2864 lines
80 KiB
JavaScript
2864 lines
80 KiB
JavaScript
!function(e){"object"==typeof exports?module.exports=e():"function"==typeof define&&define.amd?define(e):"undefined"!=typeof window?window.Promise=e():"undefined"!=typeof global?global.Promise=e():"undefined"!=typeof self&&(self.Promise=e())}(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);throw new Error("Cannot find module '"+o+"'")}var f=n[o]={exports:{}};t[o][0].call(f.exports,function(e){var n=t[o][1][e];return s(n?n:e)},f,f.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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/**
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* ES6 global Promise shim
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*/
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var unhandledRejections = require('../lib/decorators/unhandledRejection');
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var PromiseConstructor = unhandledRejections(require('../lib/Promise'));
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module.exports = typeof global != 'undefined' ? (global.Promise = PromiseConstructor)
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: typeof self != 'undefined' ? (self.Promise = PromiseConstructor)
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: PromiseConstructor;
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},{"../lib/Promise":2,"../lib/decorators/unhandledRejection":4}],2:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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(function(define) { 'use strict';
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define(function (require) {
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var makePromise = require('./makePromise');
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var Scheduler = require('./Scheduler');
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var async = require('./env').asap;
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return makePromise({
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scheduler: new Scheduler(async)
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});
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});
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})(typeof define === 'function' && define.amd ? define : function (factory) { module.exports = factory(require); });
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},{"./Scheduler":3,"./env":5,"./makePromise":7}],3:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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(function(define) { 'use strict';
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define(function() {
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// Credit to Twisol (https://github.com/Twisol) for suggesting
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// this type of extensible queue + trampoline approach for next-tick conflation.
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/**
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* Async task scheduler
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* @param {function} async function to schedule a single async function
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* @constructor
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*/
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function Scheduler(async) {
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this._async = async;
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this._running = false;
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this._queue = this;
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this._queueLen = 0;
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this._afterQueue = {};
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this._afterQueueLen = 0;
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var self = this;
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this.drain = function() {
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self._drain();
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};
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}
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/**
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* Enqueue a task
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* @param {{ run:function }} task
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*/
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Scheduler.prototype.enqueue = function(task) {
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this._queue[this._queueLen++] = task;
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this.run();
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};
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/**
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* Enqueue a task to run after the main task queue
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* @param {{ run:function }} task
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*/
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Scheduler.prototype.afterQueue = function(task) {
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this._afterQueue[this._afterQueueLen++] = task;
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this.run();
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};
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Scheduler.prototype.run = function() {
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if (!this._running) {
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this._running = true;
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this._async(this.drain);
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}
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};
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/**
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* Drain the handler queue entirely, and then the after queue
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*/
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Scheduler.prototype._drain = function() {
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var i = 0;
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for (; i < this._queueLen; ++i) {
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this._queue[i].run();
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this._queue[i] = void 0;
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}
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this._queueLen = 0;
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this._running = false;
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for (i = 0; i < this._afterQueueLen; ++i) {
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this._afterQueue[i].run();
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this._afterQueue[i] = void 0;
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}
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this._afterQueueLen = 0;
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};
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return Scheduler;
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});
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}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));
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},{}],4:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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(function(define) { 'use strict';
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define(function(require) {
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var setTimer = require('../env').setTimer;
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var format = require('../format');
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return function unhandledRejection(Promise) {
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var logError = noop;
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var logInfo = noop;
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var localConsole;
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if(typeof console !== 'undefined') {
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// Alias console to prevent things like uglify's drop_console option from
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// removing console.log/error. Unhandled rejections fall into the same
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// category as uncaught exceptions, and build tools shouldn't silence them.
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localConsole = console;
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logError = typeof localConsole.error !== 'undefined'
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? function (e) { localConsole.error(e); }
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: function (e) { localConsole.log(e); };
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logInfo = typeof localConsole.info !== 'undefined'
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? function (e) { localConsole.info(e); }
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: function (e) { localConsole.log(e); };
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}
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Promise.onPotentiallyUnhandledRejection = function(rejection) {
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enqueue(report, rejection);
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};
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Promise.onPotentiallyUnhandledRejectionHandled = function(rejection) {
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enqueue(unreport, rejection);
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};
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Promise.onFatalRejection = function(rejection) {
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enqueue(throwit, rejection.value);
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};
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var tasks = [];
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var reported = [];
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var running = null;
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function report(r) {
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if(!r.handled) {
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reported.push(r);
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logError('Potentially unhandled rejection [' + r.id + '] ' + format.formatError(r.value));
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}
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}
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function unreport(r) {
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var i = reported.indexOf(r);
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if(i >= 0) {
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reported.splice(i, 1);
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logInfo('Handled previous rejection [' + r.id + '] ' + format.formatObject(r.value));
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}
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}
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function enqueue(f, x) {
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tasks.push(f, x);
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if(running === null) {
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running = setTimer(flush, 0);
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}
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}
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function flush() {
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running = null;
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while(tasks.length > 0) {
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tasks.shift()(tasks.shift());
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}
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}
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return Promise;
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};
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function throwit(e) {
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throw e;
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}
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function noop() {}
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});
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}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(require); }));
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},{"../env":5,"../format":6}],5:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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/*global process,document,setTimeout,clearTimeout,MutationObserver,WebKitMutationObserver*/
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(function(define) { 'use strict';
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define(function(require) {
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/*jshint maxcomplexity:6*/
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// Sniff "best" async scheduling option
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// Prefer process.nextTick or MutationObserver, then check for
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// setTimeout, and finally vertx, since its the only env that doesn't
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// have setTimeout
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var MutationObs;
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var capturedSetTimeout = typeof setTimeout !== 'undefined' && setTimeout;
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// Default env
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var setTimer = function(f, ms) { return setTimeout(f, ms); };
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var clearTimer = function(t) { return clearTimeout(t); };
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var asap = function (f) { return capturedSetTimeout(f, 0); };
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// Detect specific env
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if (isNode()) { // Node
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asap = function (f) { return process.nextTick(f); };
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} else if (MutationObs = hasMutationObserver()) { // Modern browser
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asap = initMutationObserver(MutationObs);
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} else if (!capturedSetTimeout) { // vert.x
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var vertxRequire = require;
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var vertx = vertxRequire('vertx');
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setTimer = function (f, ms) { return vertx.setTimer(ms, f); };
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clearTimer = vertx.cancelTimer;
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asap = vertx.runOnLoop || vertx.runOnContext;
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}
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return {
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setTimer: setTimer,
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clearTimer: clearTimer,
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asap: asap
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};
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function isNode () {
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return typeof process !== 'undefined' && process !== null &&
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typeof process.nextTick === 'function';
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}
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function hasMutationObserver () {
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return (typeof MutationObserver === 'function' && MutationObserver) ||
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(typeof WebKitMutationObserver === 'function' && WebKitMutationObserver);
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}
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function initMutationObserver(MutationObserver) {
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var scheduled;
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var node = document.createTextNode('');
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var o = new MutationObserver(run);
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o.observe(node, { characterData: true });
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function run() {
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var f = scheduled;
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scheduled = void 0;
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f();
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}
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var i = 0;
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return function (f) {
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scheduled = f;
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node.data = (i ^= 1);
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};
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}
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});
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}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(require); }));
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},{}],6:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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(function(define) { 'use strict';
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define(function() {
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return {
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formatError: formatError,
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formatObject: formatObject,
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tryStringify: tryStringify
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};
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/**
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* Format an error into a string. If e is an Error and has a stack property,
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* it's returned. Otherwise, e is formatted using formatObject, with a
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* warning added about e not being a proper Error.
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* @param {*} e
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* @returns {String} formatted string, suitable for output to developers
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*/
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function formatError(e) {
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var s = typeof e === 'object' && e !== null && e.stack ? e.stack : formatObject(e);
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return e instanceof Error ? s : s + ' (WARNING: non-Error used)';
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}
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/**
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* Format an object, detecting "plain" objects and running them through
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* JSON.stringify if possible.
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* @param {Object} o
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* @returns {string}
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*/
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function formatObject(o) {
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var s = String(o);
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if(s === '[object Object]' && typeof JSON !== 'undefined') {
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s = tryStringify(o, s);
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}
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return s;
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}
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/**
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* Try to return the result of JSON.stringify(x). If that fails, return
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* defaultValue
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* @param {*} x
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* @param {*} defaultValue
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* @returns {String|*} JSON.stringify(x) or defaultValue
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*/
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function tryStringify(x, defaultValue) {
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try {
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return JSON.stringify(x);
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} catch(e) {
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return defaultValue;
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}
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}
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});
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}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));
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},{}],7:[function(require,module,exports){
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/** @license MIT License (c) copyright 2010-2014 original author or authors */
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/** @author Brian Cavalier */
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/** @author John Hann */
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(function(define) { 'use strict';
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define(function() {
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return function makePromise(environment) {
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var tasks = environment.scheduler;
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var emitRejection = initEmitRejection();
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var objectCreate = Object.create ||
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function(proto) {
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function Child() {}
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Child.prototype = proto;
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return new Child();
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};
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/**
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* Create a promise whose fate is determined by resolver
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* @constructor
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* @returns {Promise} promise
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* @name Promise
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*/
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function Promise(resolver, handler) {
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this._handler = resolver === Handler ? handler : init(resolver);
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}
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/**
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* Run the supplied resolver
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* @param resolver
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* @returns {Pending}
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*/
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function init(resolver) {
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var handler = new Pending();
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try {
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resolver(promiseResolve, promiseReject, promiseNotify);
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} catch (e) {
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promiseReject(e);
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}
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return handler;
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/**
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* Transition from pre-resolution state to post-resolution state, notifying
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* all listeners of the ultimate fulfillment or rejection
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* @param {*} x resolution value
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*/
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function promiseResolve (x) {
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handler.resolve(x);
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}
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/**
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* Reject this promise with reason, which will be used verbatim
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* @param {Error|*} reason rejection reason, strongly suggested
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* to be an Error type
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*/
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function promiseReject (reason) {
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handler.reject(reason);
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}
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|
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/**
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* @deprecated
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* Issue a progress event, notifying all progress listeners
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* @param {*} x progress event payload to pass to all listeners
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*/
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function promiseNotify (x) {
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handler.notify(x);
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}
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}
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// Creation
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Promise.resolve = resolve;
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Promise.reject = reject;
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Promise.never = never;
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Promise._defer = defer;
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Promise._handler = getHandler;
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/**
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* Returns a trusted promise. If x is already a trusted promise, it is
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* returned, otherwise returns a new trusted Promise which follows x.
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* @param {*} x
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* @return {Promise} promise
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*/
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function resolve(x) {
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return isPromise(x) ? x
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: new Promise(Handler, new Async(getHandler(x)));
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}
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|
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/**
|
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* Return a reject promise with x as its reason (x is used verbatim)
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* @param {*} x
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* @returns {Promise} rejected promise
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*/
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function reject(x) {
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return new Promise(Handler, new Async(new Rejected(x)));
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}
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|
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/**
|
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* Return a promise that remains pending forever
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* @returns {Promise} forever-pending promise.
