webpack以及loader 加载命令

module.exports={
entry:'./main/main.js',
output:{
path:'./build',
filename:'bundle.js'

},
module:{
loaders: [
{test: /\.coffee$/, loader: 'coffee--loader'},
{test: /\.less$/, loader: 'style-loader!css-loader!less-loader'}, // use ! to chain loaders
{test: /\.css$/, loader: 'style-loader!css-loader'},
{test: /\.(png|jpg)$/, loader: 'url-loader?limit=8192'} // i
]
}
,
resolve:{

extensions:["",".js",".json","coffee"]

}

};

$ npm install style-loader css-loader url-loader babel-loader sass-loader file-loader --save-dev