fix: resolve initialize early if already initialized (idempotent)

Author: timmywil

android/src/main/java/com/reactnativespokestack/SpokestackModule.kt

@@ -122,6 +122,10 @@ class SpokestackModule(private val reactContext: ReactApplicationContext): React
 
   @ReactMethod
   fun initialize(clientId: String, clientSecret: String, config: ReadableMap, promise: Promise) = runBlocking(Dispatchers.Default) {
+    if (initialized()) {
+      promise.resolve(null)
+      return@runBlocking
+    }
     if (clientId.isEmpty() || clientSecret.isEmpty()) {
       val e = IllegalArgumentException("Client ID and Client Secret are required to initialize Spokestack")
       promise.reject(e)

example/src/checkPermission.tsx

@@ -22,8 +22,8 @@ export default async function checkPermission() {
 
   // iOS brings up its own dialogs automatically
   // However, the best way to handle permissions is
-  // to request both microphone and speech recognition
-  // access in an onboarding screen for your app that
+  // to request speech recognition access in an
+  // onboarding screen for your app that
   // explains why the permissions are needed.
   return true
 }

ios/RNSpokestack.swift

@@ -240,6 +240,7 @@ class RNSpokestack: RCTEventEmitter, SpokestackDelegate {
     @objc(initialize:withClientSecret:withConfig:withResolver:withRejecter:)
     func initialize(clientId: String, clientSecret: String, config: Dictionary<String, Any>?, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) -> Void {
         if speechPipeline != nil {
+            resolve(nil)
             return
         }
         downloader = Downloader(allowCellular: RCTConvert.bool(config?["allowCellular"]), refreshModels: RCTConvert.bool(config?["refreshModels"]))