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*/
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function never() {
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return foreverPendingPromise; // Should be frozen
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}
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|
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/**
|
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* Creates an internal {promise, resolver} pair
|
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* @private
|
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* @returns {Promise}
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*/
|
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function defer() {
|
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return new Promise(Handler, new Pending());
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}
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|
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// Transformation and flow control
|
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|
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/**
|
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* Transform this promise's fulfillment value, returning a new Promise
|
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* for the transformed result. If the promise cannot be fulfilled, onRejected
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* is called with the reason. onProgress *may* be called with updates toward
|
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* this promise's fulfillment.
|
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* @param {function=} onFulfilled fulfillment handler
|
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* @param {function=} onRejected rejection handler
|
|
* @param {function=} onProgress @deprecated progress handler
|
|
* @return {Promise} new promise
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*/
|
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Promise.prototype.then = function(onFulfilled, onRejected, onProgress) {
|
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var parent = this._handler;
|
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var state = parent.join().state();
|
|
|
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if ((typeof onFulfilled !== 'function' && state > 0) ||
|
|
(typeof onRejected !== 'function' && state < 0)) {
|
|
// Short circuit: value will not change, simply share handler
|
|
return new this.constructor(Handler, parent);
|
|
}
|
|
|
|
var p = this._beget();
|
|
var child = p._handler;
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|
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parent.chain(child, parent.receiver, onFulfilled, onRejected, onProgress);
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|
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return p;
|
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};
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|
|
/**
|
|
* If this promise cannot be fulfilled due to an error, call onRejected to
|
|
* handle the error. Shortcut for .then(undefined, onRejected)
|
|
* @param {function?} onRejected
|
|
* @return {Promise}
|
|
*/
|
|
Promise.prototype['catch'] = function(onRejected) {
|
|
return this.then(void 0, onRejected);
|
|
};
|
|
|
|
/**
|
|
* Creates a new, pending promise of the same type as this promise
|
|
* @private
|
|
* @returns {Promise}
|
|
*/
|
|
Promise.prototype._beget = function() {
|
|
return begetFrom(this._handler, this.constructor);
|
|
};
|
|
|
|
function begetFrom(parent, Promise) {
|
|
var child = new Pending(parent.receiver, parent.join().context);
|
|
return new Promise(Handler, child);
|
|
}
|
|
|
|
// Array combinators
|
|
|
|
Promise.all = all;
|
|
Promise.race = race;
|
|
Promise._traverse = traverse;
|
|
|
|
/**
|
|
* Return a promise that will fulfill when all promises in the
|
|
* input array have fulfilled, or will reject when one of the
|
|
* promises rejects.
|
|
* @param {array} promises array of promises
|
|
* @returns {Promise} promise for array of fulfillment values
|
|
*/
|
|
function all(promises) {
|
|
return traverseWith(snd, null, promises);
|
|
}
|
|
|
|
/**
|
|
* Array<Promise<X>> -> Promise<Array<f(X)>>
|
|
* @private
|
|
* @param {function} f function to apply to each promise's value
|
|
* @param {Array} promises array of promises
|
|
* @returns {Promise} promise for transformed values
|
|
*/
|
|
function traverse(f, promises) {
|
|
return traverseWith(tryCatch2, f, promises);
|
|
}
|
|
|
|
function traverseWith(tryMap, f, promises) {
|
|
var handler = typeof f === 'function' ? mapAt : settleAt;
|
|
|
|
var resolver = new Pending();
|
|
var pending = promises.length >>> 0;
|
|
var results = new Array(pending);
|
|
|
|
for (var i = 0, x; i < promises.length && !resolver.resolved; ++i) {
|
|
x = promises[i];
|
|
|
|
if (x === void 0 && !(i in promises)) {
|
|
--pending;
|
|
continue;
|
|
}
|
|
|
|
traverseAt(promises, handler, i, x, resolver);
|
|
}
|
|
|
|
if(pending === 0) {
|
|
resolver.become(new Fulfilled(results));
|
|
}
|
|
|
|
return new Promise(Handler, resolver);
|
|
|
|
function mapAt(i, x, resolver) {
|
|
if(!resolver.resolved) {
|
|
traverseAt(promises, settleAt, i, tryMap(f, x, i), resolver);
|
|
}
|
|
}
|
|
|
|
function settleAt(i, x, resolver) {
|
|
results[i] = x;
|
|
if(--pending === 0) {
|
|
resolver.become(new Fulfilled(results));
|
|
}
|
|
}
|
|
}
|
|
|
|
function traverseAt(promises, handler, i, x, resolver) {
|
|
if (maybeThenable(x)) {
|
|
var h = getHandlerMaybeThenable(x);
|
|
var s = h.state();
|
|
|
|
if (s === 0) {
|
|
h.fold(handler, i, void 0, resolver);
|
|
} else if (s > 0) {
|
|
handler(i, h.value, resolver);
|
|
} else {
|
|
resolver.become(h);
|
|
visitRemaining(promises, i+1, h);
|
|
}
|
|
} else {
|
|
handler(i, x, resolver);
|
|
}
|
|
}
|
|
|
|
Promise._visitRemaining = visitRemaining;
|
|
function visitRemaining(promises, start, handler) {
|
|
for(var i=start; i<promises.length; ++i) {
|
|
markAsHandled(getHandler(promises[i]), handler);
|
|
}
|
|
}
|
|
|
|
function markAsHandled(h, handler) {
|
|
if(h === handler) {
|
|
return;
|
|
}
|
|
|
|
var s = h.state();
|
|
if(s === 0) {
|
|
h.visit(h, void 0, h._unreport);
|
|
} else if(s < 0) {
|
|
h._unreport();
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fulfill-reject competitive race. Return a promise that will settle
|
|
* to the same state as the earliest input promise to settle.
|
|
*
|
|
* WARNING: The ES6 Promise spec requires that race()ing an empty array
|
|
* must return a promise that is pending forever. This implementation
|
|
* returns a singleton forever-pending promise, the same singleton that is
|
|
* returned by Promise.never(), thus can be checked with ===
|
|
*
|
|
* @param {array} promises array of promises to race
|
|
* @returns {Promise} if input is non-empty, a promise that will settle
|
|
* to the same outcome as the earliest input promise to settle. if empty
|
|
* is empty, returns a promise that will never settle.
|
|
*/
|
|
function race(promises) {
|
|
if(typeof promises !== 'object' || promises === null) {
|
|
return reject(new TypeError('non-iterable passed to race()'));
|
|
}
|
|
|
|
// Sigh, race([]) is untestable unless we return *something*
|
|
// that is recognizable without calling .then() on it.
|
|
return promises.length === 0 ? never()
|
|
: promises.length === 1 ? resolve(promises[0])
|
|
: runRace(promises);
|
|
}
|
|
|
|
function runRace(promises) {
|
|
var resolver = new Pending();
|
|
var i, x, h;
|
|
for(i=0; i<promises.length; ++i) {
|
|
x = promises[i];
|
|
if (x === void 0 && !(i in promises)) {
|
|
continue;
|
|
}
|
|
|
|
h = getHandler(x);
|
|
if(h.state() !== 0) {
|
|
resolver.become(h);
|
|
visitRemaining(promises, i+1, h);
|
|
break;
|
|
} else {
|
|
h.visit(resolver, resolver.resolve, resolver.reject);
|
|
}
|
|
}
|
|
return new Promise(Handler, resolver);
|
|
}
|
|
|
|
// Promise internals
|
|
// Below this, everything is @private
|
|
|
|
/**
|
|
* Get an appropriate handler for x, without checking for cycles
|
|
* @param {*} x
|
|
* @returns {object} handler
|
|
*/
|
|
function getHandler(x) {
|
|
if(isPromise(x)) {
|
|
return x._handler.join();
|
|
}
|
|
return maybeThenable(x) ? getHandlerUntrusted(x) : new Fulfilled(x);
|
|
}
|
|
|
|
/**
|
|
* Get a handler for thenable x.
|
|
* NOTE: You must only call this if maybeThenable(x) == true
|
|
* @param {object|function|Promise} x
|
|
* @returns {object} handler
|
|
*/
|
|
function getHandlerMaybeThenable(x) {
|
|
return isPromise(x) ? x._handler.join() : getHandlerUntrusted(x);
|
|
}
|
|
|
|
/**
|
|
* Get a handler for potentially untrusted thenable x
|
|
* @param {*} x
|
|
* @returns {object} handler
|
|
*/
|
|
function getHandlerUntrusted(x) {
|
|
try {
|
|
var untrustedThen = x.then;
|
|
return typeof untrustedThen === 'function'
|
|
? new Thenable(untrustedThen, x)
|
|
: new Fulfilled(x);
|
|
} catch(e) {
|
|
return new Rejected(e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Handler for a promise that is pending forever
|
|
* @constructor
|
|
*/
|
|
function Handler() {}
|
|
|
|
Handler.prototype.when
|
|
= Handler.prototype.become
|
|
= Handler.prototype.notify // deprecated
|
|
= Handler.prototype.fail
|
|
= Handler.prototype._unreport
|
|
= Handler.prototype._report
|
|
= noop;
|
|
|
|
Handler.prototype._state = 0;
|
|
|
|
Handler.prototype.state = function() {
|
|
return this._state;
|
|
};
|
|
|
|
/**
|
|
* Recursively collapse handler chain to find the handler
|
|
* nearest to the fully resolved value.
