avoid EventEmitter with complex data types

Author: andresilveirah

android/src/main/java/com/sourcepoint/reactnativecmp/ReactNativeCmpModule.kt

@@ -1,7 +1,6 @@
 package com.sourcepoint.reactnativecmp
 
 import android.view.View
-import com.facebook.react.bridge.Arguments.createMap
 import com.facebook.react.bridge.Callback
 import com.facebook.react.bridge.Promise
 import com.facebook.react.bridge.ReactApplicationContext
@@ -21,6 +20,8 @@ import com.sourcepoint.reactnativecmp.arguments.BuildOptions
 import com.sourcepoint.reactnativecmp.arguments.toList
 import com.sourcepoint.reactnativecmp.consents.RNSPGDPRConsent
 import com.sourcepoint.reactnativecmp.consents.RNSPUserData
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
 
 data class SPLoadMessageParams(val authId: String?) {
   constructor(fromReadableMap: ReadableMap?) : this(authId = fromReadableMap?.getString("authId"))
@@ -162,17 +163,17 @@ class ReactNativeCmpModule(reactContext: ReactApplicationContext) : NativeReactN
   }
 
   override fun onAction(view: View, consentAction: ConsentAction): ConsentAction {
-    emitOnAction(createMap().apply {
-      putString("actionType", RNSourcepointActionType.from(consentAction.actionType).name)
-      putString("customActionId", consentAction.customActionId)
-    })
+    emitInternalOnAction(Json.encodeToString(mapOf(
+      "actionType" to RNSourcepointActionType.from(consentAction.actionType).name,
+      "customActionId" to consentAction.customActionId
+    )))
     return consentAction
   }
 
   override fun onConsentReady(consent: SPConsents) {}
 
   override fun onError(error: Throwable) {
-    emitOnError(createMap().apply { putString("description", error.message) })
+    emitInternalOnError(Json.encodeToString(mapOf("description" to error.message)))
   }
 
   override fun onNoIntentActivitiesFound(url: String) {}

src/NativeReactNativeCmp.ts

@@ -201,6 +201,10 @@ export type SPBuildOptions = {
   androidDismissMessageOnBackPress?: boolean;
 }
 
+export type SPError = {
+  description: string;
+};
+
 export interface Spec extends TurboModule {
   build(
     accountId: number,
@@ -230,12 +234,12 @@ export interface Spec extends TurboModule {
     callback: (consent: GDPRConsent) => void
   ): void;
 
-  readonly onAction: EventEmitter<SPAction>;
+  readonly internalOnAction: EventEmitter<string>;
   readonly onSPUIReady: EventEmitter<void>;
   readonly onSPUIFinished: EventEmitter<void>;
   readonly onFinished: EventEmitter<void>;
   readonly onMessageInactivityTimeout: EventEmitter<void>;
-  readonly onError: EventEmitter<{ description: string }>;
+  readonly internalOnError: EventEmitter<string>;
 }
 
 export default TurboModuleRegistry.getEnforcing<Spec>('ReactNativeCmp');

src/index.tsx

@@ -6,6 +6,7 @@ import type {
   SPAction,
   SPBuildOptions,
   GDPRConsent,
+  SPError
 } from './NativeReactNativeCmp';
 import ReactNativeCmp, { SPMessageLanguage } from './NativeReactNativeCmp';
 import type { EventEmitter } from 'react-native/Libraries/Types/CodegenTypes';
@@ -18,6 +19,32 @@ const defaultBuildOptions: SPBuildOptions = {
 }
 
 export default class SPConsentManager implements Spec {
+  /** intended to be used by the SDK only */
+  internalOnAction: EventEmitter<string> = ReactNativeCmp.internalOnAction;
+  /** intended to be used by the SDK only */
+  internalOnError: EventEmitter<string> = ReactNativeCmp.internalOnError;
+
+  onSPUIReady: EventEmitter<void> = ReactNativeCmp.onSPUIReady;
+  onSPUIFinished: EventEmitter<void> = ReactNativeCmp.onSPUIFinished;
+  onFinished: EventEmitter<void> = ReactNativeCmp.onFinished;
+  onMessageInactivityTimeout: EventEmitter<void> = ReactNativeCmp.onMessageInactivityTimeout;
+
+  onAction(handler: (action: SPAction) => void) {
+    ReactNativeCmp.internalOnAction((stringifiedAction) => {
+      handler(JSON.parse(stringifiedAction) as SPAction);
+    });
+  }
+
+  onError(handler: (error: SPError) => void) {
+    ReactNativeCmp.internalOnError((stringifiedError) => {
+      handler(JSON.parse(stringifiedError) as SPError);
+    });
+  }
+
+  getConstants?(): {} {
+    throw new Error('Method not implemented.');
+  }
+
   build(
     accountId: number,
     propertyId: number,
@@ -74,14 +101,7 @@ export default class SPConsentManager implements Spec {
     categories: string[],
     legIntCategories: string[],
     callback: (consent: GDPRConsent) => void
-    ) {
-      ReactNativeCmp.postDeleteCustomConsentGDPR(vendors, categories, legIntCategories, callback);
+  ) {
+    ReactNativeCmp.postDeleteCustomConsentGDPR(vendors, categories, legIntCategories, callback);
   }
-
-  onAction: EventEmitter<SPAction> = ReactNativeCmp.onAction;
-  onSPUIReady: EventEmitter<void> = ReactNativeCmp.onSPUIReady;
-  onSPUIFinished: EventEmitter<void> = ReactNativeCmp.onSPUIFinished;
-  onFinished: EventEmitter<void> = ReactNativeCmp.onFinished;
-  onMessageInactivityTimeout: EventEmitter<void> = ReactNativeCmp.onMessageInactivityTimeout;
-  onError: EventEmitter<{ description: string }> = ReactNativeCmp.onError;
 }