fix(symbol/rxSubscriber): will be exported as rxSubscriber to better …

…support Babel UMD and others

To migrate the code follow the example bellow:

Before:

import { $$rxSubscriber } from 'rxjs/symbol/rxSubscriber';

After:

import { rxSubscriber } from 'rxjs/symbol/rxSubscriber';

src/Rx.ts

@@ -169,7 +169,7 @@ import { AsapScheduler } from './scheduler/AsapScheduler';
 import { AsyncScheduler } from './scheduler/AsyncScheduler';
 import { QueueScheduler } from './scheduler/QueueScheduler';
 import { AnimationFrameScheduler } from './scheduler/AnimationFrameScheduler';
-import { $$rxSubscriber as rxSubscriber } from './symbol/rxSubscriber';
+import { rxSubscriber } from './symbol/rxSubscriber';
 import { iterator } from './symbol/iterator';
 import { observable } from './symbol/observable';
 

src/Subject.ts

@@ -5,7 +5,7 @@ import { Subscriber } from './Subscriber';
 import { ISubscription, Subscription, TeardownLogic } from './Subscription';
 import { ObjectUnsubscribedError } from './util/ObjectUnsubscribedError';
 import { SubjectSubscription } from './SubjectSubscription';
-import { $$rxSubscriber } from './symbol/rxSubscriber';
+import { rxSubscriber as rxSubscriberSymbol } from './symbol/rxSubscriber';
 
 /**
  * @class SubjectSubscriber<T>
@@ -21,7 +21,7 @@ export class SubjectSubscriber<T> extends Subscriber<T> {
  */
 export class Subject<T> extends Observable<T> implements ISubscription {
 
- [$$rxSubscriber]() {
+ [rxSubscriberSymbol]() {
  return new SubjectSubscriber(this);
  }
 

src/Subscriber.ts

@@ -2,7 +2,7 @@ import { isFunction } from './util/isFunction';
 import { Observer, PartialObserver } from './Observer';
 import { Subscription } from './Subscription';
 import { empty as emptyObserver } from './Observer';
-import { $$rxSubscriber } from './symbol/rxSubscriber';
+import { rxSubscriber as rxSubscriberSymbol } from './symbol/rxSubscriber';
 
 /**
  * Implements the {@link Observer} interface and extends the
@@ -16,7 +16,7 @@ import { $$rxSubscriber } from './symbol/rxSubscriber';
  */
 export class Subscriber<T> extends Subscription implements Observer<T> {
 
- [$$rxSubscriber]() { return this; }
+ [rxSubscriberSymbol]() { return this; }
 
  /**
  * A static factory for a Subscriber, given a (potentially partial) definition

src/symbol/rxSubscriber.ts

@@ -2,5 +2,10 @@ import { root } from '../util/root';
 
 const Symbol: any = root.Symbol;
 
-export const $$rxSubscriber = (typeof Symbol === 'function' && typeof Symbol.for === 'function') ?
+export const rxSubscriber = (typeof Symbol === 'function' && typeof Symbol.for === 'function') ?
  Symbol.for('rxSubscriber') : '@@rxSubscriber';
+
+/**
+ * @deprecated use rxSubscriber instead
+ */
+export const $$rxSubscriber = rxSubscriber;

src/util/toSubscriber.ts

@@ -1,5 +1,5 @@
 import { Subscriber } from '../Subscriber';
-import { $$rxSubscriber } from '../symbol/rxSubscriber';
+import { rxSubscriber as rxSubscriberSymbol } from '../symbol/rxSubscriber';
 import { PartialObserver, empty as emptyObserver } from '../Observer';
 
 export function toSubscriber<T>(
@@ -12,8 +12,8 @@ export function toSubscriber<T>(
  return (<Subscriber<T>> nextOrObserver);
  }
 
- if (nextOrObserver[$$rxSubscriber]) {
- return nextOrObserver[$$rxSubscriber]();
+ if (nextOrObserver[rxSubscriberSymbol]) {
+ return nextOrObserver[rxSubscriberSymbol]();
  }
  }