var path = require('path') var config = require('./config') var ExtractTextPlugin = require('extract-text-webpack-plugin')

exports.assetsPath = function (_path) {

var assetsSubDirectory = process.env.NODE_ENV === 'production'
  ? config.build.assetsSubDirectory
  : config.dev.assetsSubDirectory
return path.posix.join(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('!')

  // Extract CSS when that option is specified
  // (which is the case during production build)
  if (options.extract) {
    return ExtractTextPlugin.extract('vue-style-loader', sourceLoader)
  } else {
    return ['vue-style-loader', sourceLoader].join('!')
  }
}

// http://vuejs.github.io/vue-loader/en/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

}