Require Node.js 14

Author: sindresorhus

cli.js

@@ -1,14 +1,17 @@
 #!/usr/bin/env node
-'use strict';
-const path = require('path');
-const fs = require('fs');
-const meow = require('meow');
-const appdmg = require('appdmg');
-const plist = require('plist');
-const Ora = require('ora');
-const execa = require('execa');
-const addLicenseAgreementIfNeeded = require('./sla');
-const composeIcon = require('./compose-icon');
+import process from 'node:process';
+import path from 'node:path';
+import fs from 'node:fs';
+import {fileURLToPath} from 'node:url';
+import meow from 'meow';
+import appdmg from 'appdmg';
+import plist from 'plist';
+import Ora from 'ora';
+import {execa} from 'execa';
+import addLicenseAgreementIfNeeded from './sla.js';
+import composeIcon from './compose-icon.js';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
 
 if (process.platform !== 'darwin') {
 	console.error('macOS only');
@@ -28,17 +31,18 @@ const cli = meow(`
 	  $ create-dmg 'Lungo.app'
 	  $ create-dmg 'Lungo.app' Build/Releases
 `, {
+	importMeta: import.meta,
 	flags: {
 		overwrite: {
-			type: 'boolean'
+			type: 'boolean',
 		},
 		identity: {
-			type: 'string'
+			type: 'string',
 		},
 		dmgTitle: {
-			type: 'string'
-		}
-	}
+			type: 'string',
+		},
+	},
 });
 
 let [appPath, destinationPath] = cli.input;
@@ -73,7 +77,7 @@ async function init() {
 	let appInfo;
 	try {
 		appInfo = plist.parse(infoPlist);
-	} catch (_) {
+	} catch {
 		const {stdout} = await execa('/usr/bin/plutil', ['-convert', 'xml1', '-o', '-', infoPlistPath]);
 		appInfo = plist.parse(stdout);
 	}
@@ -95,7 +99,7 @@ async function init() {
 	if (cli.flags.overwrite) {
 		try {
 			fs.unlinkSync(dmgPath);
-		} catch (_) {}
+		} catch {}
 	}
 
 	const hasAppIcon = appInfo.CFBundleIconFile;
@@ -126,24 +130,24 @@ async function init() {
 			window: {
 				size: {
 					width: 660,
-					height: 400
-				}
+					height: 400,
+				},
 			},
 			contents: [
 				{
 					x: 180,
 					y: 170,
 					type: 'file',
-					path: appPath
+					path: appPath,
 				},
 				{
 					x: 480,
 					y: 170,
 					type: 'link',
-					path: '/Applications'
-				}
-			]
-		}
+					path: '/Applications',
+				},
+			],
+		},
 	});
 
 	ee.on('progress', info => {
@@ -177,7 +181,7 @@ async function init() {
 			}
 
 			if (!identity) {
-				const error = new Error();
+				const error = new Error(); // eslint-disable-line unicorn/error-message
 				error.stderr = 'No suitable code signing identity found';
 				throw error;
 			}
@@ -205,7 +209,9 @@ async function init() {
 	});
 }
 
-init().catch(error => {
+try {
+	await init();
+} catch (error) {
 	ora.fail((error && error.stack) || error);
 	process.exit(1);
-});
+}

compose-icon.js

@@ -1,27 +1,33 @@
-const fs = require('fs');
-const {promisify} = require('util');
-const execa = require('execa');
-const tempy = require('tempy');
-const gm = require('gm').subClass({imageMagick: true});
-const icns = require('icns-lib');
-
+import {Buffer} from 'node:buffer';
+import fs from 'node:fs';
+import {promisify} from 'node:util';
+import path from 'node:path';
+import {fileURLToPath} from 'node:url';
+import {execa} from 'execa';
+import {temporaryFile} from 'tempy';
+import baseGm from 'gm';
+import icns from 'icns-lib';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+
+const gm = baseGm.subClass({imageMagick: true});
 const readFile = promisify(fs.readFile);
 const writeFile = promisify(fs.writeFile);
 
-const filterMap = (map, filterFn) => Object.entries(map).filter(filterFn).reduce((out, [key, item]) => ({...out, [key]: item}), {});
+const filterMap = (map, filterFunction) => Object.fromEntries(Object.entries(map).filter(element => filterFunction(element)).map(([key, item]) => [key, item]));
 
 // Drive icon from `/System/Library/Extensions/IOStorageFamily.kext/Contents/Resources/Removable.icns``
 const baseDiskIconPath = `${__dirname}/disk-icon.icns`;
 
 const biggestPossibleIconType = 'ic10';
 
-async function composeIcon(type, appIcon, mountIcon, composedIcon) {
+async function baseComposeIcon(type, appIcon, mountIcon, composedIcon) {
 	mountIcon = gm(mountIcon);
 	appIcon = gm(appIcon);
 
 	const [appIconSize, mountIconSize] = await Promise.all([
 		promisify(appIcon.size.bind(appIcon))(),
-		promisify(appIcon.size.bind(mountIcon))()
+		promisify(appIcon.size.bind(mountIcon))(),
 	]);
 
 	// Change the perspective of the app icon to match the mount drive icon
@@ -30,12 +36,12 @@ async function composeIcon(type, appIcon, mountIcon, composedIcon) {
 	// Resize the app icon to fit it inside the mount icon, aspect ration should not be kept to create the perspective illution
 	appIcon = appIcon.resize(mountIconSize.width / 1.58, mountIconSize.height / 1.82, '!');
 
-	const tempAppIconPath = tempy.file({extension: 'png'});
-	await promisify(appIcon.write.bind(appIcon))(tempAppIconPath);
+	const temporaryAppIconPath = temporaryFile({extension: 'png'});
+	await promisify(appIcon.write.bind(appIcon))(temporaryAppIconPath);
 
