build报错

[kooljazz]

$ npm run build 报错

ERROR in build.js from UglifyJs
SyntaxError: Unexpected token: operator (>) [build.js:8370,30]

npm ERR! Windows_NT 10.0.14393
npm ERR! argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "run" "build"
npm ERR! node v7.0.0
npm ERR! npm v3.10.8
npm ERR! code ELIFECYCLE
npm ERR! [email protected] build: cross-env NODE_ENV=production webpack --progress --hide-modules
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the [email protected] build script 'cross-env NODE_ENV=production webpack --progress --hide-modules'.
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 demo2 package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR! cross-env NODE_ENV=production webpack --progress --hide-modules
npm ERR! You can get information on how to open an issue for this project with:
npm ERR! npm bugs demo2
npm ERR! Or if that isn't available, you can get their info via:
npm ERR! npm owner ls demo2
npm ERR! There is likely additional logging output above.

[jamielhf]

这个因为没有.babelrc的原因，所以es6会没编译，build的时候压缩会解析不了