From bb9ee414372f9ec25b588255b7e1016e73b6ea66 Mon Sep 17 00:00:00 2001
From: Alexey Antonov <alexwizp@gmail.com>
Date: Thu, 12 Mar 2020 11:40:13 +0300
Subject: [PATCH] Vislib legend toggle broken (#59736) (#59893)

Closes: #59254

Co-authored-by: Elastic Machine <elasticmachine@users.noreply.github.com>
---
 .../public/persisted_state/persisted_state.ts               | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/plugins/visualizations/public/persisted_state/persisted_state.ts b/src/plugins/visualizations/public/persisted_state/persisted_state.ts
index d09dcd5381511..b81b651c73509 100644
--- a/src/plugins/visualizations/public/persisted_state/persisted_state.ts
+++ b/src/plugins/visualizations/public/persisted_state/persisted_state.ts
@@ -26,10 +26,8 @@ function prepSetParams(key: PersistedStateKey, value: any, path: PersistedStateP
   // key must be the value, set the entire state using it
   if (value === undefined && (isPlainObject(key) || path.length > 0)) {
     // setting entire tree, swap the key and value to write to the state
-    return {
-      value: key,
-      key: undefined,
-    };
+    value = key;
+    key = undefined;
   }
 
   // ensure the value being passed in is never mutated