wallet-core/node_modules/when/parallel.js
2016-10-10 03:43:44 +02:00

40 lines
1.0 KiB
JavaScript

/** @license MIT License (c) copyright 2011-2013 original author or authors */
/**
* parallel.js
*
* Run a set of task functions in parallel. All tasks will
* receive the same args
*
* @author Brian Cavalier
* @author John Hann
*/
(function(define) {
define(function(require) {
var when = require('./when');
var all = when.Promise.all;
var slice = Array.prototype.slice;
/**
* Run array of tasks in parallel
* @param tasks {Array|Promise} array or promiseForArray of task functions
* @param [args] {*} arguments to be passed to all tasks
* @return {Promise} promise for array containing the
* result of each task in the array position corresponding
* to position of the task in the tasks array
*/
return function parallel(tasks /*, args... */) {
return all(slice.call(arguments, 1)).then(function(args) {
return when.map(tasks, function(task) {
return task.apply(void 0, args);
});
});
};
});
})(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); });