问题：
npm WARN Local package.json exists, but node_modules missing, did you mean to install?
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] dev: `webpack-dev-server --inline --progress --config build/
onf.js`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging ou
npm WARN Local package.json exists, but node_modules missing, did you mean to install?
解决方案：
指定到当前目录，安装依赖
npm install