bugcore
Version:
bugcore is a JavaScript library that provides a foundational architecture for object oriented JS
131 lines (106 loc) • 4.59 kB
JavaScript
/*
* Copyright (c) 2016 airbug Inc. http://airbug.com
*
* bugcore may be freely distributed under the MIT license.
*/
//-------------------------------------------------------------------------------
// Annotations
//-------------------------------------------------------------------------------
//@Export('RaceResolver')
//@Require('Class')
//@Require('IIterable')
//@Require('RaceValuesResolver')
//@Require('Resolver')
//@Require('Throwables')
//@Require('TypeUtil')
//-------------------------------------------------------------------------------
// Context
//-------------------------------------------------------------------------------
require('bugpack').context("*", function(bugpack) {
//-------------------------------------------------------------------------------
// BugPack
//-------------------------------------------------------------------------------
var Class = bugpack.require('Class');
var IIterable = bugpack.require('IIterable');
var RaceValuesResolver = bugpack.require('RaceValuesResolver');
var Resolver = bugpack.require('Resolver');
var Throwables = bugpack.require('Throwables');
var TypeUtil = bugpack.require('TypeUtil');
//-------------------------------------------------------------------------------
// Declare Class
//-------------------------------------------------------------------------------
/**
* @class
* @extends {Resolver}
*/
var RaceResolver = Class.extend(Resolver, {
_name: "RaceResolver",
//-------------------------------------------------------------------------------
// Resolver Methods
//-------------------------------------------------------------------------------
/**
* @protected
* @param {function(Array<*>)} fulfilledCallback
* @param {function(Array<*>)} rejectedCallback
*/
doResolve: function(fulfilledCallback, rejectedCallback) {
this.resolveIterables(fulfilledCallback, rejectedCallback);
},
//-------------------------------------------------------------------------------
// Private Methods
//-------------------------------------------------------------------------------
/**
* @private
* @param {function(Array<*>)} fulfilledCallback
* @param {function(Array<*>)} rejectedCallback
*/
resolveIterables: function(fulfilledCallback, rejectedCallback) {
var _this = this;
if (this.getValues().getCount() > 0) {
this.getValues().forEach(function(iterable, index) {
_this.raceResolveIterable(iterable, function(values) {
if (!_this.resolved) {
_this.resolved = true;
fulfilledCallback(values);
}
}, function(reasons) {
if (!_this.resolved) {
_this.resolved = true;
rejectedCallback(reasons);
}
});
});
} else {
this.tryResolving(fulfilledCallback, rejectedCallback);
}
},
/**
* @private
* @param {(Array<*> | IIterable<*>)} iterable
* @param {function(Array<*>)} fulfilledCallback
* @param {function(Array<*>)} rejectedCallback
*/
raceResolveIterable: function(iterable, fulfilledCallback, rejectedCallback) {
try {
this.validateIterable(iterable);
var raceValuesResolver = new RaceValuesResolver(this.getIllegalValues(), iterable);
raceValuesResolver.resolve(fulfilledCallback, rejectedCallback);
} catch(error) {
rejectedCallback([error]);
}
},
/**
* @private
* @param iterable
*/
validateIterable: function(iterable) {
if (!TypeUtil.isArray(iterable) && !Class.doesImplement(iterable, IIterable)) {
throw Throwables.bug('TypeError', {}, 'Expecting an array or an iterable object but got ' + iterable);
}
}
});
//-------------------------------------------------------------------------------
// Exports
//-------------------------------------------------------------------------------
bugpack.export('RaceResolver', RaceResolver);
});