feat(rx-stateful): consider keepErrorOnRefresh configuration

Author: michaelbe812

libs/rx-stateful/src/lib/util/calc-start-value-for-refresh.spec.ts

@@ -13,4 +13,16 @@ describe('calcStartValueForRefresh', () => {
       expect(result).toHaveProperty('value', null);
     });
   });
+  describe('keepErrorOnRefresh ', () => {
+    it('should return without error property when keepErrorOnRefresh = true', () => {
+      const result = calcStartValueForRefresh({ keepErrorOnRefresh: true });
+
+      expect(result).not.toHaveProperty('error');
+    });
+    it('should return with property error = undefined when keepErrorOnRefresh = false', () => {
+      const result = calcStartValueForRefresh({ keepErrorOnRefresh: false });
+
+      expect(result).toHaveProperty('error', undefined);
+    });
+  });
 });

libs/rx-stateful/src/lib/util/calc-start-value-for-refresh.ts

@@ -1,10 +1,13 @@
 import {InternalRxState, RxStatefulConfig} from "../types/types";
 
 export function calcStartValueForRefresh<T, E>(mergedConfig: RxStatefulConfig<T,E>): Partial<InternalRxState<T, E>>{
-  let baseStartWithValue: Partial<InternalRxState<T, E>> = { isLoading: true, isRefreshing: true, context: 'suspense', error: undefined };
+  let baseStartWithValue: Partial<InternalRxState<T, E>> = { isLoading: true, isRefreshing: true, context: 'suspense'};
   if (!mergedConfig?.keepValueOnRefresh) {
     baseStartWithValue = { ...baseStartWithValue, value: null };
   }
+  if(!mergedConfig?.keepErrorOnRefresh) {
+    baseStartWithValue = { ...baseStartWithValue, error: undefined };
+  }
 
   return baseStartWithValue;
 }