detectSeries.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 only a single async operation at a time.
23   *
24   * @name detectSeries
25   * @static
26   * @memberOf module:Collections
27   * @method
28   * @see [async.detect]{@link module:Collections.detect}
29   * @alias findSeries
30   * @category Collections
31   * @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
32   * @param {AsyncFunction} iteratee - A truth test to apply to each item in `coll`.
33   * The iteratee must complete with a boolean value as its result.
34   * Invoked with (item, callback).
35   * @param {Function} [callback] - A callback which is called as soon as any
36   * iteratee returns `true`, or after all the `iteratee` functions have finished.
37   * Result will be the first item in the array that passes the truth test
38   * (iteratee) or the value `undefined` if none passed. Invoked with
39   * (err, result).
40   * @returns a Promise if no callback is passed
41   */
42  function detectSeries(coll, iteratee, callback) {
43    return (0, _createTester2.default)(bool => bool, (res, item) => item)((0, _eachOfLimit2.default)(1), coll, iteratee, callback);
44  }
45  
46  exports.default = (0, _awaitify2.default)(detectSeries, 3);
47  module.exports = exports['default'];