name : groupBySeries.js 'use strict'; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = groupBySeries; var _groupByLimit = require('./groupByLimit.js'); var _groupByLimit2 = _interopRequireDefault(_groupByLimit); function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } /** * The same as [`groupBy`]{@link module:Collections.groupBy} but runs only a single async operation at a time. * * @name groupBySeries * @static * @memberOf module:Collections * @method * @see [async.groupBy]{@link module:Collections.groupBy} * @category Collection * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over. * @param {AsyncFunction} iteratee - An async function to apply to each item in * `coll`. * The iteratee should complete with a `key` to group the value under. * Invoked with (value, callback). * @param {Function} [callback] - A callback which is called when all `iteratee` * functions have finished, or an error occurs. Result is an `Object` whose * properties are arrays of values which returned the corresponding key. * @returns {Promise} a promise, if no callback is passed */ function groupBySeries(coll, iteratee, callback) { return (0, _groupByLimit2.default)(coll, 1, iteratee, callback); } module.exports = exports.default;