Migrate to flat config

browser.js

@@ -1,14 +1,15 @@
-'use strict';
+import eslintConfigXoBrowser from 'eslint-config-xo/browser';
 
-module.exports = {
-	extends: 'xo/browser',
+export default {
+	...eslintConfigXoBrowser,
 	rules: {
+		...eslintConfigXoBrowser.rules,
 		indent: [
 			'error',
 			2,
 			{
 				SwitchCase: 1
 			}
 		]
-	}
+	},
 };

index.js

@@ -1,14 +1,15 @@
-'use strict';
+import eslintConfigXo from 'eslint-config-xo';
 
-module.exports = {
-	extends: 'xo',
+export default {
+	...eslintConfigXo,
 	rules: {
+		...eslintConfigXo.rules,
 		indent: [
 			'error',
 			2,
 			{
 				SwitchCase: 1
 			}
 		]
-	}
+	},
 };

package.json

@@ -3,6 +3,11 @@
 	"version": "0.35.0",
 	"description": "ESLint shareable config for XO with 2-space indent",
 	"license": "MIT",
+	"type": "module",
+	"exports": {
+		".": "./index.js",
+		"./browser": "./browser.js"
+	},
 	"repository": "xojs/eslint-config-xo-space",
 	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
@@ -12,7 +17,7 @@
 	},
 	"sideEffects": false,
 	"engines": {
-		"node": ">=12"
+		"node": ">=18"
 	},
 	"scripts": {
 		"test": "ava"
@@ -49,12 +54,12 @@
 		"simple"
 	],
 	"dependencies": {
-		"eslint-config-xo": "^0.44.0"
+		"eslint-config-xo": "fisker/eslint-config-xo#flat-config"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"eslint": "^8.56.0",
-		"is-plain-obj": "^3.0.0"
+		"ava": "^6.1.3",
+		"eslint": "^9.4.0",
+		"is-plain-obj": "^4.1.0"
 	},
 	"peerDependencies": {
 		"eslint": ">=8.56.0"

readme.md

@@ -14,32 +14,24 @@ npm install --save-dev eslint-config-xo-space
 
 ## Usage
 
-Add some ESLint config to your `package.json`:
-
-```json
-{
-	"name": "my-awesome-project",
-	"eslintConfig": {
-		"extends": "xo-space"
-	}
-}
-```
+Add some ESLint config to your `eslint.config.js`:
 
-Or to `.eslintrc`:
+```js
+import eslintConfigXoSpace from 'eslint-config-xo-space';
 
-```json
-{
-	"extends": "xo-space"
-}
+export default [
+	eslintConfigXoSpace,
+];
 ```
 
-This package also exposes [`xo-space/browser`](browser.js) if you're in the browser:
+This package also exposes [`eslint-config-xo-space/browser`](browser.js) if you're in the browser:
 
-```json
-{
-	"extends": "xo-space/browser"
-}
-```
+```js
+import eslintConfigXoSpaceBrowser from 'eslint-config-xo/browser';
+
+export default [
+	eslintConfigXoSpaceBrowser,
+];
 
 ## Related
 

test/test.js

@@ -1,14 +1,16 @@
 import test from 'ava';
 import isPlainObj from 'is-plain-obj';
 import {ESLint} from 'eslint';
+import eslintConfigXoSpaceNode from '../index.js';
+import eslintConfigXoSpaceBrowser from '../browser.js';
 
 const hasRule = (errors, ruleId) => errors.some(error => error.ruleId === ruleId);
 
 const fixture = `"use strict";\nconst x = true;\n\nif (x) {\n  console.log();\n}\n`;
 
 async function runEslint(string, config) {
 	const eslint = new ESLint({
-		useEslintrc: false,
+		overrideConfigFile: true,
 		overrideConfig: config,
 	});
 
@@ -18,21 +20,17 @@ async function runEslint(string, config) {
 }
 
 test('main', async t => {
-	const config = require('../index.js');
+	t.true(isPlainObj(eslintConfigXoSpaceNode));
+	t.true(isPlainObj(eslintConfigXoSpaceNode.rules));
 
-	t.true(isPlainObj(config));
-	t.true(isPlainObj(config.rules));
-
-	const errors = await runEslint(fixture, config);
+	const errors = await runEslint(fixture, eslintConfigXoSpaceNode);
 	t.true(hasRule(errors, 'quotes'), JSON.stringify(errors));
 });
 
 test('browser', async t => {
-	const config = require('../browser.js');
-
-	t.true(isPlainObj(config));
-	t.true(isPlainObj(config.rules));
+	t.true(isPlainObj(eslintConfigXoSpaceBrowser));
+	t.true(isPlainObj(eslintConfigXoSpaceBrowser.rules));
 
-	const errors = await runEslint(fixture, config);
+	const errors = await runEslint(fixture, eslintConfigXoSpaceBrowser);
 	t.true(hasRule(errors, 'quotes'), JSON.stringify(errors));
 });