1 files changed, 21 insertions, 0 deletions
diff --git a/devtools/client/memory/reducers/errors.js b/devtools/client/memory/reducers/errors.js
new file mode 100644
index 0000000000..9207c95168
--- /dev/null
+++ b/devtools/client/memory/reducers/errors.js
@@ -0,0 +1,21 @@
+/* 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 {
+  ERROR_TYPE: TASK_ERROR_TYPE,
+} = require("resource://devtools/client/shared/redux/middleware/task.js");
+
+/**
+ * Handle errors dispatched from task middleware and
+ * store them so we can check in tests or dump them out.
+ */
+module.exports = function(state = [], action) {
+  switch (action.type) {
+    case TASK_ERROR_TYPE:
+      return [...state, action.error];
+  }
+  return state;
+};