|
|
* @returns {object} handler nearest the fully resolved value
|
|
*/
|
|
Handler.prototype.join = function() {
|
|
var h = this;
|
|
while(h.handler !== void 0) {
|
|
h = h.handler;
|
|
}
|
|
return h;
|
|
};
|
|
|
|
Handler.prototype.chain = function(to, receiver, fulfilled, rejected, progress) {
|
|
this.when({
|
|
resolver: to,
|
|
receiver: receiver,
|
|
fulfilled: fulfilled,
|
|
rejected: rejected,
|
|
progress: progress
|
|
});
|
|
};
|
|
|
|
Handler.prototype.visit = function(receiver, fulfilled, rejected, progress) {
|
|
this.chain(failIfRejected, receiver, fulfilled, rejected, progress);
|
|
};
|
|
|
|
Handler.prototype.fold = function(f, z, c, to) {
|
|
this.when(new Fold(f, z, c, to));
|
|
};
|
|
|
|
/**
|
|
* Handler that invokes fail() on any handler it becomes
|
|
* @constructor
|
|
*/
|
|
function FailIfRejected() {}
|
|
|
|
inherit(Handler, FailIfRejected);
|
|
|
|
FailIfRejected.prototype.become = function(h) {
|
|
h.fail();
|
|
};
|
|
|
|
var failIfRejected = new FailIfRejected();
|
|
|
|
/**
|
|
* Handler that manages a queue of consumers waiting on a pending promise
|
|
* @constructor
|
|
*/
|
|
function Pending(receiver, inheritedContext) {
|
|
Promise.createContext(this, inheritedContext);
|
|
|
|
this.consumers = void 0;
|
|
this.receiver = receiver;
|
|
this.handler = void 0;
|
|
this.resolved = false;
|
|
}
|
|
|
|
inherit(Handler, Pending);
|
|
|
|
Pending.prototype._state = 0;
|
|
|
|
Pending.prototype.resolve = function(x) {
|
|
this.become(getHandler(x));
|
|
};
|
|
|
|
Pending.prototype.reject = function(x) {
|
|
if(this.resolved) {
|
|
return;
|
|
}
|
|
|
|
this.become(new Rejected(x));
|
|
};
|
|
|
|
Pending.prototype.join = function() {
|
|
if (!this.resolved) {
|
|
return this;
|
|
}
|
|
|
|
var h = this;
|
|
|
|
while (h.handler !== void 0) {
|
|
h = h.handler;
|
|
if (h === this) {
|
|
return this.handler = cycle();
|
|
}
|
|
}
|
|
|
|
return h;
|
|
};
|
|
|
|
Pending.prototype.run = function() {
|
|
var q = this.consumers;
|
|
var handler = this.handler;
|
|
this.handler = this.handler.join();
|
|
this.consumers = void 0;
|
|
|
|
for (var i = 0; i < q.length; ++i) {
|
|
handler.when(q[i]);
|
|
}
|
|
};
|
|
|
|
Pending.prototype.become = function(handler) {
|
|
if(this.resolved) {
|
|
return;
|
|
}
|
|
|
|
this.resolved = true;
|
|
this.handler = handler;
|
|
if(this.consumers !== void 0) {
|
|
tasks.enqueue(this);
|
|
}
|
|
|
|
if(this.context !== void 0) {
|
|
handler._report(this.context);
|
|
}
|
|
};
|
|
|
|
Pending.prototype.when = function(continuation) {
|
|
if(this.resolved) {
|
|
tasks.enqueue(new ContinuationTask(continuation, this.handler));
|
|
} else {
|
|
if(this.consumers === void 0) {
|
|
this.consumers = [continuation];
|
|
} else {
|
|
this.consumers.push(continuation);
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @deprecated
|
|
*/
|
|
Pending.prototype.notify = function(x) {
|
|
if(!this.resolved) {
|
|
tasks.enqueue(new ProgressTask(x, this));
|
|
}
|
|
};
|
|
|
|
Pending.prototype.fail = function(context) {
|
|
var c = typeof context === 'undefined' ? this.context : context;
|
|
this.resolved && this.handler.join().fail(c);
|
|
};
|
|
|
|
Pending.prototype._report = function(context) {
|
|
this.resolved && this.handler.join()._report(context);
|
|
};
|
|
|
|
Pending.prototype._unreport = function() {
|
|
this.resolved && this.handler.join()._unreport();
|
|
};
|
|
|
|
/**
|
|
* Wrap another handler and force it into a future stack
|
|
* @param {object} handler
|
|
* @constructor
|
|
*/
|
|
function Async(handler) {
|
|
this.handler = handler;
|
|
}
|
|
|
|
inherit(Handler, Async);
|
|
|
|
Async.prototype.when = function(continuation) {
|
|
tasks.enqueue(new ContinuationTask(continuation, this));
|
|
};
|
|
|
|
Async.prototype._report = function(context) {
|
|
this.join()._report(context);
|
|
};
|
|
|
|
Async.prototype._unreport = function() {
|
|
this.join()._unreport();
|
|
};
|
|
|
|
/**
|
|
* Handler that wraps an untrusted thenable and assimilates it in a future stack
|
|
* @param {function} then
|
|
* @param {{then: function}} thenable
|
|
* @constructor
|
|
*/
|
|
function Thenable(then, thenable) {
|
|
Pending.call(this);
|
|
tasks.enqueue(new AssimilateTask(then, thenable, this));
|
|
}
|
|
|
|
inherit(Pending, Thenable);
|
|
|
|
/**
|
|
* Handler for a fulfilled promise
|
|
* @param {*} x fulfillment value
|
|
* @constructor
|
|
*/
|
|
function Fulfilled(x) {
|
|
Promise.createContext(this);
|
|
this.value = x;
|
|
}
|
|
|
|
inherit(Handler, Fulfilled);
|
|
|
|
Fulfilled.prototype._state = 1;
|
|
|
|
Fulfilled.prototype.fold = function(f, z, c, to) {
|
|
runContinuation3(f, z, this, c, to);
|
|
};
|
|
|
|
Fulfilled.prototype.when = function(cont) {
|
|
runContinuation1(cont.fulfilled, this, cont.receiver, cont.resolver);
|
|
};
|
|
|
|
var errorId = 0;
|
|
|
|
/**
|
|
* Handler for a rejected promise
|
|
* @param {*} x rejection reason
|
|
* @constructor
|
|
*/
|
|
function Rejected(x) {
|
|
Promise.createContext(this);
|
|
|
|
this.id = ++errorId;
|
|
this.value = x;
|
|
this.handled = false;
|
|
this.reported = false;
|
|
|
|
this._report();
|
|
}
|
|
|
|
inherit(Handler, Rejected);
|
|
|
|
Rejected.prototype._state = -1;
|
|
|
|
Rejected.prototype.fold = function(f, z, c, to) {
|
|
to.become(this);
|
|
};
|
|
|
|
Rejected.prototype.when = function(cont) {
|
|
if(typeof cont.rejected === 'function') {
|
|
this._unreport();
|
|
}
|
|
runContinuation1(cont.rejected, this, cont.receiver, cont.resolver);
|
|
};
|
|
|
|
Rejected.prototype._report = function(context) {
|
|
tasks.afterQueue(new ReportTask(this, context));
|
|
};
|
|
|
|
Rejected.prototype._unreport = function() {
|
|
if(this.handled) {
|
|
return;
|
|
}
|
|
this.handled = true;
|
|
tasks.afterQueue(new UnreportTask(this));
|
|
};
|
|
|
|
Rejected.prototype.fail = function(context) {
|
|
this.reported = true;
|
|
emitRejection('unhandledRejection', this);
|
|
Promise.onFatalRejection(this, context === void 0 ? this.context : context);
|
|
};
|
|
|
|
function ReportTask(rejection, context) {
|
|
this.rejection = rejection;
|
|
this.context = context;
|
|
}
|
|
|
|
ReportTask.prototype.run = function() {
|
|
if(!this.rejection.handled && !this.rejection.reported) {
|
|
this.rejection.reported = true;
|
|
emitRejection('unhandledRejection', this.rejection) ||
|
|
Promise.onPotentiallyUnhandledRejection(this.rejection, this.context);
|
|
}
|
|
};
|
|
|
|
function UnreportTask(rejection) {
|
|
this.rejection = rejection;
|
|
}
|
|
|
|
UnreportTask.prototype.run = function() {
|
|
if(this.rejection.reported) {
|
|
emitRejection('rejectionHandled', this.rejection) ||
|
|
Promise.onPotentiallyUnhandledRejectionHandled(this.rejection);
|
|
}
|
|
};
|
|
|
|
// Unhandled rejection hooks
|
|
// By default, everything is a noop
|
|
|
|
Promise.createContext
|
|
= Promise.enterContext
|
|
= Promise.exitContext
|
|
= Promise.onPotentiallyUnhandledRejection
|
|
= Promise.onPotentiallyUnhandledRejectionHandled
|
|
= Promise.onFatalRejection
|
|
= noop;
|
|
|
|
// Errors and singletons
|
|
|
|
var foreverPendingHandler = new Handler();
|
|
var foreverPendingPromise = new Promise(Handler, foreverPendingHandler);
|
|
|
|
function cycle() {
|
|
return new Rejected(new TypeError('Promise cycle'));
|
|
}
|
|
|
|
// Task runners
|
|
|
|
/**
|
|
* Run a single consumer
|
|
* @constructor
|
|
*/
|
|
function ContinuationTask(continuation, handler) {
|
|
this.continuation = continuation;
|
|
this.handler = handler;
|
|
}
|
|
|
|
ContinuationTask.prototype.run = function() {
|
|
this.handler.join().when(this.continuation);
|
|
};
|
|
|
|
/**
|
|
* Run a queue of progress handlers
|
|
* @constructor
|
|
*/
|
|
function ProgressTask(value, handler) {
|
|
this.handler = handler;
|
|
this.value = value;
|
|
}
|
|
|
|
ProgressTask.prototype.run = function() {
|
|
var q = this.handler.consumers;
|
|
if(q === void 0) {
|
|
return;
|
|
}
|
|
|
|
for (var c, i = 0; i < q.length; ++i) {
|
|
c = q[i];
|
|
runNotify(c.progress, this.value, this.handler, c.receiver, c.resolver);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Assimilate a thenable, sending it's value to resolver
|
|
* @param {function} then
|
|
* @param {object|function} thenable
|
|
* @param {object} resolver
|
|
* @constructor
|
|
*/
|
|
function AssimilateTask(then, thenable, resolver) {
|
|
this._then = then;
|
|
this.thenable = thenable;
|
|
this.resolver = resolver;
|
|
}
|
|
|
|
AssimilateTask.prototype.run = function() {
|
|
var h = this.resolver;
|
|
tryAssimilate(this._then, this.thenable, _resolve, _reject, _notify);
|
|
|
|
function _resolve(x) { h.resolve(x); }
|
|
function _reject(x) { h.reject(x); }
|
|
function _notify(x) { h.notify(x); }
|
|
};
|
|
|
|
function tryAssimilate(then, thenable, resolve, reject, notify) {
|
|
try {
|
|
then.call(thenable, resolve, reject, notify);
|
|
} catch (e) {
|
|
reject(e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fold a handler value with z
|
|
* @constructor
|
|
*/
|
|
function Fold(f, z, c, to) {
|
|
this.f = f; this.z = z; this.c = c; this.to = to;
|
|
this.resolver = failIfRejected;
|
|
this.receiver = this;
|
|
}
|
|
|
|
Fold.prototype.fulfilled = function(x) {
|
|
this.f.call(this.c, this.z, x, this.to);
|
|
};
|
|
|
|
Fold.prototype.rejected = function(x) {
|
|
this.to.reject(x);
|
|
};
|
|
|
|
Fold.prototype.progress = function(x) {
|
|
this.to.notify(x);
|
|
};
|
|
|
|
// Other helpers
|
|
|
|
/**
|
|
* @param {*} x
|
|
* @returns {boolean} true iff x is a trusted Promise
|
|
*/
|
|
function isPromise(x) {
|
|
return x instanceof Promise;
|
|
}
|
|
|
|
/**
|
|
* Test just enough to rule out primitives, in order to take faster
|
|
* paths in some code
|
|
* @param {*} x
|
|
* @returns {boolean} false iff x is guaranteed *not* to be a thenable
|
|
*/
|
|
function maybeThenable(x) {
|
|
return (typeof x === 'object' || typeof x === 'function') && x !== null;
|
|
}
|
|
|
|
function runContinuation1(f, h, receiver, next) {
|
|
if(typeof f !== 'function') {
|
|
return next.become(h);
|
|
}
|
|
|
|
Promise.enterContext(h);
|
|
tryCatchReject(f, h.value, receiver, next);
|
|
Promise.exitContext();
|
|
}
|
|
|
|
function runContinuation3(f, x, h, receiver, next) {
|
|
if(typeof f !== 'function') {
|
|
return next.become(h);
|
|
}
|
|
|
|
Promise.enterContext(h);
|
|
tryCatchReject3(f, x, h.value, receiver, next);
|
|
Promise.exitContext();
|
|
}
|
|
|
|
/**
|
|
* @deprecated
|
|
*/
|
|
function runNotify(f, x, h, receiver, next) {
|
|
if(typeof f !== 'function') {
|
|
return next.notify(x);
|
|
}
|
|
|
|
Promise.enterContext(h);
|
|
tryCatchReturn(f, x, receiver, next);
|
|
Promise.exitContext();
|
|
}
|
|
|
|
function tryCatch2(f, a, b) {
|
|
try {
|
|
return f(a, b);
|
|
} catch(e) {
|
|
return reject(e);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Return f.call(thisArg, x), or if it throws return a rejected promise for
|
|
* the thrown exception
|
|
*/
|
|
function tryCatchReject(f, x, thisArg, next) {
|
|
try {
|
|
next.become(getHandler(f.call(thisArg, x)));
|
|
} catch(e) {
|
|
next.become(new Rejected(e));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Same as above, but includes the extra argument parameter.
