Add factory option to provider

CHANGES.txt

@@ -1,7 +1,8 @@
-1.2.0 (September 9, 2025)
+1.2.0 (September 11, 2025)
   - Up to date with @openfeature/server-sdk 1.19.0
   - Added tracking support
   - Added “evaluate with details” support
+  - Support provider initialization using splitFactory
 
 1.1.0 (June 16, 2025)
   - Uses renamed @openfeature/js-sdk to @openfeature/server-sdk

README.md

@@ -23,7 +23,7 @@ npm install @splitsoftware/splitio
 npm install @openfeature/server-sdk
 ```
 
-### Register the Split provider with OpenFeature
+### Register the Split provider with OpenFeature using splitClient
 ```js
 const OpenFeature = require('@openfeature/server-sdk').OpenFeature;
 const SplitFactory = require('@splitsoftware/splitio').SplitFactory;
@@ -35,6 +35,18 @@ const provider = new OpenFeatureSplitProvider({splitClient});
 OpenFeature.setProvider(provider);
 ```
 
+### Register the Split provider with OpenFeature using splitFactory
+```js
+const OpenFeature = require('@openfeature/server-sdk').OpenFeature;
+const SplitFactory = require('@splitsoftware/splitio').SplitFactory;
+const OpenFeatureSplitProvider = require('@splitsoftware/openfeature-js-split-provider').OpenFeatureSplitProvider;
+
+const authorizationKey = 'your auth key'
+const splitFactory = SplitFactory({core: {authorizationKey}});
+const provider = new OpenFeatureSplitProvider(splitFactory);
+OpenFeature.setProvider(provider);
+```
+
 ## Use of OpenFeature with Split
 After the initial setup you can use OpenFeature according to their [documentation](https://docs.openfeature.dev/docs/reference/concepts/evaluation-api/).
 

src/__tests__/nodeSuites/client.spec.js

@@ -1,19 +1,31 @@
 /* eslint-disable jest/no-conditional-expect */
 import { OpenFeatureSplitProvider } from '../../lib/js-split-provider';
-import { getLocalHostSplitClient } from '../testUtils';
+import { getLocalHostSplitClient, getSplitFactory } from '../testUtils';
 
 import { OpenFeature } from '@openfeature/server-sdk';
 
-describe('client tests', () => {
+const cases = [
+  [
+    'openfeature client tests mode: splitClient',
+    () => ({ splitClient: getLocalHostSplitClient()}),
+
+  ],
+  [
+    'openfeature client tests mode: splitFactory',
+    getSplitFactory
+  ],
+];
+
+describe.each(cases)('%s', (label, getOptions) => {
 
   let client;
-  let splitClient;
   let provider;
+  let options;
 
   beforeEach(() => {
-    splitClient = getLocalHostSplitClient();
-    provider = new OpenFeatureSplitProvider({ splitClient });
 
+    options = getOptions();
+    provider = new OpenFeatureSplitProvider(options);
     OpenFeature.setProvider(provider);
 
     client = OpenFeature.getClient('test');
@@ -22,9 +34,8 @@ describe('client tests', () => {
     };
     client.setContext(evaluationContext);
   });
-  afterEach(() => {
-    splitClient.destroy();
-    provider = undefined;
+  afterEach(async () => {
+    await OpenFeature.close();
   });
 
   test('use default test', async () => {
@@ -206,13 +217,13 @@ describe('client tests', () => {
   });
 
   test('track: without value', async () => {
-    const trackSpy = jest.spyOn(splitClient, 'track');
+    const trackSpy = jest.spyOn(options.splitClient ? options.splitClient : options.client(), 'track');
     await client.track('my-event', { targetingKey: 'u1', trafficType: 'user' }, { properties: { prop1: 'value1' } });
     expect(trackSpy).toHaveBeenCalledWith('u1', 'user', 'my-event', undefined, {  prop1: 'value1' });
   });
 
   test('track: with value', async () => {
-    const trackSpy = jest.spyOn(splitClient, 'track');
+    const trackSpy = jest.spyOn(options.splitClient ? options.splitClient : options.client(), 'track');
     await client.track('my-event', { targetingKey: 'u1', trafficType: 'user' }, { value: 9.99, properties: { prop1: 'value1' } });
     expect(trackSpy).toHaveBeenCalledWith('u1', 'user', 'my-event', 9.99, {  prop1: 'value1' });
   });

src/__tests__/nodeSuites/provider.spec.js

@@ -1,20 +1,32 @@
 /* eslint-disable jest/no-conditional-expect */
-import { getLocalHostSplitClient } from '../testUtils';
