Require Node.js 12 and ESLint 8

.github/workflows/main.yml

@@ -10,12 +10,12 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 16
           - 14
           - 12
-          - 10
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

package.json

@@ -11,12 +11,10 @@
 		"url": "https://sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=10"
+		"node": ">=12"
 	},
 	"scripts": {
-		"//": "TODO: Fix tests",
-		"// test": "ava",
-		"test": "true"
+		"test": "ava"
 	},
 	"files": [
 		"index.js",
@@ -53,17 +51,16 @@
 		"simple"
 	],
 	"devDependencies": {
-		"ava": "^2.1.0",
-		"eslint": "^7.1.0",
-		"eslint-plugin-react": "^7.22.0",
-		"eslint-plugin-react-hooks": "^4.0.4",
+		"ava": "^2.4.0",
+		"eslint": "^8.6.0",
+		"eslint-plugin-react": "^7.28.0",
+		"eslint-plugin-react-hooks": "^4.3.0",
 		"is-plain-obj": "^3.0.0",
-		"react": "^17.0.1",
-		"temp-write": "^4.0.0"
+		"react": "^17.0.2"
 	},
 	"peerDependencies": {
-		"eslint": ">=7",
-		"eslint-plugin-react": ">=7.22.0",
-		"eslint-plugin-react-hooks": ">=4.2.0"
+		"eslint": ">=8.6.0",
+		"eslint-plugin-react": ">=7.28.0",
+		"eslint-plugin-react-hooks": ">=4.3.0"
 	}
 }

readme.md

@@ -4,8 +4,8 @@
 
 ## Install
 
-```
-$ npm install --save-dev eslint-config-xo eslint-config-xo-react eslint-plugin-react eslint-plugin-react-hooks
+```sh
+npm install --save-dev eslint-config-xo eslint-config-xo-react eslint-plugin-react eslint-plugin-react-hooks
 ```
 
 ## Usage

test/test.js

@@ -1,42 +1,43 @@
 import test from 'ava';
 import isPlainObj from 'is-plain-obj';
-import tempWrite from 'temp-write';
-import eslint from 'eslint';
+import {ESLint} from 'eslint';
 
 const hasRule = (errors, ruleId) => errors.some(error => error.ruleId === ruleId);
 
-function runEslint(string, config) {
-	const linter = new eslint.CLIEngine({
+async function runEslint(string, config) {
+	const eslint = new ESLint({
 		useEslintrc: false,
-		configFile: tempWrite.sync(JSON.stringify(config))
+		overrideConfig: config,
 	});
 
-	return linter.executeOnText(string).results[0].messages;
+	const [firstResult] = await eslint.lintText(string);
+
+	return firstResult.messages;
 }
 
-test('main', t => {
-	const config = require('../space');
+test('main', async t => {
+	const config = require('../space.js');
 
 	t.true(isPlainObj(config));
 	t.true(isPlainObj(config.rules));
 
-	const errors = runEslint('var app = <div className="foo">Unicorn</div>', config);
+	const errors = await runEslint('var app = <div className="foo">Unicorn</div>', config);
 	t.true(hasRule(errors, 'react/react-in-jsx-scope'));
 });
 
-test('space', t => {
-	const config = require('../space');
+test('space', async t => {
+	const config = require('../space.js');
 
 	t.true(isPlainObj(config));
 	t.true(isPlainObj(config.rules));
 
-	const errors = runEslint('<App>\n\t<Hello/>\n</App>', config);
+	const errors = await runEslint('<App>\n\t<Hello/>\n</App>', config);
 	t.true(hasRule(errors, 'react/jsx-indent'));
 });
 
-test('no errors', t => {
-	const config = require('..');
+test('no errors', async t => {
+	const config = require('../index.js');
 
-	const errors = runEslint('var React = require(\'react\');\nvar el = <div/>;', config);
+	const errors = await runEslint('var React = require(\'react\');\nvar el = <div/>;', config);
 	t.deepEqual(errors, []);
 });