README.md

@@ -4,7 +4,6 @@
 [![npm version](https://badge.fury.io/js/browser-or-node.svg)](https://www.npmjs.com/package/browser-or-node)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 
-
 Check whether the code is running in the browser or node.js runtime.
 
 ## Install
@@ -16,8 +15,9 @@ $ npm install --save browser-or-node
 ## Usage
 
 ES6 style import
+
 ```js
-import { isBrowser, isNode } from 'browser-or-node';
+import { isBrowser, isNode, isWebWorker, isJsDom } from "browser-or-node";
 
 if (isBrowser) {
   // do browser only stuff
@@ -27,10 +27,19 @@ if (isNode) {
   // do node.js only stuff
 }
 
+if (isWebWorker) {
+  // do web worker only stuff
+}
+
+if (isJsDom) {
+  // do jsdom only stuff
+}
 ```
+
 ES5 style import
+
 ```js
-var jsEnv = require('browser-or-node');
+var jsEnv = require("browser-or-node");
 
 if (jsEnv.isBrowser) {
   // do browser only stuff
@@ -40,6 +49,13 @@ if (jsEnv.isNode) {
   // do node.js only stuff
 }
 
+if (jsEnv.isWebWorker) {
+  // do web worker only stuff
+}
+
+if (jsEnv.isJsDom) {
+  // do jsdom only stuff
+}
 ```
 
 ## License

package.json

@@ -1,6 +1,6 @@
 {
   "name": "browser-or-node",
-  "version": "1.2.1",
+  "version": "1.3.0",
   "description": "Check where the code is running in the browser or node.js",
   "main": "./lib/index.js",
   "scripts": {
@@ -10,7 +10,7 @@
     "test:watch": "npm test -- --watch",
     "test:examples": "node examples/",
     "cover": "cross-env BABEL_ENV=commonjs istanbul cover node_modules/mocha/bin/_mocha -- --require babel-core/register --recursive",
-    "lint": "eslint src test",
+    "lint": "eslint src",
     "build": "cross-env BABEL_ENV=commonjs babel src --out-dir lib",
     "prepublish": "npm run clean && npm run lint && npm run test && npm run build"
   },
@@ -42,19 +42,19 @@
   "devDependencies": {
     "babel": "^6.23.0",
     "babel-cli": "^6.26.0",
-    "babel-eslint": "^8.2.1",
-    "babel-plugin-add-module-exports": "^0.2.1",
+    "babel-eslint": "^10.1.0",
+    "babel-plugin-add-module-exports": "^1.0.2",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-stage-2": "^6.24.1",
-    "chai": "^4.1.2",
-    "cross-env": "^5.1.3",
-    "eslint": "^4.16.0",
-    "eslint-config-airbnb": "^16.1.0",
-    "eslint-plugin-import": "^2.7.0",
-    "eslint-plugin-jsx-a11y": "^6.0.2",
-    "eslint-plugin-react": "^7.4.0",
+    "chai": "^4.2.0",
+    "cross-env": "^7.0.2",
+    "eslint": "^7.3.1",
+    "eslint-config-airbnb": "^18.2.0",
+    "eslint-plugin-import": "^2.21.2",
+    "eslint-plugin-jsx-a11y": "^6.3.1",
+    "eslint-plugin-react": "^7.20.0",
     "istanbul": "^1.0.0-alpha",
-    "mocha": "^5.0.0",
-    "rimraf": "^2.6.2"
+    "mocha": "^8.0.1",
+    "rimraf": "^3.0.2"
   }
 }

src/index.js

@@ -3,19 +3,24 @@
 const isBrowser = typeof window !== 'undefined' && typeof window.document !== 'undefined';
 
 /* eslint-disable no-restricted-globals */
-const isWebWorker =
-  typeof self === 'object' &&
-  self.constructor &&
-  self.constructor.name === 'DedicatedWorkerGlobalScope';
+const isWebWorker = typeof self === 'object'
+  && self.constructor
+  && self.constructor.name === 'DedicatedWorkerGlobalScope';
 /* eslint-enable no-restricted-globals */
 
-const isNode =
-  typeof process !== 'undefined' &&
-  process.versions != null &&
-  process.versions.node != null;
+const isNode = typeof process !== 'undefined'
+  && process.versions != null
+  && process.versions.node != null;
+
+/**
+ * @see https://github.com/jsdom/jsdom/releases/tag/12.0.0
+ * @see https://github.com/jsdom/jsdom/issues/1537
+ */
+/* eslint-disable no-undef */
+const isJsDom = () => (typeof window !== 'undefined' && window.name === 'nodejs')
+  || navigator.userAgent.includes('Node.js')
+  || navigator.userAgent.includes('jsdom');
 
 export {
-  isBrowser,
-  isWebWorker,
-  isNode
+  isBrowser, isWebWorker, isNode, isJsDom
 };