var path = require('path')
var config = require('../config')
var vueLoaderConfig = require('./vue-loader.conf')
var utils = require('./utils')
var webpack = require('webpack')
var version = require('../package.json').version
var anchor = require('markdown-it-anchor-cube')

function resolve (dir) {
  return path.join(__dirname, '..', dir)
}

const allSource = [resolve('src'), resolve('example'), resolve('test'), resolve('document')]

module.exports = {
  output: {
    path: config.build.assetsRoot,
    publicPath: process.env.NODE_ENV === 'production' ? config.build.assetsPublicPath : config.dev.assetsPublicPath,
    filename: '[name].js',
    chunkFilename: '[name].js'
  },
  resolve: {
    extensions: ['.js', '.vue', '.json'],
    alias: {
      'vue2': 'vue/dist/vue.esm.js',
      '@': resolve('src'),
      'example': resolve('example')
    }
  },
  module: {
    rules: [
      {
        test: /\.(js|vue)$/,
        loader: 'eslint-loader',
        enforce: 'pre',
        include: allSource,
        options: {
          formatter: require('eslint-friendly-formatter')
        }
      },
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: vueLoaderConfig
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        include: allSource.concat(resolve('node_modules/lodash-es'))
      },
      {
        test: /\.(png|jpe?g|gif|svg)(\?.*)?$/,
        loader: 'url-loader',
        include: allSource,
        options: {
          limit: 10000,
          name: utils.assetsPath('img/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.(woff2?|eot|ttf|otf)(\?.*)?$/,
        loader: 'url-loader',
        include: allSource,
        options: {
          limit: 10000,
          name: utils.assetsPath('fonts/[name].[hash:7].[ext]')
        }
      },
      {
        test: /\.md$/,
        include: resolve('document'),
        loader: 'vue-markdown-loader',
        options: {
          preventExtract: true,
          use: [
            [ anchor, {
              permalink: true,
              permalinkSymbol: '<svg aria-hidden="true" class="" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg>',
              permalinkBefore: true,
              permalinkClass: 'anchor'
            }]
          ]
        }
      }
    ]
  },
  plugins: [
    new webpack.DefinePlugin({
      __VERSION__: JSON.stringify(version)
    })
  ]
}
