code: function postcssLoaderOptions(options) {
  
    const DefaultPostcssLoaderOptions = {
      sourceMap: 'inline',
      plugins: true
    }
  
    return {
      loader: 'postcss-loader',
      query: Object.assign({}, DefaultPostcssLoaderOptions, options)
    }
  }
docs: PostcssLoader
  
  option.parser: String? = undefined
  option.plugins: () => Array<any> = () => []
  option.sourceMap: Boolean = false
  
  @link [postcss](https://github.com/postcss/postcss)
  @link [postcss-loader](https://github.com/postcss/postcss-loader)
  @link [postcss api](http://api.postcss.org/)
  @link [lostgrid](https://github.com/peterramsing/lost)