GraphQL CRUD partial updates

makeRequired.js

/* @flow */

import { GraphQLNonNull } from 'graphql';

export default function makeRequired(partial?: boolean) {
  if (partial) {
    return (type: mixed) => type;
  }

  return (type: mixed) => new GraphQLNonNull(type);
}

widgetFields.js

/* @flow */

import { GraphQLString } from 'graphql';

import makeRequired from './makeRequired';

export default function widgetFields(partial?: boolean) {
  const required = makeRequired(partial);

  return {
    name: { type: required(GraphQLString) },
    description: { type: GraphQLString },
    color: { type: required(GraphQLString) },
  };
}