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; | |
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']; |