vue.config.js

const path = require('path')

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: process.env.NODE_ENV === 'production' ? '/form-generator/' : '/',
  publicPath: process.env.NODE_ENV === 'production' ? '/' : './',
  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: {
    externals: {
      vue: 'Vue',
      'vue-router': 'VueRouter',
      'element-ui': 'ELEMENT'
    }
  },
  chainWebpack(config) {
    // set svg-sprite-loader
    config.module.rule('svg').exclude.add(resolve('src/icons')).end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()
  }
}