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node_modules/async/parallelLimit.js 1.39 KB
aaac7fed   liuqimichale   add
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  'use strict';
  
  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.default = parallelLimit;
  
  var _eachOfLimit = require('./internal/eachOfLimit');
  
  var _eachOfLimit2 = _interopRequireDefault(_eachOfLimit);
  
  var _parallel = require('./internal/parallel');
  
  var _parallel2 = _interopRequireDefault(_parallel);
  
  function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
  
  /**
   * The same as [`parallel`]{@link module:ControlFlow.parallel} but runs a maximum of `limit` async operations at a
   * time.
   *
   * @name parallelLimit
   * @static
   * @memberOf module:ControlFlow
   * @method
   * @see [async.parallel]{@link module:ControlFlow.parallel}
   * @category Control Flow
   * @param {Array|Iterable|Object} tasks - A collection of
   * [async functions]{@link AsyncFunction} to run.
   * Each async function can complete with any number of optional `result` values.
   * @param {number} limit - The maximum number of async operations at a time.
   * @param {Function} [callback] - An optional callback to run once all the
   * functions have completed successfully. This function gets a results array
   * (or object) containing all the result arguments passed to the task callbacks.
   * Invoked with (err, results).
   */
  function parallelLimit(tasks, limit, callback) {
    (0, _parallel2.default)((0, _eachOfLimit2.default)(limit), tasks, callback);
  }
  module.exports = exports['default'];