From 6fdc5b7c7d82d6e326e5f4634650ff752ceb4416 Mon Sep 17 00:00:00 2001
From: Sean Yesmunt <sean.yesmunt@gmail.com>
Date: Mon, 27 Nov 2017 12:07:57 -0500
Subject: [PATCH] add handleActions redux util

---
 ui/js/util/redux-utils.js | 10 ++++++++++
 1 file changed, 10 insertions(+)
 create mode 100644 ui/js/util/redux-utils.js

diff --git a/ui/js/util/redux-utils.js b/ui/js/util/redux-utils.js
new file mode 100644
index 000000000..6875ec550
--- /dev/null
+++ b/ui/js/util/redux-utils.js
@@ -0,0 +1,10 @@
+// util for creating reducers
+// based off of redux-actions
+// https://redux-actions.js.org/docs/api/handleAction.html#handleactions
+export const handleActions = (actionMap, defaultState) => {
+  return (state = defaultState, action) => {
+    const handler = actionMap[action.type];
+    const newState = handler ? handler(state, action) : {};
+    return Object.assign({}, state, newState);
+  };
+};