Merge pull request #13 from rocjs/fix/make-sure-universal-config-is-es5

fix(roc-package-web-app-react): Use ES5 for universal-config

packages/roc-package-web-app-react/src/app/shared/universal-config.js

@@ -1,25 +1,32 @@
 /* globals window */
- /**
- * Universal Configuration Manager
- *
- * Manages both __application__ configuration and __Roc__ configuration.
- * On the server the configurations will be fetched directly and on the client it's expected that the configuration
- * is available on `window` as `ROC_CONFIG` and `APP_CONFIG`.
- *
- * appConfig will only contain what has been selected by `runtime.configWhitelistProperty`. That means if you want
- * to read the full configuration on the server you will need to read it directly from node-config.
- */
+/* eslint-disable no-var, import/no-mutable-exports */
 
-export const rocConfig = (function getRocConfig() {
+/**
+* Universal Configuration Manager
+*
+* Manages both __application__ configuration and __Roc__ configuration.
+* On the server the configurations will be fetched directly and on the client it's expected that the configuration
+* is available on `window` as `ROC_CONFIG` and `APP_CONFIG`.
+*
+* appConfig will only contain what has been selected by `runtime.configWhitelistProperty`. That means if you want
+* to read the full configuration on the server you will need to read it directly from node-config.
+*/
+
+/**
+* Important to use "var" here over "const" since this might run in PhantomJS
+* that does not support them, basically this needs to be ES5.
+*/
+
+export var rocConfig = (function getRocConfig() {
     return typeof window !== 'undefined' ? window.ROC_CONFIG : require('roc').getSettings(); // eslint-disable-line
 }());
 
-const whiteListed = () => (
+var whiteListed = () => (
     rocConfig.runtime.configWhitelistProperty ?
         require('config')[rocConfig.runtime.configWhitelistProperty] : // eslint-disable-line
         undefined
 );
 
-export const appConfig = (function getAppConfig() {
+export var appConfig = (function getAppConfig() {
     return typeof window !== 'undefined' ? window.APP_CONFIG : whiteListed();
 }());