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