Remove markers and performance measurement

src/action$.ts

@@ -1,5 +1,5 @@
 import { Subject } from 'rxjs';
-import { UnknownAction, markName } from './internal';
+import { UnknownAction } from './internal';
 import { ActionDispatcher, ActionStream } from './types/helpers';
 import { tag } from 'rxjs-spy/operators';
 import { share } from 'rxjs/operators';
@@ -12,7 +12,6 @@ const actionSubject$ = new Subject<UnknownAction>();
  */
 export const action$: ActionStream = actionSubject$.pipe(
   tag('action$'),
-  markName('action$'),
   share()
 );
 

src/actionCreator.ts

@@ -2,7 +2,6 @@ import {
   ActionCreatorWithPayload,
   ActionCreatorWithoutPayload,
 } from './types/ActionCreator';
-import { actionMarker } from './internal/markers';
 
 type ActionName = `[${string}] ${string}`;
 
@@ -42,7 +41,6 @@ export const actionCreator: ActionCreatorFunc = (type: string) => {
       meta: Object.freeze({}),
     });
   actionCreatorFn.type = type;
-  actionCreatorFn._marker = actionMarker(type);
 
   return Object.freeze(actionCreatorFn);
 };

src/derivedStream.spec.ts

@@ -1,42 +1,7 @@
 import test from 'ava';
-import {
-  MarkerType,
-  NameMarker,
-  findMarker,
-  markName,
-} from './internal/markers';
-import { Observable } from 'rxjs';
 import { derivedStream } from './derivedStream';
 import { marbles } from 'rxjs-marbles/ava';
 
-test('derivedStream adds name and combine marker', (t) => {
-  const source$ = new Observable<unknown>().pipe(markName('source'));
-  const dependency$ = source$.pipe(markName('dependency'));
-
-  const derived$ = derivedStream('derived', source$, dependency$);
-
-  const sourceNameMarker: NameMarker = {
-    type: MarkerType.NAME,
-    name: 'source',
-    sources: [null],
-  };
-  const dependencyNameMarker: NameMarker = {
-    type: MarkerType.NAME,
-    name: 'dependency',
-    sources: [sourceNameMarker],
-  };
-  t.deepEqual(findMarker(derived$), {
-    type: MarkerType.NAME,
-    name: 'derived',
-    sources: [
-      {
-        type: MarkerType.COMBINE_LATEST,
-        sources: [sourceNameMarker, dependencyNameMarker],
-      },
-    ],
-  });
-});
-
 test(
   'derivedStream emits on emit from either source',
   marbles((m) => {

src/derivedStream.ts

@@ -1,6 +1,5 @@
-import { Observable, ObservableInput } from 'rxjs';
-import { combineLatest } from './decoratedObservableCombiners';
-import { markName } from './internal/markers';
+import { Observable, ObservableInput, combineLatest } from 'rxjs';
+import { tag } from 'rxjs-spy/operators';
 
 export type DerivedStream = {
   <A>(name: string, a: ObservableInput<A>): Observable<[A]>;
@@ -95,7 +94,7 @@ export type DerivedStream = {
  * Make this stream a derived stream of its source and dependencies
  *
  * This is basically an annotated version of the `combineLatest` operator that
- * adds markers so the stream can be analyzed.
+ * adds tags so the stream can be analyzed.
  *
  * @param name The unique name of this stream
  * @param dependencies The dependencies of this stream
@@ -104,4 +103,4 @@ export type DerivedStream = {
 export const derivedStream: DerivedStream = (
   name: string,
   ...dependencies: ObservableInput<unknown>[]
-): Observable<any> => combineLatest(...dependencies).pipe(markName(name));
+): Observable<any> => combineLatest(dependencies).pipe(tag(name));

src/index.ts

@@ -36,8 +36,6 @@ export {
 
 export { derivedStream } from './derivedStream';
 
-export { combineLatest, merge, zip } from './decoratedObservableCombiners';
-
 export { persistentReducedStream } from './persistentReducedStream';
 export { ObservableState } from './observableState';
 

src/internal/index.ts

@@ -9,17 +9,3 @@ export { RoutineFunc } from './routineFunc';
 export { coldMergeOperators } from '../operators/mergeOperators';
 export { defaultErrorSubject } from './defaultErrorSubject';
 export { rethrowErrorGlobally } from './rethrowErrorGlobally';
-export {
-  actionMarker,
-  markName,
-  markOfType,
-  markCombineLatest,
-  markWithLatestFrom,
-  markMerge,
-  markZip,
-  MarkedObservable,
-  findMarker,
-  Marker,
-  MarkerInterface,
-  MarkerType,
-} from './markers';