Require Node.js 12.20 and move to ESM

.github/workflows/main.yml

@@ -10,13 +10,10 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
-          - 12
-          - 10
-          - 8
+          - 16
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm install

cli.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
-'use strict';
-const createXo = require('.');
+import process from 'node:process';
+import createXo from './index.js';
 
 createXo({
-	args: process.argv.slice(2)
+	args: process.argv.slice(2),
 });

index.js

@@ -1,20 +1,18 @@
-'use strict';
-const path = require('path');
-const minimist = require('minimist');
-const arrify = require('arrify');
-const argv = require('the-argv');
-const pathExists = require('path-exists');
-const readPkgUp = require('read-pkg-up');
-const writePkg = require('write-pkg');
-const execa = require('execa');
-const hasYarn = require('has-yarn');
+import process from 'node:process';
+import path from 'node:path';
+import fs from 'node:fs';
+import minimist from 'minimist';
+import {readPackageUpSync} from 'read-pkg-up';
+import {writePackageSync} from 'write-pkg';
+import execa from 'execa';
+import hasYarn from 'has-yarn';
 
 const DEFAULT_TEST_SCRIPT = 'echo "Error: no test specified" && exit 1';
 
 const PLURAL_OPTIONS = [
 	'env',
 	'global',
-	'ignore'
+	'ignore',
 ];
 
 const CONFIG_FILES = [
@@ -26,7 +24,7 @@ const CONFIG_FILES = [
 	'.jshintrc',
 	'.jscsrc',
 	'.jscs.json',
-	'.jscs.yaml'
+	'.jscs.yaml',
 ];
 
 const buildTestScript = test => {
@@ -43,7 +41,7 @@ const buildTestScript = test => {
 };
 
 const warnConfigFile = packageCwd => {
-	const files = CONFIG_FILES.filter(file => pathExists.sync(path.join(packageCwd, file)));
+	const files = CONFIG_FILES.filter(file => fs.existsSync(path.join(packageCwd, file)));
 
 	if (files.length === 0) {
 		return;
@@ -52,33 +50,38 @@ const warnConfigFile = packageCwd => {
 	console.log(`${files.join(' & ')} can probably be deleted now that you're using XO.`);
 };
 
-module.exports = async (options = {}) => {
-	const packageResult = readPkgUp.sync({
+export default async function createXo(options = {}) {
+	const {
+		packageJson = {},
+		path: packagePath = path.resolve(options.cwd || '', 'package.json'),
+	} = readPackageUpSync({
 		cwd: options.cwd,
-		normalize: false
+		normalize: false,
 	}) || {};
-	const packageJson = packageResult.package || {};
-	const packagePath = packageResult.path || path.resolve(options.cwd || '', 'package.json');
+
 	const packageCwd = path.dirname(packagePath);
 
 	packageJson.scripts = packageJson.scripts || {};
 	packageJson.scripts.test = buildTestScript(packageJson.scripts.test);
 
-	const cli = minimist(options.args || argv());
+	const cli = minimist(options.args || process.argv.slice(2));
 	delete cli._;
 
 	for (const option of PLURAL_OPTIONS) {
 		if (cli[option]) {
-			cli[`${option}s`] = arrify(cli[option]);
+			cli[`${option}s`] = [cli[option]].flat();
 			delete cli[option];
 		}
 	}
 
 	if (Object.keys(cli).length > 0) {
-		packageJson.xo = {...packageJson.xo, ...cli};
+		packageJson.xo = {
+			...packageJson.xo,
+			...cli,
+		};
 	}
 
-	writePkg.sync(packagePath, packageJson);
+	writePackageSync(packagePath, packageJson);
 
 	const post = () => {
 		warnConfigFile(packageCwd);
@@ -107,4 +110,4 @@ module.exports = async (options = {}) => {
 
 	await execa('npm', ['install', '--save-dev', 'xo'], {cwd: packageCwd});
 	post();
-};
+}

license

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

package.json

@@ -4,18 +4,21 @@
 	"description": "Add XO to your project",
 	"license": "MIT",
 	"repository": "xojs/create-xo",
+	"funding": "https://github.com/xojs/create-xo?sponsor=1",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "sindresorhus@gmail.com",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"bin": "./cli.js",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=8"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava"
 	},
-	"bin": "cli.js",
 	"files": [
 		"index.js",
 		"cli.js"
@@ -32,19 +35,16 @@
 		"xo"
 	],
 	"dependencies": {
-		"arrify": "^2.0.1",
-		"execa": "^1.0.0",
-		"has-yarn": "^2.1.0",
-		"minimist": "^1.1.3",
-		"path-exists": "^4.0.0",
-		"read-pkg-up": "^6.0.0",
-		"the-argv": "^1.0.0",
-		"write-pkg": "^4.0.0"
+		"execa": "^5.1.1",
+		"has-yarn": "^3.0.0",
+		"minimist": "^1.2.5",
+		"read-pkg-up": "^9.0.0",
+		"write-pkg": "^5.0.0"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"dot-prop": "^5.1.0",
-		"temp-write": "^4.0.0",
-		"xo": "^0.25.3"
+		"ava": "^3.15.0",
+		"dot-prop": "^6.0.1",
+		"temp-write": "^5.0.0",
+		"xo": "^0.45.0"
 	}
 }

readme.md

@@ -2,30 +2,26 @@
 
 > Add [XO](https://github.com/xojs/xo) to your project
 
-
 ## CLI
 
-```
-$ npm init xo [options]
+```sh
+npm init xo [options]
 ```
 
 Example:
 
+```sh
+npm init xo --space --no-semicolon
 ```
-$ npm init xo --space --no-semicolon
-```
-
 
 ## API
 
 ### Usage
 
 ```js
-const createXo = require('create-xo');
+import createXo from 'create-xo';
 
-(async () => {
-	await createXo();
-})();
+await createXo();
 ```
 
 ### createXo(options?)
@@ -38,19 +34,19 @@ Type: `object`
 
 #### cwd
 
-Type: `string`<br>
+Type: `string`\
 Default: `process.cwd()`
 
-Current working directory.
+The current working directory.
 
 #### args
 
-Type: `string[]`<br>
+Type: `string[]`\
 Default: CLI arguments *(`process.argv.slice(2)`)*
 
-Options to put in [XO's config](https://www.npmjs.com/package/xo#config) in `package.json`.
+The options to put in [XO's config](https://www.npmjs.com/package/xo#config) in `package.json`.
 
-For instance, with the arguments `['--space', '--env=node']` the following will be put in `package.json`:
+For instance, with the arguments `['--space', '--env=node']`, the following will be put in `package.json`:
 
 ```json
 {