graphql-file-example-multiparty.js

// src/modules/fileApi.ts
import * as  multiparty from 'multiparty'

let form = new multiparty.Form()

form.on('part', async function(part) {
    if (part.name !== 'data') {
        return
    }

    const name = part.filename
    const secret = uuid()
    const size = part.byteCount
    const contentType = mime.lookup(part.filename)

    try {
        // Upload to S3

        // Sync with Prisma

        return res.status(200).send(file)
    } catch (err) {
        console.log(err)
        return res.sendStatus(500)
    }
})

form.on('error', err => {
    console.log(err);
    return res.sendStatus(500)
})

form.parse(req)