1  'use strict';
 2  
 3  Object.defineProperty(exports, "__esModule", {
 4    value: true
 5  });
 6  exports.default = parallelLimit;
 7  
 8  var _eachOfLimit = require('./internal/eachOfLimit');
 9  
10  var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
11  
12  var _parallel = require('./internal/parallel');
13  
14  var _parallel2 = _interopRequireDefault(_parallel);
15  
16  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
17  
18  /**
19   * The same as [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
20   * time.
21   *
22   * @name parallelLimit
23   * @static
24   * @memberOf module:ControlFlow
25   * @method
26   * @see [async.parallel]{@link module:ControlFlow.parallel}
27   * @category Control Flow
28   * @param {Array|Iterable|AsyncIterable|Object} tasks - A collection of
29   * [async functions]{@link AsyncFunction} to run.
30   * Each async function can complete with any number of optional `result` values.
31   * @param {number} limit - The maximum number of async operations at a time.
32   * @param {Function} [callback] - An optional callback to run once all the
33   * functions have completed successfully. This function gets a results array
34   * (or object) containing all the result arguments passed to the task callbacks.
35   * Invoked with (err, results).
36   * @returns {Promise} a promise, if a callback is not passed
37   */
38  function parallelLimit(tasks, limit, callback) {
39    return (0, _parallel2.default)((0, _eachOfLimit2.default)(limit), tasks, callback);
40  }
41  module.exports = exports['default'];