|
|
*/
|
|
function tryCatchReject3(f, x, y, thisArg, next) {
|
|
try {
|
|
f.call(thisArg, x, y, next);
|
|
} catch(e) {
|
|
next.become(new Rejected(e));
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @deprecated
|
|
* Return f.call(thisArg, x), or if it throws, *return* the exception
|
|
*/
|
|
function tryCatchReturn(f, x, thisArg, next) {
|
|
try {
|
|
next.notify(f.call(thisArg, x));
|
|
} catch(e) {
|
|
next.notify(e);
|
|
}
|
|
}
|
|
|
|
function inherit(Parent, Child) {
|
|
Child.prototype = objectCreate(Parent.prototype);
|
|
Child.prototype.constructor = Child;
|
|
}
|
|
|
|
function snd(x, y) {
|
|
return y;
|
|
}
|
|
|
|
function noop() {}
|
|
|
|
function initEmitRejection() {
|
|
/*global process, self, CustomEvent*/
|
|
if(typeof process !== 'undefined' && process !== null
|
|
&& typeof process.emit === 'function') {
|
|
// Returning falsy here means to call the default
|
|
// onPotentiallyUnhandledRejection API. This is safe even in
|
|
// browserify since process.emit always returns falsy in browserify:
|
|
// https://github.com/defunctzombie/node-process/blob/master/browser.js#L40-L46
|
|
return function(type, rejection) {
|
|
return type === 'unhandledRejection'
|
|
? process.emit(type, rejection.value, rejection)
|
|
: process.emit(type, rejection);
|
|
};
|
|
} else if(typeof self !== 'undefined' && typeof CustomEvent === 'function') {
|
|
return (function(noop, self, CustomEvent) {
|
|
var hasCustomEvent = false;
|
|
try {
|
|
var ev = new CustomEvent('unhandledRejection');
|
|
hasCustomEvent = ev instanceof CustomEvent;
|
|
} catch (e) {}
|
|
|
|
return !hasCustomEvent ? noop : function(type, rejection) {
|
|
var ev = new CustomEvent(type, {
|
|
detail: {
|
|
reason: rejection.value,
|
|
key: rejection
|
|
},
|
|
bubbles: false,
|
|
cancelable: true
|
|
});
|
|
|
|
return !self.dispatchEvent(ev);
|
|
};
|
|
}(noop, self, CustomEvent));
|
|
}
|
|
|
|
return noop;
|
|
}
|
|
|
|
return Promise;
|
|
};
|
|
});
|
|
}(typeof define === 'function' && define.amd ? define : function(factory) { module.exports = factory(); }));
|
|
|
|
},{}]},{},[1])
|
|
(1)
|
|
});
|
|
;
|
|
(function(__global) {
|
|
|
|
$__Object$getPrototypeOf = Object.getPrototypeOf || function(obj) {
|
|
return obj.__proto__;
|
|
};
|
|
|
|
var $__Object$defineProperty;
|
|
(function () {
|
|
try {
|
|
if (!!Object.defineProperty({}, 'a', {})) {
|
|
$__Object$defineProperty = Object.defineProperty;
|
|
}
|
|
} catch (e) {
|
|
$__Object$defineProperty = function (obj, prop, opt) {
|
|
try {
|
|
obj[prop] = opt.value || opt.get.call(obj);
|
|
}
|
|
catch(e) {}
|
|
}
|
|
}
|
|
}());
|
|
|
|
$__Object$create = Object.create || function(o, props) {
|
|
function F() {}
|
|
F.prototype = o;
|
|
|
|
if (typeof(props) === "object") {
|
|
for (prop in props) {
|
|
if (props.hasOwnProperty((prop))) {
|
|
F[prop] = props[prop];
|
|
}
|
|
}
|
|
}
|
|
return new F();
|
|
};
|
|
|
|
/*
|
|
*********************************************************************************************
|
|
|
|
Dynamic Module Loader Polyfill
|
|
|
|
- Implemented exactly to the former 2014-08-24 ES6 Specification Draft Rev 27, Section 15
|
|
http://wiki.ecmascript.org/doku.php?id=harmony:specification_drafts#august_24_2014_draft_rev_27
|
|
|
|
- Functions are commented with their spec numbers, with spec differences commented.
|
|
|
|
- Spec bugs are commented in this code with links.
|
|
|
|
- Abstract functions have been combined where possible, and their associated functions
|
|
commented.
|
|
|
|
- Realm implementation is entirely omitted.
|
|
|
|
*********************************************************************************************
|
|
*/
|
|
|
|
// Some Helpers
|
|
|
|
// logs a linkset snapshot for debugging
|
|
/* function snapshot(loader) {
|
|
console.log('---Snapshot---');
|
|
for (var i = 0; i < loader.loads.length; i++) {
|
|
var load = loader.loads[i];
|
|
var linkSetLog = ' ' + load.name + ' (' + load.status + '): ';
|
|
|
|
for (var j = 0; j < load.linkSets.length; j++) {
|
|
linkSetLog += '{' + logloads(load.linkSets[j].loads) + '} ';
|
|
}
|
|
console.log(linkSetLog);
|
|
}
|
|
console.log('');
|
|
}
|
|
function logloads(loads) {
|
|
var log = '';
|
|
for (var k = 0; k < loads.length; k++)
|
|
log += loads[k].name + (k != loads.length - 1 ? ' ' : '');
|
|
return log;
|
|
} */
|
|
|
|
|
|
/* function checkInvariants() {
|
|
// see https://bugs.ecmascript.org/show_bug.cgi?id=2603#c1
|
|
|
|
var loads = System._loader.loads;
|
|
var linkSets = [];
|
|
|
|
for (var i = 0; i < loads.length; i++) {
|
|
var load = loads[i];
|
|
console.assert(load.status == 'loading' || load.status == 'loaded', 'Each load is loading or loaded');
|
|
|
|
for (var j = 0; j < load.linkSets.length; j++) {
|
|
var linkSet = load.linkSets[j];
|
|
|
|
for (var k = 0; k < linkSet.loads.length; k++)
|
|
console.assert(loads.indexOf(linkSet.loads[k]) != -1, 'linkSet loads are a subset of loader loads');
|
|
|
|
if (linkSets.indexOf(linkSet) == -1)
|
|
linkSets.push(linkSet);
|
|
}
|
|
}
|
|
|
|
for (var i = 0; i < loads.length; i++) {
|
|
var load = loads[i];
|
|
for (var j = 0; j < linkSets.length; j++) {
|
|
var linkSet = linkSets[j];
|
|
|
|
if (linkSet.loads.indexOf(load) != -1)
|
|
console.assert(load.linkSets.indexOf(linkSet) != -1, 'linkSet contains load -> load contains linkSet');
|
|
|
|
if (load.linkSets.indexOf(linkSet) != -1)
|
|
console.assert(linkSet.loads.indexOf(load) != -1, 'load contains linkSet -> linkSet contains load');
|
|
}
|
|
}
|
|
|
|
for (var i = 0; i < linkSets.length; i++) {
|
|
var linkSet = linkSets[i];
|
|
for (var j = 0; j < linkSet.loads.length; j++) {
|
|
var load = linkSet.loads[j];
|
|
|
|
for (var k = 0; k < load.dependencies.length; k++) {
|
|
var depName = load.dependencies[k].value;
|
|
var depLoad;
|
|
for (var l = 0; l < loads.length; l++) {
|
|
if (loads[l].name != depName)
|
|
continue;
|
|
depLoad = loads[l];
|
|
break;
|
|
}
|
|
|
|
// loading records are allowed not to have their dependencies yet
|
|
// if (load.status != 'loading')
|
|
// console.assert(depLoad, 'depLoad found');
|
|
|
|
// console.assert(linkSet.loads.indexOf(depLoad) != -1, 'linkset contains all dependencies');
|
|
}
|
|
}
|
|
}
|
|
} */
|
|
|
|
|
|
(function() {
|
|
var Promise = __global.Promise || require('when/es6-shim/Promise');
|
|
if (__global.console)
|
|
console.assert = console.assert || function() {};
|
|
|
|
// IE8 support
|
|
var indexOf = Array.prototype.indexOf || function(item) {
|
|
for (var i = 0, thisLen = this.length; i < thisLen; i++) {
|
|
if (this[i] === item) {
|
|
return i;
|
|
}
|
|
}
|
|
return -1;
|
|
};
|
|
var defineProperty = $__Object$defineProperty;
|
|
|
|
// 15.2.3 - Runtime Semantics: Loader State
|
|
|
|
// 15.2.3.11
|
|
function createLoaderLoad(object) {
|
|
return {
|
|
// modules is an object for ES5 implementation
|
|
modules: {},
|
|
loads: [],
|
|
loaderObj: object
|
|
};
|
|
}
|
|
|
|
// 15.2.3.2 Load Records and LoadRequest Objects
|
|
|
|
// 15.2.3.2.1
|
|
function createLoad(name) {
|
|
return {
|
|
status: 'loading',
|
|
name: name,
|
|
linkSets: [],
|
|
dependencies: [],
|
|
metadata: {}
|
|
};
|
|
}
|
|
|
|
// 15.2.3.2.2 createLoadRequestObject, absorbed into calling functions
|
|
|
|
// 15.2.4
|
|
|
|
// 15.2.4.1
|
|
function loadModule(loader, name, options) {
|
|
return new Promise(asyncStartLoadPartwayThrough({
|
|
step: options.address ? 'fetch' : 'locate',
|
|
loader: loader,
|
|
moduleName: name,
|
|
// allow metadata for import https://bugs.ecmascript.org/show_bug.cgi?id=3091
|
|
moduleMetadata: options && options.metadata || {},
|
|
moduleSource: options.source,
|
|
moduleAddress: options.address
|
|
}));
|
|
}
|
|
|
|
// 15.2.4.2
|
|
function requestLoad(loader, request, refererName, refererAddress) {
|
|
// 15.2.4.2.1 CallNormalize
|
|
return new Promise(function(resolve, reject) {
|
|
resolve(loader.loaderObj.normalize(request, refererName, refererAddress));
|
|
})
|
|
// 15.2.4.2.2 GetOrCreateLoad
|
|
.then(function(name) {
|
|
var load;
|
|
if (loader.modules[name]) {
|
|
load = createLoad(name);
|
|
load.status = 'linked';
|
|
// https://bugs.ecmascript.org/show_bug.cgi?id=2795
|
|
load.module = loader.modules[name];
|
|
return load;
|
|
}
|
|
|
|
for (var i = 0, l = loader.loads.length; i < l; i++) {
|
|
load = loader.loads[i];
|
|
if (load.name != name)
|
|
continue;
|
|
console.assert(load.status == 'loading' || load.status == 'loaded', 'loading or loaded');
|
|
return load;
|
|
}
|
|
|
|
load = createLoad(name);
|
|
loader.loads.push(load);
|
|
|
|
proceedToLocate(loader, load);
|
|
|
|
return load;
|
|
});
|
|
}
|
|
|
|
// 15.2.4.3
|
|
function proceedToLocate(loader, load) {
|
|
proceedToFetch(loader, load,
|
|
Promise.resolve()
|
|
// 15.2.4.3.1 CallLocate
|
|
.then(function() {
|
|
return loader.loaderObj.locate({ name: load.name, metadata: load.metadata });
|
|
})
|
|
);
|
|
}
|
|
|
|
// 15.2.4.4
|
|
function proceedToFetch(loader, load, p) {
|
|
proceedToTranslate(loader, load,
|
|
p
|
|
// 15.2.4.4.1 CallFetch
|
|
.then(function(address) {
|
|
// adjusted, see https://bugs.ecmascript.org/show_bug.cgi?id=2602
|
|
if (load.status != 'loading')
|
|
return;
|
|
load.address = address;
|
|
|
|
return loader.loaderObj.fetch({ name: load.name, metadata: load.metadata, address: address });
|
|
})
|
|
);
|
|
}
|
|
|
|
var anonCnt = 0;
|
|
|
|
// 15.2.4.5
|
|
function proceedToTranslate(loader, load, p) {
|
|
p
|
|
// 15.2.4.5.1 CallTranslate
|
|
.then(function(source) {
|
|
if (load.status != 'loading')
|
|
return;
|
|
|
|
return Promise.resolve(loader.loaderObj.translate({ name: load.name, metadata: load.metadata, address: load.address, source: source }))
|
|
|
|
// 15.2.4.5.2 CallInstantiate
|
|
.then(function(source) {
|
|
load.source = source;
|
|
return loader.loaderObj.instantiate({ name: load.name, metadata: load.metadata, address: load.address, source: source });
|
|
})
|
|
|
|
// 15.2.4.5.3 InstantiateSucceeded
|
|
