fastify-gql-upload

install

npm i fastify-gql-upload

usage

Plugin options should conform to https://github.com/jaydenseric/graphql-upload#type-processrequestoptions

1fastify.register(require('fastify-gql-upload'), {
2  // options passed to processRequest from graphql-upload
3})

example

1const GQL = require('fastify-gql')
2const { GraphQLUpload } = require('graphql-upload')
3const fs = require('fs')
4const util = require('util')
5const stream = require('stream')
6const path = require('path')
7
8const pipeline = util.promisify(stream.pipeline)
9const uploadsDir = path.resolve(__dirname, '../uploads')
10
11const schema = /* GraphQL */ `
12  scalar Upload
13
14  type Query {
15    add(x: Int, y: Int): Int
16  }
17
18  type Mutation {
19    uploadImage(image: Upload): Boolean
20  }
21`
22
23const resolvers = {
24  Upload: GraphQLUpload,
25  Query: {
26    add: async (_, { x, y }) => {
27      return x + y
28    }
29  },
30  Mutation: {
31    uploadImage: async (_, { image }) => {
32      const { filename, createReadStream } = await image
33      const rs = createReadStream()
34      const ws = fs.createWriteStream(path.join(uploadsDir, filename))
35      await pipeline(rs, ws)
36      return true
37    }
38  }
39}
40
41module.exports = function(fastify, options, done) {
42  fastify.register(require('fastify-gql-upload'))
43
44  fastify.register(GQL, {
45    schema,
46    resolvers,
47    graphiql: true
48  })
49
50  done()
51}