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					65 lines
				
				2.1 KiB
			
		
		
			
		
	
	
					65 lines
				
				2.1 KiB
			| 
											3 years ago
										 | 'use strict'; | ||
|  | 
 | ||
|  | Object.defineProperty(exports, "__esModule", { | ||
|  |     value: true | ||
|  | }); | ||
|  | 
 | ||
|  | exports.default = function (coll, limit, iteratee, callback) { | ||
|  |     callback = callback || _noop2.default; | ||
|  |     var _iteratee = (0, _wrapAsync2.default)(iteratee); | ||
|  |     (0, _mapLimit2.default)(coll, limit, function (val, callback) { | ||
|  |         _iteratee(val, function (err /*, ...args*/) { | ||
|  |             if (err) return callback(err); | ||
|  |             return callback(null, (0, _slice2.default)(arguments, 1)); | ||
|  |         }); | ||
|  |     }, function (err, mapResults) { | ||
|  |         var result = []; | ||
|  |         for (var i = 0; i < mapResults.length; i++) { | ||
|  |             if (mapResults[i]) { | ||
|  |                 result = _concat.apply(result, mapResults[i]); | ||
|  |             } | ||
|  |         } | ||
|  | 
 | ||
|  |         return callback(err, result); | ||
|  |     }); | ||
|  | }; | ||
|  | 
 | ||
|  | var _noop = require('lodash/noop'); | ||
|  | 
 | ||
|  | var _noop2 = _interopRequireDefault(_noop); | ||
|  | 
 | ||
|  | var _wrapAsync = require('./internal/wrapAsync'); | ||
|  | 
 | ||
|  | var _wrapAsync2 = _interopRequireDefault(_wrapAsync); | ||
|  | 
 | ||
|  | var _slice = require('./internal/slice'); | ||
|  | 
 | ||
|  | var _slice2 = _interopRequireDefault(_slice); | ||
|  | 
 | ||
|  | var _mapLimit = require('./mapLimit'); | ||
|  | 
 | ||
|  | var _mapLimit2 = _interopRequireDefault(_mapLimit); | ||
|  | 
 | ||
|  | function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; } | ||
|  | 
 | ||
|  | var _concat = Array.prototype.concat; | ||
|  | 
 | ||
|  | /** | ||
|  |  * The same as [`concat`]{@link module:Collections.concat} but runs a maximum of `limit` async operations at a time. | ||
|  |  * | ||
|  |  * @name concatLimit | ||
|  |  * @static | ||
|  |  * @memberOf module:Collections | ||
|  |  * @method | ||
|  |  * @see [async.concat]{@link module:Collections.concat} | ||
|  |  * @category Collection | ||
|  |  * @param {Array|Iterable|Object} coll - A collection to iterate over. | ||
|  |  * @param {number} limit - The maximum number of async operations at a time. | ||
|  |  * @param {AsyncFunction} iteratee - A function to apply to each item in `coll`, | ||
|  |  * which should use an array as its result. 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). | ||
|  |  */ | ||
|  | module.exports = exports['default']; |