49 lines
1.7 KiB
JavaScript
49 lines
1.7 KiB
JavaScript
|
"use strict";
|
||
|
|
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 __());
|
||
|
|
};
|
||
|
|
var Subject_1 = require('./Subject');
|
||
|
|
var ObjectUnsubscribedError_1 = require('./util/ObjectUnsubscribedError');
|
||
|
|
/**
|
||
|
|
* @class BehaviorSubject<T>
|
||
|
|
*/
|
||
|
|
var BehaviorSubject = (function (_super) {
|
||
|
|
__extends(BehaviorSubject, _super);
|
||
|
|
function BehaviorSubject(_value) {
|
||
|
|
_super.call(this);
|
||
|
|
this._value = _value;
|
||
|
|
}
|
||
|
|
Object.defineProperty(BehaviorSubject.prototype, "value", {
|
||
|
|
get: function () {
|
||
|
|
return this.getValue();
|
||
|
|
},
|
||
|
|
enumerable: true,
|
||
|
|
configurable: true
|
||
|
|
});
|
||
|
|
/** @deprecated internal use only */ BehaviorSubject.prototype._subscribe = function (subscriber) {
|
||
|
|
var subscription = _super.prototype._subscribe.call(this, subscriber);
|
||
|
|
if (subscription && !subscription.closed) {
|
||
|
|
subscriber.next(this._value);
|
||
|
|
}
|
||
|
|
return subscription;
|
||
|
|
};
|
||
|
|
BehaviorSubject.prototype.getValue = function () {
|
||
|
|
if (this.hasError) {
|
||
|
|
throw this.thrownError;
|
||
|
|
}
|
||
|
|
else if (this.closed) {
|
||
|
|
throw new ObjectUnsubscribedError_1.ObjectUnsubscribedError();
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
return this._value;
|
||
|
|
}
|
||
|
|
};
|
||
|
|
BehaviorSubject.prototype.next = function (value) {
|
||
|
|
_super.prototype.next.call(this, this._value = value);
|
||
|
|
};
|
||
|
|
return BehaviorSubject;
|
||
|
|
}(Subject_1.Subject));
|
||
|
|
exports.BehaviorSubject = BehaviorSubject;
|
||
|
|
//# sourceMappingURL=BehaviorSubject.js.map
|