fix(e2e,config): provide fallback compatibilityDate

package.json

@@ -78,6 +78,7 @@
     "@vitest/ui": "2.0.4",
     "@vue/test-utils": "2.4.6",
     "changelogen": "0.5.5",
+    "compatx": "^0.1.8",
     "eslint": "9.7.0",
     "h3": "1.12.0",
     "jiti": "1.21.6",

src/config.ts

@@ -4,6 +4,7 @@ import { defineConfig } from 'vite'
 import { setupDotenv } from 'c12'
 import type { DotenvOptions } from 'c12'
 import type { InlineConfig } from 'vite'
+import type { DateString } from 'compatx'
 import { defu } from 'defu'
 import { createResolver } from '@nuxt/kit'
 
@@ -32,6 +33,10 @@ async function startNuxtAndGetViteConfig(
       cwd: rootDir,
       fileName: '.env.test',
     }),
+    defaults: {
+      // suppress compatibility date warning for runtime environment tests
+      compatibilityDate: '2024-04-03' as DateString,
+    },
     overrides: defu(
       {
         appId: 'nuxt-app',

src/core/context.ts

@@ -1,6 +1,7 @@
 import { resolve } from 'node:path'
 import { defu } from 'defu'
 import { withTrailingSlash } from 'ufo'
+import type { DateString } from 'compatx'
 import type { TestContext, TestOptions } from './types'
 
 let currentContext: TestContext | undefined
@@ -15,7 +16,10 @@ export function createTestContext(options: Partial<TestOptions>): TestContext {
     logLevel: 1,
     server: true,
     build: (options.browser !== false) || (options.server !== false),
-    nuxtConfig: {},
+    nuxtConfig: {
+      // suppress compatibility date warning for runtime environment tests
+      compatibilityDate: '2024-04-03' as DateString,
+    },
     browserOptions: {
       type: 'chromium' as const,
     },