benchmark navigation

packages/router-core/package.json

@@ -88,6 +88,7 @@
     "tiny-warning": "^1.0.3"
   },
   "devDependencies": {
-    "esbuild": "^0.25.0"
+    "esbuild": "^0.25.0",
+    "zod": "^3.24.2"
   }
 }

packages/router-core/tests/navigation.bench.ts

@@ -0,0 +1,215 @@
+import { bench, describe } from 'vitest'
+import { createMemoryHistory } from '@tanstack/history'
+import { z } from 'zod'
+import { BaseRootRoute, BaseRoute, RouterCore } from '../src'
+
+// ============================================================================
+// Router with Zod search validation (realistic scenario)
+// ============================================================================
+function createRouter() {
+  const rootRoute = new BaseRootRoute({})
+
+  const indexRoute = new BaseRoute({
+    getParentRoute: () => rootRoute,
+    path: '/',
+  })
+
+  const usersRoute = new BaseRoute({
+    getParentRoute: () => rootRoute,
+    path: '/users',
+    validateSearch: z.object({
+      filter: z.enum(['active', 'inactive', 'all']).optional(),
+      sort: z.enum(['name', 'date', 'email']).optional(),
+      page: z.number().optional(),
+    }),
+  })
+
+  const userRoute = new BaseRoute({
+    getParentRoute: () => usersRoute,
+    path: '/$userId',
+  })
+
+  const userSettingsRoute = new BaseRoute({
+    getParentRoute: () => userRoute,
+    path: '/settings',
+    validateSearch: z.object({
+      tab: z.enum(['general', 'security', 'notifications']).optional(),
+    }),
+  })
+
+  const productsRoute = new BaseRoute({
+    getParentRoute: () => rootRoute,
+    path: '/products',
+    validateSearch: z.object({
+      category: z.string().optional(),
+      minPrice: z.number().optional(),
+      maxPrice: z.number().optional(),
+      inStock: z.boolean().optional(),
+    }),
+  })
+
+  const productRoute = new BaseRoute({
+    getParentRoute: () => productsRoute,
+    path: '/$productId',
+  })
+
+  const productReviewsRoute = new BaseRoute({
+    getParentRoute: () => productRoute,
+    path: '/reviews',
+    validateSearch: z.object({
+      rating: z.number().optional(),
+      verified: z.boolean().optional(),
+    }),
+  })
+
+  const routeTree = rootRoute.addChildren([
+    indexRoute,
+    usersRoute.addChildren([userRoute.addChildren([userSettingsRoute])]),
+    productsRoute.addChildren([
+      productRoute.addChildren([productReviewsRoute]),
+    ]),
+  ])
+
+  return new RouterCore({
+    routeTree,
+    history: createMemoryHistory(),
+  })
+}
+
+// ============================================================================
+// Real Navigation Benchmarks - Tests actual navigate() calls
+// ============================================================================
+
+describe('Navigation: search param updates (same route)', () => {
+  bench('update page number 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    // Navigate to users route first
+    await router.navigate({
+      to: '/users',
+      search: { filter: 'active', sort: 'name', page: 1 },
+    })
+
+    // Update page param repeatedly
+    for (let i = 0; i < 1000; i++) {
+      await router.navigate({
+        to: '/users',
+        search: { filter: 'active', sort: 'name', page: i % 100 },
+      })
+    }
+  })
+
+  bench('toggle filter param 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    await router.navigate({
+      to: '/users',
+      search: { filter: 'active', sort: 'name', page: 1 },
+    })
+
+    const filters = ['active', 'inactive', 'all'] as const
+    for (let i = 0; i < 1000; i++) {
+      await router.navigate({
+        to: '/users',
+        search: { filter: filters[i % 3], sort: 'name', page: 1 },
+      })
+    }
+  })
+})
+
+describe('Navigation: route changes with params', () => {
+  bench('navigate between user profiles 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    for (let i = 0; i < 1000; i++) {
+      await router.navigate({
+        to: '/users/$userId/settings',
+        params: { userId: `user-${i % 100}` },
+        search: { tab: 'security' },
+      })
+    }
+  })
+
+  bench('navigate between products 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    for (let i = 0; i < 1000; i++) {
+      await router.navigate({
+        to: '/products/$productId/reviews',
+        params: { productId: `prod-${i % 100}` },
+        search: { rating: (i % 5) + 1, verified: i % 2 === 0 },
+      })
+    }
+  })
+})
+
+describe('Navigation: mixed navigation patterns', () => {
+  bench('alternating routes 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    for (let i = 0; i < 1000; i++) {
+      if (i % 2 === 0) {
+        await router.navigate({
+          to: '/users/$userId/settings',
+          params: { userId: `user-${i}` },
+          search: { tab: 'general' },
+        })
+      } else {
+        await router.navigate({
+          to: '/products/$productId/reviews',
+          params: { productId: `prod-${i}` },
+          search: { rating: 5, verified: true },
+        })
+      }
+    }
+  })
+
+  bench('deep to shallow navigation 1000x', async () => {
+    const router = createRouter()
+    await router.load()
+
+    for (let i = 0; i < 1000; i++) {
+      if (i % 2 === 0) {
+        // Deep route
+        await router.navigate({
+          to: '/users/$userId/settings',
+          params: { userId: `user-${i}` },
+          search: { tab: 'security' },
+        })
+      } else {
+        // Shallow route
+        await router.navigate({
+          to: '/',
+        })
+      }
+    }
+  })
+})
+
+describe('Navigation: back/forward simulation', () => {
+  bench('push 500 then back 500', async () => {
+    const router = createRouter()
+    await router.load()
+
+    // Push 500 navigations
+    for (let i = 0; i < 500; i++) {
+      await router.navigate({
+        to: '/users/$userId/settings',
+        params: { userId: `user-${i}` },
+        search: { tab: i % 2 === 0 ? 'general' : 'security' },
+      })
+    }
+
+    // Go back 500 times
+    for (let i = 0; i < 500; i++) {
+      router.history.back()
+      // Wait for history to settle
+      await new Promise((r) => setTimeout(r, 0))
+    }
+  })
+})