Change the version + refactor isBrowser

Author: Artem

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@foxcomm/api-js",
-  "version": "1.2.3",
+  "version": "1.2.4",
   "description": "Javascript Library for interacting with FoxCommerce API",
   "main": "lib/index.js",
   "publishConfig": {

src/index.js

@@ -50,7 +50,7 @@ export default class Api {
     // add the stripe.js script if in the browser
     let stripeLoaded = Promise.resolve();
 
-    if (isBrowser()) {
+    if (isBrowser) {
       stripeLoaded = loadScript('https://js.stripe.com/v2/').then(() => {
         Stripe.setPublishableKey(this.stripe_key);
       });

src/utils/browser.js

@@ -1,12 +1,6 @@
 import _ from 'lodash';
 
-export function isBrowser() {
-  try {
-    return window;
-  } catch (e) {
-    return false;
-  }
-}
+export const isBrowser = typeof window != 'undefined';
 
 function scriptExists(path) {
   const scripts = document.getElementsByTagName('script');