'use strict';
const path = require('path');
const defaultSettings = require('./src/settings.js');

function resolve(dir) {
  return path.join(__dirname, dir)
}
const name = defaultSettings.title || '歌莉娅海外订单中心（FOMS）';// 标题
const port = process.env.port || process.env.npm_config_port || 9527; // 开发接口

// 所有配置项描述 查看： https://cli.vuejs.org/config/
module.exports = {
  publicPath: './', // 基本路径
  outputDir: 'dist', // 输出文件目录
  assetsDir: 'static',// 放置生成的静态资源 (js、css、img、fonts) 的 (相对于 outputDir 的) 目录。
  // 指定生成的 index.html 的输出路径 (相对于 outputDir)。也可以是一个绝对路径
  // indexPath: './',
  lintOnSave: process.env.NODE_ENV === 'production',// lintOnSave: eslint-loader 是否在保存的时候检查
  productionSourceMap: false, // 生产环境是否生成 sourceMap 文件
  devServer: {
    port: port,
    host: 'swings.pim.com',
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    public: '0.0.0.0:9527', //可以实现热部署
    proxy: {
      [process.env.VUE_APP_OAUTH_API]: {
        target: `http://localhost:19090/sso` ,
        changeOrigin: true,
        // logLevel: 'debug', //打印日志
        pathRewrite: {
          ['^' + process.env.VUE_APP_OAUTH_API]: ''
        }
      },
      [process.env.VUE_APP_PIM_API]: {
        target: `http://localhost:18080/pim`,
        changeOrigin: true,
        // logLevel: 'debug', //打印日志
        pathRewrite: {
          ['^' + process.env.VUE_APP_PIM_API]: ''
        }
      },
      [process.env.VUE_APP_OMS_API]: {
        target: `http://localhost:18081/oms`,
        changeOrigin: true,
        // logLevel: 'debug', //打印日志
        pathRewrite: {
          ['^' + process.env.VUE_APP_OMS_API]: ''
        }
      }
    }
  },
  // webpack配置
  configureWebpack: {
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
  	// 删除预加载
    config.plugins.delete('preload');// TODO: need test
    config.plugins.delete('prefetch');// TODO: need test

    // 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();

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end();

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      );

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {//非开发环境
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
            // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end();

          // 分割代码
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: false
                }
              }
            });
          config.optimization.runtimeChunk('single')
        }
      )
  }
};