graphql-directive-id

Usage

import {createIdDirective} from 'graphql-directive-id'
import { makeExecutableSchema  } from '@graphql-tools/schema'
import { printSchemaWithDirectives } from '@graphql-tools/utils'

let schema = makeExecutableSchema({
  typeDefs: [
    idDirectiveTypeDefs,
    `
      type Query {
        people: [Person]
        locations: [Location]
      }
 
      type Person @id(from: ["personID"]) {
        personID: Int
        name: String
      }
 
      type Location @id(name: "uid", from: ["locationID"]) {
        locationID: Int
        address: String
      }
    `
  ],
  resolvers: {
    Query: {
      people: () => [
        {
          personID: 1,
          name: 'Ben'
        }
      ],
      locations: () => [
        {
          locationID: 1,
          address: '104 10th St'
        }
      ]
    }
  }
})
schema = idDirectiveTransformer(schema)

console.log(printSchemaWithDirectives(schema))

Transformed schema:

schema {
  query: Query
}

directive @id(name: String, from: [String]) on OBJECT

type Query {
  people: [Person]
  locations: [Location]
}

type Person @id(from: ["personID"]) {
  personID: Int
  name: String
  """Unique ID"""
  id: ID
}

type Location @id(name: "uid", from: ["locationID"]) {
  locationID: Int
  address: String
  """Unique ID"""
  uid: ID
}