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72 lines
2.4 KiB
72 lines
2.4 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 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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