How to get an array of requested field names from graphQL query

gistfile1.txt

import { simplifyAST } from 'graphql-sequelize'

const parseFields = (ast) => {
  let s = simplifyAST(ast[0])
  return Object.keys(s.fields)
}

// and then in use:
accounts: {
  type: new GraphQLList(accountType),
  description: 'Accounts belonging to this user',
  resolve: (user, _, { rootValue, fieldASTs }) => rootValue.actions.getAccountsForUser(user.id, parseFields(fieldASTs))
},