findLimit.js
 1  'use strict';
 2  
 3  Object.defineProperty(exports, "__esModule", {
 4    value: true
 5  });
 6  
 7  var _createTester = require('./internal/createTester');
 8  
 9  var _createTester2 = _interopRequireDefault(_createTester);
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 [`detect`]{@link module:Collections.detect} but runs a maximum of `limit` async operations at a
23   * time.
24   *
25   * @name detectLimit
26   * @static
27   * @memberOf module:Collections
28   * @method
29   * @see [async.detect]{@link module:Collections.detect}
30   * @alias findLimit
31   * @category Collections
32   * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
33   * @param {number} limit - The maximum number of async operations at a time.
34   * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
35   * The iteratee must complete with a boolean value as its result.
36   * Invoked with (item, callback).
37   * @param {Function} [callback] - A callback which is called as soon as any
38   * iteratee returns `true`, or after all the `iteratee` functions have finished.
39   * Result will be the first item in the array that passes the truth test
40   * (iteratee) or the value `undefined` if none passed. Invoked with
41   * (err, result).
42   * @returns a Promise if no callback is passed
43   */
44  function detectLimit(coll, limit, iteratee, callback) {
45    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
46  }
47  exports.default = (0, _awaitify2.default)(detectLimit, 4);
48  module.exports = exports['default'];