Add console warnings for non-string type key values

Author: jennantilla

src/index.ts

@@ -440,6 +440,9 @@ export namespace OneSignal {
 
       // forces values to be string types
       if (typeof value !== 'string') {
+        console.warn(
+          'OneSignal: addTag: tag value must be of type string; attempting to convert'
+        );
         value = String(value);
       }
 
@@ -463,8 +466,12 @@ export namespace OneSignal {
 
       const convertedTags = tags as { [key: string]: any };
       Object.keys(tags).forEach(function (key) {
-        // forces values to be string types
-        convertedTags[key] = String(convertedTags[key]);
+        if (typeof convertedTags[key] !== 'string') {
+          console.warn(
+            'OneSignal: addTags: tag value for key ' + key + ' must be of type string; attempting to convert'
+          );
+          convertedTags[key] = String(convertedTags[key]);
+        }
       });
 
       RNOneSignal.addTags(tags);