react-code-dataset / next.js /packages /next /src /client /components /router-reducer /router-reducer.ts
| import { | |
| ACTION_NAVIGATE, | |
| ACTION_SERVER_PATCH, | |
| ACTION_RESTORE, | |
| ACTION_REFRESH, | |
| ACTION_PREFETCH, | |
| ACTION_HMR_REFRESH, | |
| ACTION_SERVER_ACTION, | |
| } from './router-reducer-types' | |
| import type { | |
| ReducerActions, | |
| ReducerState, | |
| ReadonlyReducerState, | |
| } from './router-reducer-types' | |
| import { navigateReducer } from './reducers/navigate-reducer' | |
| import { serverPatchReducer } from './reducers/server-patch-reducer' | |
| import { restoreReducer } from './reducers/restore-reducer' | |
| import { refreshReducer } from './reducers/refresh-reducer' | |
| import { prefetchReducer } from './reducers/prefetch-reducer' | |
| import { hmrRefreshReducer } from './reducers/hmr-refresh-reducer' | |
| import { serverActionReducer } from './reducers/server-action-reducer' | |
| /** | |
| * Reducer that handles the app-router state updates. | |
| */ | |
| function clientReducer( | |
| state: ReadonlyReducerState, | |
| action: ReducerActions | |
| ): ReducerState { | |
| switch (action.type) { | |
| case ACTION_NAVIGATE: { | |
| return navigateReducer(state, action) | |
| } | |
| case ACTION_SERVER_PATCH: { | |
| return serverPatchReducer(state, action) | |
| } | |
| case ACTION_RESTORE: { | |
| return restoreReducer(state, action) | |
| } | |
| case ACTION_REFRESH: { | |
| return refreshReducer(state, action) | |
| } | |
| case ACTION_HMR_REFRESH: { | |
| return hmrRefreshReducer(state, action) | |
| } | |
| case ACTION_PREFETCH: { | |
| return prefetchReducer(state, action) | |
| } | |
| case ACTION_SERVER_ACTION: { | |
| return serverActionReducer(state, action) | |
| } | |
| // This case should never be hit as dispatch is strongly typed. | |
| default: | |
| throw new Error('Unknown action') | |
| } | |
| } | |
| function serverReducer( | |
| state: ReadonlyReducerState, | |
| _action: ReducerActions | |
| ): ReducerState { | |
| return state | |
| } | |
| // we don't run the client reducer on the server, so we use a noop function for better tree shaking | |
| export const reducer = | |
| typeof window === 'undefined' ? serverReducer : clientReducer | |