BehaviorSubject.js•1.26 kB
import { __extends } from "tslib";
import { Subject } from './Subject';
var BehaviorSubject = (function (_super) {
__extends(BehaviorSubject, _super);
function BehaviorSubject(_value) {
var _this = _super.call(this) || this;
_this._value = _value;
return _this;
}
Object.defineProperty(BehaviorSubject.prototype, "value", {
get: function () {
return this.getValue();
},
enumerable: false,
configurable: true
});
BehaviorSubject.prototype._subscribe = function (subscriber) {
var subscription = _super.prototype._subscribe.call(this, subscriber);
!subscription.closed && subscriber.next(this._value);
return subscription;
};
BehaviorSubject.prototype.getValue = function () {
var _a = this, hasError = _a.hasError, thrownError = _a.thrownError, _value = _a._value;
if (hasError) {
throw thrownError;
}
this._throwIfClosed();
return _value;
};
BehaviorSubject.prototype.next = function (value) {
_super.prototype.next.call(this, (this._value = value));
};
return BehaviorSubject;
}(Subject));
export { BehaviorSubject };
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