@reactivex/rxjs

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<pre class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import { ArrayObservable } from '../observable/ArrayObservable'; import { isArray } from '../util/isArray'; import { OuterSubscriber } from '../OuterSubscriber'; import { subscribeToResult } from '../util/subscribeToResult'; var none = {}; /* tslint:disable:max-line-length */ export function combineLatest() { var observables = []; for (var _i = 0; _i < arguments.length; _i++) { observables[_i - 0] = arguments[_i]; } var project = null; if (typeof observables[observables.length - 1] === 'function') { project = observables.pop(); } // if the first and only other argument besides the resultSelector is an array // assume it's been called with `combineLatest([obs1, obs2, obs3], project)` if (observables.length === 1 && isArray(observables[0])) { observables = observables[0]; } observables.unshift(this); return this.lift.call(new ArrayObservable(observables), new CombineLatestOperator(project)); } export var CombineLatestOperator = (function () { function CombineLatestOperator(project) { this.project = project; } CombineLatestOperator.prototype.call = function (subscriber, source) { return source._subscribe(new CombineLatestSubscriber(subscriber, this.project)); }; return CombineLatestOperator; }()); /** * We need this JSDoc comment for affecting ESDoc. * @ignore * @extends {Ignored} */ export var CombineLatestSubscriber = (function (_super) { __extends(CombineLatestSubscriber, _super); function CombineLatestSubscriber(destination, project) { _super.call(this, destination); this.project = project; this.active = 0; this.values = []; this.observables = []; } CombineLatestSubscriber.prototype._next = function (observable) { this.values.push(none); this.observables.push(observable); }; CombineLatestSubscriber.prototype._complete = function () { var observables = this.observables; var len = observables.length; if (len === 0) { this.destination.complete(); } else { this.active = len; this.toRespond = len; for (var i = 0; i < len; i++) { var observable = observables[i]; this.add(subscribeToResult(this, observable, observable, i)); } } }; CombineLatestSubscriber.prototype.notifyComplete = function (unused) { if ((this.active -= 1) === 0) { this.destination.complete(); } }; CombineLatestSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { var values = this.values; var oldVal = values[outerIndex]; var toRespond = !this.toRespond ? 0 : oldVal === none ? --this.toRespond : this.toRespond; values[outerIndex] = innerValue; if (toRespond === 0) { if (this.project) { this._tryProject(values); } else { this.destination.next(values.slice()); } } }; CombineLatestSubscriber.prototype._tryProject = function (values) { var result; try { result = this.project.apply(this, values); } catch (err) { this.destination.error(err); return; } this.destination.next(result); }; return CombineLatestSubscriber; }(OuterSubscriber)); //# sourceMappingURL=combineLatest.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>