123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172 |
- "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 Subscriber_1 = require('../Subscriber');
- var EmptyObservable_1 = require('../observable/EmptyObservable');
- /**
- * Returns an Observable that repeats the stream of items emitted by the source Observable at most count times.
- *
- * <img src="./img/repeat.png" width="100%">
- *
- * @param {number} [count] The number of times the source Observable items are repeated, a count of 0 will yield
- * an empty Observable.
- * @return {Observable} An Observable that repeats the stream of items emitted by the source Observable at most
- * count times.
- * @method repeat
- * @owner Observable
- */
- function repeat(count) {
- if (count === void 0) { count = -1; }
- return function (source) {
- if (count === 0) {
- return new EmptyObservable_1.EmptyObservable();
- }
- else if (count < 0) {
- return source.lift(new RepeatOperator(-1, source));
- }
- else {
- return source.lift(new RepeatOperator(count - 1, source));
- }
- };
- }
- exports.repeat = repeat;
- var RepeatOperator = (function () {
- function RepeatOperator(count, source) {
- this.count = count;
- this.source = source;
- }
- RepeatOperator.prototype.call = function (subscriber, source) {
- return source.subscribe(new RepeatSubscriber(subscriber, this.count, this.source));
- };
- return RepeatOperator;
- }());
- /**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
- var RepeatSubscriber = (function (_super) {
- __extends(RepeatSubscriber, _super);
- function RepeatSubscriber(destination, count, source) {
- _super.call(this, destination);
- this.count = count;
- this.source = source;
- }
- RepeatSubscriber.prototype.complete = function () {
- if (!this.isStopped) {
- var _a = this, source = _a.source, count = _a.count;
- if (count === 0) {
- return _super.prototype.complete.call(this);
- }
- else if (count > -1) {
- this.count = count - 1;
- }
- source.subscribe(this._unsubscribeAndRecycle());
- }
- };
- return RepeatSubscriber;
- }(Subscriber_1.Subscriber));
- //# sourceMappingURL=repeat.js.map
|