npm工具之skeleton

   {
      loader: ‘skeleton-loader‘,
       options: {
         procedure: function (content) {
          const fileName = `${this._module.userRequest}.json` //本地文件路径解析成json格式
          const classNames = fs.readFileSync(fileName, ‘utf8‘) //异步解析文件
          trash(fileName) //从内存中移出去
          return [‘module.exports = {‘,
            ‘classNames: ‘ + classNames + ‘,‘,
            ‘stylesheet: ‘ + "‘" + content + "‘",
                ‘}‘
             ].join(‘‘)  //为css文件添加对象，定义classNames为所有class名，stylesheet为所有css内容
           }
         }
      }