follow as redux

src/reducers/follow.js

@@ -0,0 +1,31 @@
+import actions from '../actions';
+
+const defaultState = {
+  enabled: false,
+  newTab: false,
+  keys: [],
+};
+
+export default function reducer(state = defaultState, action = {}) {
+  switch (action.type) {
+  case actions.FOLLOW_ENABLE:
+    return Object.assign({}, state, {
+      enabled: true,
+      newTab: action.newTab,
+    });
+  case actions.FOLLOW_DISABLE:
+    return Object.assign({}, state, {
+      enabled: false,
+    });
+  case actions.FOLLOW_KEY_PRESS:
+    return Object.assign({}, state, {
+      keys: state.keys.concat([action.key]),
+    });
+  case actions.FOLLOW_BACKSPACE:
+    return Object.assign({}, state, {
+      keys: state.keys.slice(0, -1),
+    });
+  default:
+    return state;
+  }
+}