fix(nuxt): match route rules case-insensitively to mirror vue-router

Refs: GHSA-mm7m-92g8-7m47

Author: danielroe

packages/nitro-server/src/index.ts

@@ -432,7 +432,7 @@ export async function bundle (nuxt: Nuxt & { _nitro?: Nitro }): Promise<void> {
       return cachedMatchers[key] = `
       import { defu } from 'defu'
       const matcher = ${matcher}
-      export default (path) => defu({}, ...matcher('', path).map(r => r.data).reverse())
+      export default (path) => defu({}, ...matcher('', typeof path === 'string' ? path.toLowerCase() : path).map(r => r.data).reverse())
       `
     },
   })

packages/nuxt/src/app/composables/manifest.ts

@@ -68,7 +68,7 @@ export function getRouteRules (url: string): Record<string, any>
 export function getRouteRules (arg: string | H3Event | { path: string }) {
   const path = typeof arg === 'string' ? arg : arg.path
   try {
-    return routeRulesMatcher(path)
+    return routeRulesMatcher(path.toLowerCase())
   } catch (e) {
     console.error('[nuxt] Error matching route rules.', e)
     return {}

test/nuxt/composables.test.ts

@@ -536,6 +536,15 @@ describe.skipIf(!isTestingAppManifest)('app manifests', () => {
       }
     `)
   })
+  it('matches case-insensitively to mirror vue-router defaults', () => {
+    expect(getRouteRules({ path: '/Pre/spa/thing' })).toMatchObject({
+      prerender: true,
+      ssr: false,
+    })
+    expect(getRouteRules({ path: '/PRE/test' })).toMatchObject({
+      redirect: '/',
+    })
+  })
 })
 
 describe('compiled route rules', () => {