chore: bump to h3 v2 rc.20

.changeset/quick-cloths-repair.md

@@ -0,0 +1,6 @@
+---
+'@tanstack/start-server-core': patch
+'@tanstack/router-core': patch
+---
+
+chore: bump to h3 v2 rc 20

e2e/e2e-utils/src/localDummyServer.ts

@@ -1,6 +1,6 @@
 import http from 'node:http'
-import { posts } from './posts'
-import { users } from './users'
+import posts from './posts'
+import users from './users'
 
 // some tests redirect to an external host
 // however, in CI this is unstable due to network conditions

e2e/e2e-utils/src/posts.ts

@@ -7,7 +7,7 @@ export type Post = {
   body: string
 }
 
-export const posts: Array<Post> = [
+const posts: Array<Post> = [
   {
     userId: 1,
     id: 1,
@@ -617,3 +617,6 @@ export const posts: Array<Post> = [
     body: 'cupiditate quo est a modi nesciunt soluta\nipsa voluptas error itaque dicta in\nautem qui minus magnam et distinctio eum\naccusamus ratione error aut',
   },
 ]
+
+export { posts }
+export default posts

e2e/e2e-utils/src/users.ts

@@ -24,7 +24,7 @@ export type User = {
   }
 }
 
-export const users: Array<User> = [
+const users: Array<User> = [
   {
     id: 1,
     name: 'Leanne Graham',
@@ -256,3 +256,6 @@ export const users: Array<User> = [
     },
   },
 ]
+
+export { users }
+export default users

packages/router-core/package.json

@@ -183,7 +183,7 @@
   },
   "dependencies": {
     "@tanstack/history": "workspace:*",
-    "cookie-es": "^2.0.0",
+    "cookie-es": "^3.0.0",
     "seroval": "^1.4.2",
     "seroval-plugins": "^1.4.2"
   },

packages/start-server-core/package.json

@@ -82,13 +82,13 @@
     "@tanstack/router-core": "workspace:*",
     "@tanstack/start-client-core": "workspace:*",
     "@tanstack/start-storage-context": "workspace:*",
-    "h3-v2": "npm:h3@2.0.1-rc.16",
+    "h3-v2": "npm:h3@2.0.1-rc.20",
     "seroval": "^1.4.2"
   },
   "devDependencies": {
     "@standard-schema/spec": "^1.0.0",
     "@tanstack/intent": "^0.0.14",
-    "cookie-es": "^2.0.0",
+    "cookie-es": "^3.0.0",
     "fetchdts": "^0.1.6",
     "vite": "*",
     "@types/node": ">=20"

packages/start-server-core/src/request-response.ts

@@ -118,14 +118,33 @@ function attachResponseHeaders<T>(
   return value
 }
 
+function createMalformedPathFallbackRequest(request: Request): Request {
+  const url = new URL(request.url)
+  url.pathname = '/__tanstack_start_malformed_path__'
+
+  return new Request(url, request)
+}
+
 export function requestHandler<TRegister = unknown>(
   handler: RequestHandler<TRegister>,
 ) {
   return (request: Request, requestOpts: any): Promise<Response> | Response => {
-    const h3Event = new H3Event(request)
+    let effectiveRequest = request
+    let h3Event: H3Event
+
+    try {
+      h3Event = new H3Event(request)
+    } catch (error) {
+      if (!(error instanceof URIError)) {
+        throw error
+      }
+
+      effectiveRequest = createMalformedPathFallbackRequest(request)
+      h3Event = new H3Event(effectiveRequest)
+    }
 
     const response = eventStorage.run({ h3Event }, () =>
-      handler(request, requestOpts),
+      handler(effectiveRequest, requestOpts),
     )
     return h3_toResponse(attachResponseHeaders(response, h3Event), h3Event)
   }
@@ -284,7 +303,16 @@ export function setResponseStatus(code?: number, text?: string): void {
  */
 export function getCookies(): Record<string, string> {
   const event = getH3Event()
-  return h3_parseCookies(event)
+  const cookies = h3_parseCookies(event)
+  const definedCookies = Object.create(null) as Record<string, string>
+
+  for (const [name, value] of Object.entries(cookies)) {
+    if (value !== undefined) {
+      definedCookies[name] = value
+    }
+  }
+
+  return definedCookies
 }
 
 /**