fix: prevent recursion with pushing keys

README.md

@@ -322,7 +322,7 @@ Axe will automatically add the following metadata and information to the `meta`
 
 Axe will omit from metadata all properties via the default Array from `meta.omittedFields` option (see [Options](#options) below for more insight).
 
-If the argument "meta" is an empty object, then it will not be passed as an argument to logger methods \*ndash; because you don't want to see an empty `{}` polluting your log metadata. Axe keeps your log output tidy.
+If the argument "meta" is an empty object, then it will not be passed as an argument to logger methods – because you don't want to see an empty `{}` polluting your log metadata. Axe keeps your log output tidy.
 
 ```sh
 hello world {

src/index.js

@@ -56,10 +56,10 @@ function dotifyToArray(obj) {
         : key;
       const newKey = current ? current + '.' + convertedKey : convertedKey; // joined key with dot
       // if (value && typeof value === 'object' && !(value instanceof Date) && !ObjectID.isValid(value)) {
-      if (isPlainObject(value)) {
+      if (isPlainObject(value) && res.indexOf(convertedKey) === -1) {
         res.push(convertedKey);
         recurse(value, newKey); // it's a nested object, so do it again
-      } else {
+      } else if (res.indexOf(newKey) === -1) {
         res.push(newKey);
       }
     }