Fix homepage build

Author: CompuIves

packages/common/utils/analytics.js

@@ -1,10 +1,12 @@
 import VERSION from 'common/version';
 
-export const DNT = !!(
-  window.doNotTrack ||
-  window.navigator.doNotTrack ||
-  window.navigator.msDoNotTrack
-);
+export const DNT =
+  typeof window !== 'undefined' &&
+  !!(
+    window.doNotTrack ||
+    window.navigator.doNotTrack ||
+    window.navigator.msDoNotTrack
+  );
 
 export function identify(key, value) {
   try {

packages/homepage/babel.config.js

@@ -1,5 +1,6 @@
 module.exports = {
   presets: [
+    '@babel/preset-env',
     '@babel/preset-flow',
     [
       'babel-preset-gatsby',
@@ -10,4 +11,11 @@ module.exports = {
       },
     ],
   ],
+
+  overrides: [
+    {
+      test: '../common',
+      presets: ['@babel/preset-env'],
+    },
+  ],
 };

packages/homepage/gatsby-node.js

@@ -179,7 +179,7 @@ exports.onCreateWebpackConfig = ({
 
       test: /\.jsx?$/,
 
-      // Exclude all node_modules from transpilation, except for 'swiper' and 'dom7'
+      // Exclude all node_modules from transpilation, except for 'common' and 'app'
       exclude: modulePath =>
         /node_modules/.test(modulePath) &&
         !/node_modules\/(common|app)/.test(modulePath),