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101 lines
4.2 KiB
101 lines
4.2 KiB
2 years ago
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"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 an `error`. If the source Observable
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* calls `error`, this method will emit the Throwable that caused the error to the Observable returned from `notifier`.
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* If that Observable calls `complete` or `error` then this method will call `complete` or `error` on the child
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* subscription. Otherwise this method will resubscribe to the source Observable.
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*
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* <img src="./img/retryWhen.png" width="100%">
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*
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* @param {function(errors: Observable): Observable} notifier - Receives an Observable of notifications with which a
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* user can `complete` or `error`, aborting the retry.
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* @return {Observable} The source Observable modified with retry logic.
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* @method retryWhen
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* @owner Observable
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*/
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function retryWhen(notifier) {
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return function (source) { return source.lift(new RetryWhenOperator(notifier, source)); };
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}
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exports.retryWhen = retryWhen;
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var RetryWhenOperator = (function () {
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function RetryWhenOperator(notifier, source) {
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this.notifier = notifier;
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this.source = source;
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}
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RetryWhenOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new RetryWhenSubscriber(subscriber, this.notifier, this.source));
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};
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return RetryWhenOperator;
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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 RetryWhenSubscriber = (function (_super) {
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__extends(RetryWhenSubscriber, _super);
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function RetryWhenSubscriber(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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}
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RetryWhenSubscriber.prototype.error = function (err) {
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if (!this.isStopped) {
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var errors = this.errors;
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var retries = this.retries;
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var retriesSubscription = this.retriesSubscription;
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if (!retries) {
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errors = new Subject_1.Subject();
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retries = tryCatch_1.tryCatch(this.notifier)(errors);
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if (retries === errorObject_1.errorObject) {
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return _super.prototype.error.call(this, errorObject_1.errorObject.e);
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}
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retriesSubscription = subscribeToResult_1.subscribeToResult(this, retries);
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}
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else {
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this.errors = null;
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this.retriesSubscription = null;
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}
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this._unsubscribeAndRecycle();
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this.errors = errors;
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this.retries = retries;
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this.retriesSubscription = retriesSubscription;
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errors.next(err);
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}
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};
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/** @deprecated internal use only */ RetryWhenSubscriber.prototype._unsubscribe = function () {
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var _a = this, errors = _a.errors, retriesSubscription = _a.retriesSubscription;
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if (errors) {
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errors.unsubscribe();
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this.errors = 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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RetryWhenSubscriber.prototype.notifyNext = function (outerValue, innerValue, outerIndex, innerIndex, innerSub) {
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var _a = this, errors = _a.errors, retries = _a.retries, retriesSubscription = _a.retriesSubscription;
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this.errors = null;
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this.retries = null;
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this.retriesSubscription = null;
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this._unsubscribeAndRecycle();
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this.errors = errors;
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this.retries = retries;
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this.retriesSubscription = retriesSubscription;
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this.source.subscribe(this);
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};
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return RetryWhenSubscriber;
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}(OuterSubscriber_1.OuterSubscriber));
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//# sourceMappingURL=retryWhen.js.map
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