strapi/packages/plugins/graphql/server/services/builders/entity.js

'use strict';

const { objectType } = require('nexus');
const { prop } = require('lodash/fp');

const { utils } = require('../types');

/**
 * Build a higher level type for a content type which contains both the attributes, the ID and the metadata
 * @param {object} contentType The content type which will be used to build its entity type
 * @return {NexusObjectTypeDef}
 */
const buildEntityDefinition = contentType => {
  const name = utils.getEntityName(contentType);
  const typeName = utils.getTypeName(contentType);

  return objectType({
    name,

    definition(t) {
      // Keep the ID attribute at the top level
      t.id('id', { resolve: prop('id') });

      // Keep the fetched object into a dedicated `attributes` field
      t.field('attributes', {
        type: typeName,
        resolve: source => source,
      });

      // todo[v4]: add the meta field to the entity when there will be data in it (can't add an empty type for now)
      // t.field('meta', { type: utils.getEntityMetaName(contentType) });
    },
  });
};

module.exports = () => ({
  buildEntityDefinition,
});