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node_modules/rxjs/_esm5/internal/Subject.js

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+/** PURE_IMPORTS_START tslib,_Observable,_Subscriber,_Subscription,_util_ObjectUnsubscribedError,_SubjectSubscription,_internal_symbol_rxSubscriber PURE_IMPORTS_END */
+import * as tslib_1 from "tslib";
+import { Observable } from './Observable';
+import { Subscriber } from './Subscriber';
+import { Subscription } from './Subscription';
+import { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';
+import { SubjectSubscription } from './SubjectSubscription';
+import { rxSubscriber as rxSubscriberSymbol } from '../internal/symbol/rxSubscriber';
+var SubjectSubscriber = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(SubjectSubscriber, _super);
+    function SubjectSubscriber(destination) {
+        var _this = _super.call(this, destination) || this;
+        _this.destination = destination;
+        return _this;
+    }
+    return SubjectSubscriber;
+}(Subscriber));
+export { SubjectSubscriber };
+var Subject = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(Subject, _super);
+    function Subject() {
+        var _this = _super.call(this) || this;
+        _this.observers = [];
+        _this.closed = false;
+        _this.isStopped = false;
+        _this.hasError = false;
+        _this.thrownError = null;
+        return _this;
+    }
+    Subject.prototype[rxSubscriberSymbol] = function () {
+        return new SubjectSubscriber(this);
+    };
+    Subject.prototype.lift = function (operator) {
+        var subject = new AnonymousSubject(this, this);
+        subject.operator = operator;
+        return subject;
+    };
+    Subject.prototype.next = function (value) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        if (!this.isStopped) {
+            var observers = this.observers;
+            var len = observers.length;
+            var copy = observers.slice();
+            for (var i = 0; i < len; i++) {
+                copy[i].next(value);
+            }
+        }
+    };
+    Subject.prototype.error = function (err) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        this.hasError = true;
+        this.thrownError = err;
+        this.isStopped = true;
+        var observers = this.observers;
+        var len = observers.length;
+        var copy = observers.slice();
+        for (var i = 0; i < len; i++) {
+            copy[i].error(err);
+        }
+        this.observers.length = 0;
+    };
+    Subject.prototype.complete = function () {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        this.isStopped = true;
+        var observers = this.observers;
+        var len = observers.length;
+        var copy = observers.slice();
+        for (var i = 0; i < len; i++) {
+            copy[i].complete();
+        }
+        this.observers.length = 0;
+    };
+    Subject.prototype.unsubscribe = function () {
+        this.isStopped = true;
+        this.closed = true;
+        this.observers = null;
+    };
+    Subject.prototype._trySubscribe = function (subscriber) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        else {
+            return _super.prototype._trySubscribe.call(this, subscriber);
+        }
+    };
+    Subject.prototype._subscribe = function (subscriber) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        else if (this.hasError) {
+            subscriber.error(this.thrownError);
+            return Subscription.EMPTY;
+        }
+        else if (this.isStopped) {
+            subscriber.complete();
+            return Subscription.EMPTY;
+        }
+        else {
+            this.observers.push(subscriber);
+            return new SubjectSubscription(this, subscriber);
+        }
+    };
+    Subject.prototype.asObservable = function () {
+        var observable = new Observable();
+        observable.source = this;
+        return observable;
+    };
+    Subject.create = function (destination, source) {
+        return new AnonymousSubject(destination, source);
+    };
+    return Subject;
+}(Observable));
+export { Subject };
+var AnonymousSubject = /*@__PURE__*/ (function (_super) {
+    tslib_1.__extends(AnonymousSubject, _super);
+    function AnonymousSubject(destination, source) {
+        var _this = _super.call(this) || this;
+        _this.destination = destination;
+        _this.source = source;
+        return _this;
+    }
+    AnonymousSubject.prototype.next = function (value) {
+        var destination = this.destination;
+        if (destination && destination.next) {
+            destination.next(value);
+        }
+    };
+    AnonymousSubject.prototype.error = function (err) {
+        var destination = this.destination;
+        if (destination && destination.error) {
+            this.destination.error(err);
+        }
+    };
+    AnonymousSubject.prototype.complete = function () {
+        var destination = this.destination;
+        if (destination && destination.complete) {
+            this.destination.complete();
+        }
+    };
+    AnonymousSubject.prototype._subscribe = function (subscriber) {
+        var source = this.source;
+        if (source) {
+            return this.source.subscribe(subscriber);
+        }
+        else {
+            return Subscription.EMPTY;
+        }
+    };
+    return AnonymousSubject;
+}(Subject));
+export { AnonymousSubject };
+//# sourceMappingURL=Subject.js.map