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 Observable_1 = require('../Observable');
var Subscription_1 = require('../Subscription');
var queue_1 = require('../scheduler/queue');
var PromiseObservable = (function (_super) {
__extends(PromiseObservable, _super);
function PromiseObservable(promise, scheduler) {
if (scheduler === void 0) { scheduler = queue_1.queue; }
_super.call(this);
this.promise = promise;
this.scheduler = scheduler;
this._isScalar = false;
}
PromiseObservable.create = function (promise, scheduler) {
Eif (scheduler === void 0) { scheduler = queue_1.queue; }
return new PromiseObservable(promise, scheduler);
};
PromiseObservable.prototype._subscribe = function (subscriber) {
var _this = this;
var scheduler = this.scheduler;
var promise = this.promise;
Eif (scheduler === queue_1.queue) {
if (this._isScalar) {
subscriber.next(this.value);
subscriber.complete();
}
else {
promise.then(function (value) {
_this._isScalar = true;
_this.value = value;
subscriber.next(value);
subscriber.complete();
}, function (err) { return subscriber.error(err); })
.then(null, function (err) {
// escape the promise trap, throw unhandled errors
setTimeout(function () { throw err; });
});
}
}
else {
var subscription = new Subscription_1.Subscription();
if (this._isScalar) {
var value = this.value;
subscription.add(scheduler.schedule(dispatchNext, 0, { value: value, subscriber: subscriber }));
}
else {
promise.then(function (value) {
_this._isScalar = true;
_this.value = value;
subscription.add(scheduler.schedule(dispatchNext, 0, { value: value, subscriber: subscriber }));
}, function (err) { return subscription.add(scheduler.schedule(dispatchError, 0, { err: err, subscriber: subscriber })); })
.then(null, function (err) {
// escape the promise trap, throw unhandled errors
scheduler.schedule(function () { throw err; });
});
}
return subscription;
}
};
return PromiseObservable;
})(Observable_1.Observable);
exports.PromiseObservable = PromiseObservable;
function dispatchNext(_a) {
var value = _a.value, subscriber = _a.subscriber;
subscriber.next(value);
subscriber.complete();
}
function dispatchError(_a) {
var err = _a.err, subscriber = _a.subscriber;
subscriber.error(err);
}
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