Move to vitest and update vulnerable deps

package.json

@@ -23,7 +23,7 @@
   "scripts": {
     "watch": "tsc --watch",
     "compile": "tsc",
-    "test": "mocha --ui=tdd ./out/tests/all.test.js",
+    "test": "vitest run",
     "benchmark": "node benchmark/benchmark.js",
     "inspect": "node out/tests/inspect.js",
     "tmconvert": "node scripts/tmconvert.js",
@@ -35,14 +35,17 @@
   },
   "devDependencies": {
     "@microsoft/api-extractor": "^7.48.0",
-    "@types/mocha": "^9.1.0",
-    "@types/node": "^16.6.1",
+    "@types/node": "^20.0.0",
     "copy-webpack-plugin": "^9.1.0",
     "mkdirp": "^3.0.1",
-    "mocha": "^11.1.0",
-    "typescript": "^4.3.5",
+    "typescript": "^5.5.0",
+    "vitest": "^4.0.18",
     "vscode-oniguruma": "^1.5.1",
     "webpack": "^5.50.0",
     "webpack-cli": "^4.8.0"
+  },
+  "overrides": {
+    "serialize-javascript": ">=7.0.3",
+    "minimatch@>=10.0.0 <10.2.3": "10.2.3"
   }
-}
+}

src/tests/grammar.test.ts

@@ -2,6 +2,7 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
+import { test } from 'vitest';
 import * as assert from 'assert';
 import { EncodedTokenAttributes, OptionalStandardTokenType, StandardTokenType } from '../encodedTokenAttributes';
 import { Registry } from '../main';

src/tests/json.test.ts

@@ -2,6 +2,7 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
+import { test } from 'vitest';
 import * as assert from 'assert';
 import { parseJSON } from '../json';
 

src/tests/matcher.test.ts

@@ -2,6 +2,7 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
+import { test } from 'vitest';
 import * as assert from 'assert';
 import { createMatchers } from '../matcher';
 

src/tests/themes.test.ts

@@ -2,6 +2,7 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
+import { test, describe } from 'vitest';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as assert from 'assert';
@@ -108,8 +109,7 @@ class ThemeInfo {
 
 	for (let testFile of testFiles) {
 		let tst = new ThemeTest(THEMES_TEST_PATH, testFile, _themeData, _resolver);
-		test(tst.testName, async function () {
-			this.timeout(20000);
+		test(tst.testName, { timeout: 20000 }, async () => {
 			try {
 				await tst.evaluate();
 				assert.deepStrictEqual(tst.actual, tst.expected);
@@ -126,8 +126,7 @@ test('Tokenize test1.ts with TypeScript grammar and dark_vs theme', async () =>
 	await testTokenizationTime('test1.ts');
 });
 
-test('Tokenize test2.ts with TypeScript grammar and dark_vs theme', async function () {
-	this.timeout(0);
+test('Tokenize test2.ts with TypeScript grammar and dark_vs theme', { timeout: 0 }, async () => {
 	await testTokenizationTime('test2.ts');
 });
 
@@ -236,7 +235,7 @@ test('Theme matching gives higher priority to parent matches 2', () => {
 	assert.strictEqual(colorMap[result!.foregroundId], '#300000');
 });
 
-suite('Theme matching can match', () => {
+describe('Theme matching can match', () => {
 	const theme = Theme.createFromRawTheme({
 		settings: [
 			{ settings: { foreground: '#F8F8F2', background: '#272822' } },

src/tests/tokenization.test.ts

@@ -2,6 +2,7 @@
  * Copyright (C) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------*/
 
+import { test } from 'vitest';
 import * as fs from 'fs';
 import * as path from 'path';
 import * as assert from 'assert';

tsconfig.json

@@ -7,6 +7,7 @@
 		"sourceMap": true,
 		"declaration": true,
 		"strict": true,
+		"skipLibCheck": true,
 		"newLine": "lf",
 		"lib": [
 			"es5",

vitest.config.ts

@@ -0,0 +1,7 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+	test: {
+		include: ['src/tests/**/*.test.ts'],
+	},
+});