Function createEdgeCaseTestRouter

packages/solid-router/tests/navigate.test.tsx:1139–1165

(initialHistory?: RouterHistory)

describe('router.navigate navigation using optional path parameters - edge cases and validations', () => {
  function createEdgeCaseTestRouter(initialHistory?: RouterHistory) {
    const history =
      initialHistory ?? createMemoryHistory({ initialEntries: ['/'] })

    const rootRoute = createRootRoute({})
    const indexRoute = createRoute({
      getParentRoute: () => rootRoute,
      path: '/',
    })

    // Route with prefix/suffix
    const filesRoute = createRoute({
      getParentRoute: () => rootRoute,
      path: '/files/prefix{-$name}.txt',
    })

    // Route with all optional params
    const dateRoute = createRoute({
      getParentRoute: () => rootRoute,
      path: '/date/{-$year}/{-$month}/{-$day}',
    })

    const routeTree = rootRoute.addChildren([indexRoute, filesRoute, dateRoute])
    const router = createRouter({ routeTree, history })

    return { router }
  }

  it('should handle optional parameters with prefix/suffix correctly', async () => {
    const { router } = createEdgeCaseTestRouter(