45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _map2 = require('./internal/map.js');
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var _map3 = _interopRequireDefault(_map2);
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var _eachOfLimit = require('./internal/eachOfLimit.js');
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var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
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var _awaitify = require('./internal/awaitify.js');
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var _awaitify2 = _interopRequireDefault(_awaitify);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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/**
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* The same as [`map`]{@link module:Collections.map} but runs a maximum of `limit` async operations at a time.
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*
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* @name mapLimit
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* @static
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* @memberOf module:Collections
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* @method
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* @see [async.map]{@link module:Collections.map}
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* @category Collection
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* @param {Array|Iterable|AsyncIterable|Object} coll - A collection to iterate over.
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* @param {number} limit - The maximum number of async operations at a time.
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* @param {AsyncFunction} iteratee - An async function to apply to each item in
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* `coll`.
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* The iteratee should complete with the transformed item.
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* Invoked with (item, callback).
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* @param {Function} [callback] - A callback which is called when all `iteratee`
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* functions have finished, or an error occurs. Results is an array of the
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* transformed items from the `coll`. Invoked with (err, results).
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* @returns {Promise} a promise, if no callback is passed
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*/
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function mapLimit(coll, limit, iteratee, callback) {
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return (0, _map3.default)((0, _eachOfLimit2.default)(limit), coll, iteratee, callback);
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}
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exports.default = (0, _awaitify2.default)(mapLimit, 4);
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module.exports = exports['default'];
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