From cac05b30d84ab75b5592590c1f48e333d833823d Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 1 Jul 2025 11:21:45 +0100
Subject: [PATCH 1/4] refactor(config)!: drop support for `vitest` < v3.2

---
 package.json  |  2 +-
 src/config.ts | 10 +++++-----
 2 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/package.json b/package.json
index 974c711d2..c3333105d 100644
--- a/package.json
+++ b/package.json
@@ -130,7 +130,7 @@
     "happy-dom": "^9.10.9 || ^10.0.0 || ^11.0.0 || ^12.0.0 || ^13.0.0 || ^14.0.0 || ^15.0.0 || ^16.0.0 || ^17.0.0 || ^18.0.0",
     "jsdom": "^22.0.0 || ^23.0.0 || ^24.0.0 || ^25.0.0 || ^26.0.0",
     "playwright-core": "^1.43.1",
-    "vitest": "^0.34.6 || ^1.0.0 || ^2.0.0 || ^3.0.0"
+    "vitest": "^3.2.0"
   },
   "peerDependenciesMeta": {
     "@cucumber/cucumber": {
diff --git a/src/config.ts b/src/config.ts
index 30f46337c..75ed93229 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -245,16 +245,16 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
       return resolvedConfig
     }
 
-    if ('workspace' in resolvedConfig.test) {
+    if ('workspace' in resolvedConfig.test || 'projects' in resolvedConfig.test) {
       throw new Error(
-        'The `workspace` option is not supported with `defineVitestConfig`. Instead, use `defineVitestProject` to define each workspace project that uses the Nuxt environment.',
+        'The `projects` option is not supported with `defineVitestConfig`. Instead, use `defineVitestProject` to define each workspace project that uses the Nuxt environment.',
       )
     }
 
     const defaultEnvironment = resolvedConfig.test.environment || 'node'
     if (defaultEnvironment !== 'nuxt') {
-      resolvedConfig.test.workspace = []
-      resolvedConfig.test.workspace.push({
+      resolvedConfig.test.projects = []
+      resolvedConfig.test.projects.push({
         extends: true,
         test: {
           name: 'nuxt',
@@ -265,7 +265,7 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
           ],
         },
       })
-      resolvedConfig.test.workspace.push({
+      resolvedConfig.test.projects.push({
         extends: true,
         test: {
           name: defaultEnvironment,

From ea0f4d35c04652969eb2ad14154e1361159ee572 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 1 Jul 2025 11:46:14 +0100
Subject: [PATCH 2/4] fix: test vitest version before using 'projects'

---
 src/config.ts | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/config.ts b/src/config.ts
index 75ed93229..860cf44d5 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -253,8 +253,18 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
 
     const defaultEnvironment = resolvedConfig.test.environment || 'node'
     if (defaultEnvironment !== 'nuxt') {
-      resolvedConfig.test.projects = []
-      resolvedConfig.test.projects.push({
+      const key = 'projects' in resolvedConfig.test
+        ? 'projects'
+        : 'workspace' in resolvedConfig.test
+          ? 'workspace'
+          : await import('vitest/package.json').then((r) => {
+            const [major, minor] = r.version.split('.')
+            return Number.parseInt(major, 10) > 3 || (Number.parseInt(major, 10) === 3 && Number.parseInt(minor, 10) >= 2)
+          })
+            ? 'projects'
+            : 'workspace'
+      resolvedConfig.test[key] = []
+      resolvedConfig.test[key].push({
         extends: true,
         test: {
           name: 'nuxt',
@@ -265,7 +275,7 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
           ],
         },
       })
-      resolvedConfig.test.projects.push({
+      resolvedConfig.test[key].push({
         extends: true,
         test: {
           name: defaultEnvironment,

From 50e54e3e79ab3aa6a0e6218e40808dbe17e1caf9 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 1 Jul 2025 11:51:38 +0100
Subject: [PATCH 3/4] fix: add import attribute

---
 src/config.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index 860cf44d5..68756d1aa 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -257,7 +257,7 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
         ? 'projects'
         : 'workspace' in resolvedConfig.test
           ? 'workspace'
-          : await import('vitest/package.json').then((r) => {
+          : await import('vitest/package.json', { with: { type: 'json' } }).then((r) => {
             const [major, minor] = r.version.split('.')
             return Number.parseInt(major, 10) > 3 || (Number.parseInt(major, 10) === 3 && Number.parseInt(minor, 10) >= 2)
           })

From f814a06eebf3ba91ff151ca04c76f8be84a8a937 Mon Sep 17 00:00:00 2001
From: Daniel Roe <daniel@roe.dev>
Date: Tue, 1 Jul 2025 11:52:30 +0100
Subject: [PATCH 4/4] chore: dedefault

---
 src/config.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/config.ts b/src/config.ts
index 68756d1aa..25f2f7cd0 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -258,7 +258,7 @@ export function defineVitestConfig(config: ViteUserConfig & { test?: VitestConfi
         : 'workspace' in resolvedConfig.test
           ? 'workspace'
           : await import('vitest/package.json', { with: { type: 'json' } }).then((r) => {
-            const [major, minor] = r.version.split('.')
+            const [major, minor] = (r.default || r).version.split('.')
             return Number.parseInt(major, 10) > 3 || (Number.parseInt(major, 10) === 3 && Number.parseInt(minor, 10) >= 2)
           })
             ? 'projects'