.editorconfig

@@ -0,0 +1,12 @@
+root = true
+
+[*]
+indent_style = tab
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.yml]
+indent_style = space
+indent_size = 2

.gitattributes

@@ -1 +1 @@
-* text=auto
+* text=auto eol=lf

.github/funding.yml

@@ -0,0 +1,2 @@
+github: sindresorhus
+tidelift: npm/update-notifier

.github/security.md

@@ -0,0 +1,3 @@
+# Security Policy
+
+To report a security vulnerability, please use the [Tidelift security contact](https://tidelift.com/security). Tidelift will coordinate the fix and disclosure.

.github/workflows/main.yml

@@ -0,0 +1,22 @@
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    name: Node.js ${{ matrix.node-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        node-version:
+          - 18
+          - 16
+          - 14
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm test

.gitignore

@@ -1 +1,2 @@
-node_modules
+node_modules
+yarn.lock

.npmrc

@@ -0,0 +1 @@
+package-lock=false

check.js

@@ -1,20 +1,26 @@
-'use strict';
-var updateNotifier = require('./');
-var options = JSON.parse(process.argv[2]);
+/* eslint-disable unicorn/no-process-exit */
+import process from 'node:process';
+import UpdateNotifier from './update-notifier.js';
 
-updateNotifier = new updateNotifier.UpdateNotifier(options);
+const updateNotifier = new UpdateNotifier(JSON.parse(process.argv[2]));
 
-updateNotifier.checkNpm().then(function (update) {
-	// only update the last update check time on success
+try {
+	// Exit process when offline
+	setTimeout(process.exit, 1000 * 30);
+
+	const update = await updateNotifier.fetchInfo();
+
+	// Only update the last update check time on success
 	updateNotifier.config.set('lastUpdateCheck', Date.now());
 
 	if (update.type && update.type !== 'latest') {
 		updateNotifier.config.set('update', update);
 	}
 
-	// Call process exit explicitly to terminate the child process
-	// Otherwise the child process will run forever (according to nodejs docs)
+	// Call process exit explicitly to terminate the child process,
+	// otherwise the child process will run forever, according to the Node.js docs
 	process.exit();
-}).catch(function () {
+} catch (error) {
+	console.error(error);
 	process.exit(1);
-});
+}

contributing.md

@@ -1 +1 @@
-See the [contributing docs](https://github.com/yeoman/yeoman/blob/master/contributing.md)
+See the [contributing docs](https://github.com/yeoman/yeoman/blob/main/contributing.md)

example.js

@@ -1,12 +1,16 @@
-'use strict';
-var updateNotifier = require('./');
+import updateNotifier from './index.js';
 
-// you have to run this file two times the first time
+// Run: $ node example
+
+// You have to run this file two times the first time
+// This is because it never reports updates on the first run
+// If you want to test your own usage, ensure you set an older version
 
 updateNotifier({
 	pkg: {
 		name: 'public-ip',
-		version: '0.9.2'
+		version: '0.9.2',
 	},
-	updateCheckInterval: 0
-}).notify();
+	updateCheckInterval: 0,
+})
+	.notify();

index.js

@@ -1,113 +1,7 @@
-'use strict';
-var spawn = require('child_process').spawn;
-var path = require('path');
-var Configstore = require('configstore');
-var chalk = require('chalk');
-var semverDiff = require('semver-diff');
-var latestVersion = require('latest-version');
-var isNpm = require('is-npm');
-var boxen = require('boxen');
-var ONE_DAY = 1000 * 60 * 60 * 24;
+import UpdateNotifier from './update-notifier.js';
 
