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

index.d.ts

@@ -1,17 +1,15 @@
-/// <reference types="node"/>
+import Buffer from 'node:buffer';
 
 /**
 Strip UTF-8 [byte order mark](http://en.wikipedia.org/wiki/Byte_order_mark#UTF-8) (BOM) from a buffer.
 
 @example
 ```
-import * as fs from 'fs';
-import stripBomBuffer = require('strip-bom-buf');
+import fs from 'node:fs';
+import stripBomBuffer from 'strip-bom-buf';
 
 stripBomBuffer(fs.readFileSync('unicorn.txt'));
 //=> 'unicorn'
 ```
 */
-declare function stripBomBuffer(buffer: Buffer): Buffer;
-
-export = stripBomBuffer;
+export default function stripBomBuffer(buffer: Buffer): Buffer;

index.js

@@ -1,14 +1,14 @@
-'use strict';
-const isUtf8 = require('is-utf8');
+import {Buffer} from 'node:buffer';
+import isUtf8 from 'is-utf8';
 
-module.exports = buffer => {
+export default function strimBomBuffer(buffer) {
 	if (!Buffer.isBuffer(buffer)) {
-		throw new TypeError(`Expected a Buffer, got ${typeof buffer}`);
+		throw new TypeError(`Expected a \`Buffer\`, got \`${typeof buffer}\``);
 	}
 
 	if (buffer[0] === 0xEF && buffer[1] === 0xBB && buffer[2] === 0xBF && isUtf8(buffer)) {
 		return buffer.slice(3);
 	}
 
 	return buffer;
-};
+}

index.test-d.ts

@@ -1,5 +1,7 @@
-import * as fs from 'fs';
+import fs from 'node:fs';
+import Buffer from 'node:buffer';
 import {expectType} from 'tsd';
-import stripBomBuffer = require('.');
+import stripBomBuffer from './index.js';
 
+// eslint-disable-next-line  @typescript-eslint/no-unsafe-member-access
 expectType<Buffer>(stripBomBuffer(fs.readFileSync('unicorn.txt')));

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

@@ -4,13 +4,16 @@
 	"description": "Strip UTF-8 byte order mark (BOM) from a buffer",
 	"license": "MIT",
 	"repository": "sindresorhus/strip-bom-buf",
+	"funding": "https://github.com/sponsors/sindresorhus",
 	"author": {
 		"name": "Sindre Sorhus",
 		"email": "sindresorhus@gmail.com",
-		"url": "sindresorhus.com"
+		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
+	"exports": "./index.js",
 	"engines": {
-		"node": ">=8"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -38,9 +41,9 @@
 		"is-utf8": "^0.2.1"
 	},
 	"devDependencies": {
-		"@types/node": "^11.13.8",
-		"ava": "^1.4.1",
-		"tsd": "^0.7.2",
-		"xo": "^0.24.0"
+		"@types/node": "^16.6.1",
+		"ava": "^3.15.0",
+		"tsd": "^0.17.0",
+		"xo": "^0.44.0"
 	}
 }

readme.md

@@ -6,31 +6,23 @@ From Wikipedia:
 
 > The Unicode Standard permits the BOM in UTF-8, but does not require nor recommend its use. Byte order has no meaning in UTF-8.
 
-
 ## Install
 
 ```
 $ npm install strip-bom-buf
 ```
 
-
 ## Usage
 
 ```js
-const fs = require('fs');
-const stripBomBuffer = require('strip-bom-buf');
+import fs from 'node:fs';
+import stripBomBuffer from 'strip-bom-buf';
 
 stripBomBuffer(fs.readFileSync('unicorn.txt'));
 //=> 'unicorn'
 ```
 
-
 ## Related
 
 - [strip-bom](https://github.com/sindresorhus/strip-bom) - String version of this module
 - [strip-bom-stream](https://github.com/sindresorhus/strip-bom-stream) - Stream version of this module
-
-
-## License
-
-MIT © [Sindre Sorhus](https://sindresorhus.com)

test/test.js

@@ -1,10 +1,14 @@
-import fs from 'fs';
-import path from 'path';
+import fs from 'node:fs';
+import {Buffer} from 'node:buffer';
+import {fileURLToPath} from 'node:url';
+import path from 'node:path';
 import test from 'ava';
-import stripBomBuffer from '..';
+import stripBomBuffer from '../index.js';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 test('strips BOM from UTF-8 buffer', t => {
-	const fixture = fs.readFileSync(path.join(__dirname, '/fixture-utf8'));
+	const fixture = fs.readFileSync(path.join(__dirname, 'fixture-utf8'));
 	t.true(stripBomBuffer(fixture).equals(Buffer.from('Unicorn\n')));
 });