fix(store): remove defaultsState config property

packages/store/internals/testing/tests/ngxs.setup.spec.ts

@@ -31,60 +31,6 @@ describe('Full testing NGXS States with NgxsTestBed', () => {
     });
   });
 
-  it('should be correct testing lifecycle with NgxsTestBed + defaults', () => {
-    const { store } = NgxsTestBed.configureTestingStates({
-      states: [AppState],
-      ngxsOptions: { defaultsState: { app: { fiz: 'baz' }, foo: 'baz' } }
-    });
-
-    expect(store.snapshot()).toEqual({
-      app: {
-        'AppState.ngxsOnInit': true,
-        'AppState.ngxsAfterBootstrap': true,
-        count: 2
-      },
-      foo: 'baz'
-    });
-  });
-
-  it('should be correct testing persistence mode', () => {
-    const { store } = NgxsTestBed.configureTestingStates({
-      states: [AppState],
-      ngxsOptions: {
-        defaultsState: { app: { count: 0 }, foo: 'bar' }
-      },
-      before: () => {
-        ɵInitialState.set({ app: { count: 1 } });
-      }
-    });
-
-    expect(store.snapshot()).toEqual({
-      app: { count: 1 },
-      foo: 'bar'
-    });
-  });
-
-  it('should be correct testing default disable persistence mode', () => {
-    const { store } = NgxsTestBed.configureTestingStates({
-      states: [AppState],
-      ngxsOptions: {
-        defaultsState: {
-          app: {
-            anyValue: 0
-          }
-        }
-      }
-    });
-
-    expect(store.snapshot()).toEqual({
-      app: {
-        'AppState.ngxsOnInit': true,
-        'AppState.ngxsAfterBootstrap': true,
-        count: 2
-      }
-    });
-  });
-
   describe('should correct restore state', () => {
     class InitialMyState {
       public a: number = null!;
@@ -105,20 +51,6 @@ describe('Full testing NGXS States with NgxsTestBed', () => {
       });
     });
 
-    it('with default state', () => {
-      const { store } = NgxsTestBed.configureTestingStates({
-        states: [MyState],
-        ngxsOptions: {
-          defaultsState: { defaultValue: 1 }
-        }
-      });
-
-      expect(store.snapshot()).toEqual({
-        defaultValue: 1,
-        myState: { a: null, b: null }
-      });
-    });
-
     it('with initial state', () => {
       ɵInitialState.set({ defaultValue: 2 });
 

packages/store/src/store.ts

@@ -1,7 +1,7 @@
 import { Inject, Injectable, Optional, Signal, computed } from '@angular/core';
 import { Observable, of, Subscription, throwError } from 'rxjs';
 import { catchError, distinctUntilChanged, map, shareReplay, take } from 'rxjs/operators';
-import { ɵINITIAL_STATE_TOKEN, ɵPlainObject } from '@ngxs/store/internals';
+import { ɵINITIAL_STATE_TOKEN } from '@ngxs/store/internals';
 
 import { InternalNgxsExecutionStrategy } from './execution/internal-ngxs-execution-strategy';
 import { InternalStateOperations } from './internal/state-operations';
@@ -119,15 +119,11 @@ export class Store {
   }
 
   private initStateStream(initialStateValue: any): void {
-    const value: ɵPlainObject = this._stateStream.value;
-    const storeIsEmpty: boolean = !value || Object.keys(value).length === 0;
-    if (storeIsEmpty) {
-      const defaultStateNotEmpty: boolean = Object.keys(this._config.defaultsState).length > 0;
-      const storeValues: ɵPlainObject = defaultStateNotEmpty
-        ? { ...this._config.defaultsState, ...initialStateValue }
-        : initialStateValue;
+    const value = this._stateStream.value;
+    const storeIsEmpty = !value || Object.keys(value).length === 0;
 
-      this._stateStream.next(storeValues);
+    if (storeIsEmpty) {
+      this._stateStream.next(initialStateValue);
     }
   }
 }

packages/store/src/symbols.ts

@@ -2,7 +2,7 @@ import { Injectable, InjectionToken, Type, inject } from '@angular/core';
 import { Observable } from 'rxjs';
 
 import { StateOperator } from '@ngxs/store/operators';
-import { ɵPlainObject, ɵSharedSelectorOptions, ɵStateClass } from '@ngxs/store/internals';
+import { ɵSharedSelectorOptions, ɵStateClass } from '@ngxs/store/internals';
 
 import { NgxsExecutionStrategy } from './execution/symbols';
 import { DispatchOutsideZoneNgxsExecutionStrategy } from './execution/dispatch-outside-zone-ngxs-execution-strategy';
@@ -84,13 +84,6 @@ export class NgxsConfig {
    * (default: null)
    */
   executionStrategy: Type<NgxsExecutionStrategy> = DispatchOutsideZoneNgxsExecutionStrategy;
-  /**
-   * Defining the default state before module initialization
-   * This is convenient if we need to create a define our own set of states.
-   * @deprecated will be removed after v4
-   * (default: {})
-   */
-  defaultsState: ɵPlainObject = {};
   /**
    * Defining shared selector options
    */