Shared-Travel-Map-Front-End/node_modules/rxjs/_esm5/observable/IfObservable.js

/** PURE_IMPORTS_START .._Observable,.._util_subscribeToResult,.._OuterSubscriber PURE_IMPORTS_END */
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 __());
};
import { Observable } from '../Observable';
import { subscribeToResult } from '../util/subscribeToResult';
import { OuterSubscriber } from '../OuterSubscriber';
/**
 * We need this JSDoc comment for affecting ESDoc.
 * @extends {Ignored}
 * @hide true
 */
export var IfObservable = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
    __extends(IfObservable, _super);
    function IfObservable(condition, thenSource, elseSource) {
        _super.call(this);
        this.condition = condition;
        this.thenSource = thenSource;
        this.elseSource = elseSource;
    }
    IfObservable.create = function (condition, thenSource, elseSource) {
        return new IfObservable(condition, thenSource, elseSource);
    };
    /** @deprecated internal use only */ IfObservable.prototype._subscribe = function (subscriber) {
        var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource;
        return new IfSubscriber(subscriber, condition, thenSource, elseSource);
    };
    return IfObservable;
}(Observable));
var IfSubscriber = /*@__PURE__*/ (/*@__PURE__*/ function (_super) {
    __extends(IfSubscriber, _super);
    function IfSubscriber(destination, condition, thenSource, elseSource) {
        _super.call(this, destination);
        this.condition = condition;
        this.thenSource = thenSource;
        this.elseSource = elseSource;
        this.tryIf();
    }
    IfSubscriber.prototype.tryIf = function () {
        var _a = this, condition = _a.condition, thenSource = _a.thenSource, elseSource = _a.elseSource;
        var result;
        try {
            result = condition();
            var source = result ? thenSource : elseSource;
            if (source) {
                this.add(subscribeToResult(this, source));
            }
            else {
                this._complete();
            }
        }
        catch (err) {
            this._error(err);
        }
    };
    return IfSubscriber;
}(OuterSubscriber));
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