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41 lines
1.5 KiB
JavaScript
41 lines
1.5 KiB
JavaScript
6 years ago
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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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exports.default = parallelLimit;
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var _eachOfLimit = require('./internal/eachOfLimit');
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var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
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var _parallel = require('./internal/parallel');
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var _parallel2 = _interopRequireDefault(_parallel);
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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 [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
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* time.
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*
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* @name parallelLimit
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* @static
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* @memberOf module:ControlFlow
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* @method
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* @see [async.parallel]{@link module:ControlFlow.parallel}
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* @category Control Flow
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* @param {Array|Iterable|AsyncIterable|Object} tasks - A collection of
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* [async functions]{@link AsyncFunction} to run.
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* Each async function can complete with any number of optional `result` values.
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* @param {number} limit - The maximum number of async operations at a time.
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* @param {Function} [callback] - An optional callback to run once all the
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* functions have completed successfully. This function gets a results array
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* (or object) containing all the result arguments passed to the task callbacks.
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* Invoked with (err, results).
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* @returns {Promise} a promise, if a callback is not passed
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*/
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function parallelLimit(tasks, limit, callback) {
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return (0, _parallel2.default)((0, _eachOfLimit2.default)(limit), tasks, callback);
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}
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module.exports = exports['default'];
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