react-code-dataset / next.js /packages /next /src /client /components /router-reducer /is-navigating-to-new-root-layout.test.ts
| import type { FlightRouterState } from '../../../server/app-render/types' | |
| import { isNavigatingToNewRootLayout } from './is-navigating-to-new-root-layout' | |
| describe('isNavigatingToNewRootLayout', () => { | |
| it('should return false if there is no new root layout', () => { | |
| const getInitialRouterStateTree = (): FlightRouterState => [ | |
| '', | |
| { | |
| children: [ | |
| 'linking', | |
| { | |
| children: ['', {}], | |
| }, | |
| ], | |
| }, | |
| undefined, | |
| undefined, | |
| true, | |
| ] | |
| const initialRouterStateTree = getInitialRouterStateTree() | |
| const getNewRouterStateTree = (): FlightRouterState => { | |
| return [ | |
| '', | |
| { | |
| children: [ | |
| 'link-hard-push', | |
| { | |
| children: [ | |
| ['id', '456', 'd'], | |
| { | |
| children: ['', {}], | |
| }, | |
| ], | |
| }, | |
| ], | |
| }, | |
| null, | |
| null, | |
| true, | |
| ] | |
| } | |
| const newRouterState = getNewRouterStateTree() | |
| const result = isNavigatingToNewRootLayout( | |
| newRouterState, | |
| initialRouterStateTree | |
| ) | |
| expect(result).toBe(false) | |
| }) | |
| it('should return true if there is a mismatch between the root layouts', () => { | |
| const getInitialRouterStateTree = (): FlightRouterState => [ | |
| '', | |
| { | |
| children: [ | |
| 'linking', | |
| { | |
| children: ['', {}], | |
| }, | |
| undefined, | |
| undefined, | |
| // Root layout at `linking` level. | |
| true, | |
| ], | |
| }, | |
| ] | |
| const initialRouterStateTree = getInitialRouterStateTree() | |
| const getNewRouterStateTree = (): FlightRouterState => { | |
| return [ | |
| '', | |
| { | |
| children: [ | |
| 'link-hard-push', | |
| { | |
| children: [ | |
| ['id', '456', 'd'], | |
| { | |
| children: ['', {}], | |
| }, | |
| ], | |
| }, | |
| null, | |
| null, | |
| // Root layout at `link-hard-push` level. | |
| true, | |
| ], | |
| }, | |
| ] | |
| } | |
| const newRouterState = getNewRouterStateTree() | |
| const result = isNavigatingToNewRootLayout( | |
| newRouterState, | |
| initialRouterStateTree | |
| ) | |
| expect(result).toBe(true) | |
| }) | |
| }) | |