ichigoo/lib/graphql/introspection/getValuesFromEntities.js

Static site generator with React and GraphQL

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = void 0;

/**
 * Gets a list of values indexed by field based on a list of entities
 * 
 * @example
 * const entities = [
 *     {
 *         id: 1,
 *         title: "Lorem Ipsum",
 *         views: 254,
 *         user_id: 123,
 *     },
 *     {
 *         id: 2,
 *         title: "Sic Dolor amet",
 *         views: 65,
 *         user_id: 456,
 *     },
 * ];
 * getValuesFromEntities(entities);
 * // {
 * //    id: [1, 2],
 * //    title: ["Lorem Ipsum", "Sic Dolor amet"],
 * //    views: [254, 65],
 * //    user_id: [123, 456],
 * // }
 */
var _default = function _default(entities) {
  return entities.reduce(function (values, entity) {
    Object.keys(entity).forEach(function (fieldName) {
      if (!values[fieldName]) {
        values[fieldName] = [];
      }

      if (entity[fieldName] != null) {
        values[fieldName].push(entity[fieldName]);
      }
    });
    return values;
  }, {});
};

exports["default"] = _default;