| /** PURE_IMPORTS_START .._Subject,.._util_tryCatch,.._util_errorObject,.._OuterSubscriber,.._util_subscribeToResult PURE_IMPORTS_END */ |
| 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 __()); |
| }; |
| import { Subject } from '../Subject'; |
| import { tryCatch } from '../util/tryCatch'; |
| import { errorObject } from '../util/errorObject'; |
| import { OuterSubscriber } from '../OuterSubscriber'; |
| import { subscribeToResult } from '../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 |
| */ |
| export function repeatWhen(notifier) { |
| return function (source) { return source.lift(new RepeatWhenOperator(notifier)); }; |
| } |
| var RepeatWhenOperator = /*@__PURE__*/ (/*@__PURE__*/ 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 = /*@__PURE__*/ (/*@__PURE__*/ 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(); |
| } |
| else if (this.retriesSubscription.closed) { |
| return _super.prototype.complete.call(this); |
| } |
| this._unsubscribeAndRecycle(); |
| this.notifications.next(); |
| } |
| }; |
| 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; |
| }; |
| 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(); |
| var retries = tryCatch(this.notifier)(this.notifications); |
| if (retries === errorObject) { |
| return _super.prototype.complete.call(this); |
| } |
| this.retries = retries; |
| this.retriesSubscription = subscribeToResult(this, retries); |
| }; |
| return RepeatWhenSubscriber; |
| }(OuterSubscriber)); |
| //# sourceMappingURL=repeatWhen.js.map |