Ocelot-Social/backend/src/bootstrap/directives.js

import {
  GraphQLLowerCaseDirective,
  GraphQLTrimDirective,
  GraphQLDefaultToDirective,
} from 'graphql-custom-directives'

export default function applyDirectives(augmentedSchema) {
  const directives = [GraphQLLowerCaseDirective, GraphQLTrimDirective, GraphQLDefaultToDirective]
  augmentedSchema._directives.push.apply(augmentedSchema._directives, directives)

  return augmentedSchema
}