+import { getLocalHostSplitClient, getSplitFactory } from '../testUtils';
 import { OpenFeatureSplitProvider } from '../../lib/js-split-provider';
 
-describe('provider tests', () => {
+const cases = [
+  [
+    'provider tests mode: splitClient',
+    () => ({ splitClient: getLocalHostSplitClient()}),
+
+  ],
+  [
+    'provider tests mode: splitFactory',
+    getSplitFactory
+  ],
+];
+
+describe.each(cases)('%s', (label, getOptions) => {
 
-  let splitClient;
   let provider;
+  let options;
 
   beforeEach(() => {
-    splitClient = getLocalHostSplitClient();
-    provider = new OpenFeatureSplitProvider({ splitClient });
+    options = getOptions();
+    provider = new OpenFeatureSplitProvider(options);
   });
 
-  afterEach(() => {
-    splitClient.destroy();
-    provider = undefined;
+  afterEach(async () => {
+    jest.clearAllMocks()
+    await provider.onClose();
   });
 
   test('evaluate Boolean null/empty test', async () => {
@@ -210,14 +222,14 @@ describe('provider tests', () => {
   });
 
   test('track: ok without details', async () => {
-    const trackSpy = jest.spyOn(splitClient, 'track');
+    const trackSpy = jest.spyOn(options.splitClient ? options.splitClient : options.client(), 'track');
     await provider.track('view', { targetingKey: 'u1', trafficType: 'user' }, null);
     expect(trackSpy).toHaveBeenCalledTimes(1);
     expect(trackSpy).toHaveBeenCalledWith('u1', 'user', 'view', undefined, {});
   });
 
   test('track: ok with details', async () => {
-    const trackSpy = jest.spyOn(splitClient, 'track');
+    const trackSpy = jest.spyOn(options.splitClient ? options.splitClient : options.client(), 'track');
     await provider.track(
       'purchase',
       { targetingKey: 'u1', trafficType: 'user' },

src/__tests__/testUtils/index.js

@@ -95,7 +95,6 @@ const config = {
       authorizationKey: 'localhost'
     },
     features: './split.yaml',
-    debug: 'DEBUG'
   }
 /**
  * get a Split client in localhost mode for testing purposes
@@ -106,4 +105,8 @@ export function getLocalHostSplitClient() {
 
 export function getRedisSplitClient(redisPort) {
   return SplitFactory(getRedisConfig(redisPort)).client();
-}
+}
+
+export function getSplitFactory() {
+  return SplitFactory(config);
+}

src/lib/js-split-provider.ts

@@ -36,16 +36,28 @@ export class OpenFeatureSplitProvider implements Provider {
 
   public readonly events = new OpenFeatureEventEmitter();
 
-  constructor(options: SplitProviderOptions | string) {
-
+  private getSplitClient(options: SplitProviderOptions | string | SplitIO.ISDK | SplitIO.IAsyncSDK) {
     if (typeof(options) === 'string') {
       const splitFactory = SplitFactory({core: { authorizationKey: options } });
-      this.client = splitFactory.client();
-    } else {
-      this.client = options.splitClient;
+      return splitFactory.client();
+    } 
+
+    let splitClient;
+    try {
+      splitClient = (options as SplitIO.ISDK | SplitIO.IAsyncSDK).client();
+    } catch {
+      splitClient = (options as SplitProviderOptions).splitClient
     }
-    this.client.on(this.client.Event.SDK_UPDATE, (payload) => {
-      this.events.emit(ProviderEvents.ConfigurationChanged, payload)
+
+    return splitClient;
+  }
+
+  constructor(options: SplitProviderOptions | string | SplitIO.ISDK | SplitIO.IAsyncSDK) {
+
+    this.client = this.getSplitClient(options);
+
+    this.client.on(this.client.Event.SDK_UPDATE, () => {
+      this.events.emit(ProviderEvents.ConfigurationChanged)
     });
     this.initialized = new Promise((resolve) => {
       // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -191,6 +203,10 @@ export class OpenFeatureSplitProvider implements Provider {
     this.client.track(targetingKey, trafficType, trackingEventName, value, properties);
   }
 
+  async onClose?(): Promise<void> {
+    return this.client.destroy();
+  }
+
   //Transform the context into an object useful for the Split API, an key string with arbitrary Split 'Attributes'.
   private transformContext(context: EvaluationContext): Consumer {
     const { targetingKey, ...attributes } = context;