unify vitest config w/ projects pattern

- add root vitest.config.ts with projects config
- add vitest.shared.ts for common test settings
- update packages/core and packages/storage to use shared
- downgrade vitest to 3.2.4 (pool-workers incompatible w/ 4.x)
- add syncpack for version sync

Author: dmmulroy

package.json

@@ -16,9 +16,15 @@
     "types": "./dist/core/src/index.d.ts",
     "typesVersions": {
         "*": {
-            ".": ["./dist/core/src/index.d.ts"],
-            "storage": ["./dist/storage/src/index.d.ts"],
-            "alarms": ["./dist/alarms/src/index.d.ts"]
+            ".": [
+                "./dist/core/src/index.d.ts"
+            ],
+            "storage": [
+                "./dist/storage/src/index.d.ts"
+            ],
+            "alarms": [
+                "./dist/alarms/src/index.d.ts"
+            ]
         }
     },
     "files": [
@@ -30,7 +36,11 @@
         "cf-typegen": "wrangler types",
         "build": "tsc -p ./packages",
         "dev": "vite",
-        "clean": "rm -rf dist .wrangler worker-configuration.d.ts"
+        "clean": "rm -rf dist .wrangler worker-configuration.d.ts",
+        "test": "vitest",
+        "test:run": "vitest run",
+        "test:ui": "vitest --ui",
+        "sync:versions": "syncpack fix-mismatches"
     },
     "engines": {
         "node": ">=18.0.0"
@@ -54,8 +64,13 @@
     },
     "devDependencies": {
         "@cloudflare/vite-plugin": "1.12.3",
+        "@cloudflare/vitest-pool-workers": "^0.10.15",
+        "@cloudflare/workers-types": "^4.20251213.0",
+        "@vitest/ui": "^3.2.4",
+        "syncpack": "^13.0.4",
         "typescript": "^5.5.2",
         "vite": "^6.3.5",
+        "vitest": "^3.2.4",
         "wrangler": "^4.34.0"
     }
 }

packages/core/vitest.config.ts

@@ -1,5 +1,12 @@
-import { defineConfig } from "vitest/config";
+import { defineConfig, mergeConfig } from 'vitest/config'
+import { sharedConfig } from '../../vitest.shared'
 
-export default defineConfig({
-  test: {},
-});
+export default mergeConfig(
+  defineConfig(sharedConfig),
+  defineConfig({
+    test: {
+      name: 'core',
+      environment: 'node',
+    },
+  })
+)

packages/storage/package.json

@@ -14,7 +14,7 @@
     "@cloudflare/workers-types": "^4.20250610.0",
     "typescript": "^5.5.2",
     "vite": "^6.3.5",
-    "vitest": "~3.1.0",
+    "vitest": "^3.2.4",
     "wrangler": "^4.16.0"
   }
 }

packages/storage/vitest.config.js

@@ -0,0 +1,17 @@
+import { defineWorkersProject } from '@cloudflare/vitest-pool-workers/config'
+import { sharedConfig } from '../../vitest.shared'
+
+export default defineWorkersProject({
+  test: {
+    ...sharedConfig.test,
+    name: 'storage',
+    poolOptions: {
+      workers: {
+        singleWorker: true,
+        wrangler: {
+          configPath: './test/test-wrangler.jsonc',
+        },
+      },
+    },
+  },
+})