Update vitest to v4

Author: Hoishin

.changeset/tiny-windows-ring.md

@@ -0,0 +1,7 @@
+---
+"@effect/vitest": major
+---
+
+Support vitest v4
+
+This updates vitest in peer dependency from v3 to v4.

package.json

@@ -51,10 +51,10 @@
     "@types/node": "^22.15.18",
     "@typescript-eslint/eslint-plugin": "^8.32.1",
     "@typescript-eslint/parser": "^8.32.1",
-    "@vitest/browser": "^3.2.4",
-    "@vitest/coverage-v8": "^3.2.4",
-    "@vitest/expect": "^3.2.4",
-    "@vitest/web-worker": "^3.2.4",
+    "@vitest/browser": "^4.0.12",
+    "@vitest/coverage-v8": "^4.0.12",
+    "@vitest/expect": "^4.0.12",
+    "@vitest/web-worker": "^4.0.12",
     "ast-types": "^0.14.2",
     "babel-plugin-annotate-pure-calls": "^0.5.0",
     "eslint": "^9.26.0",
@@ -73,7 +73,7 @@
     "tsx": "^4.19.4",
     "typescript": "^5.8.3",
     "vite": "^6.1.1",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.12"
   },
   "pnpm": {
     "patchedDependencies": {

packages/vitest/package.json

@@ -35,11 +35,13 @@
     "coverage": "vitest --coverage"
   },
   "peerDependencies": {
+    "@vitest/runner": "^4.0.0",
     "effect": "workspace:^",
-    "vitest": "^3.2.0"
+    "vitest": "^4.0.0"
   },
   "devDependencies": {
+    "@vitest/runner": "^4.0.12",
     "effect": "workspace:^",
-    "vitest": "^3.2.4"
+    "vitest": "^4.0.12"
   }
 }

packages/vitest/src/index.ts

@@ -1,6 +1,7 @@
 /**
  * @since 1.0.0
  */
+import type * as VR from "@vitest/runner"
 import type * as Duration from "effect/Duration"
 import type * as Effect from "effect/Effect"
 import type * as FC from "effect/FastCheck"
@@ -25,18 +26,10 @@ export type API =
   & TestCollectorCallable
 
 interface TestCollectorCallable<C = object> {
-  /**
-   * @deprecated Use options as the second argument instead
-   */
   <ExtraContext extends C>(
     name: string | Function,
     fn: V.TestFunction<ExtraContext>,
-    options: TestCollectorOptions
-  ): void
-  <ExtraContext extends C>(
-    name: string | Function,
-    fn?: V.TestFunction<ExtraContext>,
-    options?: number | TestCollectorOptions
+    options?: number
   ): void
   <ExtraContext extends C>(
     name: string | Function,
@@ -45,17 +38,7 @@ interface TestCollectorCallable<C = object> {
   ): void
 }
 
-type TestCollectorOptions = {
-  concurrent?: boolean
-  sequential?: boolean
-  only?: boolean
-  skip?: boolean
-  todo?: boolean
-  fails?: boolean
-  timeout?: number
-  retry?: number
-  repeats?: number
-}
+type TestCollectorOptions = Omit<VR.TestOptions, "shuffle">
 
 /**
  * @since 1.0.0

packages/vitest/src/utils.ts

@@ -86,7 +86,7 @@ export function assertInstanceOf<C extends abstract new(...args: any) => any>(
   message?: string,
   ..._: Array<never>
 ): asserts value is InstanceType<C> {
-  // @ts-ignore
+  // @ts-expect-error Chai type does not allow abstract constructors
   vassert.instanceOf(value, constructor, message)
 }
 

packages/vitest/tsconfig.src.json

@@ -1,12 +1,11 @@
 {
   "extends": "../../tsconfig.base.json",
   "include": ["src"],
-  "references": [
-    { "path": "../effect/tsconfig.src.json" }
-  ],
+  "references": [{ "path": "../effect/tsconfig.src.json" }],
   "compilerOptions": {
     "outDir": "build/src",
     "tsBuildInfoFile": ".tsbuildinfo/src.tsbuildinfo",
-    "rootDir": "src"
+    "rootDir": "src",
+    "types": ["node"]
   }
 }