.then(function(instantiateResult) {
|
|
if (instantiateResult === undefined) {
|
|
load.address = load.address || '<Anonymous Module ' + ++anonCnt + '>';
|
|
|
|
// instead of load.kind, use load.isDeclarative
|
|
load.isDeclarative = true;
|
|
return loader.loaderObj.transpile(load)
|
|
.then(function(transpiled) {
|
|
// Hijack System.register to set declare function
|
|
var curSystem = __global.System;
|
|
var curRegister = curSystem.register;
|
|
curSystem.register = function(name, deps, declare) {
|
|
if (typeof name != 'string') {
|
|
declare = deps;
|
|
deps = name;
|
|
}
|
|
// store the registered declaration as load.declare
|
|
// store the deps as load.deps
|
|
load.declare = declare;
|
|
load.depsList = deps;
|
|
}
|
|
__eval(transpiled, __global, load);
|
|
curSystem.register = curRegister;
|
|
});
|
|
}
|
|
else if (typeof instantiateResult == 'object') {
|
|
load.depsList = instantiateResult.deps || [];
|
|
load.execute = instantiateResult.execute;
|
|
load.isDeclarative = false;
|
|
}
|
|
else
|
|
throw TypeError('Invalid instantiate return value');
|
|
})
|
|
// 15.2.4.6 ProcessLoadDependencies
|
|
.then(function() {
|
|
load.dependencies = [];
|
|
var depsList = load.depsList;
|
|
|
|
var loadPromises = [];
|
|
for (var i = 0, l = depsList.length; i < l; i++) (function(request, index) {
|
|
loadPromises.push(
|
|
requestLoad(loader, request, load.name, load.address)
|
|
|
|
// 15.2.4.6.1 AddDependencyLoad (load is parentLoad)
|
|
.then(function(depLoad) {
|
|
|
|
// adjusted from spec to maintain dependency order
|
|
// this is due to the System.register internal implementation needs
|
|
load.dependencies[index] = {
|
|
key: request,
|
|
value: depLoad.name
|
|
};
|
|
|
|
if (depLoad.status != 'linked') {
|
|
var linkSets = load.linkSets.concat([]);
|
|
for (var i = 0, l = linkSets.length; i < l; i++)
|
|
addLoadToLinkSet(linkSets[i], depLoad);
|
|
}
|
|
|
|
// console.log('AddDependencyLoad ' + depLoad.name + ' for ' + load.name);
|
|
// snapshot(loader);
|
|
})
|
|
);
|
|
})(depsList[i], i);
|
|
|
|
return Promise.all(loadPromises);
|
|
})
|
|
|
|
// 15.2.4.6.2 LoadSucceeded
|
|
.then(function() {
|
|
// console.log('LoadSucceeded ' + load.name);
|
|
// snapshot(loader);
|
|
|
|
console.assert(load.status == 'loading', 'is loading');
|
|
|
|
load.status = 'loaded';
|
|
|
|
var linkSets = load.linkSets.concat([]);
|
|
for (var i = 0, l = linkSets.length; i < l; i++)
|
|
updateLinkSetOnLoad(linkSets[i], load);
|
|
});
|
|
})
|
|
// 15.2.4.5.4 LoadFailed
|
|
['catch'](function(exc) {
|
|
load.status = 'failed';
|
|
load.exception = exc;
|
|
|
|
var linkSets = load.linkSets.concat([]);
|
|
for (var i = 0, l = linkSets.length; i < l; i++) {
|
|
linkSetFailed(linkSets[i], load, exc);
|
|
}
|
|
|
|
console.assert(load.linkSets.length == 0, 'linkSets not removed');
|
|
});
|
|
}
|
|
|
|
// 15.2.4.7 PromiseOfStartLoadPartwayThrough absorbed into calling functions
|
|
|
|
// 15.2.4.7.1
|
|
function asyncStartLoadPartwayThrough(stepState) {
|
|
return function(resolve, reject) {
|
|
var loader = stepState.loader;
|
|
var name = stepState.moduleName;
|
|
var step = stepState.step;
|
|
|
|
if (loader.modules[name])
|
|
throw new TypeError('"' + name + '" already exists in the module table');
|
|
|
|
// adjusted to pick up existing loads
|
|
var existingLoad;
|
|
for (var i = 0, l = loader.loads.length; i < l; i++) {
|
|
if (loader.loads[i].name == name) {
|
|
existingLoad = loader.loads[i];
|
|
|
|
if(step == 'translate' && !existingLoad.source) {
|
|
existingLoad.address = stepState.moduleAddress;
|
|
proceedToTranslate(loader, existingLoad, Promise.resolve(stepState.moduleSource));
|
|
}
|
|
|
|
return existingLoad.linkSets[0].done.then(function() {
|
|
resolve(existingLoad);
|
|
});
|
|
}
|
|
}
|
|
|
|
var load = createLoad(name);
|
|
|
|
load.metadata = stepState.moduleMetadata;
|
|
|
|
var linkSet = createLinkSet(loader, load);
|
|
|
|
loader.loads.push(load);
|
|
|
|
resolve(linkSet.done);
|
|
|
|
if (step == 'locate')
|
|
proceedToLocate(loader, load);
|
|
|
|
else if (step == 'fetch')
|
|
proceedToFetch(loader, load, Promise.resolve(stepState.moduleAddress));
|
|
|
|
else {
|
|
console.assert(step == 'translate', 'translate step');
|
|
load.address = stepState.moduleAddress;
|
|
proceedToTranslate(loader, load, Promise.resolve(stepState.moduleSource));
|
|
}
|
|
}
|
|
}
|
|
|
|
// Declarative linking functions run through alternative implementation:
|
|
// 15.2.5.1.1 CreateModuleLinkageRecord not implemented
|
|
// 15.2.5.1.2 LookupExport not implemented
|
|
// 15.2.5.1.3 LookupModuleDependency not implemented
|
|
|
|
// 15.2.5.2.1
|
|
function createLinkSet(loader, startingLoad) {
|
|
var linkSet = {
|
|
loader: loader,
|
|
loads: [],
|
|
startingLoad: startingLoad, // added see spec bug https://bugs.ecmascript.org/show_bug.cgi?id=2995
|
|
loadingCount: 0
|
|
};
|
|
linkSet.done = new Promise(function(resolve, reject) {
|
|
linkSet.resolve = resolve;
|
|
linkSet.reject = reject;
|
|
});
|
|
addLoadToLinkSet(linkSet, startingLoad);
|
|
return linkSet;
|
|
}
|
|
// 15.2.5.2.2
|
|
function addLoadToLinkSet(linkSet, load) {
|
|
console.assert(load.status == 'loading' || load.status == 'loaded', 'loading or loaded on link set');
|
|
|
|
for (var i = 0, l = linkSet.loads.length; i < l; i++)
|
|
if (linkSet.loads[i] == load)
|
|
return;
|
|
|
|
linkSet.loads.push(load);
|
|
load.linkSets.push(linkSet);
|
|
|
|
// adjustment, see https://bugs.ecmascript.org/show_bug.cgi?id=2603
|
|
if (load.status != 'loaded') {
|
|
linkSet.loadingCount++;
|
|
}
|
|
|
|
var loader = linkSet.loader;
|
|
|
|
for (var i = 0, l = load.dependencies.length; i < l; i++) {
|
|
var name = load.dependencies[i].value;
|
|
|
|
if (loader.modules[name])
|
|
continue;
|
|
|
|
for (var j = 0, d = loader.loads.length; j < d; j++) {
|
|
if (loader.loads[j].name != name)
|
|
continue;
|
|
|
|
addLoadToLinkSet(linkSet, loader.loads[j]);
|
|
break;
|
|
}
|
|
}
|
|
// console.log('add to linkset ' + load.name);
|
|
// snapshot(linkSet.loader);
|
|
}
|
|
|
|
// linking errors can be generic or load-specific
|
|
// this is necessary for debugging info
|
|
function doLink(linkSet) {
|
|
var error = false;
|
|
try {
|
|
link(linkSet, function(load, exc) {
|
|
linkSetFailed(linkSet, load, exc);
|
|
error = true;
|
|
});
|
|
}
|
|
catch(e) {
|
|
linkSetFailed(linkSet, null, e);
|
|
error = true;
|
|
}
|
|
return error;
|
|
}
|
|
|
|
// 15.2.5.2.3
|
|
function updateLinkSetOnLoad(linkSet, load) {
|
|
// console.log('update linkset on load ' + load.name);
|
|
// snapshot(linkSet.loader);
|
|
|
|
console.assert(load.status == 'loaded' || load.status == 'linked', 'loaded or linked');
|
|
|
|
linkSet.loadingCount--;
|
|
|
|
if (linkSet.loadingCount > 0)
|
|
return;
|
|
|
|
// adjusted for spec bug https://bugs.ecmascript.org/show_bug.cgi?id=2995
|
|
var startingLoad = linkSet.startingLoad;
|
|
|
|
// non-executing link variation for loader tracing
|
|
// on the server. Not in spec.
|
|
/***/
|
|
if (linkSet.loader.loaderObj.execute === false) {
|
|
var loads = [].concat(linkSet.loads);
|
|
for (var i = 0, l = loads.length; i < l; i++) {
|
|
var load = loads[i];
|
|
load.module = !load.isDeclarative ? {
|
|
module: _newModule({})
|
|
} : {
|
|
name: load.name,
|
|
module: _newModule({}),
|
|
evaluated: true
|
|
};
|
|
load.status = 'linked';
|
|
finishLoad(linkSet.loader, load);
|
|
}
|
|
return linkSet.resolve(startingLoad);
|
|
}
|
|
/***/
|
|
|
|
var abrupt = doLink(linkSet);
|
|
|
|
if (abrupt)
|
|
return;
|
|
|
|
console.assert(linkSet.loads.length == 0, 'loads cleared');
|
|
|
|
linkSet.resolve(startingLoad);
|
|
}
|
|
|
|
// 15.2.5.2.4
|
|
function linkSetFailed(linkSet, load, exc) {
|
|
var loader = linkSet.loader;
|
|
|
|
if (load && linkSet.loads[0].name != load.name)
|
|
exc = addToError(exc, 'Error loading "' + load.name + '" from "' + linkSet.loads[0].name + '" at ' + (linkSet.loads[0].address || '<unknown>') + '\n');
|
|
|
|
if (load)
|
|
exc = addToError(exc, 'Error loading "' + load.name + '" at ' + (load.address || '<unknown>') + '\n');
|
|
|
|
var loads = linkSet.loads.concat([]);
|
|
for (var i = 0, l = loads.length; i < l; i++) {
|
|
var load = loads[i];
|
|
|
|
// store all failed load records
|
|
loader.loaderObj.failed = loader.loaderObj.failed || [];
|
|
if (indexOf.call(loader.loaderObj.failed, load) == -1)
|
|
loader.loaderObj.failed.push(load);
|
|
|
|
var linkIndex = indexOf.call(load.linkSets, linkSet);
|
|
console.assert(linkIndex != -1, 'link not present');
|
|
load.linkSets.splice(linkIndex, 1);
|
|
if (load.linkSets.length == 0) {
|
|
var globalLoadsIndex = indexOf.call(linkSet.loader.loads, load);
|
|
if (globalLoadsIndex != -1)
|
|
linkSet.loader.loads.splice(globalLoadsIndex, 1);
|
|
}
|
|
}
|
|
linkSet.reject(exc);
|
|
}
|
|
|
|
// 15.2.5.2.5
|
|
function finishLoad(loader, load) {
|
|
// add to global trace if tracing
|
|
if (loader.loaderObj.trace) {
|
|
if (!loader.loaderObj.loads)
|
|
loader.loaderObj.loads = {};
|
|
var depMap = {};
|
|
load.dependencies.forEach(function(dep) {
|
|
depMap[dep.key] = dep.value;
|
|
});
|
|
loader.loaderObj.loads[load.name] = {
|
|
name: load.name,
|
|
deps: load.dependencies.map(function(dep){ return dep.key }),
|
|
depMap: depMap,
|
|
address: load.address,
|
|
metadata: load.metadata,
|
|
source: load.source,
|
|
kind: load.isDeclarative ? 'declarative' : 'dynamic'
|
|
};
|
|
}
|
|
// if not anonymous, add to the module table
|
|
if (load.name) {
|
|
console.assert(!loader.modules[load.name], 'load not in module table');
|
|
loader.modules[load.name] = load.module;
|
|
}
|
|
var loadIndex = indexOf.call(loader.loads, load);
|
|
if (loadIndex != -1)
|
|
loader.loads.splice(loadIndex, 1);
|
|
for (var i = 0, l = load.linkSets.length; i < l; i++) {
|
|
loadIndex = indexOf.call(load.linkSets[i].loads, load);
|
|
if (loadIndex != -1)
|
|
load.linkSets[i].loads.splice(loadIndex, 1);
|
|
}
|
|
load.linkSets.splice(0, load.linkSets.length);
