'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'];
|
