Clean away Ava

This removes Ava from the monorepo as Vitest is now
used for all javascript tests.

This also adds a cleanup hook as running the tests locally could leave 
multiple instances of Node running in the background.

Author: NigelBreslaw

api/node/__test__/eventloop.spec.mts

@@ -3,11 +3,15 @@
 
 // Test that the Slint event loop processes libuv's events.
 
-import { test, expect } from "vitest";
+import { test, expect, afterEach } from "vitest";
 import * as http from "node:http";
 
 import { runEventLoop, quitEventLoop, private_api } from "../dist/index.js";
 
+afterEach(() => {
+    quitEventLoop();
+});
+
 test.sequential("merged event loops with timer", async () => {
     let invoked = false;
 

api/node/package.json

@@ -20,11 +20,9 @@
   ],
   "description": "Slint is a declarative GUI toolkit to build native user interfaces for desktop and embedded applications.",
   "devDependencies": {
-    "@ava/typescript": "6.0.0",
     "@biomejs/biome": "catalog:",
     "@types/capture-console": "1.0.5",
     "@types/node": "catalog:",
-    "ava": "6.4.1",
     "capture-console": "1.0.2",
     "jimp": "1.6.0",
     "typedoc": "0.28.14",
@@ -50,30 +48,6 @@
     "lint:fix": "biome lint --fix",
     "test": "vitest run"
   },
-  "ava": {
-    "typescript": {
-      "rewritePaths": {
-        "__test__/": "build/"
-      },
-      "compile": false,
-      "extensions": [
-        "mts"
-      ]
-    },
-    "timeout": "2m",
-    "workerThreads": false,
-    "files": [
-      "**/*.spec.mts",
-      "!**/window.spec.mts",
-      "!**/types.spec.mts",
-      "!**/models.spec.mts",
-      "!**/globals.spec.mts",
-      "!**/compiler.spec.mts",
-      "!**/api.spec.mts",
-      "!**/js_value_conversion.spec.mts",
-      "!**/eventloop.spec.mts"
-    ]
-  },
   "dependencies": {
     "@napi-rs/cli": "2.18.4",
     "strip-ansi": "7.1.2"

api/node/vitest.config.ts

@@ -5,18 +5,10 @@ import { defineConfig } from "vitest/config";
 
 export default defineConfig({
     test: {
-        include: [
-            "**/window.spec.mts",
-            "**/types.spec.mts",
-            "**/models.spec.mts",
-            "**/globals.spec.mts",
-            "**/compiler.spec.mts",
-            "**/api.spec.mts",
-            "**/js_value_conversion.spec.mts",
-            "**/eventloop.spec.mts",
-        ],
+        include: ["**/*.spec.mts"],
         globals: true, // Enable global test/expect/describe
-        isolate: true, // Use separate processes for isolation (matching ava's workerThreads: false)
-        reporters: ["verbose"], // Show individual test names (similar to Ava output)
+        pool: "forks", // Use process forks (required for native modules that need main thread)
+        teardownTimeout: 5000, // Force teardown after 5s to prevent hanging processes
+        reporters: ["verbose"], // Show individual test names
     },
 });