Remove semicolons.

.internal/baseFindKey.js

@@ -9,14 +9,14 @@
  * @returns {*} Returns the found element or its key, else `undefined`.
  */
 function baseFindKey(collection, predicate, eachFunc) {
-  let result;
+  let result
   eachFunc(collection, (value, key, collection) => {
     if (predicate(value, key, collection)) {
-      result = key;
-      return false;
+      result = key
+      return false
     }
-  });
-  return result;
+  })
+  return result
 }
 
-export default baseFindKey;
+export default baseFindKey