Basic implementation

package.json

@@ -56,6 +56,7 @@
   "devDependencies": {
     "@react-native-community/eslint-config": "^2.0.0",
     "@types/jest": "^26.0.0",
+    "@types/object-assign": "^4.0.30",
     "@types/react": "^16.9.19",
     "@types/react-native": "0.62.13",
     "eslint": "^7.2.0",

src/index.ts

@@ -1,2 +1,5 @@
-export { InMemoryStorageCSFactory } from '@splitsoftware/splitio-commons';
-export { packageVersion } from './settings/defaults';
+export { SplitFactory } from './splitFactory';
+export { ErrorLogger } from '@splitsoftware/splitio-commons/src/logger/browser/ErrorLogger';
+export { WarnLogger } from '@splitsoftware/splitio-commons/src/logger/browser/WarnLogger';
+export { InfoLogger } from '@splitsoftware/splitio-commons/src/logger/browser/InfoLogger';
+export { DebugLogger } from '@splitsoftware/splitio-commons/src/logger/browser/DebugLogger';

src/platform/getModules.ts

@@ -0,0 +1,60 @@
+import { splitApiFactory } from '@splitsoftware/splitio-commons/src/services/splitApi';
+import { syncManagerOnlineFactory } from '@splitsoftware/splitio-commons/src/sync/syncManagerOnline';
+import pushManagerFactory from '@splitsoftware/splitio-commons/src/sync/streaming/pushManager';
+import pollingManagerCSFactory from '@splitsoftware/splitio-commons/src/sync/polling/pollingManagerCS';
+import { sdkManagerFactory } from '@splitsoftware/splitio-commons/src/sdkManager/index';
+import { sdkClientMethodCSFactory } from '@splitsoftware/splitio-commons/src/sdkClient/sdkClientMethodCS';
+import { impressionObserverCSFactory } from '@splitsoftware/splitio-commons/src/trackers/impressionObserver/impressionObserverCS';
+import integrationsManagerFactory from '@splitsoftware/splitio-commons/src/integrations/pluggable';
+import EventEmitter from '@splitsoftware/splitio-commons/src/utils/MinEvents';
+
+import { shouldAddPt } from '@splitsoftware/splitio-commons/src/trackers/impressionObserver/utils';
+import type { ISettingsInternal } from '@splitsoftware/splitio-commons/src/utils/settingsValidation/types';
+import type { ISdkFactoryParams } from '@splitsoftware/splitio-commons/src/sdkFactory/types';
+
+const rnPlatform = {
+  // No `getFetch` provided. RN provides global fetch.
+
+  // @TODO provide `getEventSource` implementation
+
+  EventEmitter,
+};
+
+const syncManagerOnlineCSFactory = syncManagerOnlineFactory(
+  pollingManagerCSFactory,
+  pushManagerFactory
+);
+
+/**
+ * Get minimal modules for RN client-side SDK in standalone mode and with online syncManager.
+ */
+export function getModules(settings: ISettingsInternal): ISdkFactoryParams {
+  return {
+    settings,
+
+    platform: rnPlatform,
+
+    storageFactory: settings.storage,
+
+    splitApiFactory,
+
+    syncManagerFactory: syncManagerOnlineCSFactory,
+
+    sdkManagerFactory,
+
+    sdkClientMethodFactory: sdkClientMethodCSFactory,
+    // @TODO provide RN signal listener
+    SignalListener: undefined,
+    // @ts-ignore
+    impressionListener: settings.impressionListener,
+
+    integrationsManagerFactory:
+      settings.integrations && settings.integrations.length > 0
+        ? integrationsManagerFactory.bind(null, settings.integrations)
+        : undefined,
+
+    impressionsObserverFactory: shouldAddPt(settings)
+      ? impressionObserverCSFactory
+      : undefined,
+  };
+}

src/settings/__tests__/defaults.spec.ts

@@ -1,6 +1,6 @@
-import { packageVersion } from '../defaults';
+import { defaults } from '../defaults';
 import { version } from '../../../package.json';
 
