hurst",
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"gender": "female",
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"language": "english",
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"email": "paigehurst@barkarama.com",
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"image": "https://images.unsplash.com/photo-1492204955184-3a524e156c4a?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Meyers",
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"lastName": "Wheeler",
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"gender": "male",
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"language": "english",
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"email": "meyerswheeler@barkarama.com",
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"image": "https://images.unsplash.com/photo-1469033156481-db2cb560c480?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Edwards",
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"lastName": "Douglas",
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"gender": "male",
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"language": "english",
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"email": "edwardsdouglas@barkarama.com",
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"image": "https://images.unsplash.com/photo-1420578509940-73e9f7232eae?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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},
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{
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"firstName": "Connie",
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"lastName": "Ortega",
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"gender": "female",
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"language": "english",
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"email": "connieortega@barkarama.com",
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"image": "https://images.unsplash.com/photo-1476901192299-9a86d0454988?dpr=1&auto=format&fit=crop&w=1500&h=1000&q=80&cs=tinysrgb&crop=&bg="
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}
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]

‎data/database.js‎

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import data from "./data.json";
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class User {}
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class Friend {}
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//Mock data
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const viewer = new User();
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viewer.id = "1";
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viewer.name = "me";
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const friends = data.map(obj => {
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const friend = new Friend();
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friend.id = require("crypto")
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.randomBytes(10)
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.toString("hex");
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friend.firstName = obj.firstName;
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friend.lastName = obj.lastName;
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friend.gender = obj.gender;
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friend.language = obj.language;
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friend.email = obj.email;
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friend.image = obj.image;
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return friend;
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});
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module.exports = {
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getUser: id => (id === viewer.id ? viewer : null),
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getViewer: () => viewer,
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getFriend: id => friends.find(w => w.id == id),
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getFriends: () => friends,
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User,
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Friend
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};

‎data/schema.graphql‎

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type Friend {
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# The ID of an object
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id: ID!
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firstName: String
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lastName: String
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gender: String
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language: String
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email: String
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image: String
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}
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# A connection to a list of items.
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type FriendConnection {
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# Information to aid in pagination.
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pageInfo: PageInfo!
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# A list of edges.
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edges: [FriendEdge]
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}
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# An edge in a connection.
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type FriendEdge {
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# The item at the end of the edge
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node: Friend
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# A cursor for use in pagination
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cursor: String!
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}
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# An object with an ID
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interface Node {
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# The id of the object.
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id: ID!
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}
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# Information about pagination in a connection.
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type PageInfo {
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# When paginating forwards, are there more items?
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hasNextPage: Boolean!
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# When paginating backwards, are there more items?
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hasPreviousPage: Boolean!
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# When paginating backwards, the cursor to continue.
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startCursor: String
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# When paginating forwards, the cursor to continue.
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endCursor: String
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}
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type Query {
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# Fetches an object given its ID
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node(
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# The ID of an object
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id: ID!
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): Node
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viewer: User
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}
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type User {
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# The ID of an object
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id: ID!
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friends(after: String, first: Int, before: String, last: Int): FriendConnection
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}

‎data/schema.js‎

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import { GraphQLObjectType, GraphQLSchema, GraphQLString } from "graphql";
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import {
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connectionArgs,
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connectionDefinitions,
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connectionFromArray,
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fromGlobalId,
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globalIdField,
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nodeDefinitions,
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toGlobalId
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} from "graphql-relay";
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import {
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User,
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Friend,
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getFriend,
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getFriends,
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getUser,
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getViewer
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} from "./database";
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const { nodeInerface, nodeField } = nodeDefinitions(
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(globalId) => {
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const { type, id } = fromGlobalId(globalId);
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if (type === 'Friend') {
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return getFriend(id);
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} else if (type === 'User') {
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return getUser(id);
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}
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return null
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},
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(obj) => {
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if (obj instanceof Friend) {
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return GraphQLFriend;
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} else if (obj instanceof User) {
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return GraphQLUser;
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}
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return null;
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}
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)
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const GraphQLUser = new GraphQLObjectType({
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name: "User",
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fields: () => ({
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id: globalIdField("User"),
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friends: {
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type: friendsConnection,
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args: connectionArgs,
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resolve: (_, args) => connectionFromArray(getFriends(), args)
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}
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}),
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interface: [nodeInerface]
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});
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const GraphQLFriend = new GraphQLObjectType({
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name: "Friend",
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fields: () => ({
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id: globalIdField("Friend"),
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firstName: {
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type: GraphQLString
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},
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lastName: {
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type: GraphQLString
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},
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gender: {
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type: GraphQLString
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},
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language: {
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type: GraphQLString
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},
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email: {
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type: GraphQLString
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},
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image: {
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type: GraphQLString
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}
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}),
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interface: [nodeInerface],
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});
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const { connectionType: friendsConnection } =
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connectionDefinitions({ name: 'Friend', nodeType: GraphQLFriend });
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const Query = new GraphQLObjectType({
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name: 'Query',
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fields: () => ({
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node: nodeField,
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viewer: {
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type: GraphQLUser,
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resolve: ()=> getViewer(),
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},
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}),
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});
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export const schema = new GraphQLSchema({
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query: Query,
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});

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