const path = require('path')
const webpack = require('webpack')

const minify = process.env.NODE_ENV === 'development' ? false : {
  collapseWhitespace: true,
  removeComments: true,
  removeRedundantAttributes: true,
  removeScriptTypeAttributes: true,
  removeStyleLinkTypeAttributes: true,
  useShortDoctype: true,
  minifyCSS: true,
  minifyJS: true
}

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

module.exports = {
  publicPath: '/',
  pages: {
    index: {
      entry: 'src/views/index/main.js',
      template: 'public/index.html',
      filename: 'index.html',
      chunks: ['chunk-vendors', 'chunk-common', 'index'],
      minify
    },
    preview: {
      entry: 'src/views/preview/main.js',
      template: 'public/preview.html',
      filename: 'preview.html',
      chunks: ['chunk-vendors', 'chunk-common', 'preview'],
      minify
    }
  },
  devServer: {
    overlay: false
  },
  productionSourceMap: false,
  configureWebpack: {
    plugins: [

    ],
    externals: {
      vue: 'Vue'
    }
  },
  chainWebpack(config) {
    config.resolve.alias
      .set('@$', resolve('src'))
    const svgRule = config.module.rule('svg')
    svgRule.uses.clear()
    svgRule
      .oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      })
  }
}