feat: initial commit

node_modules/rxjs/_esm2015/internal/Subject.js

@@ -0,0 +1,144 @@
+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';
+export class SubjectSubscriber extends Subscriber {
+    constructor(destination) {
+        super(destination);
+        this.destination = destination;
+    }
+}
+export class Subject extends Observable {
+    constructor() {
+        super();
+        this.observers = [];
+        this.closed = false;
+        this.isStopped = false;
+        this.hasError = false;
+        this.thrownError = null;
+    }
+    [rxSubscriberSymbol]() {
+        return new SubjectSubscriber(this);
+    }
+    lift(operator) {
+        const subject = new AnonymousSubject(this, this);
+        subject.operator = operator;
+        return subject;
+    }
+    next(value) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        if (!this.isStopped) {
+            const { observers } = this;
+            const len = observers.length;
+            const copy = observers.slice();
+            for (let i = 0; i < len; i++) {
+                copy[i].next(value);
+            }
+        }
+    }
+    error(err) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        this.hasError = true;
+        this.thrownError = err;
+        this.isStopped = true;
+        const { observers } = this;
+        const len = observers.length;
+        const copy = observers.slice();
+        for (let i = 0; i < len; i++) {
+            copy[i].error(err);
+        }
+        this.observers.length = 0;
+    }
+    complete() {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        this.isStopped = true;
+        const { observers } = this;
+        const len = observers.length;
+        const copy = observers.slice();
+        for (let i = 0; i < len; i++) {
+            copy[i].complete();
+        }
+        this.observers.length = 0;
+    }
+    unsubscribe() {
+        this.isStopped = true;
+        this.closed = true;
+        this.observers = null;
+    }
+    _trySubscribe(subscriber) {
+        if (this.closed) {
+            throw new ObjectUnsubscribedError();
+        }
+        else {
+            return super._trySubscribe(subscriber);
+        }
+    }
+    _subscribe(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);
+        }
+    }
+    asObservable() {
+        const observable = new Observable();
+        observable.source = this;
+        return observable;
+    }
+}
+Subject.create = (destination, source) => {
+    return new AnonymousSubject(destination, source);
+};
+export class AnonymousSubject extends Subject {
+    constructor(destination, source) {
+        super();
+        this.destination = destination;
+        this.source = source;
+    }
+    next(value) {
+        const { destination } = this;
+        if (destination && destination.next) {
+            destination.next(value);
+        }
+    }
+    error(err) {
+        const { destination } = this;
+        if (destination && destination.error) {
+            this.destination.error(err);
+        }
+    }
+    complete() {
+        const { destination } = this;
+        if (destination && destination.complete) {
+            this.destination.complete();
+        }
+    }
+    _subscribe(subscriber) {
+        const { source } = this;
+        if (source) {
+            return this.source.subscribe(subscriber);
+        }
+        else {
+            return Subscription.EMPTY;
+        }
+    }
+}
+//# sourceMappingURL=Subject.js.map