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61 lines
2.3 KiB
61 lines
2.3 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 Observable_1 = require('../Observable'); |
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var subscribeToResult_1 = require('../util/subscribeToResult'); |
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var OuterSubscriber_1 = require('../OuterSubscriber'); |
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/** |
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* We need this JSDoc comment for affecting ESDoc. |
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* @extends {Ignored} |
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* @hide true |
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*/ |
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var IfObservable = (function (_super) { |
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__extends(IfObservable, _super); |
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function IfObservable(condition, thenSource, elseSource) { |
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_super.call(this); |
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this.condition = condition; |
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this.thenSource = thenSource; |
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this.elseSource = elseSource; |
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} |
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IfObservable.create = function (condition, thenSource, elseSource) { |
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return new IfObservable(condition, thenSource, elseSource); |
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}; |
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/** @deprecated internal use only */ IfObservable.prototype._subscribe = function (subscriber) { |
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var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource; |
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return new IfSubscriber(subscriber, condition, thenSource, elseSource); |
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}; |
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return IfObservable; |
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}(Observable_1.Observable)); |
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exports.IfObservable = IfObservable; |
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var IfSubscriber = (function (_super) { |
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__extends(IfSubscriber, _super); |
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function IfSubscriber(destination, condition, thenSource, elseSource) { |
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_super.call(this, destination); |
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this.condition = condition; |
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this.thenSource = thenSource; |
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this.elseSource = elseSource; |
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this.tryIf(); |
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} |
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IfSubscriber.prototype.tryIf = function () { |
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var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource; |
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var result; |
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try { |
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result = condition(); |
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var source = result ? thenSource : elseSource; |
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if (source) { |
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this.add(subscribeToResult_1.subscribeToResult(this, source)); |
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} |
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else { |
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this._complete(); |
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} |
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} |
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catch (err) { |
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this._error(err); |
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} |
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}; |
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return IfSubscriber; |
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}(OuterSubscriber_1.OuterSubscriber)); |
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//# sourceMappingURL=IfObservable.js.map
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