npm run build is failing about preact-boilerplate HOT 7 CLOSED

KuldeepMac:~ kuldeepkeshwar$ node -v
v6.9.1
KuldeepMac:~ kuldeepkeshwar$ npm -v 
3.10.8
KuldeepMac:~ kuldeepkeshwar$ 

> cross-env NODE_ENV=development webpack-dev-server --inline --hot --progress

/Users/XXX/projects/XXX/webpack.config.babel.js:1
(function (exports, require, module, __filename, __dirname) { import webpack from 'webpack';
                                                              ^^^^^^
SyntaxError: Unexpected token import
    at Object.exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:513:28)
    at loader (/Users/XXX/projects/XXX/node_modules/babel-register/lib/node.js:144:5)
    at Object.require.extensions.(anonymous function) [as .js] (/Users/XXX/projects/XXX/node_modules/babel-register/lib/node.js:154:7)
    at Module.load (module.js:458:32)
    at tryModuleLoad (module.js:417:12)
    at Function.Module._load (module.js:409:3)
    at Module.require (module.js:468:17)
    at require (internal/module.js:20:19)
    at module.exports (/Users/XXX/projects/XXX/node_modules/webpack/bin/convert-argv.js:80:13)

npm ERR! Darwin 14.5.0
npm ERR! argv "/usr/local/bin/node" "/usr/local/bin/npm" "run" "dev"
npm ERR! node v6.2.1
npm ERR! npm  v4.0.3
npm ERR! code ELIFECYCLE
npm ERR! [email protected] dev: `cross-env NODE_ENV=development webpack-dev-server --inline --hot --progress`
npm ERR! Exit status 1
npm ERR! 
npm ERR! Failed at the [email protected] dev script 'cross-env NODE_ENV=development webpack-dev-server --inline --hot --progress'.
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 preact-boilerplate package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     cross-env NODE_ENV=development webpack-dev-server --inline --hot --progress
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs preact-boilerplate
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls preact-boilerplate
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request: