Use native ESM

.github/workflows/test.yml

@@ -1,46 +1,25 @@
 name: test
-
 on:
-  push:
-    branches:
-      - master
-  pull_request:
-    branches:
-      - master
-
+  - push
+  - pull_request
 jobs:
-  linux:
-    runs-on: ubuntu-latest
-
+  test:
+    name: Node.js ${{ matrix.node-version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        node-version: [10.x, 12.x, 14.x]
-
+        node-version:
+          - 16
+          - 14
+          - 12
+        os:
+          - ubuntu-latest
+          - macos-latest
+          - windows-latest
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm test
-      env:
-        CI: true
-
-  macos:
-    runs-on: macos-latest
-
-    strategy:
-      matrix:
-        node-version: [10.x, 12.x, 14.x]
-
-    steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v1
-      with:
-        node-version: ${{ matrix.node-version }}
-    - run: npm install
-    - run: npm test
-      env:
-        CI: true
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm test

cli.js

@@ -1,7 +1,7 @@
 #!/usr/bin/env node
-'use strict';
-const {spawn} = require('child_process');
-const pngcrush = require('.');
+import {spawn} from 'node:child_process';
+import process from 'node:process';
+import pngcrush 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

@@ -1,14 +1,17 @@
-'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.github.com/imagemin/pngcrush-bin/v${pkg.version}/vendor/`;
 
-module.exports = new BinWrapper()
+const binWrapper = new BinWrapper()
 	.src(`${url}osx/pngcrush`, 'darwin')
 	.src(`${url}linux/pngcrush`, 'linux')
 	.src(`${url}win/x64/pngcrush.exe`, 'win32', 'x64')
 	.src(`${url}win/x86/pngcrush.exe`, 'win32', 'x86')
-	.dest(path.resolve(__dirname, '../vendor'))
+	.dest(fileURLToPath(new URL('../vendor', import.meta.url)))
 	.use(process.platform === 'win32' ? 'pngcrush.exe' : 'pngcrush');
+
+export default binWrapper;

lib/install.js

@@ -1,7 +1,7 @@
-'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';
 
 bin.run(['-version']).then(() => {
 	console.log('pngcrush pre-build test passed successfully');
@@ -11,7 +11,9 @@ bin.run(['-version']).then(() => {
 	console.info('compiling from source');
 
 	try {
-		await binBuild.file(path.resolve(__dirname, '../vendor/source/pngcrush-1.8.13.tar.gz'), [
+		const source = fileURLToPath(new URL('../vendor/source/pngcrush-1.8.13.tar.gz', import.meta.url));
+
+		await binBuild.file(source, [
 			`mkdir -p ${bin.dest()}`,
 			`make && mv ${bin.use()} ${bin.path()}`
 		]);

package.json

@@ -4,8 +4,9 @@
   "description": "pngcrush wrapper that makes it seamlessly available as a local dependency",
   "license": "MIT",
   "repository": "imagemin/pngcrush-bin",
+  "type": "module",
   "author": {
-    "name": "1000ch",
+    "name": "Shogo Sensui",
     "email": "shogo.sensui@gmail.com",
     "url": "github.com/1000ch"
   },
@@ -29,7 +30,7 @@
     "pngcrush": "cli.js"
   },
   "engines": {
-    "node": ">=10"
+    "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
   },
   "scripts": {
     "postinstall": "node lib/install.js",
@@ -58,11 +59,11 @@
     "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

@@ -1,4 +1,4 @@
-# pngcrush-bin ![GitHub Actions Status](https://github.com/imagemin/pngcrush-bin/workflows/test/badge.svg?branch=master)
+# pngcrush-bin ![GitHub Actions Status](https://github.com/imagemin/pngcrush-bin/workflows/test/badge.svg?branch=main)
 
 > [pngcrush](https://pmt.sourceforge.io/pngcrush/) is an optimizer which main purpose is to reduce the size of the PNG IDAT datastream by trying various compression levels an PNG filter methods
 
@@ -15,10 +15,10 @@ $ npm install --save pngcrush-bin
 ## Usage
 
 ```js
-const {execFile} = require('child_process');
-const pngcrush = require('pngcrush-bin');
+import {execFile} from 'node:child_process';
+import pngcrush from 'pngcrush-bin';
 
-execFile(pngcrush, ['-reduce', '-brute', 'input.png', 'output.png'], err => {
+execFile(pngcrush, ['-reduce', '-brute', 'input.png', 'output.png'], error => {
 	console.log('Image minified');
 });
 ```

test/test.js

@@ -1,18 +1,19 @@
-'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 pngcrush = 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 pngcrush from '..';
 
 test('rebuild the pngcrush binaries', async t => {
 	const temporary = tempy.directory();
+	const source = fileURLToPath(new URL('../vendor/source/pngcrush-1.8.13.tar.gz', import.meta.url));
 
-	await binBuild.file(path.resolve(__dirname, '../vendor/source/pngcrush-1.8.13.tar.gz'), [
+	await binBuild.file(source, [
 		`mkdir -p ${temporary}`,
 		`make && mv pngcrush ${path.join(temporary, 'pngcrush')}`
 	]);
@@ -26,7 +27,7 @@ test('return path to binary and verify that it is working', async t => {
 
 test('minify a PNG', async t => {
 	const temporary = tempy.directory();
-	const src = path.join(__dirname, 'fixtures/test.png');
+	const src = fileURLToPath(new URL('fixtures/test.png', import.meta.url));
 	const dest = path.join(temporary, 'test.png');
 	const args = [
 		'--recompress',