Added isDeno

Author: Onyxzen

.eslintignore

@@ -1,2 +1,2 @@
 test
-browser-test
+browser-test

.eslintrc

@@ -4,7 +4,7 @@
   "env": {
     "mocha": true
   },
-  rules: {
+  "rules": {
     "comma-dangle": ["error", "only-multiline"]
   }
 }

README.md

@@ -17,7 +17,7 @@ $ npm install --save browser-or-node
 ES6 style import
 
 ```js
-import { isBrowser, isNode, isWebWorker, isJsDom } from "browser-or-node";
+import { isBrowser, isNode, isWebWorker, isJsDom, isDeno } from "browser-or-node";
 
 if (isBrowser) {
   // do browser only stuff
@@ -34,6 +34,10 @@ if (isWebWorker) {
 if (isJsDom) {
   // do jsdom only stuff
 }
+
+if (isDeno) {
+  // do deno only stuff
+}
 ```
 
 ES5 style import
@@ -56,8 +60,12 @@ if (jsEnv.isWebWorker) {
 if (jsEnv.isJsDom) {
   // do jsdom only stuff
 }
+
+if (jsEnv.isDeno) {
+  // do deno only stuff
+}
 ```
 
 ## License
 
-MIT © Dineshkumar Pandiyan
+MIT © Dineshkumar Pandiyan

browser-test/index.js

@@ -15,7 +15,8 @@ if (window.Worker) {
 	const myWorker = new Worker("worker.js");
 
 	myWorker.onmessage = function(e) {
-		let res = e.data;
+		const _res = e.data;
+		
 		console.log('Web worker reports:');
 		console.log('  isBrowser: ' + e.data[0]);
 		console.log('  isWebWorker: ' + e.data[1]);

browser-test/server.js

@@ -6,11 +6,11 @@ const app = express();
 // app.use(express.static(path.join(__dirname, 'public')));
 // app.use('/static', express.static(path.join(__dirname, 'public')));
 
-app.get('/', function(req, res) {
+app.get('/', function(_req, res) {
     res.sendFile(path.join(__dirname + '/index.html'));
 });
 
-app.get('/worker.js', function(req, res) {
+app.get('/worker.js', function(_req, res) {
     res.sendFile(path.join(__dirname + '/worker.js'));
 });
 
@@ -19,11 +19,11 @@ app.get('/worker.js', function(req, res) {
     res.sendFile(path.join(__dirname + '../../src/index.js'));
 });
 */
-app.get('/index.js', function(req, res) {
+app.get('/index.js', function(_req, res) {
     res.sendFile(path.join(__dirname + '/index.js'));
 });
 
-app.get('/browser-or-node.js', function(req, res) {
+app.get('/browser-or-node.js', function(_req, res) {
     res.sendFile(path.join(__dirname + '../../src/index.js'));
 });
 

browser-test/worker.js

@@ -18,6 +18,6 @@ const isNode =
   process.versions != null &&
   process.versions.node != null;
 
-onmessage = function(e) {
+onmessage = function(_e) {
   postMessage( [isBrowser, isWebWorker, isNode] );
 }

src/index.js

@@ -17,10 +17,12 @@ const isNode = typeof process !== 'undefined'
  * @see https://github.com/jsdom/jsdom/issues/1537
  */
 /* eslint-disable no-undef */
-const isJsDom = () => (typeof window !== 'undefined' && window.name === 'nodejs')
+const isJsDom = (() => (typeof window !== 'undefined' && window.name === 'nodejs')
   || navigator.userAgent.includes('Node.js')
-  || navigator.userAgent.includes('jsdom');
+  || navigator.userAgent.includes('jsdom'))();
+
+const isDeno = typeof Deno !== 'undefined' && typeof Deno.core !== 'undefined';
 
 export {
-  isBrowser, isWebWorker, isNode, isJsDom
-};
+  isBrowser, isWebWorker, isNode, isJsDom, isDeno
+};

test/index.js

@@ -1,10 +1,13 @@
 import { assert } from 'chai';
-import { isBrowser, isWebBrowser, isNode } from '../src';
+import { isBrowser, isWebBrowser, isNode, isDeno, isJsDom } from '../src';
 
-console.log(isNode);
+console.log('Browser?', isBrowser);
+console.log('Node?', isNode);
+console.log('Web browser?', isWebBrowser);
+console.log('JS Dom?', isJsDom);
+console.log('Deno?', isDeno);
 
 describe('Browser or Node.js', () => {
-
   it('should check node env', () => {
     assert(isNode === true, 'isNode didn\'t work :(');
   });
@@ -17,5 +20,4 @@ describe('Browser or Node.js', () => {
   it('should check web worker env', () => {
     assert(isNode === true, 'isWebWorker didn\'t work :(');
   });
-
-});
+});

test/index.ts

@@ -0,0 +1,5 @@
+// Special check for isDeno
+// Run with `deno run test/index.ts`
+import { isDeno } from '../src/index.js';
+
+console.log(isDeno);