fix(core): update

ts/index.ts

@@ -1,5 +1,3 @@
 export * from './smartstate.classes.smartstate';
 export * from './smartstate.classes.statepart';
-export * from './smartstate.classes.statecollection';
 export * from './smartstate.classes.stateaction';
-export * from './smartstate.classes.stateobservable';

ts/smartstate.classes.smartstate.ts

@@ -5,7 +5,7 @@ import { StatePart } from './smartstate.classes.statepart';
  * Smartstate takes care of providing state
  */
 export class Smartstate<StatePartNameType> {
-  public statePartMap: { [key: string]: StatePart<StatePartNameType, unknown> } = {};
+  public statePartMap: { [key: string]: StatePart<StatePartNameType, any> } = {};
 
   constructor() {}
 

ts/smartstate.classes.statecollection.ts

@@ -1,12 +0,0 @@
-import * as plugins from './smartstate.plugins';
-import { StatePart } from './smartstate.classes.statepart';
-
-/**
- * A StatePartCollection is a collection of StateParts.
- * It can be used for expressing interest in a certain set of StateParts.
- */
-export class StatePartCollection<StatePartNameType, T> extends StatePart<StatePartNameType, T> {
-  constructor(nameArg: StatePartNameType) {
-    super(nameArg);
-  }
-}

ts/smartstate.classes.stateobservable.ts

@@ -1,13 +0,0 @@
-import * as plugins from './smartstate.plugins';
-
-/**
- * State observable observes a StatePart and notifies everyone interested
- */
-export class StateObservable {
-  /**
-   * creates an observable from a StateCollection
-   */
-  public static fromStatePartCollection(filterArg?: () => any) {}
-
-  constructor() {}
-}

ts/smartstate.classes.statepart.ts

@@ -30,8 +30,17 @@ export class StatePart<TStatePartName, TStatePayload> {
    * notifies of a change on the state
    */
   public notifyChange() {
+    const createStateHash = (stateArg: any) => {
+      return plugins.isohash.sha256FromString(plugins.smartjson.stringify(stateArg));
+    };
+    if (this.stateStore && this.lastStateNotificationPayloadHash && createStateHash(this.stateStore) === createStateHash(this.lastStateNotificationPayloadHash)) {
+      return;
+    } else {
+      this.lastStateNotificationPayloadHash = this.stateStore;
+    }
     this.state.next(this.stateStore);
   }
+  private lastStateNotificationPayloadHash: any;
 
   /**
    * selects a state or a substate

ts/smartstate.plugins.ts

@@ -1,4 +1,7 @@
+import * as isohash from '@pushrocks/isohash';
+import * as smartjson from '@pushrocks/smartjson';
+import * as smartobject from '@pushrocks/smartobject';
 import * as smartpromise from '@pushrocks/smartpromise';
 import * as smartrx from '@pushrocks/smartrx';
 
-export { smartpromise, smartrx };
+export { isohash, smartjson, smartobject, smartpromise, smartrx };