refactor: convert to typescript and upgrade Node.js versions

.eslintrc

@@ -5,5 +5,7 @@
   "rules": {
     "consistent-return": "off"
   },
-  "extends": "airbnb-base"
+  "plugins": ["@typescript-eslint"],
+  "extends": ["eslint:recommended", "plugin:@typescript-eslint/recommended"],
+  "parser": "@typescript-eslint/parser"
 }

.github/workflows/ci.yml

@@ -26,6 +26,8 @@ jobs:
           python-version: '3.11' # distutils is required by node-gyp and dropped by python core in 3.12
       - name: Install
         run: yarn --frozen-lockfile
+      - name: Build
+        run: yarn tsc
       - name: Lint
         run: yarn lint
       - name: Test

.gitignore

@@ -6,3 +6,4 @@ coverage/
 npm-debug.log
 package-lock.json
 test/fixture*
+dist

README.md

@@ -8,7 +8,7 @@
 
 ## Requirements
 
-This module requires using macOS and Node 12 (LTS) or above.
+This module requires using macOS and Node 16 or above.
 
 ## Installation
 
@@ -38,7 +38,6 @@ Options:
   --icon-size=<px>     How big to make the icon for the app in the DMG. [Default: `80`].
   --background=<path>  Path to a PNG image to use as the background of the DMG. [Size: 658 x 498]
   --title=<string>     The title of the produced DMG, which will be shown when mounted.
-  --debug              Enable debug messages.
   --overwrite          Overwrite any existing DMG.
   -h --help            Show this screen.
   --version            Show version.
@@ -75,18 +74,15 @@ Path to the background for the DMG window. Background image should be of size 65
 `icon` - *String*
 Path to the icon to use for the app in the DMG window.
 
+`iconSize` - *Number*
+How big to make the icon for the app in the DMG. [Default: `80`].
+
 `overwrite` - *Boolean*
 Overwrite an existing DMG file if if already exists.
 
-`debug` - *Boolean*
-Enable debug message output.
-
 `out` - *String*
 The directory to put the DMG into. [Default: `process.cwd()`].
 
-`iconSize` - *Number*
-How big to make the icon for the app in the DMG. [Default: `80`].
-
 `contents` - *Array* or *Function* that returns an Array of objects.
 The content that will appear in the window when user opens the `.dmg` file.
 [Default: Array of two icons, application and application destination folder].

package.json

@@ -2,47 +2,58 @@
   "name": "electron-installer-dmg",
   "description": "Create DMG installers for your electron apps.",
   "version": "4.0.0",
-  "main": "./src/index.js",
+  "main": "./dist/index.js",
+  "typings": "./dist/index.d.ts",
   "author": "Lucas Hrabovsky <[email protected]> (http://imlucas.com)",
   "homepage": "http://github.com/electron-userland/electron-installer-dmg",
   "repository": {
     "type": "git",
     "url": "git://github.com/electron-userland/electron-installer-dmg.git"
   },
   "scripts": {
+    "build": "tsc",
     "coverage": "nyc --reporter=lcov --reporter=text npm run spec",
-    "lint": "eslint src test bin",
-    "spec": "mocha",
-    "test": "npm run lint && npm run spec"
+    "lint": "eslint src test --ext js,ts",
+    "spec": "ts-mocha test/*.test.ts",
+    "test": "tsc && npm run lint && npm run spec",
+    "prepublishOnly": "tsc"
   },
   "bin": {
-    "electron-installer-dmg": "bin/electron-installer-dmg.js"
+    "electron-installer-dmg": "dist/electron-installer-dmg-bin.js"
   },
   "engines": {
-    "node": ">= 12.13.0"
+    "node": ">= 16"
   },
   "files": [
-    "bin",
+    "dist",
     "resources",
-    "src",
     "usage.txt"
   ],
   "dependencies": {
     "debug": "^4.3.2",
-    "minimist": "^1.1.1"
+    "minimist": "^1.2.7"
   },
   "optionalDependencies": {
     "appdmg": "^0.6.4"
   },
   "license": "Apache-2.0",
   "devDependencies": {
-    "@electron/get": "^1.1.0",
-    "eslint": "^7.32.0",
+    "@electron/get": "^2.0.2",
+    "@types/appdmg": "^0.5.2",
+    "@types/debug": "^4.1.7",
+    "@types/minimist": "^1.2.2",
+    "@types/mocha": "^10.0.0",
+    "@types/node": "^18.11.7",
+    "@typescript-eslint/eslint-plugin": "6.21.0",
+    "@typescript-eslint/parser": "6.21.0",
+    "eslint": "^8.26.0",
     "eslint-config-airbnb-base": "^15.0.0",
     "eslint-plugin-import": "^2.23.4",
     "extract-zip": "^2.0.1",
     "mocha": "^9.0.3",
-    "nyc": "^15.1.0"
+    "nyc": "^15.1.0",
+    "ts-mocha": "^10.0.0",
+    "typescript": "5.5.2"
   },
   "keywords": [
     "mongodb.js",

src/electron-installer-dmg-bin.ts

@@ -0,0 +1,53 @@
+#!/usr/bin/env node
+
+/* eslint no-console:0 no-sync:0 */
+import * as fs from 'fs';
+import * as minimist from 'minimist';
+import * as path from 'path';
+
+import { createDMG, ElectronInstallerDMGOptions } from '.';
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const pkg: { version: string } = require('../package.json');
+
+const usage = fs.readFileSync(path.resolve(__dirname, '../usage.txt')).toString();
+const args = minimist<Pick<ElectronInstallerDMGOptions, 'overwrite' | 'icon' | 'background' | 'title' | 'format'> & {
+  out?: string;
+  'icon-size'?: string;
+}>(process.argv.slice(2), {
+  boolean: ['overwrite'],
+  string: ['out', 'icon', 'icon-size', 'background', 'title', 'format'],
+});
+
+const [appPath, name] = args._;
+
+const options: ElectronInstallerDMGOptions = {
+  appPath,
+  name,
+  overwrite: args.overwrite,
+  icon: args.icon,
+  iconSize: args['icon-size'] ? parseInt(args['icon-size'], 10) : undefined,
+  background: args.background,
+  title: args.title,
+  format: args.format,
+  out: args.out,
+};
+
+if (args.help || args.h || !options.appPath || !options.name) {
+  console.error(usage);
+  process.exit(1);
+}
+
+if (args.version) {
+  console.error(pkg.version);
+  process.exit(1);
+}
+
+createDMG(options)
+  .then(() => {
+    console.log(`Wrote DMG to:\n${args.dmgPath}`);
+  })
+  .catch((err) => {
+    console.error(err);
+    process.exit(1);
+  });