|
|
}
|
|
|
|
// 15.2.5.3 Module Linking Groups
|
|
|
|
// 15.2.5.3.2 BuildLinkageGroups alternative implementation
|
|
// Adjustments (also see https://bugs.ecmascript.org/show_bug.cgi?id=2755)
|
|
// 1. groups is an already-interleaved array of group kinds
|
|
// 2. load.groupIndex is set when this function runs
|
|
// 3. load.groupIndex is the interleaved index ie 0 declarative, 1 dynamic, 2 declarative, ... (or starting with dynamic)
|
|
function buildLinkageGroups(load, loads, groups) {
|
|
groups[load.groupIndex] = groups[load.groupIndex] || [];
|
|
|
|
// if the load already has a group index and its in its group, its already been done
|
|
// this logic naturally handles cycles
|
|
if (indexOf.call(groups[load.groupIndex], load) != -1)
|
|
return;
|
|
|
|
// now add it to the group to indicate its been seen
|
|
groups[load.groupIndex].push(load);
|
|
|
|
for (var i = 0, l = loads.length; i < l; i++) {
|
|
var loadDep = loads[i];
|
|
|
|
// dependencies not found are already linked
|
|
for (var j = 0; j < load.dependencies.length; j++) {
|
|
if (loadDep.name == load.dependencies[j].value) {
|
|
// by definition all loads in linkset are loaded, not linked
|
|
console.assert(loadDep.status == 'loaded', 'Load in linkSet not loaded!');
|
|
|
|
// if it is a group transition, the index of the dependency has gone up
|
|
// otherwise it is the same as the parent
|
|
var loadDepGroupIndex = load.groupIndex + (loadDep.isDeclarative != load.isDeclarative);
|
|
|
|
// the group index of an entry is always the maximum
|
|
if (loadDep.groupIndex === undefined || loadDep.groupIndex < loadDepGroupIndex) {
|
|
|
|
// if already in a group, remove from the old group
|
|
if (loadDep.groupIndex !== undefined) {
|
|
groups[loadDep.groupIndex].splice(indexOf.call(groups[loadDep.groupIndex], loadDep), 1);
|
|
|
|
// if the old group is empty, then we have a mixed depndency cycle
|
|
if (groups[loadDep.groupIndex].length == 0)
|
|
throw new TypeError("Mixed dependency cycle detected");
|
|
}
|
|
|
|
loadDep.groupIndex = loadDepGroupIndex;
|
|
}
|
|
|
|
buildLinkageGroups(loadDep, loads, groups);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
function doDynamicExecute(linkSet, load, linkError) {
|
|
try {
|
|
var module = load.execute();
|
|
}
|
|
catch(e) {
|
|
linkError(load, e);
|
|
return;
|
|
}
|
|
if (!module || !(module instanceof Module))
|
|
linkError(load, new TypeError('Execution must define a Module instance'));
|
|
else
|
|
return module;
|
|
}
|
|
|
|
// 15.2.5.4
|
|
function link(linkSet, linkError) {
|
|
|
|
var loader = linkSet.loader;
|
|
|
|
if (!linkSet.loads.length)
|
|
return;
|
|
|
|
// console.log('linking {' + logloads(linkSet.loads) + '}');
|
|
// snapshot(loader);
|
|
|
|
// 15.2.5.3.1 LinkageGroups alternative implementation
|
|
|
|
// build all the groups
|
|
// because the first load represents the top of the tree
|
|
// for a given linkset, we can work down from there
|
|
var groups = [];
|
|
var startingLoad = linkSet.loads[0];
|
|
startingLoad.groupIndex = 0;
|
|
buildLinkageGroups(startingLoad, linkSet.loads, groups);
|
|
|
|
// determine the kind of the bottom group
|
|
var curGroupDeclarative = startingLoad.isDeclarative == groups.length % 2;
|
|
|
|
// run through the groups from bottom to top
|
|
for (var i = groups.length - 1; i >= 0; i--) {
|
|
var group = groups[i];
|
|
for (var j = 0; j < group.length; j++) {
|
|
var load = group[j];
|
|
|
|
// 15.2.5.5 LinkDeclarativeModules adjusted
|
|
if (curGroupDeclarative) {
|
|
linkDeclarativeModule(load, linkSet.loads, loader);
|
|
}
|
|
// 15.2.5.6 LinkDynamicModules adjusted
|
|
else {
|
|
var module = doDynamicExecute(linkSet, load, linkError);
|
|
if (!module)
|
|
return;
|
|
load.module = {
|
|
name: load.name,
|
|
module: module
|
|
};
|
|
load.status = 'linked';
|
|
}
|
|
finishLoad(loader, load);
|
|
}
|
|
|
|
// alternative current kind for next loop
|
|
curGroupDeclarative = !curGroupDeclarative;
|
|
}
|
|
}
|
|
|
|
|
|
// custom module records for binding graph
|
|
// store linking module records in a separate table
|
|
function getOrCreateModuleRecord(name, loader) {
|
|
var moduleRecords = loader.moduleRecords;
|
|
return moduleRecords[name] || (moduleRecords[name] = {
|
|
name: name,
|
|
dependencies: [],
|
|
module: new Module(), // start from an empty module and extend
|
|
importers: []
|
|
});
|
|
}
|
|
|
|
// custom declarative linking function
|
|
function linkDeclarativeModule(load, loads, loader) {
|
|
if (load.module)
|
|
return;
|
|
|
|
var module = load.module = getOrCreateModuleRecord(load.name, loader);
|
|
var moduleObj = load.module.module;
|
|
|
|
var registryEntry = load.declare.call(__global, function(name, value) {
|
|
// NB This should be an Object.defineProperty, but that is very slow.
|
|
// By disaling this module write-protection we gain performance.
|
|
// It could be useful to allow an option to enable or disable this.
|
|
module.locked = true;
|
|
moduleObj[name] = value;
|
|
|
|
for (var i = 0, l = module.importers.length; i < l; i++) {
|
|
var importerModule = module.importers[i];
|
|
if (!importerModule.locked) {
|
|
var importerIndex = indexOf.call(importerModule.dependencies, module);
|
|
importerModule.setters[importerIndex](moduleObj);
|
|
}
|
|
}
|
|
|
|
module.locked = false;
|
|
return value;
|
|
});
|
|
|
|
// setup our setters and execution function
|
|
module.setters = registryEntry.setters;
|
|
module.execute = registryEntry.execute;
|
|
|
|
// now link all the module dependencies
|
|
// amending the depMap as we go
|
|
for (var i = 0, l = load.dependencies.length; i < l; i++) {
|
|
var depName = load.dependencies[i].value;
|
|
var depModule = loader.modules[depName];
|
|
|
|
// if dependency not already in the module registry
|
|
// then try and link it now
|
|
if (!depModule) {
|
|
// get the dependency load record
|
|
for (var j = 0; j < loads.length; j++) {
|
|
if (loads[j].name != depName)
|
|
continue;
|
|
|
|
// only link if already not already started linking (stops at circular / dynamic)
|
|
if (!loads[j].module) {
|
|
linkDeclarativeModule(loads[j], loads, loader);
|
|
depModule = loads[j].module;
|
|
}
|
|
// if circular, create the module record
|
|
else {
|
|
depModule = getOrCreateModuleRecord(depName, loader);
|
|
}
|
|
}
|
|
}
|
|
|
|
// only declarative modules have dynamic bindings
|
|
if (depModule.importers) {
|
|
module.dependencies.push(depModule);
|
|
depModule.importers.push(module);
|
|
}
|
|
else {
|
|
// track dynamic records as null module records as already linked
|
|
module.dependencies.push(null);
|
|
}
|
|
|
|
// run the setter for this dependency
|
|
if (module.setters[i])
|
|
module.setters[i](depModule.module);
|
|
}
|
|
|
|
load.status = 'linked';
|
|
}
|
|
|
|
|
|
|
|
// 15.2.5.5.1 LinkImports not implemented
|
|
// 15.2.5.7 ResolveExportEntries not implemented
|
|
// 15.2.5.8 ResolveExports not implemented
|
|
// 15.2.5.9 ResolveExport not implemented
|
|
// 15.2.5.10 ResolveImportEntries not implemented
|
|
|
|
// 15.2.6.1
|
|
function evaluateLoadedModule(loader, load) {
|
|
console.assert(load.status == 'linked', 'is linked ' + load.name);
|
|
|
|
doEnsureEvaluated(load.module, [], loader);
|
|
return load.module.module;
|
|
}
|
|
|
|
/*
|
|
* Module Object non-exotic for ES5:
|
|
*
|
|
* module.module bound module object
|
|
* module.execute execution function for module
|
|
* module.dependencies list of module objects for dependencies
|
|
* See getOrCreateModuleRecord for all properties
|
|
*
|
|
*/
|
|
function doExecute(module) {
|
|
try {
|
|
module.execute.call(__global);
|
|
}
|
|
catch(e) {
|
|
return e;
|
|
}
|
|
}
|
|
|
|
// propogate execution errors
|
|
// see https://bugs.ecmascript.org/show_bug.cgi?id=2993
|
|
function doEnsureEvaluated(module, seen, loader) {
|
|
var err = ensureEvaluated(module, seen, loader);
|
|
if (err)
|
|
throw err;
|
|
}
|
|
// 15.2.6.2 EnsureEvaluated adjusted
|
|
function ensureEvaluated(module, seen, loader) {
|
|
if (module.evaluated || !module.dependencies)
|
|
return;
|
|
|
|
seen.push(module);
|
|
|
|
var deps = module.dependencies;
|
|
var err;
|
|
|
|
for (var i = 0, l = deps.length; i < l; i++) {
|
|
var dep = deps[i];
|
|
// dynamic dependencies are empty in module.dependencies
|
|
// as they are already linked
|
|
if (!dep)
|
|
continue;
|
|
if (indexOf.call(seen, dep) == -1) {
|
|
err = ensureEvaluated(dep, seen, loader);
|
|
// stop on error, see https://bugs.ecmascript.org/show_bug.cgi?id=2996
|
|
if (err) {
|
|
err = addToError(err, 'Error evaluating ' + dep.name + '\n');
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (module.failed)
|
|
return new Error('Module failed execution.');
|
|
|
|
if (module.evaluated)
|
|
return;
|
|
|
|
module.evaluated = true;
|
|
err = doExecute(module);
|
|
if (err) {
|
|
module.failed = true;
|
|
}
|
|
else if (Object.preventExtensions) {
|
|
// spec variation
|
|
// we don't create a new module here because it was created and ammended
|
|
// we just disable further extensions instead
|
|
Object.preventExtensions(module.module);
|
|
}
|
|
|
|
module.execute = undefined;
|
|
return err;
|
|
}
|
|
|
|
function addToError(err, msg) {
|
|
if (err instanceof Error)
|
|
err.message = msg + err.message;
|
|
else
|
|
err = msg + err;
|
|
return err;
|
|
}
|
|
|
|
// 26.3 Loader
|
|
|
|
// 26.3.1.1
|
|
function Loader(options) {
|
|
if (typeof options != 'object')
|
|
throw new TypeError('Options must be an object');
|
|
|
|
if (options.normalize)
|
|
this.normalize = options.normalize;
|
|
if (options.locate)
|
|
this.locate = options.locate;
|
|
if (options.fetch)
|
|
this.fetch = options.fetch;
|
|
if (options.translate)
|
|
this.translate = options.translate;
|
|
if (options.instantiate)
|
|
this.instantiate = options.instantiate;
|
|
|
|
this._loader = {
|
|
loaderObj: this,
|
|
loads: [],
|
|
modules: {},
|
|
importPromises: {},
|
|
moduleRecords: {}
|
|
};
|
|
|
|
// 26.3.3.6
|
|