-test('sdk version should be the package.json version', () => {
-  expect(packageVersion).toBe(version);
+test('sdk version should contain the package.json version', () => {
+  expect(defaults.version).toBe(`reactnative-${version}`);
 });

src/settings/defaults.ts

@@ -1 +1,20 @@
-export const packageVersion = '0.0.1-beta.0';
+const packageVersion = '0.0.1-beta.0';
+
+export const defaults = {
+  startup: {
+    // Stress the request time used while starting up the SDK.
+    requestTimeoutBeforeReady: 5,
+    // How many quick retries we will do while starting up the SDK.
+    retriesOnFailureBeforeReady: 1,
+    // Maximum amount of time used before notifies me a timeout.
+    readyTimeout: 10,
+    // Amount of time we will wait before the first push of events.
+    eventsFirstPushWindow: 10,
+  },
+
+  // Instance version.
+  version: `reactnative-${packageVersion}`,
+
+  // @TODO check if we should provide some way to overwrite the default log level
+  debug: undefined,
+};

src/settings/index.ts

@@ -0,0 +1,16 @@
+import { settingsValidation } from '@splitsoftware/splitio-commons/src/utils/settingsValidation/index';
+import { defaults } from './defaults';
+import { validateStorageCS } from '@splitsoftware/splitio-commons/src/utils/settingsValidation/storage/storageCS';
+import { validatePluggableIntegrations } from '@splitsoftware/splitio-commons/src/utils/settingsValidation/integrations/pluggable';
+import { validateLogger } from '@splitsoftware/splitio-commons/src/utils/settingsValidation/logger/pluggableLogger';
+
+const params = {
+  defaults,
+  storage: validateStorageCS,
+  integrations: validatePluggableIntegrations,
+  logger: validateLogger,
+};
+
+export function settingsValidator(config: any) {
+  return settingsValidation(config, params);
+}

src/splitFactory.ts

@@ -0,0 +1,25 @@
+import { settingsValidator } from './settings';
+import { getModules } from './platform/getModules';
+import { sdkFactory } from '@splitsoftware/splitio-commons/src/sdkFactory/index';
+import type { ISdkFactoryParams } from '@splitsoftware/splitio-commons/src/sdkFactory/types';
+import { merge } from '@splitsoftware/splitio-commons/src/utils/lang';
+
+/**
+ * SplitFactory for React Native.
+ *
+ * @param config         Configuration object used to instantiates the SDK
+ * @param customModules  Optional object of SDK modules to overwrite default ones. Use with caution since, unlike `config`, this param is not validated.
+ * @throws Will throw an error if the provided config is invalid.
+ */
+export function SplitFactory(
+  config: any,
+  customModules?: Partial<ISdkFactoryParams>
+) {
+  const settings = settingsValidator(config);
+  const modules = getModules(settings);
+  return sdkFactory(
+    customModules
+      ? (merge(modules, customModules) as ISdkFactoryParams)
+      : modules
+  );
+}

tsconfig.json

@@ -4,18 +4,16 @@
     "allowUnreachableCode": false,
     "allowUnusedLabels": false,
     "esModuleInterop": true,
-    "importsNotUsedAsValues": "error",
+    // "importsNotUsedAsValues": "error",
     "forceConsistentCasingInFileNames": true,
     "jsx": "react",
-    "lib": ["esnext"],
+    // "lib": ["esnext"],
     "module": "esnext",
     "moduleResolution": "node",
-    "noFallthroughCasesInSwitch": true,
-    "noImplicitReturns": true,
     "noImplicitUseStrict": false,
     "noStrictGenericChecks": false,
     "noUnusedLocals": true,
-    "noUnusedParameters": true,
+    // "noUnusedParameters": true,
     "resolveJsonModule": true,
     "skipLibCheck": true,
     "strict": true,