Skip to content

Instantly share code, notes, and snippets.

@joeynimu
Last active May 3, 2019
Embed
What would you like to do?
Sample code for a graphql server
const { ApolloServer } = require('apollo-server');
const { generate } = require('shortid');
let data = [];
const typeDefs = `
type Query {
posts: [post]
post(id: String!): post
}
type post {
id: String
title: String
body: String
status: String
}
type Mutation {
addPost(title: String!, body: String!, status: String!): post
deletePost(id: String!): post
updatePost(id: String!, title: String, body: String, status: String): post
}
`;
const resolvers = {
Query: {
// READ
posts: () => data,
post: (parent, args) => data.find(post => post.id === args.id)
},
Mutation: {
// PUT
addPost: (_, { title, body, status }) => {
const newPost = {
id: generate(),
title,
body,
status
};
data = [...data, newPost];
return newPost;
},
// DELETE
deletePost: (_, { id }) => {
const deletedPost = data.find(post => post.id === id);
const newData = data.filter(post => post.id !== id);
data = newData;
return deletedPost;
},
// UPDATE
updatePost: (_, { id, title, body, status }) => {
const newData = data.map(post => {
if (post.id === id) {
post = {
...post,
title: title || post.title,
body: body || post.body,
status: status || post.status
};
return post;
}
return post;
});
data = newData;
return data.find(post => post.id === id);
}
}
};
const server = new ApolloServer({ typeDefs, resolvers });
server.listen().then(({ url }) => `server running at ${url}`).then(console.log);
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment