Use native ESM (#125)

.github/workflows/test.yml

@@ -1,4 +1,4 @@
-name: CI
+name: test
 on:
   - push
   - pull_request
@@ -9,9 +9,9 @@ jobs:
     strategy:
       matrix:
         node-version:
+          - 16
           - 14
           - 12
-          - 10
         os:
           - ubuntu-latest
           - macos-latest

cli.js

@@ -1,6 +1,6 @@
 #!/usr/bin/env node
-'use strict';
-const execa = require('execa');
-const m = require('.');
+import process from 'node:process';
+import execa from 'execa';
+import gifsicle from './index.js';
 
-execa(m, process.argv.slice(2), {stdio: 'inherit'});
+execa(gifsicle, process.argv.slice(2), {stdio: 'inherit'});

index.js

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

lib/index.js

@@ -1,17 +1,20 @@
-'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/gifsicle-bin/v${pkg.version}/vendor/`;
 
-module.exports = new BinWrapper()
+const binWrapper = new BinWrapper()
 	.src(`${url}macos/gifsicle`, 'darwin')
 	.src(`${url}linux/x86/gifsicle`, 'linux', 'x86')
 	.src(`${url}linux/x64/gifsicle`, 'linux', 'x64')
 	.src(`${url}freebsd/x86/gifsicle`, 'freebsd', 'x86')
 	.src(`${url}freebsd/x64/gifsicle`, 'freebsd', 'x64')
 	.src(`${url}win/x86/gifsicle.exe`, 'win32', 'x86')
 	.src(`${url}win/x64/gifsicle.exe`, 'win32', 'x64')
-	.dest(path.join(__dirname, '../vendor'))
+	.dest(fileURLToPath(new URL('../vendor', import.meta.url)))
 	.use(process.platform === 'win32' ? 'gifsicle.exe' : 'gifsicle');
+
+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';
 
 (async () => {
 	try {
@@ -14,14 +14,15 @@ const bin = require('.');
 
 		const config = [
 			'./configure --disable-gifview --disable-gifdiff',
-			`--prefix="${bin.dest()}" --bindir="${bin.dest()}"`
+			`--prefix="${bin.dest()}" --bindir="${bin.dest()}"`,
 		].join(' ');
 
 		try {
-			await binBuild.file(path.resolve(__dirname, '../vendor/source/gifsicle-1.92.tar.gz'), [
+			const source = fileURLToPath(new URL('../vendor/source/gifsicle-1.92.tar.gz', import.meta.url));
+			await binBuild.file(source, [
 				'autoreconf -ivf',
 				config,
-				'make install'
+				'make install',
 			]);
 
 			console.log('gifsicle built successfully');

package.json

@@ -4,14 +4,15 @@
 	"description": "gifsicle wrapper that makes it seamlessly available as a local dependency",
 	"license": "MIT",
 	"repository": "imagemin/gifsicle-bin",
+	"type": "module",
 	"funding": {
 		"url": "https://github.com/imagemin/gisicle-bin?sponsor=1"
 	},
 	"bin": {
 		"gifsicle": "cli.js"
 	},
 	"engines": {
-		"node": ">=10"
+		"node": "^12.20.0 || ^14.13.1 || >=16.0.0"
 	},
 	"scripts": {
 		"postinstall": "node lib/install.js",
@@ -36,13 +37,13 @@
 	"dependencies": {
 		"bin-build": "^3.0.0",
 		"bin-wrapper": "^4.0.0",
-		"execa": "^5.0.0"
+		"execa": "^5.1.1"
 	},
 	"devDependencies": {
 		"ava": "^3.15.0",
 		"bin-check": "^4.0.1",
 		"compare-size": "^3.0.0",
-		"tempy": "^1.0.0",
-		"xo": "^0.38.1"
+		"tempy": "^2.0.0",
+		"xo": "^0.45.0"
 	}
 }

readme.md

@@ -1,4 +1,4 @@
-# gifsicle-bin
+# gifsicle-bin ![GitHub Actions Status](https://github.com/imagemin/gifsicle-bin/workflows/test/badge.svg?branch=main)
 
 > gifsicle manipulates GIF image files in many different ways. Depending on command line options, it can merge several GIFs into a GIF animation; explode an animation into its component frames; change individual frames in an animation; turn interlacing on and off; add transparency and much more.
 
@@ -13,10 +13,10 @@ $ npm install gifsicle
 ## Usage
 
 ```js
-const {execFile} = require('child_process');
-const gifsicle = require('gifsicle');
+import {execFile} from 'node:child_process';
+import gifsicle from 'gifsicle';
 
-execFile(gifsicle, ['-o', 'output.gif', 'input.gif'], err => {
+execFile(gifsicle, ['-o', 'output.gif', 'input.gif'], error => {
 	console.log('Image minified!');
 });
 ```

test/test.js

@@ -1,13 +1,14 @@
-'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 m = require('..');
+import fs from 'node:fs';
+import path from 'node:path';
+import process from 'node:process';
+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 gifsicle from '../index.js';
 
 test.serial('rebuild the gifsicle binaries', async t => {
 	// Skip the test on Windows
@@ -19,33 +20,34 @@ test.serial('rebuild the gifsicle binaries', async t => {
 	const temporary = tempy.directory();
 	const cfg = [
 		'./configure --disable-gifview --disable-gifdiff',
-		`--prefix="${temporary}" --bindir="${temporary}"`
+		`--prefix="${temporary}" --bindir="${temporary}"`,
 	].join(' ');
 
-	await binBuild.file(path.resolve(__dirname, '../vendor/source/gifsicle-1.92.tar.gz'), [
+	const source = fileURLToPath(new URL('../vendor/source/gifsicle-1.92.tar.gz', import.meta.url));
+	await binBuild.file(source, [
 		'autoreconf -ivf',
 		cfg,
-		'make install'
+		'make install',
 	]);
 
 	t.true(fs.existsSync(path.join(temporary, 'gifsicle')));
 });
 
 test.serial('verify binary', async t => {
-	t.true(await binCheck(m, ['--version']));
+	t.true(await binCheck(gifsicle, ['--version']));
 });
 
 test.serial('minify a gif', async t => {
 	const temporary = tempy.directory();
-	const src = path.join(__dirname, 'fixtures/test.gif');
+	const src = fileURLToPath(new URL('fixtures/test.gif', import.meta.url));
 	const dest = path.join(temporary, 'test.gif');
 	const args = [
 		'-o',
 		dest,
-		src
+		src,
 	];
 
-	await execa(m, args);
+	await execa(gifsicle, args);
 	const result = await compareSize(src, dest);
 
 	t.true(result[dest] < result[src]);