diff --git a/src/code_manager/model/CodeMirrorEditor.js b/src/code_manager/model/CodeMirrorEditor.js
index 808f205ff..6ecd89b3c 100644
--- a/src/code_manager/model/CodeMirrorEditor.js
+++ b/src/code_manager/model/CodeMirrorEditor.js
@@ -1,9 +1,15 @@
 import { bindAll } from 'underscore';
 import Backbone from 'backbone';
-import CodeMirror from 'codemirror/lib/codemirror';
-import 'codemirror/mode/htmlmixed/htmlmixed';
-import 'codemirror/mode/css/css';
-import 'codemirror-formatting';
+import { hasWin } from 'utils/mixins';
+
+let CodeMirror;
+
+if (hasWin()) {
+  CodeMirror = require('codemirror/lib/codemirror');
+  require('codemirror/mode/htmlmixed/htmlmixed');
+  require('codemirror/mode/css/css');
+  require('codemirror-formatting');
+}
 
 export default Backbone.Model.extend({
   CodeMirror,
diff --git a/src/css_composer/model/CssRule.js b/src/css_composer/model/CssRule.js
index 58a76ff60..1607dad77 100644
--- a/src/css_composer/model/CssRule.js
+++ b/src/css_composer/model/CssRule.js
@@ -3,9 +3,9 @@ import { Model } from 'backbone';
 import Styleable from 'domain_abstract/model/Styleable';
 import { isEmpty, forEach, isString } from 'underscore';
 import Selectors from 'selector_manager/model/Selectors';
-import { isEmptyObj } from 'utils/mixins';
+import { isEmptyObj, hasWin } from 'utils/mixins';
 
-const { CSS } = window;
+const { CSS } = hasWin() ? window : {};
 
 export default class CssRule extends Model.extend(Styleable) {
   defaults() {
diff --git a/src/keymaps/index.js b/src/keymaps/index.js
index 5c30b77d2..7528b17d9 100644
--- a/src/keymaps/index.js
+++ b/src/keymaps/index.js
@@ -32,7 +32,10 @@
  */
 
 import { isString } from 'underscore';
-import keymaster from 'keymaster';
+import { hasWin } from 'utils/mixins';
+import keymaster from 'utils/keymaster';
+
+hasWin() && keymaster.init(window);
 
 export default () => {
   let em;
diff --git a/src/utils/ColorPicker.js b/src/utils/ColorPicker.js
index 62d8ef097..bdbc9c484 100644
--- a/src/utils/ColorPicker.js
+++ b/src/utils/ColorPicker.js
@@ -4,9 +4,11 @@
 // https://github.com/bgrins/spectrum
 // Author: Brian Grinstead
 // License: MIT
+import { hasWin } from 'utils/mixins';
 
 export default function($, undefined) {
   'use strict';
+  if (!hasWin()) return;
 
   var defaultOpts = {
       // Callbacks
diff --git a/src/utils/extender.js b/src/utils/extender.js
index 55991b2e9..7e4fcb777 100644
--- a/src/utils/extender.js
+++ b/src/utils/extender.js
@@ -1,7 +1,7 @@
 import { isObject, isString, each, isUndefined } from 'underscore';
 
 export default ({ $ }) => {
-  if ($ && $.prototype.constructor.name !== 'jQuery') {
+  if ($ && $.prototype && $.prototype.constructor.name !== 'jQuery') {
     const fn = $.fn;
 
     // Additional helpers
diff --git a/src/utils/fetch.js b/src/utils/fetch.js
index 8db987abb..951b369c1 100644
--- a/src/utils/fetch.js
+++ b/src/utils/fetch.js
@@ -1,8 +1,11 @@
 import Promise from 'promise-polyfill';
+import { hasWin } from 'utils/mixins';
 
-window.Promise = window.Promise || Promise;
+if (hasWin()) {
+  window.Promise = window.Promise || Promise;
+}
 
-export default (typeof fetch == 'function'
+export default typeof fetch == 'function'
   ? fetch.bind()
   : (url, options) => {
       return new Promise((res, rej) => {
@@ -30,4 +33,4 @@ export default (typeof fetch == 'function'
         // Include body only if present
         options.body ? req.send(options.body) : req.send();
       });
-    });
+    };
diff --git a/src/utils/mixins.js b/src/utils/mixins.js
index 6e1a9ff27..1730d1b8f 100644
--- a/src/utils/mixins.js
+++ b/src/utils/mixins.js
@@ -1,6 +1,8 @@
 import { keys, isUndefined, isElement, isArray } from 'underscore';
 
-const elProt = window.Element.prototype;
+export const hasWin = () => typeof window !== 'undefined';
+
+const elProt = hasWin() ? window.Element.prototype : {};
 const matches =
   elProt.matches ||
   elProt.webkitMatchesSelector ||
diff --git a/src/utils/polyfills.js b/src/utils/polyfills.js
index 9b6a6e179..928fe6ce8 100644
--- a/src/utils/polyfills.js
+++ b/src/utils/polyfills.js
@@ -2,6 +2,7 @@
  * File made for IE/Edge support
  * https://github.com/artf/grapesjs/issues/214
  */
+import { hasWin } from './mixins';
 
 export default () => {
   /**
@@ -27,7 +28,7 @@ export default () => {
     return !!match;
   };
 
-  if (isIE()) {
+  if (hasWin() && isIE()) {
     const originalCreateHTMLDocument =
       DOMImplementation.prototype.createHTMLDocument;
     DOMImplementation.prototype.createHTMLDocument = title => {