-function UpdateNotifier(options) {
-	this.options = options = options || {};
-	options.pkg = options.pkg || {};
-
-	// reduce pkg to the essential keys. with fallback to deprecated options
-	// TODO: remove deprecated options at some point far into the future
-	options.pkg = {
-		name: options.pkg.name || options.packageName,
-		version: options.pkg.version || options.packageVersion
-	};
-
-	if (!options.pkg.name || !options.pkg.version) {
-		throw new Error('pkg.name and pkg.version required');
-	}
-
-	this.packageName = options.pkg.name;
-	this.packageVersion = options.pkg.version;
-	this.updateCheckInterval = typeof options.updateCheckInterval === 'number' ? options.updateCheckInterval : ONE_DAY;
-	this.hasCallback = typeof options.callback === 'function';
-	this.callback = options.callback || function () {};
-
-	if (!this.hasCallback) {
-		this.config = new Configstore('update-notifier-' + this.packageName, {
-			optOut: false,
-			// init with the current time so the first check is only
-			// after the set interval, so not to bother users right away
-			lastUpdateCheck: Date.now()
-		});
-	}
-}
-
-UpdateNotifier.prototype.check = function () {
-	if (this.hasCallback) {
-		this.checkNpm().then(this.callback.bind(this, null)).catch(this.callback);
-		return;
-	}
-
-	if (this.config.get('optOut') || 'NO_UPDATE_NOTIFIER' in process.env || process.argv.indexOf('--no-update-notifier') !== -1) {
-		return;
-	}
-
-	this.update = this.config.get('update');
-
-	if (this.update) {
-		this.config.del('update');
-	}
-
-	// Only check for updates on a set interval
-	if (Date.now() - this.config.get('lastUpdateCheck') < this.updateCheckInterval) {
-		return;
-	}
-
-	// Spawn a detached process, passing the options as an environment property
-	spawn(process.execPath, [path.join(__dirname, 'check.js'), JSON.stringify(this.options)], {
-		detached: true,
-		stdio: 'ignore'
-	}).unref();
-};
-
-UpdateNotifier.prototype.checkNpm = function () {
-	return latestVersion(this.packageName).then(function (latestVersion) {
-		return {
-			latest: latestVersion,
-			current: this.packageVersion,
-			type: semverDiff(this.packageVersion, latestVersion) || 'latest',
-			name: this.packageName
-		};
-	}.bind(this));
-};
-
-UpdateNotifier.prototype.notify = function (opts) {
-	if (!process.stdout.isTTY || isNpm || !this.update) {
-		return this;
-	}
-
-	opts = opts || {};
-
-	var message = '\n' + boxen('Update available ' + chalk.dim(this.update.current) + chalk.reset(' → ') + chalk.green(this.update.latest) + ' \nRun ' + chalk.cyan('npm i -g ' + this.packageName) + ' to update', {
-		padding: 1,
-		margin: 1,
-		borderColor: 'yellow',
-		borderStyle: 'round'
-	});
-
-	if (opts.defer === undefined) {
-		process.on('exit', function () {
-			console.error(message);
-		});
-	} else {
-		console.error(message);
-	}
-
-	return this;
-};
-
-module.exports = function (options) {
-	var updateNotifier = new UpdateNotifier(options);
+export default function updateNotifier(options) {
+	const updateNotifier = new UpdateNotifier(options);
 	updateNotifier.check();
 	return updateNotifier;
-};
-
-module.exports.UpdateNotifier = UpdateNotifier;
+}

license

@@ -0,0 +1,9 @@
+MIT License
+
+Copyright (c) Sindre Sorhus <sindresorhus@gmail.com> (https://sindresorhus.com)
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

package.json

@@ -1,47 +1,67 @@
 {
-  "name": "update-notifier",
-  "version": "0.6.3",
-  "description": "Update notifications for your CLI app",
-  "license": "BSD-2-Clause",
-  "repository": "yeoman/update-notifier",
-  "author": {
-    "name": "Sindre Sorhus",
-    "email": "sindresorhus@gmail.com",
-    "url": "sindresorhus.com"
-  },
-  "engines": {
-    "node": ">=0.10.0"
-  },
-  "scripts": {
-    "test": "xo && mocha --timeout 20000"
-  },
-  "files": [
-    "index.js",
-    "check.js"
-  ],
-  "keywords": [
-    "npm",
-    "update",
-    "updater",
-    "notify",
-    "notifier",
-    "check",
-    "checker",
-    "cli",
-    "module",
-    "package",
-    "version"
-  ],
-  "dependencies": {
-    "boxen": "^0.3.1",
-    "chalk": "^1.0.0",
-    "configstore": "^2.0.0",
-    "is-npm": "^1.0.0",
-    "latest-version": "^2.0.0",
-    "semver-diff": "^2.0.0"
-  },
-  "devDependencies": {
-    "mocha": "*",
-    "xo": "*"
-  }
+	"name": "update-notifier",
+	"version": "6.0.0",
+	"description": "Update notifications for your CLI app",
+	"license": "BSD-2-Clause",
+	"repository": "yeoman/update-notifier",
+	"funding": "https://github.com/yeoman/update-notifier?sponsor=1",
+	"author": {
+		"name": "Sindre Sorhus",
+		"email": "sindresorhus@gmail.com",
+		"url": "https://sindresorhus.com"
+	},
+	"type": "module",
+	"exports": "./index.js",
+	"engines": {
+		"node": ">=14.16"
+	},
+	"scripts": {
+		"test": "xo && ava"
+	},
+	"files": [
+		"index.js",
+		"update-notifier.js",
+		"check.js"
+	],
+	"keywords": [
+		"npm",
+		"update",
+		"updater",
+		"notify",
+		"notifier",
+		"check",
+		"checker",
+		"cli",
+		"module",
+		"package",
+		"version"
+	],
+	"dependencies": {
+		"boxen": "^7.0.0",
+		"chalk": "^5.0.1",
+		"configstore": "^6.0.0",
+		"has-yarn": "^3.0.0",
+		"import-lazy": "^4.0.0",
+		"is-ci": "^3.0.1",
+		"is-installed-globally": "^0.4.0",
+		"is-npm": "^6.0.0",
+		"is-yarn-global": "^0.4.0",
+		"latest-version": "^6.0.0",
+		"pupa": "^3.1.0",
+		"semver": "^7.3.7",
+		"semver-diff": "^4.0.0",
+		"xdg-basedir": "^5.1.0"
+	},
+	"devDependencies": {
+		"ava": "^4.3.0",
+		"clear-module": "^4.1.2",
+		"fixture-stdout": "^0.2.1",
+		"mock-require": "^3.0.3",
+		"strip-ansi": "^7.0.1",
+		"xo": "^0.50.0"
+	},
+	"ava": {
+		"timeout": "20s",
+		"serial": true
+	}
 }