@reactivex/rxjs

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class="source-code line-number raw-source-code"><code class="prettyprint linenums" data-ice="content">import { tryCatch } from '../util/tryCatch'; import { errorObject } from '../util/errorObject'; import { OuterSubscriber } from '../OuterSubscriber'; import { subscribeToResult } from '../util/subscribeToResult'; /* tslint:disable:max-line-length */ export function expand(project, concurrent, scheduler) { if (concurrent === void 0) { concurrent = Number.POSITIVE_INFINITY; } if (scheduler === void 0) { scheduler = undefined; } concurrent = (concurrent || 0) < 1 ? Number.POSITIVE_INFINITY : concurrent; return this.lift(new ExpandOperator(project, concurrent, scheduler)); } export var ExpandOperator = (function () { function ExpandOperator(project, concurrent, scheduler) { this.project = project; this.concurrent = concurrent; this.scheduler = scheduler; } ExpandOperator.prototype.call = function (subscriber, source) { return source._subscribe(new ExpandSubscriber(subscriber, this.project, this.concurrent, this.scheduler)); }; return ExpandOperator; }()); /** * We need this JSDoc comment for affecting ESDoc. * @ignore * @extends {Ignored} */ export var ExpandSubscriber = (function (_super) { __extends(ExpandSubscriber, _super); function ExpandSubscriber(destination, project, concurrent, scheduler) { _super.call(this, destination); this.project = project; this.concurrent = concurrent; this.scheduler = scheduler; this.index = 0; this.active = 0; this.hasCompleted = false; if (concurrent < Number.POSITIVE_INFINITY) { this.buffer = []; } } ExpandSubscriber.dispatch = function (arg) { var subscriber = arg.subscriber, result = arg.result, value = arg.value, index = arg.index; subscriber.subscribeToProjection(result, value, index); }; ExpandSubscriber.prototype._next = function (value) { var destination = this.destination; if (destination.closed) { this._complete(); return; } var index = this.index++; if (this.active < this.concurrent) { destination.next(value); var result = tryCatch(this.project)(value, index); if (result === errorObject) { destination.error(errorObject.e); } else if (!this.scheduler) { this.subscribeToProjection(result, value, index); } else { var state = { subscriber: this, result: result, value: value, index: index }; this.add(this.scheduler.schedule(ExpandSubscriber.dispatch, 0, state)); } } else { this.buffer.push(value); } }; ExpandSubscriber.prototype.subscribeToProjection = function (result, value, index) { this.active++; this.add(subscribeToResult(this, result, value, index)); }; ExpandSubscriber.prototype._complete = function () { this.hasCompleted = true; if (this.hasCompleted && this.active === 0) { this.destination.complete(); } }; ExpandSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) { this._next(innerValue); }; ExpandSubscriber.prototype.notifyComplete = function (innerSub) { var buffer = this.buffer; this.remove(innerSub); this.active--; if (buffer && buffer.length > 0) { this._next(buffer.shift()); } if (this.hasCompleted && this.active === 0) { this.destination.complete(); } }; return ExpandSubscriber; }(OuterSubscriber)); //# sourceMappingURL=expand.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>