Require Node.js 12.20 and move to ESM

.github/workflows/main.yml

@@ -10,12 +10,10 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
-          - 14
-          - 12
-          - 10
+          - 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

index.js

@@ -1,24 +1,23 @@
-'use strict';
-const got = require('got');
+import got from 'got';
 
 const statusCodes = {
 	isUp: 1,
 	isDown: 2,
-	invalidDomain: 3
+	invalidDomain: 3,
 };
 
-module.exports = async url => {
+export default async function isUp(url) {
 	const hostname = encodeURIComponent((new URL(url)).hostname);
 
 	const {status_code: statusCode} = await got(`https://isitup.org/${hostname}.json`, {
 		headers: {
-			'user-agent': 'https://github.com/sindresorhus/is-up'
-		}
+			'user-agent': 'https://github.com/sindresorhus/is-up',
+		},
 	}).json();
 
 	if (statusCode === statusCodes.invalidDomain) {
 		throw new Error('Invalid domain');
 	}
 
 	return statusCode === statusCodes.isUp;
-};
+}

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

@@ -8,10 +8,12 @@
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "sindresorhus@gmail.com",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=10"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -31,11 +33,11 @@
 		"offline"
 	],
 	"dependencies": {
-		"got": "^10.5.5"
+		"got": "^11.8.2"
 	},
 	"devDependencies": {
-		"ava": "^1.0.0",
-		"unique-string": "^2.0.0",
-		"xo": "^0.25.4"
+		"ava": "^3.15.0",
+		"unique-string": "^3.0.0",
+		"xo": "^0.44.0"
 	}
 }

readme.md

@@ -4,19 +4,17 @@
 
 ## Install
 
-```
-$ npm install is-up
+```sh
+npm install is-up
 ```
 
 ## Usage
 
 ```js
-const isUp = require('is-up');
+import isUp from 'is-up';
 
-(async () => {
-	console.log(await isUp('https://sindresorhus.com'));
-	//=> true
-})();
+console.log(await isUp('https://sindresorhus.com'));
+//=> true
 ```
 
 ## Related

test.js

@@ -1,6 +1,6 @@
 import test from 'ava';
 import uniqueString from 'unique-string';
-import isUp from '.';
+import isUp from './index.js';
 
 test('up', async t => {
 	t.true(await isUp('https://google.com'));
@@ -11,5 +11,5 @@ test('down', async t => {
 });
 
 test('invalid domain', async t => {
-	await t.throwsAsync(isUp('unicorn'), 'Invalid URL: unicorn');
+	await t.throwsAsync(isUp('unicorn'), {message: 'Invalid URL'});
 });