1 files changed, 14 insertions, 0 deletions
diff --git a/devtools/client/memory/reducers/filter.js b/devtools/client/memory/reducers/filter.js
new file mode 100644
index 000000000..99188142c
--- /dev/null
+++ b/devtools/client/memory/reducers/filter.js
@@ -0,0 +1,14 @@
+/* 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("../constants");
+
+module.exports = function (filterString = null, action) {
+  if (action.type === actions.SET_FILTER_STRING) {
+    return action.filter || null;
+  } else {
+    return filterString;
+  }
+};