[FSSDK-12296] decideAsync impl.

Author: junaed-optimizely

src/hooks/index.ts

@@ -22,3 +22,5 @@ export type { UseDecideConfig, UseDecideResult } from './useDecide';
 export { useDecideForKeys } from './useDecideForKeys';
 export type { UseDecideMultiResult } from './useDecideForKeys';
 export { useDecideAll } from './useDecideAll';
+export { useDecideAsync } from './useDecideAsync';
+export type { UseDecideAsyncResult } from './useDecideAsync';

src/hooks/testUtils.tsx

@@ -48,9 +48,7 @@ export const MOCK_DECISIONS: Record<string, OptimizelyDecision> = {
  * Creates a mock OptimizelyUserContext with all methods stubbed.
  * Override specific methods via the overrides parameter.
  */
-export function createMockUserContext(
-  overrides?: Partial<Record<string, unknown>>,
-): OptimizelyUserContext {
+export function createMockUserContext(overrides?: Partial<Record<string, unknown>>): OptimizelyUserContext {
   return {
     getUserId: vi.fn().mockReturnValue('test-user'),
     getAttributes: vi.fn().mockReturnValue({}),
@@ -66,6 +64,17 @@ export function createMockUserContext(
       }
       return result;
     }),
+    decideAsync: vi.fn().mockResolvedValue(MOCK_DECISION),
+    decideAllAsync: vi.fn().mockResolvedValue(MOCK_DECISIONS),
+    decideForKeysAsync: vi.fn().mockImplementation((keys: string[]) => {
+      const result: Record<string, OptimizelyDecision> = {};
+      for (const key of keys) {
+        if (MOCK_DECISIONS[key]) {
+          result[key] = MOCK_DECISIONS[key];
+        }
+      }
+      return Promise.resolve(result);
+    }),
     setForcedDecision: vi.fn().mockReturnValue(true),
     getForcedDecision: vi.fn(),
     removeForcedDecision: vi.fn().mockReturnValue(true),