Merge pull request #740 from BranchMetrics/gdeluna-branch/SDK-1517

[SDK-1517] [ReactNative] customData in track event crash if it's not string

Author: gdeluna-branch

android/src/main/java/io/branch/rnbranch/RNBranchModule.java

@@ -788,7 +788,14 @@ public static BranchEvent createBranchEvent(String eventName, ReadableMap params
             ReadableMapKeySetIterator it = customData.keySetIterator();
             while (it.hasNextKey()) {
                 String key = it.nextKey();
-                event.addCustomDataProperty(key, customData.getString(key));
+                
+                ReadableType readableType = customData.getType(key);
+                if(readableType == ReadableType.String) {
+                    event.addCustomDataProperty(key, customData.getString(key));
+                }
+                else{
+                    Log.w(REACT_CLASS, "customData values must be strings. Value for property " + key + " is not a string type.");
+                }
             }
         }
 

src/index.d.ts

@@ -71,7 +71,7 @@ export class BranchEvent {
   description?: string;
   searchQuery?: string;
   alias?: string;
-  customData?: Record<string, AnyDataType>;
+  customData?: Record<string, string>;
 
   /**
    * Standard Add to Cart event