1 files changed, 11 insertions, 0 deletions
diff --git a/devtools/client/memory/reducers/front.js b/devtools/client/memory/reducers/front.js
new file mode 100644
index 0000000000..92ff6c151c
--- /dev/null
+++ b/devtools/client/memory/reducers/front.js
@@ -0,0 +1,11 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const { actions } = require("resource://devtools/client/memory/constants.js");
+
+module.exports = (front = null, action) => {
+  return action.type === actions.UPDATE_MEMORY_FRONT ? action.front : front;
+};