text: var path = require('path')
  var config = require('../config')
  var ExtractTextPlugin = require('extract-text-webpack-plugin')
  
  exports.assetsPath = function (_path) {
    if (process.env.NODE_ENV === 'demo') {
      return path.posix.join(config.demo.assetsSubDirectory, _path)
    } else {
      return path.posix.join(config.build.assetsSubDirectory, _path)
    }
  }
  
  exports.cssLoaders = function (options) {
    options = options || {}
    // generate loader string to be used with extract text plugin
    function generateLoaders (loaders) {
      var sourceLoader = loaders.map(function (loader) {
        var extraParamChar
        if (/\?/.test(loader)) {
          loader = loader.replace(/\?/, '-loader?')
          extraParamChar = '&'
        } else {
          loader = loader + '-loader'
          extraParamChar = '?'
        }
        return loader + (options.sourceMap ? extraParamChar + 'sourceMap' : '')
      }).join('!')
  
      if (options.extract) {
        return ExtractTextPlugin.extract('vue-style-loader', sourceLoader)
      } else {
        return ['vue-style-loader', sourceLoader].join('!')
      }
    }
  
    // http://vuejs.github.io/vue-loader/configurations/extract-css.html
    return {
      css: generateLoaders(['css']),
      postcss: generateLoaders(['css']),
      less: generateLoaders(['css', 'less']),
      sass: generateLoaders(['css', 'sass?indentedSyntax']),
      scss: generateLoaders(['css', 'sass']),
      stylus: generateLoaders(['css', 'stylus']),
      styl: generateLoaders(['css', 'stylus'])
    }
  }
  
  // Generate loaders for standalone style files (outside of .vue)
  exports.styleLoaders = function (options) {
    var output = []
    var loaders = exports.cssLoaders(options)
    for (var extension in loaders) {
      var loader = loaders[extension]
      output.push({
        test: new RegExp('\\.' + extension + '$'),
        loader: loader
      })
    }
    return output
  }
  