Require Node.js 16

.github/workflows/main.yml

@@ -10,9 +10,9 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 20
           - 18
           - 16
-          - 14
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3

config/plugins.cjs

@@ -153,6 +153,9 @@ module.exports = {
 			},
 		],
 
+		// Temporarily disabled because it's buggy with TypeScript: https://github.com/sindresorhus/eslint-plugin-unicorn/issues/2175
+		'unicorn/no-empty-file': 'off',
+
 		// TODO: Disabled for now until it becomes more stable: https://github.com/sindresorhus/eslint-plugin-unicorn/search?q=consistent-destructuring+is:issue&state=open&type=issues
 		'unicorn/consistent-destructuring': 'off',
 

package.json

@@ -13,7 +13,7 @@
 	"type": "module",
 	"bin": "./cli.js",
 	"engines": {
-		"node": ">=14.16"
+		"node": ">=16"
 	},
 	"scripts": {
 		"test:clean": "find ./test -type d -name 'node_modules' -prune -not -path ./test/fixtures/project/node_modules -exec rm -rf '{}' +",
@@ -52,59 +52,54 @@
 		"javascript",
 		"typescript"
 	],
-	"bundledDependencies": [
-		"@typescript-eslint/eslint-plugin",
-		"@typescript-eslint/parser",
-		"eslint-config-xo-typescript"
-	],
 	"dependencies": {
-		"@eslint/eslintrc": "^1.3.3",
-		"@typescript-eslint/eslint-plugin": "^5.59.1",
-		"@typescript-eslint/parser": "^5.59.1",
+		"@eslint/eslintrc": "^2.1.0",
+		"@typescript-eslint/eslint-plugin": "^6.0.0",
+		"@typescript-eslint/parser": "^6.0.0",
 		"arrify": "^3.0.0",
-		"cosmiconfig": "^8.1.3",
+		"cosmiconfig": "^8.2.0",
 		"define-lazy-prop": "^3.0.0",
-		"eslint": "^8.37.0",
+		"eslint": "^8.45.0",
 		"eslint-config-prettier": "^8.8.0",
 		"eslint-config-xo": "^0.43.1",
-		"eslint-config-xo-typescript": "^0.57.0",
+		"eslint-config-xo-typescript": "^1.0.0",
 		"eslint-formatter-pretty": "^5.0.0",
 		"eslint-import-resolver-webpack": "^0.13.2",
 		"eslint-plugin-ava": "^14.0.0",
 		"eslint-plugin-eslint-comments": "^3.2.0",
 		"eslint-plugin-import": "^2.27.5",
-		"eslint-plugin-n": "^15.7.0",
+		"eslint-plugin-n": "^16.0.1",
 		"eslint-plugin-no-use-extend-native": "^0.5.0",
-		"eslint-plugin-prettier": "^4.2.1",
-		"eslint-plugin-unicorn": "^46.0.0",
+		"eslint-plugin-prettier": "^5.0.0",
+		"eslint-plugin-unicorn": "^48.0.0",
 		"esm-utils": "^4.1.2",
 		"find-cache-dir": "^4.0.0",
 		"find-up": "^6.3.0",
 		"get-stdin": "^9.0.0",
-		"get-tsconfig": "^4.5.0",
-		"globby": "^13.1.2",
+		"get-tsconfig": "^4.6.2",
+		"globby": "^13.2.2",
 		"imurmurhash": "^0.1.4",
 		"json-stable-stringify-without-jsonify": "^1.0.1",
 		"lodash-es": "^4.17.21",
-		"meow": "^11.0.0",
+		"meow": "^12.0.1",
 		"micromatch": "^4.0.5",
 		"open-editor": "^4.0.0",
-		"prettier": "^2.8.7",
-		"semver": "^7.3.8",
-		"slash": "^5.0.0",
+		"prettier": "^3.0.0",
+		"semver": "^7.5.4",
+		"slash": "^5.1.0",
 		"to-absolute-glob": "^3.0.0",
-		"typescript": "^5.0.3"
+		"typescript": "^5.1.6"
 	},
 	"devDependencies": {
-		"ava": "^5.1.0",
+		"ava": "^5.3.1",
 		"eslint-config-xo-react": "^0.27.0",
 		"eslint-plugin-react": "^7.31.10",
 		"eslint-plugin-react-hooks": "^4.6.0",
 		"execa": "^7.1.1",
 		"nyc": "^15.1.0",
 		"proxyquire": "^2.1.3",
 		"temp-write": "^5.0.0",
-		"webpack": "^5.77.0"
+		"webpack": "^5.88.1"
 	},
 	"xo": {
 		"ignores": [

readme.md

@@ -39,8 +39,8 @@ It uses [ESLint](https://eslint.org) underneath, so issues regarding built-in ru
 
 ## Install
 
-```
-$ npm install xo --save-dev
+```sh
+npm install xo --save-dev
 ```
 
 *You must install XO locally. You can run it directly with `$ npx xo`.*

test/options-manager.js

@@ -99,7 +99,7 @@ test('buildConfig: prettier: true', t => {
 		trailingComma: 'all',
 	}]);
 	// eslint-prettier-config must always be last
-	t.is(config.baseConfig.extends[config.baseConfig.extends.length - 1], 'plugin:prettier/recommended');
+	t.is(config.baseConfig.extends.at(-1), 'plugin:prettier/recommended');
 	// Indent rule is not enabled
 	t.is(config.baseConfig.rules.indent, undefined);
 	// Semi rule is not enabled
@@ -125,8 +125,8 @@ test('buildConfig: prettier: true, typescript file', t => {
 	}]);
 
 	// eslint-prettier-config must always be last
-	t.is(config.baseConfig.extends[config.baseConfig.extends.length - 1], 'plugin:prettier/recommended');
-	t.regex(config.baseConfig.extends[config.baseConfig.extends.length - 2], /xo-typescript/);
+	t.is(config.baseConfig.extends.at(-1), 'plugin:prettier/recommended');
+	t.regex(config.baseConfig.extends.at(-2), /xo-typescript/);
 
 	// Indent rule is not enabled
 	t.is(config.baseConfig.rules.indent, undefined);
@@ -430,7 +430,7 @@ test('buildConfig: extends', t => {
 test('buildConfig: typescript', t => {
 	const config = manager.buildConfig({ts: true, tsConfigPath: './tsconfig.json'});
 
-	t.regex(config.baseConfig.extends[config.baseConfig.extends.length - 1], /xo-typescript/);
+	t.regex(config.baseConfig.extends.at(-1), /xo-typescript/);
 	t.is(config.baseConfig.parser, require.resolve('@typescript-eslint/parser'));
 	t.deepEqual(config.baseConfig.parserOptions, {
 		warnOnUnsupportedTypeScriptVersion: false,