following code pattern

Author: Marcos Andrei Ivanechtchuk

dist/cep-promise-browser.js

@@ -359,15 +359,15 @@ function throwApplicationError$2(error) {
 }
 
 function isBrowser() {
-  return (typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== undefined;
+  return typeof window !== 'undefined';
 }
 
 function isHttps() {
-  return location && location.protocol === 'https:';
+  return typeof location !== 'undefined' && location.protocol === 'https:';
 }
 
 function shouldUseProxy() {
-  return isBrowser && !isHttps();
+  return isBrowser() && !isHttps();
 }
 
 /* istanbul ignore next */

dist/cep-promise-browser.min.js

@@ -284,15 +284,15 @@ function throwApplicationError$2(error) {
 }
 
 function isBrowser() {
-  return (typeof window === 'undefined' ? 'undefined' : _typeof(window)) !== undefined;
+  return typeof window !== 'undefined';
 }
 
 function isHttps() {
-  return location && location.protocol === 'https:';
+  return typeof location !== 'undefined' && location.protocol === 'https:';
 }
 
 function shouldUseProxy() {
-  return isBrowser && !isHttps();
+  return isBrowser() && !isHttps();
 }
 
 /* istanbul ignore next */