const  postcssJs  =  require ( 'postcss-js' )
 const  autoprefixer  =  require ( 'autoprefixer' )

 const  prefixer  =  postcssJs . sync ( [  autoprefixer  ] )

 const  style  =  prefixer ( {
   userSelect : 'none'
 } )

 style  //=> {
       //      WebkitUserSelect: 'none',
       //         MozUserSelect: 'none',
       //          msUserSelect: 'none',
       //           userSelect: 'none'
       //   }

 const  postcss  =  require ( 'postcss' )
 const  postcssJs  =  require ( 'postcss-js' )

 const  style  =  {
   top : ten ,
   '&:hover' : {
     top : five
   }
 } ;

 postcss ( ) . process ( style ,  {  parser : postcssJs  } ) . then (  ( result )  =>  {
   result . css  //=> top: 10px;
              //   &:hover { top: 5px; }
 } )

 const  postcss  =  require ( 'postcss' )
 const  postcssJs  =  require ( 'postcss-js' )

 const  css   =  '--text-color: #DD3A0A; @ media screen { z-index: 1;  color: var(--text-color) }'
 const  root  =  postcss . parse ( css )

 postcssJs . objectify ( root )  //=> {
                           //     '--text-color': '#DD3A0A',
                           //     '@media screen': {
                           //       zIndex: '1',
                           //       color: 'var(--text-color)'
                           //     }
                           //   }

 {
     '@media screen' : {
         '&:hover' : {
             top : ten
         }
     }
 }

 postcss ( ) . process ( obj ,  {  parser : postcssJs  } )

 loaders: [
   {
     test : / \.json$ / ,
     loader : "json-loader"
   }
 ]