Use native ESM

.github/workflows/test.yml

@@ -9,9 +9,9 @@ jobs:
     strategy:
       matrix:
         node-version:
+          - 16
           - 14
           - 12
-          - 10
         os:
           - ubuntu-latest
           - macos-latest

cli.js

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

index.js

@@ -1,2 +1,3 @@
-'use strict';
-module.exports = require('./lib').path();
+import lib from './lib/index.js';
+
+export default lib.path();

lib/index.js

@@ -1,11 +1,12 @@
-'use strict';
-const path = require('path');
-const BinWrapper = require('bin-wrapper');
-const pkg = require('../package.json');
+import fs from 'node:fs';
+import process from 'node:process';
+import {fileURLToPath} from 'node:url';
+import BinWrapper from 'bin-wrapper';
 
+const pkg = JSON.parse(fs.readFileSync(new URL('../package.json', import.meta.url)));
 const url = `https://raw.githubusercontent.com/imagemin/jpegtran-bin/v${pkg.version}/vendor/`;
 
-module.exports = new BinWrapper()
+const binWrapper = new BinWrapper()
 	.src(`${url}macos/jpegtran`, 'darwin')
 	.src(`${url}linux/x86/jpegtran`, 'linux', 'x86')
 	.src(`${url}linux/x64/jpegtran`, 'linux', 'x64')
@@ -17,5 +18,7 @@ module.exports = new BinWrapper()
 	.src(`${url}win/x64/jpegtran.exe`, 'win32', 'x64')
 	.src(`${url}win/x86/libjpeg-62.dll`, 'win32', 'x86')
 	.src(`${url}win/x64/libjpeg-62.dll`, 'win32', 'x64')
-	.dest(path.join(__dirname, '../vendor'))
+	.dest(fileURLToPath(new URL('../vendor', import.meta.url)))
 	.use(process.platform === 'win32' ? 'jpegtran.exe' : 'jpegtran');
+
+export default binWrapper;

lib/install.js

@@ -1,15 +1,15 @@
-'use strict';
-const path = require('path');
-const binBuild = require('bin-build');
-const bin = require('.');
+import process from 'node:process';
+import {fileURLToPath} from 'node:url';
+import binBuild from 'bin-build';
+import bin from './index.js';
 
 const args = [
 	'-copy',
 	'none',
 	'-optimize',
 	'-outfile',
-	path.join(__dirname, '../test/fixtures/test-optimized.jpg'),
-	path.join(__dirname, '../test/fixtures/test.jpg')
+	fileURLToPath(new URL('../test/fixtures/test-optimized.jpg', import.meta.url)),
+	fileURLToPath(new URL('../test/fixtures/test.jpg', import.meta.url)),
 ];
 
 bin.run(args).then(() => {
@@ -21,14 +21,15 @@ bin.run(args).then(() => {
 
 	const cfg = [
 		'./configure --disable-shared',
-		`--prefix="${bin.dest()}" --bindir="${bin.dest()}"`
+		`--prefix="${bin.dest()}" --bindir="${bin.dest()}"`,
 	].join(' ');
 
 	try {
-		await binBuild.file(path.resolve(__dirname, '../vendor/source/libjpeg-turbo-1.5.1.tar.gz'), [
+		const source = fileURLToPath(new URL('../vendor/source/libjpeg-turbo-1.5.1.tar.gz', import.meta.url));
+		await binBuild.file(source, [
 			'touch configure.ac aclocal.m4 configure Makefile.am Makefile.in',
 			cfg,
-			'make install'
+			'make install',
 		]);
 
 		console.log('jpegtran built successfully');

package.json

@@ -4,6 +4,7 @@
   "description": "jpegtran (part of libjpeg-turbo) bin-wrapper that makes it seamlessly available as a local dependency",
   "license": "MIT",
   "repository": "imagemin/jpegtran-bin",
+  "type": "module",
   "author": {
     "name": "Sindre Sorhus",
     "email": "sindresorhus@gmail.com",
@@ -24,7 +25,7 @@
     "jpegtran": "cli.js"
   },
   "engines": {
-    "node": ">=10"
+    "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
   },
   "scripts": {
     "postinstall": "node lib/install.js",
@@ -53,11 +54,11 @@
     "bin-wrapper": "^4.0.0"
   },
   "devDependencies": {
-    "ava": "^3.8.0",
+    "ava": "^3.15.0",
     "bin-check": "^4.0.1",
     "compare-size": "^3.0.0",
-    "execa": "^4.0.0",
-    "tempy": "^0.5.0",
-    "xo": "^0.30.0"
+    "execa": "^5.1.1",
+    "tempy": "^2.0.0",
+    "xo": "^0.45.0"
   }
 }

readme.md

@@ -15,8 +15,8 @@ $ npm install --save jpegtran-bin
 ## Usage
 
 ```js
-const {execFile} = require('child_process');
-const jpegtran = require('jpegtran-bin');
+import {execFile} from 'node:child_process';
+import jpegtran from 'jpegtran-bin';
 
 execFile(jpegtran, ['-outfile', 'output.jpg', 'input.jpg'], error => {
 	console.log('Image minified!');

test/test.js

@@ -1,24 +1,25 @@
-'use strict';
-const fs = require('fs');
-const path = require('path');
-const test = require('ava');
-const execa = require('execa');
-const tempy = require('tempy');
-const binCheck = require('bin-check');
-const binBuild = require('bin-build');
-const compareSize = require('compare-size');
-const jpegtran = require('..');
+import fs from 'node:fs';
+import path from 'node:path';
+import {fileURLToPath} from 'node:url';
+import test from 'ava';
+import execa from 'execa';
+import tempy from 'tempy';
+import binCheck from 'bin-check';
+import binBuild from 'bin-build';
+import compareSize from 'compare-size';
+import jpegtran from '../index.js';
 
 test('rebuild the jpegtran binaries', async t => {
 	const temporary = tempy.directory();
 	const cfg = [
 		'./configure --disable-shared',
-		`--prefix="${temporary}" --bindir="${temporary}"`
+		`--prefix="${temporary}" --bindir="${temporary}"`,
 	].join(' ');
 
-	await binBuild.file(path.resolve(__dirname, '../vendor/source/libjpeg-turbo-1.5.1.tar.gz'), [
+	const source = fileURLToPath(new URL('../vendor/source/libjpeg-turbo-1.5.1.tar.gz', import.meta.url));
+	await binBuild.file(source, [
 		cfg,
-		'make install'
+		'make install',
 	]);
 
 	t.true(fs.existsSync(path.join(temporary, 'jpegtran')));
@@ -30,12 +31,12 @@ test('return path to binary and verify that it is working', async t => {
 
 test('minify a JPG', async t => {
 	const temporary = tempy.directory();
-	const src = path.join(__dirname, 'fixtures/test.jpg');
+	const src = fileURLToPath(new URL('fixtures/test.jpg', import.meta.url));
 	const dest = path.join(temporary, 'test.jpg');
 	const args = [
 		'-outfile',
 		dest,
-		src
+		src,
 	];
 
 	await execa(jpegtran, args);