63 lines
2.4 KiB
JavaScript
63 lines
2.4 KiB
JavaScript
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/** PURE_IMPORTS_START .._Observable,.._util_subscribeToResult,.._OuterSubscriber PURE_IMPORTS_END */
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var __extends = (this && this.__extends) || function (d, b) {
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for (var p in b)
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if (b.hasOwnProperty(p))
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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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import { Observable } from '../Observable';
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import { subscribeToResult } from '../util/subscribeToResult';
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import { OuterSubscriber } from '../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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export var IfObservable = /*@__PURE__*/ (/*@__PURE__*/ 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));
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var IfSubscriber = /*@__PURE__*/ (/*@__PURE__*/ 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(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));
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//# sourceMappingURL=IfObservable.js.map
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