feat(android): Add Optional Data Param for Error Object

android/capacitor/src/main/java/com/getcapacitor/PluginCall.java

@@ -96,7 +96,7 @@ public void errorCallback(String msg) {
      */
     @Deprecated
     public void error(String msg, Exception ex) {
-        reject(msg, null, ex);
+        reject(msg, ex);
     }
 
     /**
@@ -114,10 +114,10 @@ public void error(String msg, String code, Exception ex) {
      */
     @Deprecated
     public void error(String msg) {
-        reject(msg, null, null);
+        reject(msg);
     }
 
-    public void reject(String msg, String code, Exception ex) {
+    public void reject(String msg, String code, Exception ex, JSObject data) {
         PluginResult errorResult = new PluginResult();
 
         if (ex != null) {
@@ -127,39 +127,58 @@ public void reject(String msg, String code, Exception ex) {
         try {
             errorResult.put("message", msg);
             errorResult.put("code", code);
+            if (null != data) {
+                errorResult.put("data", data);
+            }
         } catch (Exception jsonEx) {
-            Logger.error(Logger.tags("Plugin"), jsonEx.getMessage(), null);
+            Logger.error(Logger.tags("Plugin"), jsonEx.getMessage(), jsonEx);
         }
 
         this.msgHandler.sendResponseMessage(this, null, errorResult);
     }
 
+    public void reject(String msg, Exception ex, JSObject data) {
+        reject(msg, null, ex, data);
+    }
+
+    public void reject(String msg, String code, JSObject data) {
+        reject(msg, code, null, data);
+    }
+
+    public void reject(String msg, String code, Exception ex) {
+        reject(msg, code, ex, null);
+    }
+
+    public void reject(String msg, JSObject data) {
+        reject(msg, null, null, data);
+    }
+
     public void reject(String msg, Exception ex) {
-        reject(msg, null, ex);
+        reject(msg, null, ex, null);
     }
 
     public void reject(String msg, String code) {
-        reject(msg, code, null);
+        reject(msg, code, null, null);
     }
 
     public void reject(String msg) {
-        reject(msg, null, null);
+        reject(msg, null, null, null);
     }
 
     public void unimplemented() {
         unimplemented("not implemented");
     }
 
     public void unimplemented(String msg) {
-        reject(msg, "UNIMPLEMENTED", null);
+        reject(msg, "UNIMPLEMENTED", null, null);
     }
 
     public void unavailable() {
         unavailable("not available");
     }
 
     public void unavailable(String msg) {
-        reject(msg, "UNAVAILABLE", null);
+        reject(msg, "UNAVAILABLE", null, null);
     }
 
     public String getPluginId() {

core/src/util.ts

@@ -19,8 +19,16 @@ export enum ExceptionCode {
   Unavailable = 'UNAVAILABLE',
 }
 
+export interface ExceptionData {
+  [key: string]: any;
+}
+
 export class CapacitorException extends Error {
-  constructor(readonly message: string, readonly code?: ExceptionCode) {
+  constructor(
+    readonly message: string,
+    readonly code?: ExceptionCode,
+    readonly data?: ExceptionData,
+  ) {
     super(message);
   }
 }

ios/Capacitor/Capacitor/PluginCallResult.swift

@@ -98,7 +98,7 @@ public enum PluginCallResult {
         self.code = code
         self.error = error
         if let data = data {
-            resultData = .dictionary(data)
+            resultData = .dictionary(["data": data])
         } else {
             resultData = nil
         }