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/** @license MIT License (c) copyright 2011-2013 original author or authors */
/**
* sequence.js
*
* Run a set of task functions in sequence. 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 sequence with no overlap
* @param tasks {Array|Promise} array or promiseForArray of task functions
* @param [args] {*} arguments to be passed to all tasks
* @return {Promise} promise for an array containing
* the result of each task in the array position corresponding
* to position of the task in the tasks array
*/
return function sequence(tasks /*, args... */) {
var results = [];
return all(slice.call(arguments, 1)).then(function(args) {
return when.reduce(tasks, function(results, task) {
return when(task.apply(void 0, args), addResult);
}, results);
});
function addResult(result) {
results.push(result);
return results;
}
};
});
})(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); });
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