Refactor reducers

app/src/reducers/Global.ts

@@ -0,0 +1,65 @@
+import { Action, Reducer } from 'redux'
+import { Record } from 'immutable'
+import { trackEvent } from '../utils/tracking'
+
+export enum ActionTypes {
+  showUpdateNotification = 'SHOW_UPDATE_NOTIFICATION',
+  showUpdateDetails = 'SHOW_UPDATE_DETAILS',
+  showError = 'SHOW_ERROR',
+  showNotification = 'SHOW_NOTIFICATION',
+  didLaunch = 'DID_LAUNCH',
+  toggleSettingsVisibility = 'TOGGLE_SETTINGS_VISIBILITY',
+}
+
+export interface GlobalAction extends Action {
+  type: ActionTypes,
+  showUpdateNotification?: boolean
+  showUpdateDetails?: boolean
+  error?: string
+  notification?: string
+  settingsVisible: boolean
+}
+
+export interface GlobalState {
+  showUpdateNotification?: boolean
+  showUpdateDetails: boolean
+  error?: string
+  notification?: string
+  launching: boolean
+}
+
+const initialGlobalState = Record<GlobalState>({
+  showUpdateNotification: false,
+  showUpdateDetails: false,
+  error: undefined,
+  notification: undefined,
+  launching: true,
+})
+
+export const globalState: Reducer<Record<GlobalState>, GlobalAction> = (state = initialGlobalState(), action): Record<GlobalState> => {
+  trackEvent(action.type)
+  console.log(action.type)
+
+  switch (action.type) {
+  case ActionTypes.showUpdateNotification:
+    return state.set('showUpdateNotification', action.showUpdateNotification)
+
+  case ActionTypes.showError:
+    return state.set('error', action.error)
+
+  case ActionTypes.showNotification:
+    return state.set('notification', action.notification)
+
+  case ActionTypes.didLaunch:
+    return state.set('launching', false)
+
+  case ActionTypes.showUpdateDetails:
+    if (action.showUpdateDetails === undefined) {
+      return state
+    }
+    return state.set('showUpdateDetails', action.showUpdateDetails)
+
+  default:
+    return state
+  }
+}