 	// Compose the two icons
 	const iconGravityFactor = mountIconSize.height * 0.063;
-	mountIcon = mountIcon.composite(tempAppIconPath).gravity('Center').geometry(`+0-${iconGravityFactor}`);
+	mountIcon = mountIcon.composite(temporaryAppIconPath).gravity('Center').geometry(`+0-${iconGravityFactor}`);
 
 	composedIcon[type] = await promisify(mountIcon.toBuffer.bind(mountIcon))();
 }
@@ -53,7 +59,7 @@ const hasGm = async () => {
 	}
 };
 
-module.exports = async appIconPath => {
+export default async function composeIcon(appIconPath) {
 	if (!await hasGm()) {
 		return baseDiskIconPath;
 	}
@@ -64,7 +70,7 @@ module.exports = async appIconPath => {
 	const composedIcon = {};
 	await Promise.all(Object.entries(appIcon).map(async ([type, icon]) => {
 		if (baseDiskIcons[type]) {
-			return composeIcon(type, icon, baseDiskIcons[type], composedIcon);
+			return baseComposeIcon(type, icon, baseDiskIcons[type], composedIcon);
 		}
 
 		console.warn('There is no base image for this type', type);
@@ -73,12 +79,12 @@ module.exports = async appIconPath => {
 	if (!composedIcon[biggestPossibleIconType]) {
 		// Make sure the highest-resolution variant is generated
 		const largestAppIcon = Object.values(appIcon).sort((a, b) => Buffer.byteLength(b) - Buffer.byteLength(a))[0];
-		await composeIcon(biggestPossibleIconType, largestAppIcon, baseDiskIcons[biggestPossibleIconType], composedIcon);
+		await baseComposeIcon(biggestPossibleIconType, largestAppIcon, baseDiskIcons[biggestPossibleIconType], composedIcon);
 	}
 
-	const tempComposedIcon = tempy.file({extension: 'icns'});
+	const temporaryComposedIcon = temporaryFile({extension: 'icns'});
 
-	await writeFile(tempComposedIcon, icns.format(composedIcon));
+	await writeFile(temporaryComposedIcon, icns.format(composedIcon));
 
-	return tempComposedIcon;
-};
+	return temporaryComposedIcon;
+}

package.json

@@ -10,14 +10,15 @@
 		"email": "[email protected]",
 		"url": "https://sindresorhus.com"
 	},
+	"type": "module",
 	"bin": {
-		"create-dmg": "cli.js"
+		"create-dmg": "./cli.js"
 	},
 	"engines": {
-		"node": ">=8"
+		"node": ">=14.16"
 	},
 	"scripts": {
-		"test": "xo && ava"
+		"test": "ava"
 	},
 	"files": [
 		"cli.js",
@@ -43,16 +44,16 @@
 	],
 	"dependencies": {
 		"appdmg": "^0.6.6",
-		"execa": "^1.0.0",
-		"gm": "^1.23.1",
+		"execa": "^6.1.0",
+		"gm": "^1.25.0",
 		"icns-lib": "^1.0.1",
-		"meow": "^5.0.0",
-		"ora": "^4.0.3",
-		"plist": "^3.0.1",
-		"tempy": "^0.3.0"
+		"meow": "^11.0.0",
+		"ora": "^6.1.2",
+		"plist": "^3.0.6",
+		"tempy": "^3.0.0"
 	},
 	"devDependencies": {
-		"ava": "^2.4.0",
-		"xo": "^0.25.3"
+		"ava": "^5.2.0",
+		"xo": "^0.53.1"
 	}
 }

readme.md

@@ -10,10 +10,10 @@ Imagine you have finished a macOS app, exported it from Xcode, and now want to d
 
 ## Install
 
-Ensure you have [Node.js](https://nodejs.org) 8 or later installed. Then run the following:
+Ensure you have [Node.js](https://nodejs.org) 14 or later installed. Then run the following:
 
-```
-$ npm install --global create-dmg
+```sh
+npm install --global create-dmg
 ```
 
 ## Usage
@@ -36,7 +36,7 @@ $ create-dmg --help
 
 ## DMG
 
-The DMG requires macOS 10.13 or later and has the filename `App Name 0.0.0.dmg`, for example `Lungo 1.0.0.dmg`.
+The DMG requires macOS 10.13 or later and has the filename `App Name 0.0.0.dmg`. For example, `Lungo 1.0.0.dmg`.
 
 It will try to code sign the DMG, but the DMG is still created and fine even if the code signing fails, for example if you don't have a developer certificate.
 
@@ -56,8 +56,8 @@ If either `license.txt`, `license.rtf`, or `sla.r` ([raw SLAResources file](http
 
 #### Steps using [Homebrew](https://brew.sh)
 
-```
-$ brew install graphicsmagick imagemagick
+```sh
+brew install graphicsmagick imagemagick
 ```
 
 #### Icon example
@@ -66,13 +66,9 @@ Original icon → DMG icon
 
 <img src="icon-example-app.png" width="300"><img src="icon-example.png" width="300">
 
-## Links
-
-- [Product Hunt post](https://www.producthunt.com/posts/create-dmg)
-
 ## Related
 
 - [Defaults](https://github.com/sindresorhus/Defaults) - Swifty and modern UserDefaults
 - [LaunchAtLogin](https://github.com/sindresorhus/LaunchAtLogin) - Add “Launch at Login” functionality to your macOS
-- [Preferences](https://github.com/sindresorhus/Preferences) - Add a preferences window to your macOS app
+- [My apps](https://sindresorhus.com/apps)
 - [More…](https://github.com/search?q=user%3Asindresorhus+language%3Aswift)