defineProperty(this, 'global', {
|
|
get: function() {
|
|
return __global;
|
|
}
|
|
});
|
|
|
|
// 26.3.3.13 realm not implemented
|
|
}
|
|
|
|
function Module() {}
|
|
|
|
// importPromises adds ability to import a module twice without error - https://bugs.ecmascript.org/show_bug.cgi?id=2601
|
|
function createImportPromise(loader, name, promise) {
|
|
var importPromises = loader._loader.importPromises;
|
|
return importPromises[name] = promise.then(function(m) {
|
|
importPromises[name] = undefined;
|
|
return m;
|
|
}, function(e) {
|
|
importPromises[name] = undefined;
|
|
throw e;
|
|
});
|
|
}
|
|
|
|
Loader.prototype = {
|
|
// 26.3.3.1
|
|
constructor: Loader,
|
|
// 26.3.3.2
|
|
define: function(name, source, options) {
|
|
// check if already defined
|
|
if (this._loader.importPromises[name])
|
|
throw new TypeError('Module is already loading.');
|
|
return createImportPromise(this, name, new Promise(asyncStartLoadPartwayThrough({
|
|
step: 'translate',
|
|
loader: this._loader,
|
|
moduleName: name,
|
|
moduleMetadata: options && options.metadata || {},
|
|
moduleSource: source,
|
|
moduleAddress: options && options.address
|
|
})));
|
|
},
|
|
// 26.3.3.3
|
|
'delete': function(name) {
|
|
var loader = this._loader;
|
|
delete loader.importPromises[name];
|
|
delete loader.moduleRecords[name];
|
|
return loader.modules[name] ? delete loader.modules[name] : false;
|
|
},
|
|
// 26.3.3.4 entries not implemented
|
|
// 26.3.3.5
|
|
get: function(key) {
|
|
if (!this._loader.modules[key])
|
|
return;
|
|
doEnsureEvaluated(this._loader.modules[key], [], this);
|
|
return this._loader.modules[key].module;
|
|
},
|
|
// 26.3.3.7
|
|
has: function(name) {
|
|
return !!this._loader.modules[name];
|
|
},
|
|
// 26.3.3.8
|
|
'import': function(name, options) {
|
|
// run normalize first
|
|
var loaderObj = this;
|
|
|
|
// added, see https://bugs.ecmascript.org/show_bug.cgi?id=2659
|
|
return Promise.resolve(loaderObj.normalize(name, options && options.name, options && options.address))
|
|
.then(function(name) {
|
|
var loader = loaderObj._loader;
|
|
|
|
if (loader.modules[name]) {
|
|
doEnsureEvaluated(loader.modules[name], [], loader._loader);
|
|
return loader.modules[name].module;
|
|
}
|
|
|
|
return loader.importPromises[name] || createImportPromise(loaderObj, name,
|
|
loadModule(loader, name, options || {})
|
|
.then(function(load) {
|
|
delete loader.importPromises[name];
|
|
return evaluateLoadedModule(loader, load);
|
|
}));
|
|
});
|
|
},
|
|
// 26.3.3.9 keys not implemented
|
|
// 26.3.3.10
|
|
load: function(name, options) {
|
|
if (this._loader.modules[name]) {
|
|
doEnsureEvaluated(this._loader.modules[name], [], this._loader);
|
|
return Promise.resolve(this._loader.modules[name].module);
|
|
}
|
|
return this._loader.importPromises[name] || createImportPromise(this, name, loadModule(this._loader, name, {}));
|
|
},
|
|
// 26.3.3.11
|
|
module: function(source, options) {
|
|
var load = createLoad();
|
|
load.address = options && options.address;
|
|
var linkSet = createLinkSet(this._loader, load);
|
|
var sourcePromise = Promise.resolve(source);
|
|
var loader = this._loader;
|
|
var p = linkSet.done.then(function() {
|
|
return evaluateLoadedModule(loader, load);
|
|
});
|
|
proceedToTranslate(loader, load, sourcePromise);
|
|
return p;
|
|
},
|
|
// 26.3.3.12
|
|
newModule: function (obj) {
|
|
if (typeof obj != 'object')
|
|
throw new TypeError('Expected object');
|
|
|
|
// we do this to be able to tell if a module is a module privately in ES5
|
|
// by doing m instanceof Module
|
|
var m = new Module();
|
|
|
|
var pNames;
|
|
if (Object.getOwnPropertyNames && obj != null) {
|
|
pNames = Object.getOwnPropertyNames(obj);
|
|
}
|
|
else {
|
|
pNames = [];
|
|
for (var key in obj)
|
|
pNames.push(key);
|
|
}
|
|
|
|
for (var i = 0; i < pNames.length; i++) (function(key) {
|
|
defineProperty(m, key, {
|
|
configurable: false,
|
|
enumerable: true,
|
|
get: function () {
|
|
return obj[key];
|
|
}
|
|
});
|
|
})(pNames[i]);
|
|
|
|
if (Object.preventExtensions)
|
|
Object.preventExtensions(m);
|
|
|
|
return m;
|
|
},
|
|
// 26.3.3.14
|
|
set: function(name, module) {
|
|
if (!(module instanceof Module))
|
|
throw new TypeError('Loader.set(' + name + ', module) must be a module');
|
|
this._loader.modules[name] = {
|
|
module: module
|
|
};
|
|
},
|
|
// 26.3.3.15 values not implemented
|
|
// 26.3.3.16 @@iterator not implemented
|
|
// 26.3.3.17 @@toStringTag not implemented
|
|
|
|
// 26.3.3.18.1
|
|
normalize: function(name, referrerName, referrerAddress) {
|
|
return name;
|
|
},
|
|
// 26.3.3.18.2
|
|
locate: function(load) {
|
|
return load.name;
|
|
},
|
|
// 26.3.3.18.3
|
|
fetch: function(load) {
|
|
throw new TypeError('Fetch not implemented');
|
|
},
|
|
// 26.3.3.18.4
|
|
translate: function(load) {
|
|
return load.source;
|
|
},
|
|
// 26.3.3.18.5
|
|
instantiate: function(load) {
|
|
}
|
|
};
|
|
|
|
var _newModule = Loader.prototype.newModule;
|
|
|
|
if (typeof exports === 'object')
|
|
module.exports = Loader;
|
|
|
|
__global.Reflect = __global.Reflect || {};
|
|
__global.Reflect.Loader = __global.Reflect.Loader || Loader;
|
|
__global.Reflect.global = __global.Reflect.global || __global;
|
|
__global.LoaderPolyfill = Loader;
|
|
|
|
})();
|
|
|
|
/*
|
|
* Traceur and Babel transpile hook for Loader
|
|
*/
|
|
(function(Loader) {
|
|
var g = __global;
|
|
|
|
function getTranspilerModule(loader, globalName) {
|
|
return loader.newModule({ 'default': g[globalName], __useDefault: true });
|
|
}
|
|
|
|
// use Traceur by default
|
|
Loader.prototype.transpiler = 'traceur';
|
|
|
|
Loader.prototype.transpile = function(load) {
|
|
var self = this;
|
|
|
|
// pick up Transpiler modules from existing globals on first run if set
|
|
if (!self.transpilerHasRun) {
|
|
if (g.traceur && !self.has('traceur'))
|
|
self.set('traceur', getTranspilerModule(self, 'traceur'));
|
|
if (g.babel && !self.has('babel'))
|
|
self.set('babel', getTranspilerModule(self, 'babel'));
|
|
self.transpilerHasRun = true;
|
|
}
|
|
|
|
return self['import'](self.transpiler).then(function(transpiler) {
|
|
if (transpiler.__useDefault)
|
|
transpiler = transpiler['default'];
|
|
return 'var __moduleAddress = "' + load.address + '";' + (transpiler.Compiler ? traceurTranspile : babelTranspile).call(self, load, transpiler);
|
|
});
|
|
};
|
|
|
|
Loader.prototype.instantiate = function(load) {
|
|
var self = this;
|
|
return Promise.resolve(self.normalize(self.transpiler))
|
|
.then(function(transpilerNormalized) {
|
|
// load transpiler as a global (avoiding System clobbering)
|
|
if (load.name === transpilerNormalized) {
|
|
return {
|
|
deps: [],
|
|
execute: function() {
|
|
var curSystem = g.System;
|
|
var curLoader = g.Reflect.Loader;
|
|
// ensure not detected as CommonJS
|
|
__eval('(function(require,exports,module){' + load.source + '})();', g, load);
|
|
g.System = curSystem;
|
|
g.Reflect.Loader = curLoader;
|
|
return getTranspilerModule(self, load.name);
|
|
}
|
|
};
|
|
}
|
|
});
|
|
};
|
|
|
|
function traceurTranspile(load, traceur) {
|
|
var options = this.traceurOptions || {};
|
|
options.modules = 'instantiate';
|
|
options.script = false;
|
|
options.sourceMaps = 'inline';
|
|
options.filename = load.address;
|
|
options.inputSourceMap = load.metadata.sourceMap;
|
|
options.moduleName = false;
|
|
|
|
var compiler = new traceur.Compiler(options);
|
|
var source = doTraceurCompile(load.source, compiler, options.filename);
|
|
|
|
// add "!eval" to end of Traceur sourceURL
|
|
// I believe this does something?
|
|
return source + '\n//# sourceURL=' + load.address + '!eval';
|
|
}
|
|
function doTraceurCompile(source, compiler, filename) {
|
|
try {
|
|
return compiler.compile(source, filename);
|
|
}
|
|
catch(e) {
|
|
// traceur throws an error array
|
|
throw e[0];
|
|
}
|
|
}
|
|
|
|
function babelTranspile(load, babel) {
|
|
var options = this.babelOptions || {};
|
|
options.modules = 'system';
|
|
options.sourceMap = 'inline';
|
|
options.filename = load.address;
|
|
options.code = true;
|
|
options.ast = false;
|
|
|
|
if (!options.blacklist)
|
|
options.blacklist = ['react'];
|
|
|
|
var source = babel.transform(load.source, options).code;
|
|
|
|
// add "!eval" to end of Babel sourceURL
|
|
// I believe this does something?
|
|
return source + '\n//# sourceURL=' + load.address + '!eval';
|
|
}
|
|
|
|
|
|
})(__global.LoaderPolyfill);
|
|
/*
|
|
*********************************************************************************************
|
|
|
|
System Loader Implementation
|
|
|
|
- Implemented to https://github.com/jorendorff/js-loaders/blob/master/browser-loader.js
|
|
|
|
- <script type="module"> supported
|
|
|
|
*********************************************************************************************
|
|
*/
|
|
|
|
|
|
|
|
(function() {
|
|
var isBrowser = typeof window != 'undefined' && typeof document != 'undefined';
|
|
var isWindows = typeof process != 'undefined' && !!process.platform.match(/^win/);
|
|
var Promise = __global.Promise || require('when/es6-shim/Promise');
|
|
|
|
// Helpers
|
|
// Absolute URL parsing, from https://gist.github.com/Yaffle/1088850
|
|
function parseURI(url) {
|
|
var m = String(url).replace(/^\s+|\s+$/g, '').match(/^([^:\/?#]+:)?(\/\/(?:[^:@\/?#]*(?::[^:@\/?#]*)?@)?(([^:\/?#]*)(?::(\d*))?))?([^?#]*)(\?[^#]*)?(#[\s\S]*)?/);
|
|
// authority = '//' + user + ':' + pass '@' + hostname + ':' port
|
|
return (m ? {
|
|
href : m[0] || '',
|
|
protocol : m[1] || '',
|
|
authority: m[2] || '',
|
|
host : m[3] || '',
|
|
hostname : m[4] || '',
|
|
port : m[5] || '',
|
|
pathname : m[6] || '',
|
|
search : m[7] || '',
|
|
hash : m[8] || ''
|
|
} : null);
|
|
}
|
|
|
|
function removeDotSegments(input) {
|
|
var output = [];
|
|
input.replace(/^(\.\.?(\/|$))+/, '')
|
|
.replace(/\/(\.(\/|$))+/g, '/')
|
|
.replace(/\/\.\.$/, '/../')
|
|
.replace(/\/?[^\/]*/g, function (p) {
|
|
if (p === '/..')
