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Edit File: flatMapSeries.js

'use strict';

Object.defineProperty(exports, "__esModule", {
    value: true
});

var _concatLimit = require('./concatLimit.js');

var _concatLimit2 = _interopRequireDefault(_concatLimit);

var _awaitify = require('./internal/awaitify.js');

var _awaitify2 = _interopRequireDefault(_awaitify);

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * The same as [`concat`]{@link module:Collections.concat} but runs only a single async operation at a time.
 *
 * @name concatSeries
 * @static
 * @memberOf module:Collections
 * @method
 * @see [async.concat]{@link module:Collections.concat}
 * @category Collection
 * @alias flatMapSeries
 * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
 * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`.
 * The iteratee should complete with an array an array of results.
 * Invoked with (item, callback).
 * @param {Function} [callback] - A callback which is called after all the
 * `iteratee` functions have finished, or an error occurs. Results is an array
 * containing the concatenated results of the `iteratee` function. Invoked with
 * (err, results).
 * @returns A Promise, if no callback is passed
 */
function concatSeries(coll, iteratee, callback) {
    return (0, _concatLimit2.default)(coll, 1, iteratee, callback);
}
exports.default = (0, _awaitify2.default)(concatSeries, 3);
module.exports = exports.default;

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