Update vitest config after 3.0 upgrade

env.d.ts

 /// <reference types="vite/client" />
-
-import type { LanguageCode } from 'iso-639-1'
-
-interface ImportMetaEnv {
-  readonly VITE_FALLBACK_LOCALE: LanguageCode;
-}
\ No newline at end of file
+/// <reference types="@vitest/browser/matchers" />
+/// <reference types="@vitest/browser/providers/playwright" />
\ No newline at end of file

package.json

@@ -29,11 +29,11 @@
     "dev": "vite",
     "build": "vite build",
     "build:app": "vite build --mode app",
-    "test": "vitest --project unit --project e2e",
-    "test:unit": "vitest --project unit --ui",
-    "test:e2e": "vitest --project e2e",
-    "test:coverage": "vitest --coverage --project unit --project playwright",
-    "test:husky": "vitest --project unit --project playwright --run",
+    "test": "vitest --workspace=vitest.workspace.ts",
+    "test:unit": "vitest --project unit",
+    "test:browser": "vitest --workspace=vitest.workspace.ts --project playwright",
+    "test:coverage": "vitest --workspace=vitest.workspace.ts --coverage",
+    "test:husky": "vitest --workspace=vitest.workspace.ts --run",
     "test:list": "vitest list",
     "format": "prettier --config ../../.prettierrc.json --write src/",
     "format:silent": "prettier --config ../../.prettierrc.json --log-level silent --write src/",
@@ -52,7 +52,7 @@
     "@types/node": "^22.10.7",
     "@types/uuid": "^10.0.0",
     "@vitest/browser": "^3.0.1",
-    "@vitest/coverage-v8": "^3.0.1",
+    "@vitest/coverage-istanbul": "^3.0.1",
     "@vitest/eslint-plugin": "^1.1.25",
     "@vitest/mocker": "^3.0.1",
     "@vitest/ui": "^3.0.1",

tsconfig.json

@@ -2,7 +2,8 @@
   "compilerOptions": {
     "types": [
       "vitest/globals",
-      "@testing-library/jest-dom"
+      "@testing-library/jest-dom",
+      "@vitest/browser/providers/playwright"
     ],
     "resolveJsonModule": true,
     "esModuleInterop": true,

vitest.config.ts

@@ -26,8 +26,8 @@ export default defineConfig({
   },
   test: {
     coverage: {
-      provider: 'v8',
-      exclude: [...configDefaults.coverage.exclude, 'src/index.ts'],
+      provider: 'istanbul',
+      exclude: [...configDefaults.coverage.exclude, 'src/index.ts', 'viewer/**/*'],
     },
     setupFiles: [
       // @ts-ignore: Fix the import.meta issue

vitest.workspace.ts

@@ -13,23 +13,21 @@ export default defineWorkspace([
   {
     extends: './vitest.config.ts',
     test: {
-      browser: {
-        instances: [{ browser: 'chromium', headless: false }],
-        enabled: true,
-      },
       include: ['**/*.e2e.spec.ts'],
-      name: 'e2e',
-    },
-  },
-  {
-    extends: './vitest.config.ts',
-    test: {
+      name: 'browser',
       browser: {
-        instances: [{ browser: 'chromium', headless: true }],
         enabled: true,
+        provider: 'playwright',
+        // https://vitest.dev/guide/browser/playwright
+        instances: [
+          { browser: 'chromium', headless: true },
+          { browser: 'firefox', headless: true },
+          {
+            browser: 'webkit',
+            headless: true,
+          },
+        ],
       },
-      include: ['**/*.e2e.spec.ts'],
-      name: 'playwright',
     },
   },
 ])