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- "use strict";
- var __extends = (this && this.__extends) || function (d, b) {
- for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
- function __() { this.constructor = d; }
- d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
- };
- var Subject_1 = require('../Subject');
- var tryCatch_1 = require('../util/tryCatch');
- var errorObject_1 = require('../util/errorObject');
- var OuterSubscriber_1 = require('../OuterSubscriber');
- var subscribeToResult_1 = require('../util/subscribeToResult');
- /**
- * Returns an Observable that mirrors the source Observable with the exception of a `complete`. If the source
- * Observable calls `complete`, this method will emit to the Observable returned from `notifier`. If that Observable
- * calls `complete` or `error`, then this method will call `complete` or `error` on the child subscription. Otherwise
- * this method will resubscribe to the source Observable.
- *
- * <img src="./img/repeatWhen.png" width="100%">
- *
- * @param {function(notifications: Observable): Observable} notifier - Receives an Observable of notifications with
- * which a user can `complete` or `error`, aborting the repetition.
- * @return {Observable} The source Observable modified with repeat logic.
- * @method repeatWhen
- * @owner Observable
- */
- function repeatWhen(notifier) {
- return function (source) { return source.lift(new RepeatWhenOperator(notifier)); };
- }
- exports.repeatWhen = repeatWhen;
- var RepeatWhenOperator = (function () {
- function RepeatWhenOperator(notifier) {
- this.notifier = notifier;
- }
- RepeatWhenOperator.prototype.call = function (subscriber, source) {
- return source.subscribe(new RepeatWhenSubscriber(subscriber, this.notifier, source));
- };
- return RepeatWhenOperator;
- }());
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- var RepeatWhenSubscriber = (function (_super) {
- __extends(RepeatWhenSubscriber, _super);
- function RepeatWhenSubscriber(destination, notifier, source) {
- _super.call(this, destination);
- this.notifier = notifier;
- this.source = source;
- this.sourceIsBeingSubscribedTo = true;
- }
- RepeatWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
- this.sourceIsBeingSubscribedTo = true;
- this.source.subscribe(this);
- };
- RepeatWhenSubscriber.prototype.notifyComplete = function (innerSub) {
- if (this.sourceIsBeingSubscribedTo === false) {
- return _super.prototype.complete.call(this);
- }
- };
- RepeatWhenSubscriber.prototype.complete = function () {
- this.sourceIsBeingSubscribedTo = false;
- if (!this.isStopped) {
- if (!this.retries) {
- this.subscribeToRetries();
- }
- if (!this.retriesSubscription || this.retriesSubscription.closed) {
- return _super.prototype.complete.call(this);
- }
- this._unsubscribeAndRecycle();
- this.notifications.next();
- }
- };
- /** @deprecated internal use only */ RepeatWhenSubscriber.prototype._unsubscribe = function () {
- var _a = this, notifications = _a.notifications, retriesSubscription = _a.retriesSubscription;
- if (notifications) {
- notifications.unsubscribe();
- this.notifications = null;
- }
- if (retriesSubscription) {
- retriesSubscription.unsubscribe();
- this.retriesSubscription = null;
- }
- this.retries = null;
- };
- /** @deprecated internal use only */ RepeatWhenSubscriber.prototype._unsubscribeAndRecycle = function () {
- var _a = this, notifications = _a.notifications, retries = _a.retries, retriesSubscription = _a.retriesSubscription;
- this.notifications = null;
- this.retries = null;
- this.retriesSubscription = null;
- _super.prototype._unsubscribeAndRecycle.call(this);
- this.notifications = notifications;
- this.retries = retries;
- this.retriesSubscription = retriesSubscription;
- return this;
- };
- RepeatWhenSubscriber.prototype.subscribeToRetries = function () {
- this.notifications = new Subject_1.Subject();
- var retries = tryCatch_1.tryCatch(this.notifier)(this.notifications);
- if (retries === errorObject_1.errorObject) {
- return _super.prototype.complete.call(this);
- }
- this.retries = retries;
- this.retriesSubscription = subscribeToResult_1.subscribeToResult(this, retries);
- };
- return RepeatWhenSubscriber;
- }(OuterSubscriber_1.OuterSubscriber));
- //# sourceMappingURL=repeatWhen.js.map
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