1  'use strict';
 2  
 3  Object.defineProperty(exports, "__esModule", {
 4    value: true
 5  });
 6  
 7  var _map2 = require('./internal/map');
 8  
 9  var _map3 = _interopRequireDefault(_map2);
10  
11  var _eachOfLimit = require('./internal/eachOfLimit');
12  
13  var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
14  
15  var _awaitify = require('./internal/awaitify');
16  
17  var _awaitify2 = _interopRequireDefault(_awaitify);
18  
19  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
20  
21  /**
22   * The same as [`map`]{@link module:Collections.map} but runs a maximum of `limit` async operations at a time.
23   *
24   * @name mapLimit
25   * @static
26   * @memberOf module:Collections
27   * @method
28   * @see [async.map]{@link module:Collections.map}
29   * @category Collection
30   * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
31   * @param {number} limit - The maximum number of async operations at a time.
32   * @param {AsyncFunction} iteratee - An async function to apply to each item in
33   * `coll`.
34   * The iteratee should complete with the transformed item.
35   * Invoked with (item, callback).
36   * @param {Function} [callback] - A callback which is called when all `iteratee`
37   * functions have finished, or an error occurs. Results is an array of the
38   * transformed items from the `coll`. Invoked with (err, results).
39   * @returns {Promise} a promise, if no callback is passed
40   */
41  function mapLimit(coll, limit, iteratee, callback) {
42    return (0, _map3.default)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
43  }
44  exports.default = (0, _awaitify2.default)(mapLimit, 4);
45  module.exports = exports['default'];