const path = require("path");
const defaultSettings = require("./src/settings.js");

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

const name = defaultSettings.title || "vue Admin Template"; // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
const port = process.env.port || process.env.npm_config_port || 9529; // dev port

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */

  runtimeCompiler: true,
  publicPath: "./",
  outputDir: "dist",
  assetsDir: "static",
  // lintOnSave: process.env.NODE_ENV === 'development',
  lintOnSave: false,
  productionSourceMap: false,
  devServer: {
    port,
    open: true,
    overlay: {
      warnings: false,
      errors: false,
    },
    proxy: {
      "/businessapi": {
        // target: 'http://192.168.0.91:9104',
        target: "https://nsbusinessapitest.tuanfengkeji.cn",
        // target: 'https://nsbusinessapi.tuanfengkeji.cn',
        changeOrigin: true,
        pathRewrite: {
          "^/businessapi": "",
        },
      },
      "/canvasApi": {
        // target: 'http://192.168.0.91:9104', // 测试
        target: "https://nsbusinessapitest.tuanfengkeji.cn",
        // target: 'https://nsbusinessapi.tuanfengkeji.cn',
        changeOrigin: true,
        pathRewrite: {
          "^/canvasApi": "",
        },
      },
    },
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name,
    resolve: {
      alias: {
        "@": resolve("src"),
        "@@": resolve("canvas-container"),
      },
    },
  },
  // 配置全局样式变量
  css: {
    loaderOptions: {
      sass: {
        prependData: `@import "canvas-container/styles/index.scss";`,
      },
    },
  },
  // 配置多页面入口
  pages: {
    index: {
      entry: "src/main.js",
      template: "public/index.html",
      filename: "index.html",
      chunks: [
        "chunk-elementUI",
        "chunk-vendors",
        "chunk-libs",
        "runtime",
        "index",
      ],
    },
    canvas: {
      entry: "canvas-container/main.js",
      template: "public/canvas.html",
      filename: "canvas.html",
      chunks: [
        "chunk-elementUI",
        "chunk-vendors",
        "chunk-libs",
        "runtime",
        "canvas",
      ],
    },
  },
  chainWebpack(config) {
    // it can improve the speed of the first screen, it is recommended to turn on preload
    // config.plugin('preload').tap(() => [
    //   {
    //     rel: 'preload',
    //     // to ignore runtime.js
    //     // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
    //     fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
    //     include: 'initial'
    //   }
    // ])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete("prefetch");

    // 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();

    config.when(process.env.NODE_ENV !== "development", (config) => {
      config
        .plugin("ScriptExtHtmlWebpackPlugin")
        .after("html")
        .use("script-ext-html-webpack-plugin", [
          {
            // `runtime` must same as runtimeChunk name. default is `runtime`
            inline: /runtime\..*\.js$/,
          },
        ])
        .end();
      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: true,
          },
        },
      });
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk("single");
    });
  },
};