|
|
output.pop();
|
|
else
|
|
output.push(p);
|
|
});
|
|
return output.join('').replace(/^\//, input.charAt(0) === '/' ? '/' : '');
|
|
}
|
|
|
|
function toAbsoluteURL(base, href) {
|
|
|
|
if (isWindows)
|
|
href = href.replace(/\\/g, '/');
|
|
|
|
href = parseURI(href || '');
|
|
base = parseURI(base || '');
|
|
|
|
return !href || !base ? null : (href.protocol || base.protocol) +
|
|
(href.protocol || href.authority ? href.authority : base.authority) +
|
|
removeDotSegments(href.protocol || href.authority || href.pathname.charAt(0) === '/' ? href.pathname : (href.pathname ? ((base.authority && !base.pathname ? '/' : '') + base.pathname.slice(0, base.pathname.lastIndexOf('/') + 1) + href.pathname) : base.pathname)) +
|
|
(href.protocol || href.authority || href.pathname ? href.search : (href.search || base.search)) +
|
|
href.hash;
|
|
}
|
|
|
|
var fetchTextFromURL;
|
|
|
|
if (typeof XMLHttpRequest != 'undefined') {
|
|
fetchTextFromURL = function(url, fulfill, reject) {
|
|
var xhr = new XMLHttpRequest();
|
|
var sameDomain = true;
|
|
var doTimeout = false;
|
|
if (!('withCredentials' in xhr)) {
|
|
// check if same domain
|
|
var domainCheck = /^(\w+:)?\/\/([^\/]+)/.exec(url);
|
|
if (domainCheck) {
|
|
sameDomain = domainCheck[2] === window.location.host;
|
|
if (domainCheck[1])
|
|
sameDomain &= domainCheck[1] === window.location.protocol;
|
|
}
|
|
}
|
|
if (!sameDomain && typeof XDomainRequest != 'undefined') {
|
|
xhr = new XDomainRequest();
|
|
xhr.onload = load;
|
|
xhr.onerror = error;
|
|
xhr.ontimeout = error;
|
|
xhr.onprogress = function() {};
|
|
xhr.timeout = 0;
|
|
doTimeout = true;
|
|
}
|
|
function load() {
|
|
fulfill(xhr.responseText);
|
|
}
|
|
function error() {
|
|
reject(xhr.statusText + ': ' + url || 'XHR error');
|
|
}
|
|
|
|
xhr.onreadystatechange = function () {
|
|
if (xhr.readyState === 4) {
|
|
if (xhr.status === 200 || (xhr.status == 0 && xhr.responseText)) {
|
|
load();
|
|
} else {
|
|
error();
|
|
}
|
|
}
|
|
};
|
|
xhr.open("GET", url, true);
|
|
|
|
if (doTimeout)
|
|
setTimeout(function() {
|
|
xhr.send();
|
|
}, 0);
|
|
|
|
xhr.send(null);
|
|
}
|
|
}
|
|
else if (typeof require != 'undefined') {
|
|
var fs;
|
|
fetchTextFromURL = function(url, fulfill, reject) {
|
|
if (url.substr(0, 5) != 'file:')
|
|
throw 'Only file URLs of the form file: allowed running in Node.';
|
|
fs = fs || require('fs');
|
|
url = url.substr(5);
|
|
if (isWindows)
|
|
url = url.replace(/\//g, '\\');
|
|
return fs.readFile(url, function(err, data) {
|
|
if (err)
|
|
return reject(err);
|
|
else
|
|
fulfill(data + '');
|
|
});
|
|
}
|
|
}
|
|
else {
|
|
throw new TypeError('No environment fetch API available.');
|
|
}
|
|
|
|
var SystemLoader = function($__super) {
|
|
function SystemLoader(options) {
|
|
$__super.call(this, options || {});
|
|
|
|
// Set default baseURL and paths
|
|
if (typeof location != 'undefined' && location.href) {
|
|
var href = __global.location.href.split('#')[0].split('?')[0];
|
|
this.baseURL = href.substring(0, href.lastIndexOf('/') + 1);
|
|
}
|
|
else if (typeof process != 'undefined' && process.cwd) {
|
|
this.baseURL = 'file:' + process.cwd() + '/';
|
|
if (isWindows)
|
|
this.baseURL = this.baseURL.replace(/\\/g, '/');
|
|
}
|
|
else {
|
|
throw new TypeError('No environment baseURL');
|
|
}
|
|
this.paths = { '*': '*.js' };
|
|
}
|
|
|
|
SystemLoader.__proto__ = ($__super !== null ? $__super : Function.prototype);
|
|
SystemLoader.prototype = $__Object$create(($__super !== null ? $__super.prototype : null));
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "constructor", {
|
|
value: SystemLoader
|
|
});
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "global", {
|
|
get: function() {
|
|
return __global;
|
|
},
|
|
|
|
enumerable: false
|
|
});
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "strict", {
|
|
get: function() { return true; },
|
|
enumerable: false
|
|
});
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "normalize", {
|
|
value: function(name, parentName, parentAddress) {
|
|
if (typeof name != 'string')
|
|
throw new TypeError('Module name must be a string');
|
|
|
|
var segments = name.split('/');
|
|
|
|
if (segments.length == 0)
|
|
throw new TypeError('No module name provided');
|
|
|
|
// current segment
|
|
var i = 0;
|
|
// is the module name relative
|
|
var rel = false;
|
|
// number of backtracking segments
|
|
var dotdots = 0;
|
|
if (segments[0] == '.') {
|
|
i++;
|
|
if (i == segments.length)
|
|
throw new TypeError('Illegal module name "' + name + '"');
|
|
rel = true;
|
|
}
|
|
else {
|
|
while (segments[i] == '..') {
|
|
i++;
|
|
if (i == segments.length)
|
|
throw new TypeError('Illegal module name "' + name + '"');
|
|
}
|
|
if (i)
|
|
rel = true;
|
|
dotdots = i;
|
|
}
|
|
|
|
for (var j = i; j < segments.length; j++) {
|
|
var segment = segments[j];
|
|
if (segment == '' || segment == '.' || segment == '..')
|
|
throw new TypeError('Illegal module name "' + name + '"');
|
|
}
|
|
|
|
if (!rel)
|
|
return name;
|
|
|
|
// build the full module name
|
|
var normalizedParts = [];
|
|
var parentParts = (parentName || '').split('/');
|
|
var normalizedLen = parentParts.length - 1 - dotdots;
|
|
|
|
normalizedParts = normalizedParts.concat(parentParts.splice(0, parentParts.length - 1 - dotdots));
|
|
normalizedParts = normalizedParts.concat(segments.splice(i, segments.length - i));
|
|
|
|
return normalizedParts.join('/');
|
|
},
|
|
|
|
enumerable: false,
|
|
writable: true
|
|
});
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "locate", {
|
|
value: function(load) {
|
|
var name = load.name;
|
|
|
|
// NB no specification provided for System.paths, used ideas discussed in https://github.com/jorendorff/js-loaders/issues/25
|
|
|
|
// most specific (longest) match wins
|
|
var pathMatch = '', wildcard;
|
|
|
|
// check to see if we have a paths entry
|
|
for (var p in this.paths) {
|
|
var pathParts = p.split('*');
|
|
if (pathParts.length > 2)
|
|
throw new TypeError('Only one wildcard in a path is permitted');
|
|
|
|
// exact path match
|
|
if (pathParts.length == 1) {
|
|
if (name == p && p.length > pathMatch.length) {
|
|
pathMatch = p;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// wildcard path match
|
|
else {
|
|
if (name.substr(0, pathParts[0].length) == pathParts[0] && name.substr(name.length - pathParts[1].length) == pathParts[1]) {
|
|
pathMatch = p;
|
|
wildcard = name.substr(pathParts[0].length, name.length - pathParts[1].length - pathParts[0].length);
|
|
}
|
|
}
|
|
}
|
|
|
|
var outPath = this.paths[pathMatch];
|
|
if (wildcard)
|
|
outPath = outPath.replace('*', wildcard);
|
|
|
|
// percent encode just '#' in module names
|
|
// according to https://github.com/jorendorff/js-loaders/blob/master/browser-loader.js#L238
|
|
// we should encode everything, but it breaks for servers that don't expect it
|
|
// like in (https://github.com/systemjs/systemjs/issues/168)
|
|
if (isBrowser)
|
|
outPath = outPath.replace(/#/g, '%23');
|
|
|
|
return toAbsoluteURL(this.baseURL, outPath);
|
|
},
|
|
|
|
enumerable: false,
|
|
writable: true
|
|
});
|
|
|
|
$__Object$defineProperty(SystemLoader.prototype, "fetch", {
|
|
value: function(load) {
|
|
var self = this;
|
|
return new Promise(function(resolve, reject) {
|
|
fetchTextFromURL(toAbsoluteURL(self.baseURL, load.address), function(source) {
|
|
resolve(source);
|
|
}, reject);
|
|
});
|
|
},
|
|
|
|
enumerable: false,
|
|
writable: true
|
|
});
|
|
|
|
return SystemLoader;
|
|
}(__global.LoaderPolyfill);
|
|
|
|
var System = new SystemLoader();
|
|
|
|
// note we have to export before runing "init" below
|
|
if (typeof exports === 'object')
|
|
module.exports = System;
|
|
|
|
__global.System = System;
|
|
|
|
// <script type="module"> support
|
|
// allow a data-init function callback once loaded
|
|
if (isBrowser && document.getElementsByTagName) {
|
|
var curScript = document.getElementsByTagName('script');
|
|
curScript = curScript[curScript.length - 1];
|
|
|
|
function completed() {
|
|
document.removeEventListener( "DOMContentLoaded", completed, false );
|
|
window.removeEventListener( "load", completed, false );
|
|
ready();
|
|
}
|
|
|
|
function ready() {
|
|
var scripts = document.getElementsByTagName('script');
|
|
for (var i = 0; i < scripts.length; i++) {
|
|
var script = scripts[i];
|
|
if (script.type == 'module') {
|
|
var source = script.innerHTML.substr(1);
|
|
// It is important to reference the global System, rather than the one
|
|
// in our closure. We want to ensure that downstream users/libraries
|
|
// can override System w/ custom behavior.
|
|
__global.System.module(source)['catch'](function(err) { setTimeout(function() { throw err; }); });
|
|
}
|
|
}
|
|
}
|
|
|
|
// DOM ready, taken from https://github.com/jquery/jquery/blob/master/src/core/ready.js#L63
|
|
if (document.readyState === 'complete') {
|
|
setTimeout(ready);
|
|
}
|
|
else if (document.addEventListener) {
|
|
document.addEventListener('DOMContentLoaded', completed, false);
|
|
window.addEventListener('load', completed, false);
|
|
}
|
|
|
|
// run the data-init function on the script tag
|
|
if (curScript.getAttribute('data-init'))
|
|
window[curScript.getAttribute('data-init')]();
|
|
}
|
|
})();
|
|
|
|
|
|
// Define our eval outside of the scope of any other reference defined in this
|
|
// file to avoid adding those references to the evaluation scope.
|
|
function __eval(__source, __global, __load) {
|
|
try {
|
|
eval('(function() { var __moduleName = "' + (__load.name || '').replace('"', '\"') + '"; ' + __source + ' \n }).call(__global);');
|
|
}
|
|
catch(e) {
|
|
if (e.name == 'SyntaxError' || e.name == 'TypeError')
|
|
e.message = 'Evaluating ' + (__load.name || load.address) + '\n\t' + e.message;
|
|
throw e;
|
|
}
|
|
}
|
|
|
|
})(typeof window != 'undefined' ? window : (typeof global != 'undefined' ? global : self));
|