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data-ice="title">es6/observable/ForkJoinObservable.js</h1> <pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import { Observable } from '../Observable'; import { EmptyObservable } from './EmptyObservable'; import { isArray } from '../util/isArray'; import { subscribeToResult } from '../util/subscribeToResult'; import { OuterSubscriber } from '../OuterSubscriber'; /** * We need this JSDoc comment for affecting ESDoc. * @extends {Ignored} * @hide true */ export var ForkJoinObservable = (function (_super) { __extends(ForkJoinObservable, _super); function ForkJoinObservable(sources, resultSelector) { _super.call(this); this.sources = sources; this.resultSelector = resultSelector; } /* tslint:enable:max-line-length */ /** * @param sources * @return {any} * @static true * @name forkJoin * @owner Observable */ ForkJoinObservable.create = function () { var sources = []; for (var _i = 0; _i < arguments.length; _i++) { sources[_i - 0] = arguments[_i]; } if (sources === null || arguments.length === 0) { return new EmptyObservable(); } var resultSelector = null; if (typeof sources[sources.length - 1] === 'function') { resultSelector = sources.pop(); } // if the first and only other argument besides the resultSelector is an array // assume it's been called with `forkJoin([obs1, obs2, obs3], resultSelector)` if (sources.length === 1 && isArray(sources[0])) { sources = sources[0]; } if (sources.length === 0) { return new EmptyObservable(); } return new ForkJoinObservable(sources, resultSelector); }; ForkJoinObservable.prototype._subscribe = function (subscriber) { return new ForkJoinSubscriber(subscriber, this.sources, this.resultSelector); }; return ForkJoinObservable; }(Observable)); /** * We need this JSDoc comment for affecting ESDoc. * @ignore * @extends {Ignored} */ var ForkJoinSubscriber = (function (_super) { __extends(ForkJoinSubscriber, _super); function ForkJoinSubscriber(destination, sources, resultSelector) { _super.call(this, destination); this.sources = sources; this.resultSelector = resultSelector; this.completed = 0; this.haveValues = 0; var len = sources.length; this.total = len; this.values = new Array(len); for (var i = 0; i < len; i++) { var source = sources[i]; var innerSubscription = subscribeToResult(this, source, null, i); if (innerSubscription) { innerSubscription.outerIndex = i; this.add(innerSubscription); } } } ForkJoinSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { this.values[outerIndex] = innerValue; if (!innerSub._hasValue) { innerSub._hasValue = true; this.haveValues++; } }; ForkJoinSubscriber.prototype.notifyComplete = function (innerSub) { var destination = this.destination; var _a = this, haveValues = _a.haveValues, resultSelector = _a.resultSelector, values = _a.values; var len = values.length; if (!innerSub._hasValue) { destination.complete(); return; } this.completed++; if (this.completed !== len) { return; } if (haveValues === len) { var value = resultSelector ? resultSelector.apply(this, values) : values; destination.next(value); } destination.complete(); }; return ForkJoinSubscriber; }(OuterSubscriber)); //# sourceMappingURL=ForkJoinObservable.js.map</code></pre> </div> <footer class="footer"> Generated by <a href="https://esdoc.org">ESDoc<span data-ice="esdocVersion">(0.4.8)</span></a> </footer> <script src="script/search_index.js"></script> <script src="script/search.js"></script> <script src="script/pretty-print.js"></script> <script src="script/inherited-summary.js"></script> <script src="script/test-summary.js"></script> <script src="script/inner-link.js"></script> <script src="script/patch-for-local.js"></script> </body> </html>