1 files changed, 43 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/reducers/sidebar.js b/devtools/client/netmonitor/reducers/sidebar.js
new file mode 100644
index 000000000..eaa8b63df
--- /dev/null
+++ b/devtools/client/netmonitor/reducers/sidebar.js
@@ -0,0 +1,43 @@
+/* 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 I = require("devtools/client/shared/vendor/immutable");
+const {
+  DISABLE_TOGGLE_BUTTON,
+  SHOW_SIDEBAR,
+  TOGGLE_SIDEBAR,
+} = require("../constants");
+
+const SidebarState = I.Record({
+  toggleButtonDisabled: true,
+  visible: false,
+});
+
+function disableToggleButton(state, action) {
+  return state.set("toggleButtonDisabled", action.disabled);
+}
+
+function showSidebar(state, action) {
+  return state.set("visible", action.visible);
+}
+
+function toggleSidebar(state, action) {
+  return state.set("visible", !state.visible);
+}
+
+function sidebar(state = new SidebarState(), action) {
+  switch (action.type) {
+    case DISABLE_TOGGLE_BUTTON:
+      return disableToggleButton(state, action);
+    case SHOW_SIDEBAR:
+      return showSidebar(state, action);
+    case TOGGLE_SIDEBAR:
+      return toggleSidebar(state, action);
+    default:
+      return state;
+  }
+}
+
+module.exports = sidebar;