GraphQL Getting Started Code Fragment 9

GraphQL9.js

const SkillLevel = new GraphQLObjectType({
  name: 'SkillLevel',
  description: 'Describes how well user knows certain skill.',
  fields: () => ({
    _id: { type: GraphQLString },
    level: {
      type: GraphQLInt,
      description: 'Actual skill level, ranked from 1 to 3'
    },
    favorite: { type: GraphQLBoolean },
    user: {
      type: User,
      description: 'Owner of the skill',
      resolve: (skillLevel) => {
        return USER.findOne({ _id: skillLevel.user });
      }
    },
    skill: {
      type: Skill,
      description: 'Rated skill',
      resolve: (skillLevel) => {
        return SKILL.findOne({ _id: skillLevel.skill });
      }
    }
  })
});