72 lines
2.4 KiB
JavaScript
72 lines
2.4 KiB
JavaScript
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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 Subscriber_1 = require('../Subscriber');
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var EmptyObservable_1 = require('../observable/EmptyObservable');
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/**
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* Returns an Observable that repeats the stream of items emitted by the source Observable at most count times.
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*
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* <img src="./img/repeat.png" width="100%">
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*
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* @param {number} [count] The number of times the source Observable items are repeated, a count of 0 will yield
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* an empty Observable.
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* @return {Observable} An Observable that repeats the stream of items emitted by the source Observable at most
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* count times.
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* @method repeat
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* @owner Observable
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*/
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function repeat(count) {
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if (count === void 0) { count = -1; }
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return function (source) {
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if (count === 0) {
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return new EmptyObservable_1.EmptyObservable();
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}
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else if (count < 0) {
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return source.lift(new RepeatOperator(-1, source));
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}
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else {
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return source.lift(new RepeatOperator(count - 1, source));
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}
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};
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}
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exports.repeat = repeat;
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var RepeatOperator = (function () {
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function RepeatOperator(count, source) {
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this.count = count;
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this.source = source;
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}
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RepeatOperator.prototype.call = function (subscriber, source) {
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return source.subscribe(new RepeatSubscriber(subscriber, this.count, this.source));
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};
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return RepeatOperator;
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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 RepeatSubscriber = (function (_super) {
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__extends(RepeatSubscriber, _super);
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function RepeatSubscriber(destination, count, source) {
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_super.call(this, destination);
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this.count = count;
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this.source = source;
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}
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RepeatSubscriber.prototype.complete = function () {
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if (!this.isStopped) {
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var _a = this, source = _a.source, count = _a.count;
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if (count === 0) {
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return _super.prototype.complete.call(this);
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}
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else if (count > -1) {
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this.count = count - 1;
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}
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source.subscribe(this._unsubscribeAndRecycle());
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}
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};
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return RepeatSubscriber;
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}(Subscriber_1.Subscriber));
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//# sourceMappingURL=repeat.js.map
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