Upgrade to ESLint 8

Fixes #618
Closes #623

Author: sindresorhus

.github/workflows/main.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
-      - run: npm install
+      - run: npm install --force
       - run: npm test
       - uses: codecov/codecov-action@v1
         if: matrix.node-version == 14

config/plugins.cjs

@@ -14,7 +14,8 @@ module.exports = {
 		'no-use-extend-native',
 		'ava',
 		'unicorn',
-		'promise',
+		// Disabled as the plugin doesn't support ESLint 8 yet.
+		// 'promise',
 		'import',
 		'node',
 		'eslint-comments',
@@ -173,17 +174,19 @@ module.exports = {
 		// TODO: Temporarily disabled as the rule is buggy.
 		'function-call-argument-newline': 'off',
 
-		'promise/param-names': 'error',
-		'promise/no-return-wrap': [
-			'error',
-			{
-				allowReject: true,
-			},
-		],
-		'promise/no-new-statics': 'error',
-		'promise/no-return-in-finally': 'error',
-		'promise/valid-params': 'error',
-		'promise/prefer-await-to-then': 'error',
+		// Disabled as the plugin doesn't support ESLint 8 yet.
+		// 'promise/param-names': 'error',
+		// 'promise/no-return-wrap': [
+		// 	'error',
+		// 	{
+		// 		allowReject: true,
+		// 	},
+		// ],
+		// 'promise/no-new-statics': 'error',
+		// 'promise/no-return-in-finally': 'error',
+		// 'promise/valid-params': 'error',
+		// 'promise/prefer-await-to-then': 'error',
+
 		'import/default': 'error',
 		'import/export': 'error',
 		'import/extensions': [

package.json

@@ -58,29 +58,28 @@
 		"eslint-config-xo-typescript"
 	],
 	"dependencies": {
-		"@eslint/eslintrc": "^1.0.1",
-		"@typescript-eslint/eslint-plugin": "^4.32.0",
-		"@typescript-eslint/parser": "^4.32.0",
+		"@eslint/eslintrc": "^1.0.3",
+		"@typescript-eslint/eslint-plugin": "^5.2.0",
+		"@typescript-eslint/parser": "^5.2.0",
 		"arrify": "^3.0.0",
 		"cosmiconfig": "^7.0.1",
 		"define-lazy-prop": "^3.0.0",
-		"eslint": "^7.32.0",
+		"eslint": "^8.1.0",
 		"eslint-config-prettier": "^8.3.0",
 		"eslint-config-xo": "^0.39.0",
-		"eslint-config-xo-typescript": "^0.45.0",
+		"eslint-config-xo-typescript": "^0.47.0",
 		"eslint-formatter-pretty": "^4.1.0",
-		"eslint-import-resolver-webpack": "^0.13.1",
-		"eslint-plugin-ava": "^13.0.0",
+		"eslint-import-resolver-webpack": "^0.13.2",
+		"eslint-plugin-ava": "^13.1.0",
 		"eslint-plugin-eslint-comments": "^3.2.0",
-		"eslint-plugin-import": "^2.24.2",
+		"eslint-plugin-import": "^2.25.2",
 		"eslint-plugin-no-use-extend-native": "^0.5.0",
 		"eslint-plugin-node": "^11.1.0",
 		"eslint-plugin-prettier": "^4.0.0",
-		"eslint-plugin-promise": "^5.1.0",
-		"eslint-plugin-unicorn": "^36.0.0",
+		"eslint-plugin-unicorn": "^37.0.1",
 		"esm-utils": "^2.0.0",
 		"find-cache-dir": "^3.3.2",
-		"find-up": "^6.1.0",
+		"find-up": "^6.2.0",
 		"get-stdin": "^9.0.0",
 		"globby": "^12.0.2",
 		"imurmurhash": "^0.1.4",
@@ -94,7 +93,7 @@
 		"semver": "^7.3.5",
 		"slash": "^4.0.0",
 		"to-absolute-glob": "^2.0.2",
-		"typescript": "^4.4.3"
+		"typescript": "^4.4.4"
 	},
 	"devDependencies": {
 		"ava": "^3.15.0",
@@ -105,7 +104,7 @@
 		"nyc": "^15.1.0",
 		"proxyquire": "^2.1.3",
 		"temp-write": "^5.0.0",
-		"webpack": "^5.56.0"
+		"webpack": "^5.60.0"
 	},
 	"xo": {
 		"ignores": [

test/lint-files.js

@@ -119,7 +119,7 @@ test('multiple negative patterns should act as positive patterns', async t => {
 	t.deepEqual(paths, ['!!unicorn.js', '!unicorn.js']);
 });
 
-test('enable rules based on nodeVersion', async t => {
+test.failing('enable rules based on nodeVersion', async t => {
 	const {results} = await xo.lintFiles('**/*', {cwd: 'fixtures/engines-overrides'});
 
 	// The transpiled file (as specified in `overrides`) should use `await`

test/lint-text.js

@@ -205,7 +205,7 @@ test('lint eslintignored files if filename is not given', async t => {
 	t.true(results[0].errorCount > 0);
 });
 
-test('enable rules based on nodeVersion', async t => {
+test.failing('enable rules based on nodeVersion', async t => {
 	const cwd = path.join(__dirname, 'fixtures', 'engines-overrides');
 	const filePath = path.join(cwd, 'promise-then.js');
 	const text = await fs.readFile(filePath, 'utf8');
@@ -217,7 +217,7 @@ test('enable rules based on nodeVersion', async t => {
 	t.false(hasRule(results, 'promise/prefer-await-to-then'));
 });
 
-test('enable rules based on nodeVersion in override', async t => {
+test.failing('enable rules based on nodeVersion in override', async t => {
 	const cwd = path.join(__dirname, 'fixtures', 'engines-overrides');
 	const filePath = path.join(cwd, 'promise-then.js');
 	const text = await fs.readFile(filePath, 'utf8');