var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) Eif (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var OuterSubscriber_1 = require('../OuterSubscriber');
var subscribeToResult_1 = require('../util/subscribeToResult');
function switchFirst() {
return this.lift(new SwitchFirstOperator());
}
exports.switchFirst = switchFirst;
var SwitchFirstOperator = (function () {
function SwitchFirstOperator() {
}
SwitchFirstOperator.prototype.call = function (subscriber) {
return new SwitchFirstSubscriber(subscriber);
};
return SwitchFirstOperator;
})();
var SwitchFirstSubscriber = (function (_super) {
__extends(SwitchFirstSubscriber, _super);
function SwitchFirstSubscriber(destination) {
_super.call(this, destination);
this.hasSubscription = false;
this.hasCompleted = false;
}
SwitchFirstSubscriber.prototype._next = function (value) {
if (!this.hasSubscription) {
this.hasSubscription = true;
this.add(subscribeToResult_1.subscribeToResult(this, value));
}
};
SwitchFirstSubscriber.prototype._complete = function () {
this.hasCompleted = true;
if (!this.hasSubscription) {
this.destination.complete();
}
};
SwitchFirstSubscriber.prototype.notifyNext = function (outerValue, innerValue) {
this.destination.next(innerValue);
};
SwitchFirstSubscriber.prototype.notifyError = function (err) {
this.destination.error(err);
};
SwitchFirstSubscriber.prototype.notifyComplete = function (innerSub) {
this.remove(innerSub);
this.hasSubscription = false;
if (this.hasCompleted) {
this.destination.complete();
}
};
return SwitchFirstSubscriber;
})(OuterSubscriber_1.OuterSubscriber);
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