Not able to "npm start" with Node 6 (FYI)

[flkern]

At first, thanks for this create project setup!

FYI: I'm not able to start the application by using Node 6 (Workaround: Downgrade to Node 5)
-> Yes, you also using Node 5

npm version
{ testapp: '1.0.0',
npm: '3.9.3',
ares: '1.10.1-DEV',
http_parser: '2.7.0',
icu: '57.1',
modules: '48',
node: '6.2.1',
openssl: '1.0.2h',
uv: '1.9.1',
v8: '5.0.71.52',
zlib: '1.2.8' }

Error:

---

npm start

testapp@1.0.0 start /Users//Documents/workspace/testapp
if-env NODE_ENV=production && npm run react-project:start:prod || npm run react-project:start:dev

testapp@1.0.0 react-project:start:dev /Users//Documents/workspace/testapp
eslint modules && react-project start

[react-project] [start] task
[react-project] checking app dependencies
[react-project] NODE_ENV=development
/Users//Documents/workspace/testapp/node_modules/react-project/lib/build.js:53
if (err) throw err;
^

TypeError: Path must be a string. Received undefined
at assertPath (path.js:7:11)
at Object.dirname (path.js:1326:5)
at /Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:374:36
at /Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:396:22
at Array.map (native)
at OptionManager.resolvePresets (/Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:385:20)
at OptionManager.mergePresets (/Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:369:10)
at OptionManager.mergeOptions (/Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:328:14)
at /Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:370:14
at /Users//Documents/workspace/testapp/node_modules/babel-core/lib/transformation/file/options/option-manager.js:390:24

npm ERR! Darwin 15.6.0
npm ERR! argv "/usr/local/Cellar/node/6.2.1/bin/node" "/usr/local/bin/npm" "run" "react-project:start:dev"
npm ERR! node v6.2.1
npm ERR! npm v3.9.3
npm ERR! code ELIFECYCLE
npm ERR! testapp@1.0.0 react-project:start:dev: eslint modules && react-project start
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the testapp@1.0.0 react-project:start:dev script 'eslint modules && react-project start'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the testapp package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! eslint modules && react-project start
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs testapp
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls testapp
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /Users//Documents/workspace/testapp/npm-debug.log

npm ERR! Darwin 15.6.0
npm ERR! argv "/usr/local/Cellar/node/6.2.1/bin/node" "/usr/local/bin/npm" "start"
npm ERR! node v6.2.1
npm ERR! npm v3.9.3
npm ERR! code ELIFECYCLE
npm ERR! testapp@1.0.0 start: if-env NODE_ENV=production && npm run react-project:start:prod || npm run react-project:start:dev
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the testapp@1.0.0 start script 'if-env NODE_ENV=production && npm run react-project:start:prod || npm run react-project:start:dev'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the testapp package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! if-env NODE_ENV=production && npm run react-project:start:prod || npm run react-project:start:dev
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs testapp
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls testapp
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR! /Users//Documents/workspace/testapp/npm-debug.log

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