check node_env before export

Author: stomita

src/scripts/util.js

@@ -1,14 +1,16 @@
 import createUUID from 'uuid';
 
-let assetRoot = '/assets';
+export const uuid =
+  process.env.NODE_ENV === 'test' ?
+  () => '$uuid$' :
+  createUUID;
 
-export function uuid() {
-  return process.env.NODE_ENV === 'test' ? '$uuid$' : createUUID();
-}
+export const getToday =
+  process.env.NODE_ENV === 'test' ?
+  () => '2017-02-23' :
+  () => new Date().toISOString().substring(0, 10);
 
-export function getToday() {
-  return process.env.NODE_ENV === 'test' ? '2017-02-23' : new Date().toISOString().substring(0, 10);
-}
+let assetRoot = '/assets';
 
 export function setAssetRoot(path) {
   assetRoot = path;